Product Core Brief
- Model: 07KT94C
- Brand: ABB
- Series: Automation / PLC control system hardware
- Core Function: Serves as a control or interface module within an ABB automation system.
- Product Type: PLC / automation control module
- Key Specs: Chassis-mounted | Internal system supply | Configuration-dependent
- Condition: New Surplus (obsolete; inspected used units also available)
Product Introduction
The ABB 07KT94C is a control module used in ABB automation and PLC installations. It supports process control and signal handling inside the system rack. Failure typically halts the affected subsystem, not the whole plant.
Distributor listings describe it inconsistently — some as a PLC, others as a generic board. Treat the nameplate as authoritative. We ship with a test record either way.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Model | 07KT94C |
| Brand | ABB |
| Application | Industrial automation / PLC systems |
| Module Type | Control / interface module |
| Mounting | System rack or chassis slot |
| Supply | Internal system supply (per manual) |
| Configuration | Firmware and address dependent |
| Operating Temp | 0–60 °C (typical, verify) |
| Status | Obsolete — surplus stock |
| Test Record | Included with shipment |
Quality Control Process
Generic checks don’t catch intermittent rack faults. We test in situ.
- Rack integration. Seated in a live test chassis. Boot handshake and diagnostic LEDs verified over a 30-minute soak.
- Signal path verification. I/O or communication channels exercised individually with a calibrated source and a Fluke multimeter.
- Insulation and continuity. Megger across connector pins and to chassis ground.
- Firmware and address capture. Version label, DIP, and jumper positions photographed and archived for the buyer.
- ESD packaging. Anti-static bag, desiccant, rigid box, numbered seal.
Replacement Pitfall Guide
❗ Model suffix matters. 07KT94 and 07KT94C are not interchangeable. Confirm the full suffix on the nameplate — revisions differ in firmware and pinout.
❗ Slot and address binding. Many ABB racks map modules by physical position. Reinstall in the original slot and restore jumper settings from your photo, not memory.
❗ Firmware incompatibility. A newer revision may reject an older controller’s configuration. Record the outgoing board’s version first.
❗ Misdiagnosis. Roughly half the boards returned to us were functional — the fault was in cabling, grounding, or the power supply. Rule those out before ordering.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor Model | Compatibility Level | Migration Notes |
|---|---|---|---|
| 07KT94C | 07KT94C (same) | Direct | Match slot, firmware, jumpers |
| 07KT94C | 07KT94 / 07KT94B | Needs Adaptation | Verify suffix, revision, and pinout |
| 07KT94C | 07KT93 / 07KT92 | Needs Adaptation | Different function; not a drop-in |
- Test soak: 30-minute continuous rack cycle
- Acceptance: zero diagnostic faults, zero dropped channels
