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SERVIC:E MANUAL 5907
LSR-1 LOW SPEED LOCOMOTIVE REGULATION SYSTEM
*********
OPERATION, INSTALLATION, AND MAINTENANCE INSTRUCTIONS
CONTENTS.
1-1. Introduction • ; • • • • • • • • • • . •· . • ~ 2-1. System Description • • • • • ; • • • • • . •• 2-2. Single and Multiple Locomotive Operations
A. Electronics Module • • • • B. Battery Field Amplifier C. Control Panel ••••• D. Bypass Switch • • •••• E. Tachometer Generator • F. ;Brake Pressure Switch. •
. 3-1. General System Operation • A. Automatic On-Board Operation B. Remote Control Operation ••
. C. Control Operating Functions • 4-1. Installation . • ••••• 5-1. System Maintenance ••• ! •••
5-2. System Troubleshooting ••••• 5-3. Parts List • • • • • • • • • • • • •
' . . . . .
. . . .
Page
1 3 ,3 7 8
10 11 11 11 11 15 15 .
A. Battery Field Amplifier ( High Power) • • • • • •
15 16 17 17 20.-20 22 24 26
B. Battery Field Amplifier ( Low Power) •••• C. Control Panel. ••• D. Electronics Module. ·• • • • • • • • • ·•
November, 19 7 4 A-74~250-1476.4
. . .
WESTINGHOUSE AIR BRAKE COMPANY SIGNAL & COMMUNICATIONS DIVISION Swissvale. Post Office, Pittsburgh, Pa. 15218
An American-Standard Company
· .. ·;. :'.
SECTION I
1-1. INTRODUCTION
This ~anuai provid~s 4ifqrmation for the Operation, Installation, and Main-. tenance pro~edure,s for the WAlJiCO Locomotive Low Speed Regulation System. This
system can be applied-to the electrical controls of most .standard American m~ diesel-el_ectric lOQomoti:v~s. -System components are de:signed for single unit applications or multiple locomotive applications with minimum alteration and without: any change to the origma.J. manual controls in the loc6motive cab. Aii illustrated block diagram is showii in ~igure 1-1. . .. . '.
Two types of multiple· unit. operations can be accomplished· with·this syst~m: one type requires equipment to be moun~don every.. locomotive.in the consist, and the other type requires equipment to be mo~ted only _in the master locQmotive.
Automatic speed reglilatiQn ( supervised:by the:_engfnema.n): on a locomotive is achieved by controlling, the throttle solenoidi for coarse i>9wer. control,.: and by adjusting current through the tiattery field on t}ie main generator for fine.power con-· trol. · · - ~ · it,
This equipment is designed for on-board automatic operation and can be interfaced with the LSR-100 Cab Signal and Locomotive Speed Regulation System for tower remote control operation.
, . .::
5907, p. 1
C/1
'° 0 ,:-.J
'"Cl . t',)
SPEED CONTROL
PANEL
Figure 1-1.
. '
.-----------------...., EXCITATION OF THROTTLE SQLENOIDS IN SLAVE UNIT~
ELECTRONICS MODULE
PWM
TO ISOLATED THROTTLE
SOLENOID TRAINLINES 10,BATTERY FIELD 'AMPLIFIEft
1------ - .... _ .....,_~N-~~VE UNI~~ _; . -.!
'i•·
,:;.
THROTTLE SOLENOID
BATTERY FIELD
AMP.LIFIER ~
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lOAD REQ. ·~· :.
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1· : .. .... .... ',, :· ~· ,f•'
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ii:' --· ::::.: ·~·
:- ·· 'C>1J.sEL ( ;::. ENGINE·':
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,j'. \ :i :.iC:-'. '.:. ---------1 TACHOMETER
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~~RS AND
WFIEELS
- - _ ;::.. : •. Tlg\cllQ.N;;:.. ~- · ·.:.:, i"'. Motoits :·, • :• ~I :.~. ',.. l, t:,:
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Simplified Locomotive Speed Regulation System Block Diagram
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···sECTION II
2-1. SYSTEM.DESCRIPTION
General - The Locomotive Speed Regulation equipment consists of an elec~ :tronics module,. control panel, tachometer.generator, battery ·field-amplifier, brake pressure switch,. and battery field amplifier bypas~-switch. · · ·
- .. • ;. ~:.}!'· ;' '
This equipment adjusts the throttle for coars~ power· control and regulates: , current through the battery field of the main generator for fine power control.,
. Actual locomotive speed is compared with desired speed and any speed deviation·is amplified and processed. · The locoin.otive is accelerated automatically to the de~ sired speed. , ( · ·
-!· .
This system can be applied to., and will closely regulate the speed of, all lQcomoti ves that are equipped with.an eight step throttle control system and D. C. · excitation of the main gen~.r~t?~· . .... . . . ..
2-2. SINGLE AND MULTIPLE LOCOMOTIVE OPERATIONS
The two possible arrangements of multiple locomotive operation, that illus.!. trate the proper application of speed regulation equipment, are shown in Figur~s 2-1 and 2-2. Either arrangenientcan. be interface.d·with tower rem.ote.control equipment. · · ·· i •
.. - . ..... .
The arrangement illustrated i~ Figure 2-1 shows all or"fhe speed regulation e.quipment mounted in the master locomotive.: 'rhis · speed regulatibn e~uipment provides coarse and fine power eontrol of the.master locomotive, k.nd coarse con- · trol of the remote units through throttle notching. 1 · · : ·· . · ··
. .
The throttle setting for the master and ~lave units is controlled by the electronics module in the master unit. The notching sequence will vary depending upon the position of the units; that is, if the slave units are in front or. in back of the master unit. See Table 2-1 for. throttle notching sequence:and relay sequence.
The second arrangement illustrated in Figure 2-2 is similar to the first ex..: cept that each slave locomotive has its owrl.coµtrolling battery.fieid amplifier on-· board. The signals supplied by the electronie'S module in the master unit controls the master battery field amplifier and the battery field amplifier in each slave unit _via parallel trainline connections. This provides for smoother operation and finer speed contr~l of all loco}llotives ( master and slav~s ) •
.. z·-
2-3 OVERSPEED OPTION.. . ..
The overspeed ·option-provides a means of applying locomotive brakes when the locomotive is; in automatic operation and exceeds a pre-set speed limit.
5907, p. :3
QI co 0 --1
v
't:l . i,jl;,.
TO SLAVE UNIT
-
GEN. GEN. n .,
t r CONTROL ·~ '" TO ELEC.
