Description

Brand: General Electric (GE)
Model: IS200STCIH4A
Product Name: Discrete Contact Input Terminal Board for Mark VI Speedtronic Turbine Control System
Dimensions: 330 mm × 178 mm × 30 mm
Weight: 0.42 kg
Place of Origin: United States
HS Code: 85371011

IS200STCIH4A

Nominal Operating Supply Voltage: 24 V DC
Typical Operating Current: 260 mA
Maximum Power Consumption: 6.2 W
Field-Contact Wetting Voltage: 24 V DC
Per-Channel Input Sensing Current: 3 mA typical
Key Characteristics
Provides 48 optically-isolated discrete dry-contact input channels for collecting field-device on-off status signals.
Optocoupler-based galvanic isolation separates turbine-control internal circuits from field wiring, suppressing ground-loop interference and industrial-site surge noise.
Screw-type terminal blocks are deployed for convenient field wiring of switch-contact circuits, supporting quick installation and on-site maintenance inspection.
Conformal-coated printed-circuit board enhances reliability under high-humidity, dust-prone cabinet-environment conditions.
On-board LED status indicators correspond to each input channel, offering direct visual readout of contact-closure status for rapid fault diagnosis.
Internal PTC resettable fuses provide channel-by-channel short-circuit protection to prevent board damage caused by field-wiring faults.
Designed for rack-mount installation inside control cabinets, protection rating IP20 and for indoor cabinet-use only.
Operating ambient temperature ranges from -30 °C to +65 °C; storage temperature ranges from -40 °C to +85 °C; non-condensing relative-humidity range 5 %-95 %.
High-density ribbon-connector interface establishes stable signal connection with matched Mark VI I/O processor modules.
Supports simplex and TMR triple-modular-redundant system-architecture deployment to satisfy high-availability requirements of turbine safety-interlock applications.
Complies with relevant UL and IEC industrial-equipment safety standards, native hardware compatibility with Mark VI Speedtronic control hardware without additional adaptation.
Continuously monitors input-circuit integrity, transmitting open-circuit diagnostic alarms back to the turbine-control host when wiring failures occur.

IS200STCIH4A

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