Description
🔹 Product Description
The GE IS210DTRTH1A is a DIN-rail-mounted terminal board from the GE Speedtronic Mark VI turbine control family. The DTRT functional designation identifies it as a trip transition board that provides the interface between VTUR turbine I/O boards and DRLY relay boards. It is designed for DIN-rail installation and uses a compact terminal-board assembly with a conformally coated PCB.
The supplied assembly is identified as IS210DTRTH1AA. The DTRT board provides two VTUR-side 37-pin connections and one DRLY-side 37-pin connection, supporting up to six trip relay circuits. It also includes a three-screw Euro-style terminal block for SCOM/chassis-ground connections. The Mark VI system documentation specifies that the DTRT board is used where the VTUR-to-DRLY trip interface is required, including applications using only one VTUR board.
🔹 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | General Electric (GE) |
| Model | IS210DTRTH1A |
| Assembly Number | IS210DTRTH1AA |
| Series | Mark VI Speedtronic |
| Product Name | Rail Mount Fuel Control / Trip Transition Board |
| Functional Acronym | DTRT |
| Board Type | DIN-Rail Mounted Compact Terminal Board |
| VTUR Connections | 2 × 37-pin D-type |
| DRLY Connection | 1 × 37-pin D-type |
| Relay Interface | Up to 6 trip relay circuits |
| Ground Connection | 3-screw SCOM / chassis-ground terminal |
| Mounting | DIN Rail |
| PCB Coating | Conformal Coating |
| Place of Origin | USA |
| Product Status | Legacy Industrial Control Board |
| Dimensions | Verify actual unit |
| Weight | Verify actual unit |
| Power | System-dependent |
| Discontinued | Legacy product; verify current production status |
🔹 Common Questions & Answers
Q: What is the GE IS210DTRTH1A used for?
A: It is a DTRT trip transition board used to interface VTUR turbine I/O boards with DRLY relay boards in compatible GE Mark VI systems.
Q: What does DTRT stand for?
A: DTRT identifies the Trip Transition Board function within the Mark VI turbine control architecture.
Q: What is the difference between IS210DTRTH1A and IS210DTRTH1AA?
A: IS210DTRTH1A is the functional board designation, while IS210DTRTH1AA is the associated assembly-level part number/revision designation.
Q: How many VTUR connections are provided?
A: The board has two 37-pin connectors for VTUR-side cables. Each VTUR connection can provide three trip-relay circuits.
Q: How many DRLY relay circuits can the board interface?
A: The DTRT architecture supports up to six DRLY relay circuits in total.
Q: Is the IS210DTRTH1A DIN-rail mounted?
A: Yes. The board slides into a plastic mounting holder designed for DIN-rail installation.
Q: Does the board have jumpers or hardware configuration switches?
A: The Mark VI system documentation indicates that the DTRT terminal board has no jumpers or hardware settings.
Q: Is this board a fuel-control processor?
A: The supplied listing describes it as a rail-mount fuel-control board, but GE documentation identifies the DTRT function specifically as a trip-transition interface between VTUR and DRLY. The exact application should therefore be confirmed from the system drawings and board labels before replacement.
Q: What should be checked before replacement?
A: Verify the complete IS210DTRTH1A / IS210DTRTH1AA number, VTUR and DRLY hardware, three 37-pin connections, SCOM wiring, DIN-rail mounting arrangement, and the existing Mark VI system configuration.
Q: What safety precautions are required?
A: De-energize and isolate the turbine control cabinet and associated trip circuits before removing or installing the board. Follow applicable GE maintenance procedures and use appropriate ESD precautions when handling the PCB.
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