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GE DS200LDCCH1ANA-W01 Drive Control CPU Board

The GE DS200LDCCH1ANA-W01, also cataloged as the DS200LDCCH1ANA Drive Control CPU Board, operates as a dedicated hardware component for drive processing, SCR firing control, and real-time motor coordination within GE Mark IV LCI control systems.

Hardware Specifications

Parameter	Specification
Model	DS200LDCCH1ANA-W01
Brand	GE
Origin	United States
Dimensions	Standard GE Mark IV form factor
Operating Temp	0 deg C to 50 deg C
Power Consumption	Approximately 15 W at 24 VDC
Product Type	Drive Control CPU Board
System Platform	GE Mark IV LCI static starter system
Processor	Dedicated drive control CPU
Memory	NVRAM with battery backup
Input Voltage	24 VDC nominal (18-32 VDC range)
Communication Interface	QDII bus board-to-board communication
Bus Architecture	MARK IV / QDII bus protocol
Battery Backup	3.6 V lithium thionyl chloride replaceable battery
Diagnostic Interface	Power, Run, Fault, and Communication LEDs
Firmware Update	GE proprietary loader via QDII bus

Firmware Flash Compatibility and QDII Bus Control

The DS200LDCCH1ANA-W01 integrates a dedicated processor environment for GE Mark IV LCI control functions. The board executes motor control calculations, SCR firing angle management, and drive sequence coordination through the QDII communication bus. Firmware compatibility is revision dependent, and the W01 suffix identifies a specific hardware and firmware configuration for supported Mark IV LCI installations.

The onboard NVRAM retains configured parameters during power interruption through a battery-backed memory circuit. The diagnostic LED indicators provide direct hardware status feedback for processor operation, fault conditions, and communication activity.

Frequently Asked Questions

Q: What communication method is used by the DS200LDCCH1ANA-W01?
A: The board communicates through the GE MARK IV QDII bus architecture for board-to-board data exchange within LCI control assemblies.

Q: Does the board retain configuration data after power loss?
A: Yes. The DS200LDCCH1ANA-W01 uses NVRAM with a replaceable 3.6 V lithium thionyl chloride battery backup to maintain stored parameters.

Q: What power supply is required for this CPU board?
A: The board operates from a 24 VDC supply input with an operating range of 18-32 VDC.

Field Installation Guidelines

Install the DS200LDCCH1ANA-W01 in the designated GE Mark IV LCI rack position with the correct backplane alignment before applying power. Verify connector engagement and inspect the board edge contacts for contamination or mechanical damage.

Use proper cabinet grounding practices to reduce communication interference. Signal and communication wiring should be routed separately from high-current SCR power conductors. Shielded communication cables should maintain continuous shield bonding according to cabinet grounding standards.

Before firmware loading or board replacement, confirm revision compatibility between the CPU board, control cabinet configuration, and installed application firmware. Maintain battery condition to preserve NVRAM parameter storage.

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