DS200TCRAG1A GE Fanuc Mark V Relay Output Board
Manufacturer: GE Fanuc
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Part Number: DS200TCRAG1A
Condition：New with Original Package
Product Type: Digital I/O Cards
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE DS200TCRAG1A Mark V Relay Output Board
The GE DS200TCRAG1A, also cataloged as the DS200TCRA Relay Output Board, operates as a dedicated hardware component for relay output execution, alarm switching, and trip circuit actuation within GE Mark V Speedtronic turbine control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCRAG1A |
| Brand | General Electric (GE) |
| Origin | USA |
| Weight | 0.68 kg |
| Dimensions | 304.8 mm x 152.4 mm x 38.1 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard backplane draw |
| Revision Level | G1A |
| Functional Acronym | TCRA |
| Relay Configurations | Form-A and Form-C contact outputs |
| Control Signals | 24 VDC nominal control voltage |
| PCB Coating | Normal coating |
| System Compatibility | Speedtronic Mark V |
| Mounting Type | Rack-mounted |
Backplane Bus Communication Velocity and Firmware Compatibility
The module receives discrete switching commands via the Mark V rack interface, driving onboard relays to trigger field actuators, turbine trips, and annunciator channels. High backplane bus communication velocity guarantees deterministic signal propagation from the main controller cards to the output relays during critical fault conditions. Rigorous firmware flash compatibility checks prevent output state conflicts and ensure consistent logic execution across system card revisions.
Frequently Asked Questions
Q: How do the Form-A and Form-C relay contact outputs behave during power loss?
A: Form-A contacts revert to their open state, while Form-C contacts toggle back to their default normally closed (NC) and normally open (NO) positions. This physical coil de-energization enforces a safe fail-state when 24 VDC control power drops.
Q: What precautions must technicians take to prevent inductive arc damage across the relay contacts?
A: Connect external flyback diodes across DC inductive loads or RC snubbers across AC actuator coils directly at the field terminal blocks. This suppresses voltage spikes caused by magnetic field collapse during rapid contact opening.
Q: Is this relay board hot-swappable while the turbine control system is active?
A: Live removal or insertion is prohibited due to potential false trip generation and contact arcing across backplane pins. You must de-energize power feeds to the rack slot and isolate field trip loops prior to board replacement.
Field Installation Guidelines
Slide the board into its assigned rack slot using card edge guide channels to avoid physical damage to surface-mount components. Tighten all retaining fasteners to guarantee a continuous earth ground path to the main enclosure chassis. Separate 24 VDC relay contact output wiring from sensitive low-level sensor cables in distinct wire ducts to prevent transient inductive coupling. Verify contact rating limits before connecting high-current field actuators to prevent relay welded-contact failures.