Overview
The IS200TBCIH2C is a Contact Input Group Isolation Terminal Board from General Electric (GE). It integrates dry contact inputs with Mark VI and Mark VIe turbine control systems. The board ensures electrical isolation, surge protection, and noise filtering for reliable turbine management. It supports gas and steam turbine applications within GE’s Speedtronic series. This design enhances control system safety and signal integrity.
Technical Specifications
-
Model: IS200TBCIH2C
-
Manufacturer: General Electric (GE)
-
Series: Mark VI / Mark VIe / Mark VIeS
-
Function: Contact Input Group Isolation Terminal Board
-
Input Type: 24 dry contact inputs
-
Nominal Voltage: 24 VDC
-
Current Load:
-
First 21 inputs: 2.5 mA each
-
Last 3 inputs: 10 mA each
-
Terminal Blocks: 2 barrier-type blocks (TB1, TB2) with 24 screw connections
-
Wire Gauge Support: Up to #12 AWG
-
Cable Connectors: 3 × DC-37 female connectors (JR1, JS1, JT1)
-
Power Connectors: 2 × plug connectors (JE1, JE2)
-
Mounting: DIN rail or panel-mounted
-
Noise Protection: High-frequency filters and surge suppression on each input
-
Diagnostic Capability: Monitors excitation voltage; alerts if below 40% nominal
-
Hardware Settings: No jumpers or configurable settings
-
PDIA I/O Packs Supported: One to three
-
Total Screw Connections: 24
