Description
GE IS200TBCIH1B Simplex Contact Input Terminal Board is a specialized termination module engineered specifically for the General Electric Mark VI and Mark VIe gas and steam turbine control systems. Designed to receive and condition discrete contact inputs from critical field devices, this terminal board provides reliable signal distribution across heavy-duty power generation and industrial automation architectures.
Product Specifications (Datasheet)
- Brand: GE (General Electric)
- Model: IS200TBCIH1B (Compatible with variant revisions)
- Series: Mark VI / Mark VIe Turbine Control
- Product Name: Contact Input Terminal Board (TBCI)
- Place of Origin: United States
- Lifecycle Status: Active / Standard Industrial Supply
- Dimensions: Standard Mark VIe terminal board enclosure form factor
- Weight: Approx. 2.2 lbs (1.0 kg)
- Country of Origin: USA
- Power Consumption: Passive termination board (powered via paired I/O pack electronics)
Operating Guidelines and Usage Methods
Proper integration and handling of the contact input terminal board require strict adherence to instrumentation wiring and electrical safety standards.
- ESD Precautions: Always wear a certified grounded electrostatic discharge (ESD) wrist strap when handling associated electronic I/O packs to protect sensitive internal microcircuits from static damage.
- Terminal Wiring: Ensure all incoming field dry contact signal wires are securely terminated to the proper screw or clamp blocks, adhering to correct circuit grouping.
- Shield Grounding: Terminate overall cable shields securely to the designated chassis grounding bars to prevent electrical noise and electromagnetic interference (EMI).
Power-On and Power-Off Sequence
Adhering to correct energization protocols prevents signal transients and protects digital measurement circuitry within the Mark VI/VIe architecture.
- Power-On Sequence:
- Confirm that all field contact wiring and backplane connectors are correctly and securely terminated to the IS200TBCIH1B board.
- Plug the compatible Mark VIe digital input I/O pack firmly into the board interface and secure the locking mechanisms.
- Switch on the primary cabinet power distribution feeds and check operator workstation software to confirm normal module communication and channel status.
- Power-Off Sequence:
- Safely take the affected discrete monitoring loops offline via the operator workstation software.
- Power down the system rack distribution feeds if complete electrical isolation is required prior to maintenance.
- Allow circuits to de-energize before unseating the plug-in I/O pack from the terminal board.
Product Instructions
The terminal board serves as the permanent mechanical and electrical termination point for field digital contacts, routing status signals to the plugged I/O pack for processing. Perform routine inspections of terminal screw torques and wiring harnesses during scheduled maintenance windows to prevent loose connections or intermittent status errors.
Frequently Asked Questions (Q&A)
- Q: What system is the IS200TBCIH1B board designed for?
- A: It is utilized as a core contact input termination module within the GE Mark VI and Mark VIe distributed control architecture.
- Q: Can the plugged I/O pack be replaced without disconnecting field wiring?
- A: Yes, the modular design allows the electronic I/O pack to be removed or replaced without disturbing the field wires attached to the terminal board blocks.
- Q: What should I check first if a contact input channel fails to register?
- A: Verify field wiring and terminal tightness, check input power or loop voltage, and ensure the paired I/O pack is securely seated.
Recommended Alternative Series and Models
- GE Mark VIe IS220PTCCH1A
- GE Mark VIe IS200VPROH1B
- GE Mark VI IS200VAICH1A
- GE Mark VI IS200TVIBH2B
- GE Mark V DS200TCQAG1AFC
- GE EX2100 IS200EPSMG1A
- GE Fanuc IC695ALG608
- GE Fanuc IC697ALG230
- GE Multilin 469
- GE Multilin 850