PANEL
MOTOR TO ELEC. MOTOR I
I TACHOMETER ~ BATT.
DIESEL I r---- GEN. DIESEL ENG. FIELD ENG~ I I
AMP. t ' j.' AV, BV, CV, DV _ -:!- I
ELECTRONICS
[ THROTTLE ' MODULE
,.. - ._ SOLENOIDS
•• +72V I I
T I I I I
THROTTLE I' MANUAL I
THROTTLE SOLENOIDS r--I I
CONTROL
AV t ' t j,
I BV I I CV I I
it DV I·
I ,t GF I -\..1. - - l -
- -,AV, BV, CV, DV, GF -
PWM
MASTER UNIT SLAVE UNIT
Figure 2-1. Typical Arrangement for Multiple Unit Operation with Locomotive Speed Regulation Equipment Mounted in the Master Unit Only
-
I.
-- TO SLAVE UNIT
.)
~I
t1l co 0 -:i .. "O . t1l
E TO SLAVi UNIT
---
GEN. GEN.
ri .. r .CONTROL PANEL ·1 • ~ TO ELEC. TO ELEC. j • l
MOTOR MOTOR I I I TACHOMETER r- BATT. I
,------ GEN, BATT. DIESEL I DIESEL r• FIELD. I I I FIELD ENG. AMP. ENG. ; ' I
AMP. I I I
I " [AV, av, CV, DY J ·'i
I -!- '·1 •
ELECTRONICS MODULE THROTTLE I
... • SOLENOIDS I
:t +72V I I I
I I I I I I I I ' I MANUAL THROTTLE I THROTTLE SOLENOIDS -I I ., '
CONTROL
I I I
I 'j l
I I I I I I I I 1 r I I
1/AV, BV, CV, DV I - I I .l PWM l SPARE TRAIN LINE ·- l - - ,- - -
MASTER UNIT SLAVE UNIT .'-,,
Figure 2-2. Typical Arrangement for Multiple Unit Operation With. Locomotive Speed Regulation Equipment Mounted on Every Unit in the Consist
·-·---,,,
"
TO SLAVE UNIT
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WABCD ~
TABLE 2-1
- - • •• - - • -. •• -·.; • .., ••• -~~ v -~- •• ' • ~ ••••
'
THROTTLE NOTCHING AND "L" RELAY SEQUENCES
~
THROTTLE ·toGIC BO ARP COUNT
0 1
; 2 . --· .. 3 4 5
!
6 7
.. ·- .. ,; ...
0 1 2 3
:4 5 Q ,. ·• ""~ 7
0 1 2 3 4 5 6 ..
7
THROTTLE LOGIC . BOARD COUNT
5907, p. 6
0 1 2 3 4 5 6 7
~~iµ>._ ( MA$'f_~lll. r;Ri\ll~J:JN~§. i
·Tfl:ROTT-:I:,E ... ,,.. ............ -.. -·,e: i
AV B v CV D v G·F· -v .. -NOTCH i" ~ ..... *""-r ! ! - .. l
-- ... -:,.lt.i,.-:
' t. ;:; ~ < ~.!.! ;·
0-V o-v 0-V 12.!:.v ~. 1 t -o ... ~ ; ' ,, '•· .. -~ -.. ~- j'~ . . ~- .. lO-V: 0-Vi 72-V o-v 72·,·V· •.·.J '
12-v ' •· i o-V 72-V 0-V 12.,.v 4 ! ; :· -;j,.I !; f··jo-v' 72-¥. 72-v'' 72~V
. . . -· 72-V " 5 i~ i ,•
1 ! 0-V~· i2-v 72-V 72-V 72~V.- .. .. 'i, . 5.-. J : ....... ~ .. .i
'o,...v 12-.. v 72-V 72-V 72-V 5 . ' '• o,...v_ 72-V 72-Y 72-::V 72-V 5 . . . ,· ... ;;,.· • ' ·o-v 72-V 72-V 72-V 72-V 5
;
. ... ,v·· • ,.~' ~ _,. . .. . ...... . _ .......... -. FIRST REMOTE TRAIN LINES i
i ..
o::.v ···o:.-v 0-V "·o·:..:v· · o-v··-· ...... 'IDLE··· ... ~--· ! .
' 0-V 0-V o-v 0-V o-v IDLE 72-V 0-V 0-V 0-V 72-V 2 0-V 0-V 72-V 0-V 72-V· 3 .. ; ' •• ·-·~ < ,.. ... -. • r '. .- ... ,. '
7-~:.:v· · ·o::.v 72-V 0-V 72t-V ' : . .. 4 '· i;
·' 'o-v 72-V 72~V 12.:.v· 7~~v 5 ~ . ':&OTE: :o-v 72-v' 72.'.,'\Z ...
t
vpLifS .'J2..;.V 72--V _5_. ... :y = __ ......, __
0-V 7'2-V: 7:2-V 72 ... v 72.i.V '5" ::' D~C. ' i
SEC,ONQ REMOTE TRAINLlNES . ; "'.! (
. . ! ' i 0-V 0-V 0-V 0-V Qoi-V IQLE
0-V 0-V 0-V 01-V 0-V I1'LE o..:v ·o-v - .. 0-V 0-V 0-V IDLE
0-V 0-V o-v. I
o-v.. -72-V .... ,. 1 i 72-V 0-V o-v; 0-V 17'4:-V :~
0-V 0-V 72-V o...;v :. ~. t
·72-V ' 3 :
72-V o:..v 72"'-'V; 0-V ;72-V , 4: 0-V 72-V 72-V 72-V :72:-V 5 .
"L" RELAYS .. KC KB
D ... Dt, D rn.
D: -~ ~-·
'·· .D E' D Et. E D··
· ·-E •· • D E E E E
E,·, '
D .. · -~ ~~ E'
·D --· ··-·· -~- E. - ., .,., ......
D E
.-NOTE:: D = DE ENERGIZED E = ENERGIZED
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;
i
A,. Electronics Module ( see Figure 5-5 )
The electronics module, located in the master unit,. is the major component . fo,r automatic speed regulation. All other component~ of the system are used to sense information that is used by the electronics module or to interface the elec-tronics module with the engineman or locomotive. ·· ·
The following equipment is contained in the electro:ajc module: ·
1 •. Power Supply Pre-regulator - converts the locomotive battery voltage ( 56 to 90V) to a voltage level ( 28 to 43V) that.is free of transiep.t spikes, as required for the voltage regulator printed circuit board.
