ABB GJR5252100R0261 07KT94 Remote Analog Input/Output Module
Analog I/O Module for ABB AC31 PLC / CS31 Fieldbus Remote Slave Unit
The GJR5252100R0261 07KT94 is an ABB AC31 series analog I/O remote module designed for distributed process control over the proprietary CS31 1-wire system bus. It operates on 24VDC supply and provides configurable analog channels in two operation modes:
✅ 12-bit mode: 8AI + 8AO, signal range ±10V / 0…20mA
✅ 8-bit flexible mode: total 16 channels, configurable as AI or AO in pairs
CS31 bus is galvanically isolated to suppress ground loops and noise interference. Equipped with front LED channel diagnostics and test button for fast troubleshooting. DIN rail mount, IP20 for cabinet installation.
Suitable for water treatment, HVAC, pulp & paper, cement and legacy plant retrofit projects for pressure, level, temperature measurement and analog valve control.
Important note: This is an end-of-life legacy AC31 platform spare part, only works with AC31 CPU masters (07KT92 / 07KT93 / 07KT94 / 07KT95 etc.), NOT compatible with AC800M.
Key Specifications
- Part No: GJR5252300R0101 | Type: 07AC91
- Power: 24 VDC, max 0.2A / ≤5W
- Resolution: 12 bit + sign (default) or 8 bit
- Accuracy: typ. 0.5% FS, max 1% FS
- Bus: CS31 galvanically isolated 1-wire bus
- Operating temp: 0 ~ +55°C
- Terminals: pluggable screw terminals
- Max analog cable length: 100m (shielded)
- Mount: DIN rail 35mm
- Protection: IP20
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