Description
Product Overview
The IS200TDBTH6ACD from GE is a triple modular redundancy (TMR) discrete input/output terminal board designed for Mark VIe control systems. It supports DIN-rail or flat mounting and includes 24 group-isolated contact inputs with noise suppression against surge and high-frequency interference.
This board provides 12 form-C relay outputs and accepts an optional relay expansion card. It connects to three PDIO I/O packs via D-type connectors, enabling Ethernet communication with simplex or TMR controllers.
Technical Specifications
| Specification |
Details |
| Manufacturer |
GE |
| Part Number |
IS200TDBTH6ACD |
| Ordering Code |
IS200TDBTH6A |
| Series |
Mark VIe |
| Voltage |
125 Vdc |
| Current |
2.5 mA |
| Dimensions |
34 cm × 18 cm × 3 cm |
| Weight |
0.4 kg |
| Contact Inputs |
24 group-isolated |
| Relay Outputs |
12 form-C |
| Mounting |
DIN-rail or cabinet |
| Terminal Blocks |
Two sets of 48 terminals |
| Wire Gauge |
Supports #18 AWG |
| Input Connector |
JE1 3-pin Mate-n-lok® |
| Relay Expansion |
JW1 and JW2 connectors |
Installation & Configuration
Mount the IS200TDBTH6ACD with a plastic insulator on a sheet metal carrier for DIN-rail installation. Alternatively, bolt it into a cabinet using a metal assembly. Wire connections directly to TB1 and TB2 terminal blocks, with TB1 for relays and TB2 for contact inputs.
Use JE1 to supply wetting voltage and plug relay option boards into JW1 and JW2. Terminate shielded wires on a separate bracket to maintain signal integrity.
Board Versions
| Model |
Wetting Voltage Range |
TB Type |
| TDBTH2A |
16–32 Vdc |
Pluggable |
| TDBTH4A |
32–64 Vdc |
Pluggable |
| TDBTH6A |
100–145 Vdc |
Pluggable |
Applications & Compatibility
The IS200TDBTH6ACD is ideal for turbine control, industrial automation, and generator protection systems. It integrates with Mark VIe controllers and supports PDIO I/O packs for Ethernet-based control.
Use this board in environments requiring high-reliability discrete I/O, surge protection, and flexible relay output configurations. It is not compatible with single PDIO setups.