2. Voltage Regulator - provides a regulated output ( 23. 8 to 24V) when the input is 28 to 43 volts.
3. Voltage Divider - provides a highly regulated+ and - 12 volts as required by the circuits of the hump locomotive speed regulation equipment
4. EVAC II Printed Circuit Board - in conjunction with the axle generator provides speed setting, speed sensing, and speed error detection functions.
The axle generator produces a variable frequency fixed amplitude signal with frequency directly proportional to speed. This signal is detected by a threshold detector which is located on the EV AC printed circuit board.
'l;'he output signal from the threshold detector is converted to a DC voltage proportional to speed. This signal is amplified and compared to the selected· speed sig:hal by an e.rror amplifier. Its output voltage is the difference between set speed and actual speed.
5. Pulse Width Generator Printed Circuit Board - translates the DC error signal from the EVAC board into a pulse width modulated signal. This signal iEJ amplified and is coupled to the battery field amplifier. The operation of the battery field amplifier is described in another part of this manual.
6. Throttle Logic Printed Circuit Board - translates the DC error signal from the EVAC board into a level or levels that sequence ( through the relay ·driver) relays KA, KB, and KC to provide throttle notching. . . . .
7. Relay Driver - with a +12V input applies O volts to energize the corresponding relay to notch the throttle for a speed change. ·
8. Kl Relay - energized whenever the locomotive has been conditioned for automatic operation. This requires the mode switch to be in automatic, the throttle in the idle detent, and either tower auto or on-board auto pushbutton to have been actuated.
5907, p. 7
. ·wABCD ~
9. K5 Rel~Y. - used to distinguish;between on~boarcf'a.utomatic and remote aut.oniatic operation. This relay. is used to interfac~ betwee~ ,Hump Locomotive Sp·eed Control system atid Tower Remote :Cont:r;ol Eq~ppient. K5 is energized when the hti:nip locomotive speed cQntrol is condit~gtied for tower remote automatic operation. · · . , . ,-:- .
10. K3 Relay - energized whenever Kl is energized and the brakes are released'~ Deenergizes when brakes are applied or when Kl is deenergized.
B. · Optional Overspeed Printed' Circuit Boards ,· ;
1. Voltage Regulator Board - Converts the voltage. outpµt of the Power Supply Pre-Regulator (.28-43VDC) to 28VDC, the voltage required to operate the overspeed equipment.
2. Shapert Limiter and_V=O Board - shapes the input signal from the axle generator and applies it to the Speed Filter board, and p_rovides a signal output when the train is stopped to prevent brakes fre>m being applied.
3. Speed Filter Board - Adjusted to the speed which is not to be exceeded. When this speed is approached, the amplitude of the output signal is . decreased. · " · · · ·
4. Level Detector and Relay Driver Board - Senses when the output of the speed filter board decreases below a pre-set level which would be the overspeed point. An oscillator is interrupted and this causes a relay to de.,.energize. This. relay interfaces witll the .br3:ke system and provides brake application.
C. Battery Field Amplifier - High Power ( Figure 2- 3) · Low Power ( Figure 2- 4)
The function of the battery field amplifier is to serve as l:!,Il interface between the electronics module and the electric drive of die locomotive (it adjusts excitation of the main generator field in response to the pulse width modulated signal produced by the electronics module) and to provide fine speed control of the locomotive.
The battery field amplifier is supplied- with a modulated DC voltage in the a_utomatic mode and with 72 volts DC in the manual mode ( this insures normal locomotive operatioi;t).
5907, p. 8
-~--.....,.
Figure 2-3~ Battery Field Amplifier ( High Pa.wer) . I
Figure 2-4. Battery Field Amplifier ( Low Power)
5907, p. 9
f . .,.
.-···"
WASCCI ~
D. Control Panel f'igure 2-5)
The controi panel enables the engineman to initiate automatic speed regulation, to select the desired speed, to select remote automatic operation, and to return to normal manual operation.
The control panel contains the following equipment:
Auto/Manual selector switch - conditions the locomotive for automatic or manual operation.
On-Board pushbutton - sets up on-board automatic operation. Blue light is on and amber light is off.
Speed Selector switch - permits the engineer, when operating in the on-board automatic mode, to select speeds of 0, 1. 0, 1. 25, 1. 50, 1. 75, 2. O, 2. 25, 2. 5, 3. O, 3. 5, 4. 0, and 5. O mph.
Tower Auto Pushbutton - flashing amber whenever the tower requests remote automatic operation. The engineman acknowledges this request by pressing the pushbutton. The amber and the blue lights will be on steady when the system recognizes the acknowledgement.
Speedometer - indicates the speed ( 0 to 5 mph) of the locomotive in manual or automatic operation.
On-Board Auto pushbutton - cancels remote or tower automatic operation. and insures that on-board automatic operation is retained if the throttle is in the idle position.
Figure 2-5. Control Panel
5907, p. 10
E. Bypass Switch-
~--~ •• ..5 ""!.l"f'"";< ... :..,
--#.11\l(~ca ~
Bypasses the battery field amplifier in the event of a malfunction and per~its manual control of the lo~omotive. The bypa:ss switch should be closed wheneve:ri the locomotive is started and when the locomotive is ~eing inspected or repaired.
F. Tachometer Generator._JService Mat111al 5856) · . . ; . ~ ! ·. , . :
· The tachometer generator is-mounted on alt axl~ of t}le master locomotive and provides pulses at a frequency~proportional to the aptltal speed of the locomotive. These pulses ar~ suppl~ed.t(j the co;ntro.l circuits in the electronics module.
. ' . ~"!, f '
G. Brake PressuFe.Switch .. .(
The brake pressure switch interrupts automatic operation whenever the brakes are applied. Enables automatic oper.ation ( if 'the automatic mode is sele~ted and the throttle is at idle) when the brakes are released.
SECTION IU
3-1. GENERAL SYSTEM OPER_A !'{ON ( Figure 3-:1)
The engineman controls th~ rap.ge· of. powet available from the diesel engin~, not equipped with an automatic;_1:1pe~d regulati.on system, with the throttle which controls the governor to maintain eight d~_scr:ete engine speeds. The diesel engine drives a de generator which provides power to the propulsion motors.
Automatic operation is achieved, with the ·automatic speed regulation system interfaced with the electrical controls of the locomotive, by controlling signals oh the throttle solenoid trainline for coarse power control, and by adjusting current through the battery field on the main generator for fine power control. The speed can be set by manipulating the. speed selector on the control panel for on-board control, or by means of remote cont1'."ol .
