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High-Density Termination for Digital I/O Signals
The GE IS200TDBTH6A IS200TDBTH6AAA terminates a large number of discrete field signals. This terminal board belongs to the Mark VI series from General Electric. It provides organized connection points for digital inputs and outputs. Therefore, it eliminates messy point-to-point wiring inside the control cabinet.
Physical Dimensions and Panel Mounting Details
This discrete terminal board measures 24 cm in width, 18 cm in height, and 4 cm in depth. The GE IS200TDBTH6A IS200TDBTH6AAA weighs approximately 0.58 kg, which supports stable DIN rail mounting. Its large surface area accommodates numerous terminal blocks. Consequently, you can connect all digital signals in a single location.
Connector Layout and Component Configuration
The GE IS200TDBTH6A IS200TDBTH6AAA features three 34-pin ribbon cable headers for rack interface. It also provides thirty-two 2-pin screw terminal blocks for field wiring. This board contains thirty-two transient suppression diodes for overvoltage protection. Additionally, it includes sixteen energy storage capacitors for signal filtering.
| Technical Parameter | Specification |
|---|---|
| Full Model Name | GE IS200TDBTH6A IS200TDBTH6AAA |
| Manufacturer | General Electric (GE) |
| Series | Mark VI / Speedtronic |
| Product Category | Turbine Control System Discrete Terminal Board |
| Weight | 0.58 kg (1.28 lbs) |
| Dimensions (W x H x D) | 240 mm x 180 mm x 40 mm |
| Ribbon Cable Headers | 3 x 34-pin |
| Field Terminal Blocks | 32 x 2-pin (screw type) |
| Transient Suppression Diodes | 32 units |
| Energy Storage Capacitors | 16 units (100 µF each) |
| Total Capacitance | 1,600 µF |
| Maximum Terminal Current | 3 A per block |
| Voltage Rating | 250 VAC / 300 VDC |
| Signal Types Supported | Discrete inputs, relay outputs |
| Operating Temperature | –25°C to +70°C |
Energy Storage and Signal Protection Performance
The GE IS200TDBTH6A IS200TDBTH6AAA stores sufficient energy for noise filtering. Its sixteen capacitors provide 1,600 µF of total capacitance. This storage filters high-frequency noise from discrete signal lines. Furthermore, the suppression diodes clamp voltage spikes at 30 VDC, protecting the main rack electronics.
Role Within the Mark VI Speedtronic System
You will typically find the GE IS200TDBTH6A IS200TDBTH6AAA mounted near the turbine digital I/O panel. It connects to the main rack via three shielded ribbon cables. Moreover, this board supports both 24 VDC and 48 VDC signal levels. Its thirty-two terminal blocks accept wiring from limit switches, pushbuttons, relay contacts, and solenoid valves.
Installation and Wiring Guidelines
Use the GE IS200TDBTH6A IS200TDBTH6AAA as a direct replacement for older TDBT revisions. Always disconnect field power before terminating any wires. This terminal board requires no external power supply for passive signal paths. It needs no configuration jumpers or special tools. Simply secure the board with four mounting screws and connect your field cables to the appropriate terminal blocks.