Overview
The IS200TBCIH2BBC is a Contact Input Terminal Board with Group Isolation developed by General Electric (GE). It operates within the Mark VIe Distributed Control System (DCS). This board accepts 24 dry contact inputs from field devices. It delivers electrical isolation, surge protection, and noise filtering. The board supports simplex, dual, and triple modular redundant (TMR) configurations. It is widely used in gas and steam turbine control systems.
Technical Specifications
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Part Number: IS200TBCIH2BBC
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Manufacturer: General Electric (GE)
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Series: Mark VIe
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Function: Contact Input Terminal Board with Group Isolation
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Input Channels: 24 dry contact inputs
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Input Voltage: 24 VDC
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Power Consumption: 20.6 W
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Input Filter: Hardware filter with 4 ms response time
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Operating Temperature: –30°C to +65°C
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Mounting: Panel-mounted with removable terminal blocks
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Wire Gauge Support: Up to #12 AWG
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Connectors: JR1, JS1, JT1 for I/O pack; JE1, JE2 for excitation voltage
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Compatibility: Works with PDIA I/O packs; supports simplex, dual, and TMR systems
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Replacement Module: TBCIH2C
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PCB Protection: Conformal coating
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Manual Reference: GEH-6721 Volume II
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Connection Type: Cables or J-Port
