Description

GE DS200LDCCH1AMA Mark V LDCC Drive Control and LAN Communications Board

Configured for turbine control execution and LAN communication processing in GE Mark V Speedtronic systems, the GE DS200LDCCH1AMA (DS200LDCCH1A LDCC Drive Control and LAN Communications Board) provides direct physical and electrical control interface functions. The board contains a 32-bit microcontroller operating at 66 MHz, flash program storage, battery-backed RAM, and Ethernet/serial communication interfaces.

Hardware Specifications

Parameter	Specification
Model	DS200LDCCH1AMA
Brand	GE (General Electric)
Origin	United States
Product Type	Turbine Control Board
System Compatibility	GE Mark V Speedtronic
Functional Abbreviation	LDCC (Drive Control and LAN Communications)
Processor	32-bit microcontroller, 66 MHz
Execution Speed	0.2 ms per 1K logic instructions
Program Memory	2 MB Flash PROM
Data Memory	1 MB battery-backed RAM
Communication Ports	2 x Ethernet RJ-45, 1 x RS-232, 1 x RS-485
Supported Protocols	Ethernet/IP, MODBUS TCP
Power Supply	24 VDC external supply
Current Consumption	Approximately 320 mA
PCB Construction	6-layer PCB
Components	Approximately 150 components, 22 ICs
Status Indicators	6 LEDs: PWR, RUN, TX, RX, LINK, FLT
Test Points	10 gold-plated test points
Energy Storage	Lithium battery for RAM retention, approximately 3 years service life
Weight	1.36 kg
Dimensions	26 cm x 18 cm x 2 cm
Operating Temp	0 deg C to 55 deg C
Mounting	4 x M4 screw holes
Power Consumption	Approximately 7.7 W at nominal 24 VDC operation

EtherNet/IP and Mark V Control Communication Functions

The DS200LDCCH1AMA operates as an LDCC control interface within the GE Mark V Speedtronic architecture. The board manages drive control logic execution, LAN communication processing, and turbine regulation signal exchange.

The communication hardware includes dual Ethernet ports and serial interfaces for integration with industrial control networks. Firmware functions support configurable Flash PROM programming through PC connection. Hardware jumpers use Berg-type manually adjustable configurations for board setup and service operations.

Frequently Asked Questions

Q: What type of memory retention function is provided by the DS200LDCCH1AMA?
A: The board uses battery-backed RAM to retain stored data during loss of external power. The lithium battery supports approximately 3 years of retention service.

Q: Which communication interfaces are available on the DS200LDCCH1AMA?
A: The board provides two Ethernet RJ-45 ports, one RS-232 interface, and one RS-485 interface for industrial communication connections.

Q: Can the Flash PROM configuration be modified during maintenance?
A: Yes. The configurable Flash PROMs can be programmed through a PC connection when performing authorized maintenance procedures.

Field Installation Guidelines

Install the DS200LDCCH1AMA in the designated GE Mark V Speedtronic control rack position using the specified mounting hardware. Verify the 24 VDC supply polarity before connection and confirm that communication cables are routed separately from high-current power conductors.

Use shielded communication cables for Ethernet and serial interfaces where required by the installation environment. Connect cable shields according to plant grounding standards to reduce electromagnetic interference. Inspect board connectors, jumper positions, and seating alignment before system energization.

During replacement procedures, record existing jumper configurations and firmware information before removing the installed board. Confirm communication status through diagnostic LEDs after installation.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems