IS200TTURH1BBA | New Surplus GE TTUR PCB

Description

Product Introduction (Anti-Template)

The ‘BBA’ suffix on this universal temperature board adds a component variant to the enhanced ‘B’ revision platform—another configuration where GE made specific component selections that may affect performance or longevity. The IS200TTURH1BBA is a TTUR series board with the improved RTD excitation and cold junction compensation of the ‘B’ revision, combined with the ‘BA’ variant-specific component selection.

What does ‘BBA’ mean in practice? The ‘BA’ portion typically indicates component substitutions—often different precision resistors, reference components, or connectors driven by supply chain changes or customer requirements. The board retains all functional characteristics of the standard TTURH1B (enhanced excitation, improved CJC, better filtering) but may have slightly different accuracy, temperature coefficient, or long-term stability depending on the substituted parts. If you’re replacing an existing ‘BBA’ board, match the suffix. If you’re substituting a standard ‘B’ for a ‘BBA’, verify the component differences with GE documentation or your OEM.

Key Technical Specifications

Compatible Replacement Models

✅ Drop-in Replacement: IS200TTURH1B — The standard ‘B’ revision. Identical pinout, mounting, and software interface. The ‘BBA’ uses different component selections. Most applications won’t see a difference.

✅ Drop-in Replacement: IS200TTURH1A — The ‘A’ revision. Direct hardware match. The ‘B’ revision (including ‘BBA’) has enhanced excitation and better CJC.

⚠️ Software Compatible: IS200TRTDH1A — Dedicated RTD board. No thermocouple capability. Requires software reconfiguration. Budget 2-4 hours.

⚠️ Software Compatible: IS200TBTCH1A — Dedicated thermocouple board. No RTD capability. Requires software reconfiguration. Budget 2-4 hours.

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

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

Frequently Asked Questions (FAQ)

Q: What does the ‘BBA’ suffix mean on this TTUR board?

A: The ‘BBA’ suffix indicates a component variant within the ‘B’ revision family. It’s not a standard upgrade path—typically, ‘BBA’ means GE used different components (precision resistors, reference components, or connectors) due to supply chain changes or a customer request. The board functions identically from a wiring perspective.

Q: Can I replace a ‘BBA’ board with a standard ‘B’ revision?

A: Usually yes—the boards are pin-for-pin compatible. However, some ‘BBA’ variants have different accuracy or temperature coefficient characteristics. If those differences matter to your critical temperature monitoring, match the suffix.

Q: How do I know if I need the ‘BBA’ variant?

A: Check your original bill of materials or the board’s placement in your system. If the board you’re replacing has a ‘BBA’ suffix, replace it with the same suffix.

Q: Is the TTURH1BBA 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 TTURH1BBA?

A: Standard temperature input protocol with component verification. First, visual inspection. Second, verify jumper settings. Third, simulate temperatures for both RTD and thermocouple channels. Verify accuracy—may differ from standard ‘B’.

Q: How do I verify I’m getting a genuine TTURH1BBA?

A: Check component markings against GE’s documented parts list. Weigh the board; should be about 362 grams. Look for the GE holographic security label.

Q: Where do I find the official wiring diagram for the TTURH1BBA?

A: GE document GEK-130554 covers the TTUR series. The ‘BBA’ suffix typically does not change the wiring diagram. Always cross-reference against your cabinet’s as-built drawings. Verify every channel before terminating.

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