.. NOTE
Remote control of the system is intended only to supplement the crew's operating instructions, and to provide direct control of locomotive speed when necessary. Full responsibility for safe. operation of the locomotive will be retained by the engineman in both manual and automatic control modes •..
Figure 3-1 illustrates the syste~- as applied to the master and slave units. I .
i
Printed circuits in the electronics module detect and amplify the difference between the actual and the requested speed, and produces the proper output to control the throttle solenoids and the battery field amplifier for the ·master and slave units. ·· - · ·
· · 5907~ p~ 11
CJ1
'° 0 .;..J
'Cl . .... ~
ON BOARD CONTROL I ON BOARD. SPEEO REQUEST I PANEL ·· . ..
REMOTE SPEED REQUEST -------......,..-.....,...---...... AXLE
GENERATOR AXLE GENERATOR INPUT
~
VELOCITY
EVAC II ··I VELOCITY: . PCB ERROR
SPEEDOMETER
PULSE WIDTH MODULATOR
THROTTLE LOGIC, RELAY DRIVER, THROTTLE SOLENOID CONTROL RELAYS
MASTER BY-PASS
BN SWITCH .. .--. ... I
BATTERY Fl~LD 1 --.1. ~ AMPLIFIER . ..--- ••••
B~_·· ----~;:-;-ll"i SLAVE GEN.·
LR
• SLAVE BY-PASS .SW• . I BAHERY FIELD I SLAVE BAT .FIELD ~...J"V"YY'\..;. LR .• AMPLIFIER·
THROTTLE CONTROL
I ·I I .
. L_
~
THROTTLE SOLENOIDS .' · (MASTE~)
THROTTLE SOLENOIDS (SLAVE)':;.
LR - Load Regulator
·~,
Figure 3-1. Typical System Functional Block Diagram
~,
... 0 .. ., .. ~·-MODE SPEED SELECTED: I (CURRENT) IN W!R,E CONNECTED TO PIN H . '
, .. .. L \
·/ " ~:': ·•. •:C.a
On-Board 1.00MPH . .40; MA Automatic· 1;25'.MPH • 50 MA ' ,<~··"
1. 50-Ml?H • 60: MA . 1.:75 MPH •' ' • 701MA
' 2."c>o·MPH .80. MA 2.25 MPH - ~
. <;'.'.· .90MA 2.50 MPH 1.00 MA .-. 3.00.MPH 1.20.MA 3.50 MPH . '. .. ,d . 1.·40 MA ~--~ ··'"-- ~-- ..... -~·:.,
' .. , 4.00,MPH 1. 60' MA . 5.00 MPH 2. 00' MA j - '
Table 3-1 illustrates the change in current (with a:change in speed s~lected) through the resistor network in the sp~ometer c9ntrol panel ( figure 3-2) and the EVAC II printed ci:t~cq!t boarp Jn tJie electronicf!n;n:odule~ . . ·
TABLE 3-2 .. '·• .. ' " .. ., •·
VOLTAQE!- _j I ,.
'
' COMMENTS , MODE ' i
MANUAL ,, LJ3 ,. .. J;,OQ.OMO'lnV)J:: PCR,REIA Y ENERGIZEP, MANUAL '. .. LB . I,.OCOMOTJVE PCR RELAX ENERGIZ~D ON-BOARD AUTO LB· .. LOCOMOTIVE PCR RELAY ENERGIZED ON-BOARD AUTO LB LOCOMOTIVE PCR RELAY ENERGIZED ON-BOARD AUTO LB LOCOMOTIVE PCR RELAY ENERGIZED ON-BOARD AUTO LB LOCOMOTIVE PCR RELAY ENERGIZED ON-BOARD AUTO· Lll' LOCOMOTIVE; t>bR RE LAY. ENERGIZ_EI> BOTH +21: PANEL I;iIGHTS ON . ON-BOARD AUTO +24 ON-BOARD ~UTO'.LAMP :-·,·
TOWER AUTO +24-" TOWER AUTO LAMP ON ' ·;·
TOWER AUTO LB' TOWER AUTO ACKNOWLEDGED I
~- .. - ~r
* All voltages measured with negative lead of met~r connected to terminal E". ·· . · · , · · ·· · .. · · · . ' · ·. ' ·. .. ' · · · · ·
i
LB is locomotive battery. '!: r-:. ..
' ..
*TERMINAL
A c A B D J M R N p I;,
Table 3-2 illustr~tes the 'iroltages applied to the Spe~6'htete'r Cotit_r~l J>anel (figure 3-2) in the various modes. of operation. " ··· ~J--; .. _.: : . ', : ·
• • ..,"" ll,.... . ",;;
. ,·
5907, .p~ 13
CJl c.o 0
""' ~
'O . ..... .i:,..
( CLOSED AT 18 LBS.) r-----------------1 AIR PRESSURE · SPEEDOMETER CONTROL PANEL .
PCS MAN AUTO ·1 1----1• ·----{ c e---,
PC
~(CLOSED AT IDLE) PC PCR
I I.
BN
PC
._
Kl
I
··TOWER AUTO •· _J_
ON-BOARD AUTO·.
. _L ....
. I-
~
·, .. ~LRlP .· T.O~ .. UT~ L
. ' .,. ..
~
··I····· . ON-BOARD
, . ~} AUTO j. Ml. ..
EVAC ll N••i-t-1--'
MPH ON-BOARD AUTO
+24 V 5.00 :::::] '{.!} .. (
. 4.00 . .
3.50~ TOWER AUTO
~·00 ::::J \!Y ~ 2.50
' ... 2.2!l~
Figure 3-2. Control Circuits
'
I I
• f'LRl~...,24 V ·.
I .... '. I
~ \ ... , . '
...... '''.,
)._. . . .J •M ~VA¢ n _ __..:_.J
· +24V - From Electronics Module ··. ' ,, . : ... ,
Power Supply
~1 ~a
~, . ~;..:.,.;~ ff, . ·;.:. ... · '
· , ... .: .,WASCO ,;,a·.,·-~
Voltages, via trainlin~s, from the .el~~tronics module S!3qUen~e the .throttle solenoids to ob_tain the proper notching fo:r one of the fh~e. t~rottle positions. in the
'master and slave units. .·. '• ... ' . . ,. ·'· .,_ . . . ' . • ,,, .• "!. ,, r • •
A modulated de signal ( in automatic mode) is trans~fted1
to.the battery field amplifier where it is processed to control the ~~ generator.
