davr_2805
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Technical Training programme on
DAVR - Modules
Keshav Kishore Sharma/Engineer-SAE
BHEL-EDN, Bangalore-560026
PROCESS
CONTROL
ROOM
BINARY
OUTPUT
BINARY
INPUT DIGITAL
INPUT/
OUTPUT
MICROTERMINALCPU
POWER
SUPPLY
AC-DC
POWER
SUPPLY
CRU bus
CONSTITUENT BLOCKS OF DAVR
V&I
MEASURE
INTERRUPT
GENERATOR
FIRING
CONTROL
ANALOG
INPUT/OUTPUT
PULSE
AMPLIFICATION
SUPPLY
DC-DC
CRU bus
Technical Training Programme on DAVR - Modules
CPU module 69203DB1AA(UN0660)
• Processor – 16 bit, TMS9995 (Texas Instruments) at 12Mhz.
• Memory Organization:
BLOCK RANGE APPLICATION
V E000-FFFF RAM/NOVRAM
IV C000-DFFF EEPROM,TIMER,INPUT/OUTPUT
III A000-BFFF EPROM
II 8000-9FFF EPROM
I 0000-7FFF EPROM
• Serial Interface - RS232/RS422 (Programmable)
• Digital Inputs – 6 (TTL level), 10 (HCMOS), 7 (24 Volts)
• Digital Outputs – 9 (TTL Level), 14 (HCMOS), 4 (24 Volts)
• I/O BUS – With CRU addressing 2048 bits can be addressed. Each bit corresponds to an Address.
I 0000-7FFF EPROM
Technical Training programme on DAVR - Modules
CPU module 69203DB1AA(UN0660)
Technical Training programme on DAVR - Modules
Interrupt Generator module 69203GB1AA(UN0661)
• Measures Generator voltage (7Vdc at 3 x 22Vac(line) input)
• Measures Generator current (7Vdc at 3 x 5Vac input)
(4.2Vdc at 3 x 3Vac input)
• Measures Sync voltage (7Vdc at 3 x 22Vac(line) input)
• Conditions Field Current (3Vdc nominal)
• Generates 12 interrupts per Cycle (sync to R-phase signal)
• Generates 12 interrupts per 20ms (during free run condition)
• Monitors frequency and voltage level of actual output.
• Monitors Program execution in CPU• Monitors Program execution in CPU
• Monitors Interrupt rate.
• Monitors Internal clock.
• Digital Inputs – 5 (24 Volt), 6 (HCMOS)
• Digital Outputs – 16 (HCMOS), 2 (24 Volts)
• Power supply: +5V, ±15V, +24V
Technical Training programme on DAVR - Modules
Interrupt Generator module 69203GB1AA(UN0661)
Technical Training programme on DAVR - Modules
Digital I/O module 69203NB1AA(UN0662)
• Digital Inputs – 16 (24V) Static inputs.
• Digital Inputs – 16 (24V) Programmable as Pulse/Static inputs.
• Digital Outputs: 32 (24V)
• Self monitoring of the module.
• Module selection through 2 x 6-bit address Switch.
(One switch for I/P address and Other for O/P)
• Power supply: +5V, +24V • Power supply: +5V, +24V
Technical Training programme on DAVR - Modules
Digital I/O module 69203NB1AA(UN0662)
Technical Training programme on DAVR - Modules
Digital Firing & control card 69203DU1xA(UN0663-xxx)
Processor – 16 bit, TMS9995 (Texas Instruments) at 12Mhz.• Processor – 16 bit, TMS9995 (Texas Instruments) at 12Mhz.
• Memory – 32 Kbytes Program memory (EPROM)
• Digital Inputs – 16 (24 Volts)
• Digital Outputs – 8 (24 Volts)
• Analog inputs – 3 (Bipolar ±10V)
• Analog Outputs – 1(Bipolar ±10V)
• Measures synchronizing input.
• Generates 6 firing pulses(angle 10°min to 170°max according to Control input with frequency compensation (10 Hz to 180Hz for rated freq of 50, 75, and 150Hz and 10 to 1.1x rated freq for rated freq >=300Hz).10 to 1.1x rated freq for rated freq >=300Hz).
• Control input as analog or Digital(selected thro 6 bit add. Switch)
• Controlling action selectable as Uc/If and Internal/external.
• Pulse blocking if any of the pulse is shorted to GND/other pulse.
