IS200TTURH1A | 24V RTD Termination H1A

Description

Product Introduction (Anti-Template)

Not every temperature sensor is the same—and this board gives you the flexibility to handle both RTDs and thermocouples on the same termination board. The IS200TTURH1A is the TTUR (Terminal Board Temperature Universal) variant for the Mark VIe system, designed as a universal temperature input board that can be configured for either RTD or thermocouple sensors. This board handles the interface between the Mark VIe controller and a mix of temperature sensor types, reducing the need for separate dedicated boards.

The ‘H1A’ designation indicates the first variant with the ‘A’ revision. The key value of the TTUR board is its universal nature—it supports both RTDs (typically Pt100, 3-wire) and thermocouples (J, K, or T types) with jumper-configurable channels. The ‘A’ revision brings improved sensor excitation and better cold junction compensation for thermocouple mode. Compared to the base IS200TTURH1, the ‘A’ offers better accuracy across both sensor types. This board is a drop-in replacement for the IS200TTURH1, with no software changes required.

Key Technical Specifications

Compatible Replacement Models

✅ Drop-in Replacement: IS200TTURH1 — The base revision without the ‘A’ suffix. Identical pinout, mounting, and software interface. The ‘A’ revision has improved sensor excitation and cold junction compensation. No software changes required.

⚠️ Software Compatible: IS200TRTDH1A — Dedicated RTD input board. Supports RTDs only—no thermocouple capability. Requires software reconfiguration if replacing a universal board. Budget 2-4 hours.

⚠️ Software Compatible: IS200TBTCH1A — Dedicated thermocouple input board. Supports thermocouples only—no RTD capability. Requires software reconfiguration. Budget 2-4 hours.

⚠️ Software Compatible: IS200TBCI1A — General-purpose analog I/O board. Requires external signal conditioning and complete hardware/software rework. Budget 8-12 hours.

❌ Hardware Incompatible: IS200TBQGH1A — Excitation termination board. Different pinout and application.

Frequently Asked Questions (FAQ)

Q: What makes the TTUR board different from dedicated RTD or thermocouple boards?

A: The TTUR is universal—each channel can be configured for either RTD or thermocouple sensors via jumpers. Dedicated boards like TRTD (RTD) or TBTCH (thermocouple) support only one sensor type. This makes the TTUR ideal for applications with mixed sensor types.

Q: What sensor types does the TTUR support?

A: The TTUR supports RTDs (typically Pt100, 3-wire configuration) and thermocouples (J, K, and T types). Each channel is configured via jumpers for the specific sensor type and thermocouple type.

Q: What improvements does the ‘A’ revision have over the base TTURH1?

A: The ‘A’ revision has improved sensor excitation for RTD mode and better cold junction compensation for thermocouple mode, resulting in better accuracy across both sensor types.

Q: Can I replace a TTURH1 board with a TTURH1A without any changes?

A: Yes. The ‘A’ is a drop-in replacement. No software changes, no wiring changes, no configuration changes.

Q: How do I configure a channel for RTD vs thermocouple?

A: Configuration is done via jumpers on the board. Each channel has specific jumper positions for RTD mode, or for J, K, or T thermocouple types. The ‘A’ revision has improved jumper labeling. Refer to the GE documentation for specific jumper settings.

Q: Is the TTUR board hot-swappable?

A: We advise against hot-swapping temperature input boards. Power down the cabinet segment before swapping.

Q: What bench testing should I do before installing a TTUR board?

A: Standard temperature input protocol with channel verification. First, visual inspection—verify jumper settings for your sensor types. Second, verify continuity. Third, for RTD channels, connect precision resistor decade boxes to simulate temperatures. For thermocouple channels, use a precision thermocouple simulator. Verify accuracy at multiple points (0°C, 100°C, 200°C). Fourth, run a 24-hour stability test at 50°C ambient.

Q: How do I verify I’m getting a genuine TTUR board?

A: Check component markings against GE documentation. Weigh the board; should be about 360 grams. Look for the GE holographic security label.

Q: What’s the expected lifespan of the TTUR?

A: With proper cabinet cooling and clean power, these boards typically run 20+ years. The universal design doesn’t introduce additional failure modes beyond dedicated boards.

Q: Where do I find the official wiring diagram for the TTURH1A?

A: GE document GEK-130554 covers the TTUR series. The H1 variant is detailed in the section specific to that configuration. Pay special attention to the jumper configuration table and the wiring requirements for both RTD and thermocouple sensors. Always cross-reference against your cabinet’s as-built drawings. Verify every channel before terminating.

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