A. Autorilatic On-Boa;tij Opera.ti.oil .:::..,
i. ! J . . • . ~ ; • • • • ;, • ; : • ! •
The engfue;lllan must first ~lat?e, all m~ual controls .in the propel" position.
L Throttle in idle positfon.
2. Mode selector swjtch ( control panel l 41 the automatic position.
3. Depress On-Board Auto button.
4. Position speed selector for desired speed.
5. 'Independent brake handle in the release position.
Interlocks will interrupt automatic operation ( deenergize Kl) if the throttle is moved from the idle position. The throttle will have to be returned to idle and the On-Board Auto pushbutton pressed to resume automatic operation ( reenergize Kl). .
B. Remote Control Operation
The locomotive can be remotely controlled when remote control equipment is interfaced with the on-board speed· regulatiqn equip:rµent •.
: ' . ~ .
An amber light on the control panel will flash when remote speed control is requested. The engineman will place the manual controls as he would for on-board automatic operation 3.D:d acknowledge the request by depressing the Tower Auto pushbutton. The amber light will come on steady when remote operation has started (blue light will also be on). The engineman will have to release the brakes and reacknowledge the request by depressing the Tower Auto pushbutton if the amber light continues to flash.
C. Control Operating Functions· :-:,.
The interlock checking circuit senses the position of the manual throttle control, brake control, and th'e mode switch on the control pan.et The engineman places the throttle in the idle position, nioves tJie mode selector switch to the automatic position, depresses the on-board auto pushbutton, Selects desired speed, and releases the brakes. Relays Kl, KlP, and K3 will energize. These relays place the system in automatic operation and connect the required trainlines for desired throttle solenoid operation. K5 is energized when operating in the remote automatic mode and Tower Auto has been selected.
Air pressure is sensed by a pressure switch when the eng_ineman applies independent locomotive brakes. The K3 relay deenergizes and intefrupts the auto~atic speed regulation by removi~ voltage from the throttle solenoids, interrupts GP.
5907 ;- p. 15
WABCC·
~ . ~ .
contactor. 'and pl~es ~· locomotiv~ in idle. : . . p~mg this ped~a, the blue, .. indicator: light ·wn1 continue to glow indicating that the system is:irdhe,,automatic · mode. The locomotive will resume its normal automatic speed regulation when the brakes are,released. ·:, .
Relays Kl, KIP, Ka·, and K5 will .drop when; the engineman ~a:nu~; moves · the throttle_handle from· idle to any _higher p.ositiQn or w~~n the mode swi~ch is moved to manual. This action will cause the· following: ( 1) disconnects +72 volts power supply to the throttle SQlenoid circuits; , ( 2) closes all trainline connections as they would be in normal manual operation;· ,.( S) pe.rmlts full excitation of the generator battery field; ( 4) extinguishes the. blue light qn the control panel; ( 5) th~ speedometer will continue to operate. ··
The engi.neman niust place the throttle :in 'the idle positioh and re-establish automatic operation.
SECTION iv
4-:-1. INSTALLATION
General - Recommended installation procedures for all components should be observed.
5907, p. 16
Locomotive Equipment -
A. · Electronics Module - shouid be mounted in a sh~ltered. area that is not exposed to extreme temperature,s and to permit accessibility for ease of maintenance.
B. Battery Field Amplifier-. must be mounted in a sheltered compartment with sufficient space near the unit to ~ount the SPST bypass ~witch.
NOTE
High power battery field amplifier must be mounted with the large white arrow pointing up for proper operation. ·
C. Control Panel·- should be mounted_ at'a point near the engineman's controls in a m3:llher:that permits him to view,the.panel as he performs nor-. mal locomotiv~ oper~tions:. , · · ·
;
SECTION V
5-i. SYSTEM MAINTENANCE
· General - this sectiob. provides inf~r~ation and p~ocedures covering · matnte:nance · of the overall _ E)>pfie<:} regula~ion system. and parts list. The procedures
will aid maintenance personnel to restore operatio_n ot:.a faulty system. Additional illfotlnatioh is provided. to aici in developing a preventive maintenance program to avoid possible system fa.ilur~.
. Visual Checks - an eff.ective visual inspection wili sometimes indicate a p9tential source of failure. This same procedure may also be Used When a failure does occur. Listed below are a series of inspectiQns that may be performed When a faUu.te occurs, or at inte_rvals suited to the convenience of the purchaser •
. Maintenance - involves the replacement of faulty components, PC boards
and (lj relays for example, _whicll should b~ returned to WABCO Signal and Co:tn.mU:_hications Division for repair and adjustment. The procedure for logic circuit trou.bleshdbting is to replace suspectec( printed circuit boards with those known to be operating properly. . . ' . . .
5-2. SYSTEM TROUBLESH.<;)OTING
troubleshooting - isolation of malfunctions is most easily a~complished when a logical troubleshpoting seqqence is followed. Perform the following preliminary tests in sequenc·e before any further· troubleshooting:
The locomotive should be in the manual mode and should be running at idle speed.
Preliminary Tests:
A. Check connectors, cables; fuses, and indicator·lamps for defects.
B. Insure that all plug-in Pc boards are properly inserted.
c. The voltage between terminals 1 and 2 of TBl in th~ electronics module should be 60 to 85 volts DC. ·
D, :Measure the pdwer·. supply voltages on the ele.ct~onics module by removing PCl ( UN451043-5ao1 ) , inserting an extension card ( UN451055-1601) into the slot, and inserting. PCl .into it~ ,.Make the following measurements With the powe:r on~ , · · · . , · . _ ; ,. · · ·
1. Terminal C to terminal V == 36V ±8V .(normal)
( ii) -Replacethe piug-111. preregulator }ocated.in the lo~er left corner of the electronics modul~ if the voltage is greater than 44 V.
(b) Check.toggle switch and fuses Fl llllQ F2 if the voltage is zero.
?907 ,. p~ ·, 17
5907.', p. 18
( c )_· Remove PCl • ffotn th~ extension if the voltage: is less than 28V and measure the voltage from C to V on the extension. Replace the preregulator if it is still less t~ ~av. , ;: : : ; ,: 1 .• ;
(d) Remove al~ the PC boards in.the ~lectromcs m(!dql~;{,µ the voltage is still'less than ;.at> by; piiIU:111_th~p:1 out a1>0.u.tJwPJ»~lies. Starting wi~ PC~--' ptisl.f ~he ,l?g _pQa,;ds into. Pl~ce op~ J\t a ~time. Replace any c~~- that .causes the ,voltage tQ. dfop. . , ,, , .,, ·
• ,. ··, .l ' . ·. "• .
