PRC-100

Proprietary and Confidential

Basic Components

Controller Board and Power Distribution Boards (Small Footprint)

.2© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Controller Board

1 Ohm, 250 1 Ohm, 250 watt Current watt Current

Limiting Limiting ResistorResistor

J8

.3© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Controller Board

Combines the old Power Supply, Interface Board and Power Module into one assembly

.4© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

TX TX + -+ -

GNDGND

+12 +12 VDCVDC GNDGND Comms - Comms -

+ +

Power InPower In GNDGNDPower Power

OutOut ReturnReturn

RX RX + -+ -

Controller Board

Network Connection

Current Loop Current Loop CommunicationsCommunications

Output Board Output Board Power and Power and

CommunicationCommunication

Rapper and Control Rapper and Control Power In /Output Board Power In /Output Board

Rapper PowerRapper Power

.5© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Rapper Output Power Jumpers

Reverse Polarity • J5-3 to J5-1 • J5-4 to J5-2

AC • J5-7 to J5-1• J5-8 to J5-2

DC • J5-5 to J5-1• J5-6 to J5-2

1

J5J511 22 4433 88776655

Note: These jumpers are typically factory set

.6© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Power Distribution Board – “Small Footprint”

These boards will be mainly used for Retrofit of older PRC-100 Card Cages. The Connectors from the old TRIAC cards will fit into the new connectors without having to re-wire.

.7© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Power Distribution Board J1 - Rapper Outputs 1-8

J2 - Rapper Outputs 9-16

-- + ++12 +12 VDCVDC GNDGND -- + +

+12 +12 VDCVDC GNDGND

11 22 4433 88776655

J3-1(+) and 2(-): RS485 Comm (from Previous)

J3-3(-) and 4(+): RS485 Comm (to next)

J3-5: + 12VDC (from Previous)

J3-6: Ground (from Previous)

J3-7: + 12VDC (to next)

J3-8: Ground (to next)

1122

44

88776655

Power InPower InPower OutPower Out

33

99

1111

1616151514141313

Power InPower InPower OutPower Out

1212

88

.8© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Hexadecimal Hexadecimal Address Address SwitchSwitch

Proprietary and Confidential

Power Distribution Board – “Standard”

These boards will be mainly used for Retrofit of existing Rapper controls and in B&W PGG Supplied PRC-100 cabinets.

Hexadecimal Hexadecimal Address SwitchAddress Switch

Hexadecimal Hexadecimal Address SwitchAddress Switch

.9© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Power Distribution Board – “Standard”

TB-1 - Rapper Outputs 1-8

TB-2 - Rapper Outputs 9-16

-- + ++12 +12 VDCVDC GNDGND -- + +

+12 +12 VDCVDC GNDGND

TB4-1(+) and 2(-): RS485 Comm (from Previous)

TB4-3(-) and 4(+): RS485 Comm (to next)

TB4-5: + 12VDC (from Previous)

TB4-6: Ground (from Previous)

TB4-7: + 12VDC (to next)

TB4-8: Ground (to next)

TB3-1: Rapper Power (from Previous)

TB3-2: Rapper Return (from Previous)

TB3-3: Rapper Power (to next)

TB3-4: Rapper Return (to next)

PWR RTNPWR RTN PWR RTNPWR RTN

TB1-1,3,5,7,9,11,13,15: To Rapper

TB1-2,4,6,8,10,12,14,16: From Rapper

TB2-1,3,5,7,9,11,13,15: To Rapper

TB2-2,4,6,8,10,12,14,16: From Rapper

.10© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Rapper Enclosure

Typical Rapper enclosure showing 2 Controller boards and 10 Distribution boards

.11© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Typical PRC Wiring – Standard and Small Footprint Power Distribution Board

.12© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Old vs. New

Card Cage Controller Board

.13© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Old vs. NewPower Supply Interface Board Power Module

Controller Board

.14© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Proprietary and Confidential

Old vs. NewRelay BoardTRIAC Board SSIO Board

Power Distribution Board

StandardSmall Footprint

.15© 2010 Babcock & Wilcox Power Generation Group, Inc. All rights reserved.

Questions?

Thank you.