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GE DS200CPCAG1ABB Contactor Pilot Card

Configured for contactor pilot control, processor execution, and communication functions in the GE Mark V turbine control system, the GE DS200CPCAG1ABB (DS200CPCAG1ABB Contactor Pilot Card) provides direct physical/electrical execution for turbine control logic and connected contactor circuits.

Hardware Specifications

Parameter	Specification
Model	DS200CPCAG1ABB
Brand	GE
Origin	United States of America
Product Type	Contactor Pilot Card
Functional Acronym	CPCA
System Series	Mark V Speedtronic
Processor	Motorola 68020, 32-bit CPU
Clock Speed	20 MHz
Memory	2 MB DRAM, 512 KB SRAM, 1 MB EPROM
Non-Volatile Storage	EEPROM for configuration data
Communication Interfaces	VMEbus, RS-232, Ethernet 10 Mbps
Operating Voltage	+5 VDC, +/-15 VDC from backplane
Isolation Rating	2500 Vrms
Operating Temp	-30 to +65 deg C
Storage Temperature	-40 to +85 deg C
Humidity Range	5% to 95% RH, non-condensing
Dimensions	233 mm x 160 mm x 25 mm
Weight	0.9 kg
Response Time	Less than 10 ms control loop execution
PCB Coating	Normal Coating
Functional Revision 1	A
Functional Revision 2	B
Artwork Revision	B
Mounting Type	Single-slot VME rack mount

Firmware Compatibility and Mark V Control Processing

The DS200CPCAG1ABB operates within the GE Mark V control architecture as a CPCA board responsible for contactor pilot functions and control signal processing. The module manages processor execution, memory operations, and communication paths between the controller rack and connected turbine control hardware.

Firmware flash compatibility is required for proper board initialization. The installed firmware revision must match the Mark V hardware configuration to maintain correct execution of control routines and diagnostic functions.

Frequently Asked Questions

Q: What is the functional role of the DS200CPCAG1ABB in the Mark V system?
A: The DS200CPCAG1ABB functions as a Contactor Pilot Card, providing control processing and interface functions for contactor-related circuits within the Mark V turbine control system.

Q: What communication interfaces are supported by the CPCA board?
A: The board supports VMEbus, RS-232, and Ethernet 10 Mbps communication interfaces for system data exchange and diagnostics.

Q: What backplane power requirements apply to this card?
A: The DS200CPCAG1ABB receives operating power from the Mark V rack backplane through +5 VDC and +/-15 VDC supply rails.

Field Installation Guidelines

Install the DS200CPCAG1ABB in the designated GE Mark V VME rack slot and verify that the card connector is fully engaged before system power application.

Confirm PCB revision information and hardware configuration settings before replacement or commissioning. Route communication cables separately from high-current switching conductors to reduce electromagnetic interference.

Maintain proper chassis grounding and shield termination for connected wiring. After installation, verify processor status indicators, communication activity, and watchdog diagnostics through the Mark V control interface.

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