2. Terminal A to Terminal V = 24V :1:. 5\1
(a)' Replace PC1'-'fr the vol~f_is ,~gh •. \'. . . .. . .
•• ~ t •
"t .•; . ~ .·,'
. . . . . '• ~; :
,,·. -:- •. j! . . . ,r,,, . . . : ; (ti) .. Remove the PC boa:,tds as _in 1 ( d ), if the vqltage,;is l9w._ 1l.teplace
: , PCl if the voltage stays "iow •. 'Repiace the PC boards as in 1 ( d) if the voltage is still.19:w. . ·, . ., · ... , · •
' .• · ( ..• · ';· •. ;,ft ;_ .. ij\.,J.•' .
' .. · ' . ' .. ) ... :. ~,·, :i/' :·. •, .• '. 'tii.i ·:·('"-.~ E.- Insert PCl into its slot and u~e· the extension f9r PC2 ( UN451053~Ji201).
. . • . , . i. . ~ ' ' ..
• •.• ·" .;; • ·., . .!.: ..
1. Measure the voitage from A to L anlK to V. Th~ volt~e·in.both,4, cases should be 12V :1:. 25V. Remove PC boards 3, 4, 5, and 6 if either voltage is incorrect.
(a) Replace PC2 if the voltages are"still incorrect. . . : ' . I ~. 1. • l ._ ' • • ' i . .
( b ) . tf the voltage is correct' push in, t_l;le boards, one it: a: time . an.a·· replace any bo~d that caus~s the"y~lt~~it<;> be incorrect •. '.
F. Symptom 'froubleshooting. ~ . ~ ·! ~ . . • ~ .... . > )
.. 1. ( Proceed to sympto:QJ. troubleshooting when all voltage measurements
are correct). Information is given to aid in tr_oubleshoot~ng-:after the symptoms have been identified. The possible causes are listed with the m~re probable failures first. :; , " .· ,1
' ,,,
Power should be turned off ~efare reP,lac-ing any p:i'inted cfrcuit bo~;rd. · · ,, .,. . ·~- .
2. Malfunctions in th;rottle operat.ion in the a,µtomat,ic mode~> ( REFER ' .... ,_ TO TABLE ~-1 FOR CORREpT TIIB,9':Vl'L:E.'.s~QUENCE)'.
.... ( a) .;~ ;'• .\ .
Throttle advances 6r decr~ases hi i,l'.Ilproper: sequence. PCB5 ( throttle logic printed circujt board)· PCB6 ( relay driver printed circuit board).
( b) Throttle does not adv::µice but ,gene~atpr loads properly in notch 1. . _. PCB5'Jtlii:ottie·!ogic); _ .··,, ... , _.. ':. . · · PCB6 (relay dnver)
:, i'( c) Throttle .does' not decrease .. PCB5 ( throttle logic) PCB6 ( relay driver)
.(d)
(e)
Runaway speed at any se~ected spe~ •. · Axle ge.nerator or cable between axle generator and electronics module. PCBf.1,.(~YAC.priht,ed. circuit b.oard) ..
• , :.c• -.-1 < • 1;. X , • ~ •.• , •
. . . . : . -~ ~ . .
Throttle ad:vanc~l:l tq a mwmum notch other than notch 5 ( for example 6 bi 7 )·: · · · · PCB5 ( throttle logic) Relays or relay ·wiring' ·
... . 3. Malfunctions in the throttl&'operation in the JllanUal mode • . · ....
( a) 'fhro~e Il~i~:ties 3:re. no~·ai;; requested~; P9B6(r~~-~ydrive;r.) . :,,· . : . . Relays and relay wiring -
4. Speed Malfunctions in the automatic mode.
(a) Speed hunts at approximately 1 mph above 3.l1d below the s~ie'~ted
(b):
(C)
speed. . . . . .• Bypass switch closed~ · Battery Fieid Amplifier ., ·,, .. PCB3 ( Pulse Width Modulator printed circuit board) ' . -~ PCB4 ( EV AC pri~ted. circuit b_o~d) .
Speed is controlled .at -other than selected speed. PCB4(EVAC) Speedometer Module Axle Generator · · · ·
Speed increases beyond 5 mph ·tor a given selected speed. PCB4(EVAC) . . Axle generator or cable between ·axle generator and electronics module. ' 1 ·
5. Interlock Malfunctions
. ( a) . Will not go into the automatic mode ( Kl and KlP · will not energize). . ,
. Throttle interlock - Short TBl terminal 1 to TBl terminal 7. Trouble is in the throttle etand if this corrects the proble~ Speedometer Module. , ·• · · · "
, Kl and KlP relays.
( b) Will not go into the tower automatic mode. : Speedometer Module ' Vehicle Control Box Radio
· Wiring :K5 Relay
(.c) · Will not switch from on-board: automatic mode to the manual mode. Switch in speedometer module · : . · · · Kl, KlP RelayS
; Switch in throttle stand. ; ,
~90~, p •. 19
6. Miscellaneous1·-Ma1functfons · . · . "):
.· ~ . . .. -.. • . :. ,, ,·a.' .··:n:-·
(a) No current ·in main gen~rator/ eriglrie' do~S not increase rpm
. . (b)
< c>
( automatic mode). . . r · Brake pressure switch aifd wiring.
PCB4 (EVAC) · , .. . · t ...
Engine increases in rpm.. without throttle increase request ( Manual or automatic mode). Battery Field Amplifie-:r · ... PCB3 ( Pulse Width Modulator)
Application of brakes 'has. n~: eff~ct -o~ excitatf~h of main generator ( all other operations are normaJ j in the automatic mode. Brake pressure switch. · · ' · · K3 relay and wiring.
5-3. PARTS .~IST .
A. :[!~ttery Field Amplifier ( High ~ower)
A parts list for the battery field amplifier ( high power) follows and is keyed to the index numbers of Figure 5-1. · ·
ITEM ,· P.A.RT NO. DESCRIPTION NO.
.. '
BATTERY FIELD AMPLIFIER UN451152-0102 1 Panel UR451153-0104 2 Connecto~, 18-Way I ' UJ702972 3 Guide, Printed Circuit Card .' UJ712069 4 Capacitor, 10() µF ( 051) UJ709067 5 Rectifier, Silicone Controlled, C30B ( SCR52) UJ726128 6 Insulator, Mica UJ772118 7 Insulator, Teflon UJ772121 8 Nut, 1/4-28 Brass UJ480014 9 Diode, 1Nl202A ( D51) · ... .·, .. UJ726129
10 Insulator, Mica .. UJ772120 11 Insulator, 'reflon ". UJ772122 12 Block, Terminal, 5-Way (TB) UN223597 13 Resistor ( R51 ) ( 25 ohm, 100 watt ) ; .. UJ735503 14 Socket, Transistor UJ725477 15 Transistor, 2N3773 ( Q51) UJ731368 16 Insulator; Mica . . . ' ' UJ772119 ·.
