Overview
GE IS200TDBTH2A Mark VI Discrete Terminal Board
Configured for discrete signal termination and relay interface execution in the GE Mark VI control system, the GE IS200TDBTH2A (IS200TDBTH2A Discrete Terminal Board) provides direct physical and electrical execution for field I/O connections.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200TDBTH2A |
| Brand | General Electric (GE) |
| Series | Mark VI / Speedtronic |
| Product Type | Discrete Terminal Board |
| Origin | USA |
| Weight | 0.7 kg |
| Dimensions | 33 x 18.2 x 3.2 cm |
| Power Consumption | Supplied by Mark VI control system |
| Mounting Strategy | DIN Rail Mount |
| Revision Level | A-Rated Functional Revision |
| Mark Series Grouping | Second Group |
| Unique VDC Rating | 24 VDC |
| Discrete I/O Voltage | 48 VDC |
| Discrete Contact Inputs | 24 group isolated inputs |
| Relay Outputs | 12 Form-C relay outputs |
| PCB Protection | Conformal PCB coating |
| Tariff Code | 8537101190 |
GE Mark VI I/O Architecture and Backplane Integration
The IS200TDBTH2A operates as a discrete signal interface component within the GE Mark VI Speedtronic platform. The board terminates field wiring and transfers discrete input and relay output signals between external devices and the controller interface.
Furthermore, the Mark VI architecture uses structured I/O grouping to maintain deterministic signal processing between terminal boards, controllers, and connected field equipment. The IS200TDBTH2A supports I/O density scaling through its 24 isolated contact inputs and 12 relay output channels.
The board design includes conformal PCB coating across the complete circuit assembly. This coating protects electronic traces and components against industrial environmental conditions while maintaining compatibility with GE Mark VI hardware configurations.
Frequently Asked Questions
Q: What type of signals does the GE IS200TDBTH2A process?
A: The IS200TDBTH2A processes discrete field signals through 24 group isolated contact inputs and provides 12 Form-C relay output channels.
Q: Is the IS200TDBTH2A compatible with GE Mark VI systems only?
A: The IS200TDBTH2A is designed specifically for GE Mark VI Speedtronic control system applications and follows the electrical interface requirements of this platform.
Q: What is the purpose of the conformal coating on this terminal board?
A: The conformal coating covers the complete PCB assembly to provide additional protection for board circuits and electronic components.
Field Installation Guidelines
Install the IS200TDBTH2A according to the GE Mark VI hardware installation procedures. Verify terminal assignments before connecting field wiring to prevent incorrect discrete signal mapping.
Use proper grounding methods for the control cabinet and maintain separation between signal wiring and high-voltage power conductors. Confirm that the 24 VDC and 48 VDC discrete circuits match the configured I/O requirements before energizing the system.
Check connector seating, terminal tightness, and cabinet mounting conditions during installation. Follow GE documentation for controller communication interfaces and system commissioning procedures.