• Reference value generator selectable as internal and external.
• Follow-up control with the additional reference value input.
• Power supply: +5V, ±15V, +24V
Technical Training programme on DAVR - Modules
Digital Firing & control card 69203DU1xA(UN0663-xxx)
Technical Training programme on DAVR - Modules
DAVR- Analog I/O module 69203NA1AA(UN0610)
• Analog inputs - 16 (common mode)
- 8 (differential mode)
• Input range - 0 to +10V or ±10V (selectable)
• 6 channels used as sample and Hold inputs.
• Analog Outputs - 2 (0 to 10V or ±10V; Selectable)
• Module selection through 2 x 6 bit address switch.
(One switch each for I/P and O/P addresses)(One switch each for I/P and O/P addresses)
• Self checking for functioning of A/D and D/A Converters
• Power supply: +5V, ±15V, +24V
Technical Training programme on DAVR - Modules
DAVR- Analog I/O module 69203NA1AA(UN0610)
Technical Training programme on DAVR - Modules
Alarm Indication module 69203SV1AA(UN0665)
• No of Channels – 32 (LED indication)
• Module selection through 6 bit address switch.
• Module can be used as Master or Slave.
• Power supply: +5V
Technical Training programme on DAVR - Modules
Current Flow Monitor module 69203SJ1AA(UN0667)
• Used in Excitation Monitoring system only.
• Checks for the conduction of the Thyristor within 1 ms time after giving the firing Pulse.
• Monitors up to 2 Thyristor Bridges.
• Failure of each Thyristor is indicated by lighting a corresponding LED on the Front Panel of the module.
• Master and Slave operation.
• Self testing of the firing pulse inputs and internal timing circuit. On failure of any • Self testing of the firing pulse inputs and internal timing circuit. On failure of any firing pulse or timing circuit, entire monitoring is blocked.
• Module selection is through 4 bit address switch
• Power supply: +5V, ±15V, +24V
Technical Training programme on DAVR - Modules
Micro terminal module 69203TB2AA(UNS2660)
• Used for data communication with CPU module
• Displays 4 lines of Hex or Decimal Data on LCD (4 x 16 char)
• Identifies automatically the target CPU.
• Data read memory range: 0000H to FFFFH
• Data write memory range: Depends on the target CPU module.
• 4 analog signals corresponding to the 4 Hex data displayed are available at 4 test points.
• Gets 24Vdc supply from the target CPU.
• RS232 printer Output port.• RS232 printer Output port.
• 5 x 6 matrix keypads with de-bounce arrest circuit.
• 12 keys with dual function with the help of Shift key.
• Power supply: 24Vdc
• Failure of communication with CPU module is indicated by ‘Transfer Error’ with periodic checking for communication.
Technical Training programme on DAVR - Modules
DAVR – AC-DC Supply module 69203PZ1A(UNC4664)
• Input: 82Vac- 165Vac(±10%), 12.3A max
110Vdc to 250Vdc (±25%),,15A max
• Output: 82Vdc to 312Vdc , 13A max
Technical Training programme on DAVR - Modules
DC-DC Power supply module 69203PY1AA(UN0664)
• Input : 110Vdc(82V - 156V), 1.7A(2.3A - 1.2A)
220Vdc(165V-312V), 0.85A (1.13A – 0.6A)
• Output: +5V(5.0V to 5.2V) ,5A, 0.3A Base load.
±15V(± 14.21V to ± 15.8V), ± 1.0A, ±0.1A Base load
+24V(22.8V to 26.4V), 4.0A, 0.2A Base load
• Over voltage monitoring : 5.5 V on 5V output (instant tripping)
• Under Voltage monitoring :4.7V, ±13.9V, 21V (Trips after 10 s)
• Remote shutdown facility.• Remote shutdown facility.
• Parallel connection of 2 modules with current balancing.
Technical Training programme on DAVR - Modules
DC-DC Power supply module 69203PY2AA
• Input : 110Vdc(60V - 156V), 1.7A(3.0A - 1.2A)
• Output: +5V(5.0V to 5.2V) ,5A,
±15V(± 14.21V to ± 15.8V), ± 1.6A,
+24V(22.8V to 26.4V), 4.0A
• Under Voltage monitoring : 4.7V, ±13.9V, 21V (Trips after 10 s)
• Parallel connection of 2 modules with current balancing.