17 Terminal, #8 Flag • 1,.·, UJ731226 18 Wire, #8 Flex UA45241 19 Insulator, Post '.·· UJ780013 20 Fuse, 70 Amp. ( F51) UJ710111 21 Holder, Fuse UJ713141 22 Heat Sink UM451153-0701 23 Stand-Off, Heat Sink ,.· :;( : ;: UM451153-0601 24 Diode, 1N4138R (D52) ., ! UJ726127 25 Rectifier, Silicone Controlled ( C50B ) '· UJ726130 26 Block, Terminal, 1-Way .,. .I• . UN221637 27 Printed Circuit Board, PWM Trigger UN451043-4401
5907, p. 20
c.n : cc 0 -::i .. '? I\:):
"""'
1- 1-i
20· .. 21
19
11 17
2 3
SCR52
12~,~1-9~a
~.":'"
::;.o
•,•
5 I ·~&
1 \ 8
9 '·10 11
. 4.
REMOVE 4 BOJ-UTO 4DJUST HEATSINK FOR ~ROPER 11R f,LOW
-;,_·
-
"
l lril ™ mi§j-. 1±:rl . . . ~ ~ '1'23
---, ; -·-'1
::J
. ' '' L..1 :·:
2(.
1411!,i_~· ·~22
~
,·, .. ,·)·
~t~. j i '' , "· .,
n .· ' .
WHE~· ADJU.STMENT' IS MADE THE . · ARROW MUS:T POINT.
.... @)r UP
26
4-.. '
Figure 5-1. Battery Field Amplifier ( High Power)
.1
~r·· :::
•.,· '•'
·,. ! •
.•.
~l~
WABCO ~
.. B. Battery Field Amplifier (Low Power)
_ . A parts llst for the_ battery field amplifier, for use with boosting exci*1,tion control, follows and is keyed to the index numbers of Figure 5-2.
ITEM PART NO. DESCRIPTION N0.1 .. ..
' , , ' .• 1
BATTERY TIELD-AMPLIFIER'{LOW POWF;1R) : @451152:-0701 ... 1 Plate,. MTG.
·' UM45l;153.-6601 .
2 Diode, 1Nl823A UJ726150 3 Transistor, 2N3773 UJ731368 4 Diode, 1Nl202A UJ726129 5 Block, Terminal 5 Way UN223597 6 Fu~e, ?AG - 2 AMP '·
, UJ710026 :
7 Resistor, 1 OHM lOW UJ735519-0064 8 .. Grommet UJ751169 9 Diode, Thyrector UJ726150-0034
10 Printed Circuit Board UN451153-6701
C. Battery Field Amplifier (Low Power} .
A parts list for the battery field amplifier, for use with bucking excitation control, follows and is keyed to the index numbers of Figure 5-2.
ITEM ..
PART NO. DESCRIPTION ,, NO. · .
.. .... ~ ..} ·:
' BATTERY FIELD AMPLIFIER (LOW POWER) N451152-0702 1 Plate, MTG. M451153-6601 2 Diode, 1Nl82.3A J726150 3 -··Transistor, 2N3773 J731368 4 Diode, IN1202A J726129 5 Block, Terminal; 5 Way . ·, N223597 .. ... 6 Fuse, 3AG-2AMP J710026 7 Resistor, 500 OHM 25W J735441 8 Grommet ·. . J751169 9 Diode, Thyrector }726150-0034
10 ..
Printed Circuit Boar<! ":. · .
N451153-7001 .
. . ,
5907, p. 22
0
10
9
0
2
03
0o E 00
DD
. ' :- ' ~ ' : " .lt. 't -,-.. ~ -- .....
3 4
E Q3 , .. ,. ·.• 0
c ·0'!: .. -: .. ·.
01 1 I·· A I
,......,.1---_---( o·.
J. . . L CJ
00 t:jJ.'. .. ,g5· •.,
·CJ·
R8 0 1
Figure 5-2. Battery Field Amplifier ( Low Power)
•·
590.1,, P• 23 :: . ".
WABCO --~ D. Control Panel
A parts list for the speed control panel follows. and is keyed to the index qum-bers of Figure 5-3. ;
ITEM PART NO. DESCRIPTION NO.
' CONTROL PANEL . .,-- . ·---·"-··-· ' --· ... UN451152-0501 '.
1 Holder, Lamp UJ107299 . 2 Lamp; 28V ( Panel Light.) '•··· UJ714241 3 Cover __ .• ··. UR451153-2802 4 Lens ! ~ :- :-
.• . UM45ll53-300l .5 Chassis
,,---, ·' - UM4511~3-3202 ··-6. . (.
.· Panei, Front UM451153-3101 .7 Meter UJ620862 8 Connector ... . .. .. .. .... , . ...... ........ -.... ..
JJJ706884 . :
9 ,. ' Pushbutton (Yellow) . .. UJ725752 ·: .. 10 Pushbutton ( Blue )
.. .. UJ725751 , •·, '
11 Lamp, 24 V ( Pushbutton) . ., ·. UJ714247 12 Switch ( Speed S'3lector.) . " .. UJ725707-.0014 13 ·Knob
' ' UJ77698
14 Plug I
UJ792424 .,
' ,.
UJ7257cf7-0015 15 Switch, 2-Pos. '( Auto-Manual ) ·· 16 Board, Component ' UN451153-4801 ..
..
..... ·~· ,.
' .. ':,;
>·
~-
5907, p. 24
CJ1 co 0 .... 'P
N). CJ1
11 9
0
0
~.
2 1
PRESS TO ACTIVATE
3
TOWER AU~.
AUTO.e MAN.
15 13
MODE
WABCD
"""""""" .
14
4
' 1.5 •
SPEED e 9 SELECT 1.0 0 •
• 4.0
5.0 0
LOCKWASHER AND NUT FURNISHED WITH MOUNTING BASE
1 2
Figure 5-3. Control"Pariel
6 5 7
~:
0
3
: ,.
•;)•·S> ••• ~
8
"· l'
~
.i·:: 1il
n 0
WABCO ·.~
·. ,-· .
