GE IS200ISBEH2A IS200ISBEH2ABC I/O Expansion Board

The IS200ISBEH2A IS200ISBEH2ABC functions as an I/O expansion board for turbine controls. This printed circuit board belongs to the Mark VI Speedtronic series from General Electric. The IS200ISBEH2A serves as the standard version for I/O signal expansion. Its variant, the IS200ISBEH2ABC, includes a conformal coating for enhanced circuit protection. Both boards expand I/O capabilities for steam and gas turbine systems.

Core Technical Specifications

This board provides multiple digital input channels for field device monitoring. You will also find digital output channels for actuator control. The board stores minimal energy but uses capacitors for signal conditioning. Meanwhile, the backplane interface handles all power and data transfers.

Parameter	Specification
Full Model No.	IS200ISBEH2A IS200ISBEH2ABC
Manufacturer	GE Industrial Systems (General Electric)
Series	Mark VI Speedtronic
Board Category	Speedtronic Turbine Control Board
Weight	Approximately 0.32 kg
Dimensions (H x W x D)	6.0 cm x 17.5 cm x 3.0 cm
Digital Input Channels	16 channels with opto-isolation
Digital Output Channels	8 channels with relay drivers
Input Voltage Range	24 to 48 VDC
Output Type	Open collector with transient protection
Backplane Interface	VME compatible
Energy Storage	Small capacitors for signal debouncing
Coating (for ABC)	Conformal coated against moisture and dust

Installation and System Integration

Install the IS200ISBEH2A IS200ISBEH2ABC into any standard VME rack slot. The board connects directly to field devices through its front panel. Meanwhile, the backplane supplies power and communication to the board. Therefore, proper insertion ensures reliable I/O expansion performance.