Technical Training programme on DAVR - Modules
DC-DC Power supply module 69203PY2BA
• Input : 220Vdc(100V - 375V), 1.7A(1.8A - 0.5A)
• Output: +5V(5.0V to 5.2V) ,5A,
±15V(± 14.21V to ± 15.8V), ± 1.6A,
+24V(22.8V to 26.4V), 4.0A
• Under Voltage monitoring : 4.7V, ±13.9V, 21V (Trips after 10 s)
• Parallel connection of 2 modules with current balancing.
Technical Training programme on DAVR - Modules
V and I measuring module 69203IA1AA(UNC4660)
• Input Voltage: Generator, synchronizing & a spare
• Rated Input: 3x100Vac .. 120Vac(Generator and synchronizing)
1x100Vac .. 120Vac(spare)
• Input voltage range: 0 to 130% of rated
• Input Frequency range: 80 to 120% of rated
• Input Current: Generator Current, Field Current
• Rated Input: 3 x 1A or 5A(Generator); 2 x 1A or 5A(Field)
• Rated Frequency: 50 - 400Hz,
• Input Current range: 0 to 150% of rated• Input Current range: 0 to 150% of rated
• Input Frequency range: 80 to 120% of rated
• Output Voltage: 3 x 20..24Vac (Generator and Synchronizing)
1 x 20.. 24Vac(Spare)
• Phase Error input/output <1°el
• Output Current: 3 x 3Vac (Generator)
1 x 3Vdc (Field)
Technical Training programme on DAVR - Modules
Binary Input module 69203IBxAA(UNC4661)
• No of Channels: 16
• Input voltage: 24V, 48V, 110V, 125V, 220V, 250V
(selectable through input resistance value)
• No of outputs: 16
• Output Voltage: 20Vdc to 23Vdc at 10ma load.
• Isolation: Input to Input : 2KVac for 1 Min
Input to Output: 2.5KVac for 1 Min
• Power supply 24Vdc.• Power supply 24Vdc.
Technical Training programme on DAVR - Modules
Binary Output module 69203OB1AA(UNC4662)
• No of Channels: 16
• Input voltage: 20V to 23Vdc, 6mA
• Output Relay Contact rating: 250Vac/dc, 2A
• Isolation: Output to Output : 2KVac for 1 Min
Input to Output: 2.5KVac for 1 Min
• Power supply 48Vdc.
Technical Training programme on DAVR - Modules
AC/DC Power Supply Module:CE69133390 (KX9170)
• Converts 110Vdc/120Vac into +48Vdc @4A
• Input voltage: 84Vac to 145Vac (75Vdc to 160Vdc)
• Output Voltage: +48Vdc rated.
• Under Voltage Monitoring : <=43Vdc
• Under Voltage Monitoring Relay: NO contact will be closed.
Technical Training programme on DAVR - Modules
Pulse Intermediate Stage (CE69143350, UN 0096)
• Amplifies the output pulses of 6 pulse control sets
• Potential of output pulses is separated from the one of input pulses by pulse
transformers.
• The output pulses can be blocked.
• Power supply: 15V
Technical Training programme on DAVR - Modules
Pulse output stage (CE69138930, UN0097)
• Amplifies pulses of the intermediate stage to required level for triggering power
thyrsistors
• It comprises of 6 identical 48V output stages.
• Each stage can trigger upto 4 parallel or series Thyristor
• Blocking logic is provide to block the pulses.
• Power supply 48V,10V
Technical Training programme on DAVR - Modules
Potential separation stage (CE69136570, UN0099)
• It matches 6 positive input pulses supplied by intermediate pulse stage
• Isolation is provided between output and input pulses by Opto-coupler.
• Power Supply 15V
Technical Training programme on DAVR - Modules
Memory card ( 69203YV1AA , CT370)
• It contains four identical functions for storage of signals
• The output of memory module are mutually antivalent
• Power supply: 24V
Technical Training programme on DAVR - Modules
Command input module ( 69203YB1AA ,UNS2661)
• Serves to local operation of excitation system.
• Provided with push-button switches for providing inputs
• Input voltages :21-26V
• Output voltages :21-26V
Technical Training programme on DAVR - Modules
Pulse supervision module (CE69111070,UN 0053)
• For functional supervision of Six firing pulses
• Gives indication on continuous or periodical failure of one or more pulses.
• Power supply :15V, -15V
Technical Training programme on DAVR - Modules
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