. E~· Electronics Module
A parts list. for the electronics module follows and is keyed to the index numbers of Figure 5-4.
-·1TEM PART
NO. DESCRIPTION NO.
ELECTRONICS MODULE UN451152-0402 1 Power Supply UN451153-4401 ·2 Board, PRI-CIR. Voltage Regulator UN451043-5301. 3 Board, PRI-CIR. Voltage Divider UN451043-5201 4 Board, PRI-CIR. Pulse Width Generator · · UN451043-4501 5 Strip, Marker UM451153-3802 6 Board, PRI-CIR. EVAC II UN451043-6301 7 Board, PRI-CIR. Throttle Logic UN451043-580l 8 Board, PRI-CIR. Relay Driver UN451043-5901 9 "'Guide, PRI-CIR. Board UJ712069
.10 Fuse, 5 AMP 3 AG UJ71201 11 Fuse, 0. 8 AMP 3 AG UJ710llij 12 Plate, Switch UJ718014 13 Switch, Toggle UJ72765 · 14 Receptacle, MS3102A-14S-1P UJ709085 15 Receptacle, MS3102A-20-29S · UJ702555 · 16 Receptacle, MS3102A-28-16S UJ702648
17,22 Grommet UJ751114 18 Connector, 18 Way UJ703203 19 Socket, 6 Way UM331279 20 Relay, L UN436199 21 Board, Terminal UJ724024 23 Relay, L UN436200 24 Board, Terminal UM435961
F. Overspeed Option
A parts list for the overspeed option follows and is keyed to the index
number of Figure 5-4.
ITEM PART
NO. DESCRIPTION NO.
01 Voltage Regulator Board N451043-1503
02 Shaper, Limiter, and V=O Board N451043-5701
03 Speed Filter Board N451043-0924
04 Level Detector and Relay Driver Board N451043-2802
05 G. J. Relay (24VDC) N398348
5907, p. 26
(J1 \0 0 .:""'
'? ~ '1
~ 00
9 3 4567 8 01 02 03 04 11 12 ••
13
2--Ht==1Fl ~ Fl E E ~ ~ B E ~ h'f.' I; ;i1 II I ® @
® ®I ® @
II I 17 @ ® ® @I ® ®
11rl-14 ® ®
1 10 ~ITT~~~~~ u::
24
05 20 22 23 21 19
Figure 5-4. Electronics Module Parts Location
~I -~ a
·(·~
_ . ...,...,,,.,,, "\
2802 0924 5701
rro, l"rn'1 I V=O I
A A ,. B ..
rt tf c
{ p
H
N
-+- Lµ
l:J L¥ l:
150:J
Ip-:,", A
Cl
KA Al
YI
BUW
D .....
__Q_W
Al
TO POWER SUFPl Y PRC REGULATOR 28-43VOC
~ I ;119 .... tu RS Fr IA
v
.__
5901 ...R.D.
A
B
c
D
E 1#11
H
p
s
v
..__
RW
5801 ,--.. LOG
A
F
KC CONTRO~ ;
K • L • M •
KB CONTRO p
KA CONTRO s
BK #22 v
..__
R
ERROR y
RESET BRW K3
~
6301 .....-EVAC
A
'.!
..__
4501
"';:;
A
D
v
..__
RO ~ R +12v
YW K3 ..
-i.;_r w
w S I GNAL COMMON
BK -I 2V
JZJ'I .-DIV
A
K
L
v
..__
#22
fin
5301 ,--.. REG
~
c k n a18 RG ... RO
v ~I(
......_
IA MAX
g > .. ... 0 ... .. N
i
I 1 K3 I 1zv #1e RW ~ .. .., BRW
OBR ~~~~~_.:S~~~~~r--~~~~- I YW
BKW KA R_r-p~~ YW
DG
~
KS
.
r s
Clf 'BUG KA i_p3 G
KC
a: m
>(~
~ K:l BKG :• ..
A~
0 Kif'
~ YW
s BUBR KIP' GY
~ YW
aw KIP' Alf t
G
BRW
81<8 Kl Clf
GY
v
DG KIP
RGW ---,03
L.J G KIP BKO --,S5
1!.--1 YW KIP euw ---,ez~
~ G Kl BUG
v ?4 s
., ~ > 0: ..
~~B!!..._R -+-1 +I -rl _-:J1.1=i-;r"K
GW Kl ROW
~ ;1 I I I I I>-
.. > > > "' Q
0 ..
..... .. .. .. .. .. .. SECOND AND TH I RD
REMOTE LOCOMOTIVES
~ TBI
.. .. i, > m
LEAD LOCOMOTIVE
TBI
> <
_,
> 0 ~, ~, i; 1;1 :.If
~I ~1 to't
FIRST TBI REM>TE LOCOM>T JVE
~ TBI
PULSE WIDTH ,IAOOULATIOt.
72V
).. g ., "' >
y
R
KS SPEED REQUEST ~
RBKW
Ilia 72V .. .. .. :,
"I' fl L
~g .. .. :!: :,; .. z 0 0: .. .. .. Q .. :,
"' ~~ ,. a .. i ~ ., .. x
BAT NEG BK 0: <, •-i--Te2-2
K3 r~ ~~
I DI ..
"' :, K5
n OG I Al
Ki.OBR v. <
c
KIRO R I ~ ' ' 1122 I I im-,
KS
~ KJ I ~i KS
~ ~ ~ "' ",,_l I I 11 I I
1B ... <.'
TIIZ-5 1 ~ ~ fr~ jN ~~ ~1~1il..l..lil I ilol ~1 il : I !i ~ ~ .. L«ir~~~~~~~ ~ ;,: °'I .. ,~1•1,.1+1.,1 "-H"' 0 ., ., :,: ZL 2 "' ""'"' < :,:,- .,, zl 2 1" "i"'I<, \ . A )~
• tO TO AXLE TB I TO SPEEDOMETER CONTROL M009LE VEH ~g~{R~g7~,0L GENERATOR
..,
(!) (!!) POWER SUPPLY
PRE REGULATOR UN45l l 53-440 I
~ l;! ~
~~ L-,-< II);,:
... "' >
i g .,
I l;
~ z .. < .. .. ~
i g j
)
I ~ ;,: -a: .. ~
·. Tiii
Figure 5-5. Electronics Module Wiring Diagram
5907, p. 29/30
r
WABCC
WESTINGHOUSE AIR BRAKE COMPANY UNION SWITCH & SIGNAL DIVISION Swissvale Post Office, ·Pittsburgh, Pa. 15218
An American-Standard Company