The AIO288/1 (Part Number: 00012270-00) is a multifunction analog I/O module for the Bachmann M1 controller series, combining 8 analog inputs and 8 analog outputs in a single module. It is designed for space-efficient control systems requiring high-precision analog processing.
The module supports Pt100 / Pt1000 RTD temperature sensors on four input channels and provides integrated excitation for up to four potentiometers, reducing external wiring and power components. With 14-bit resolution and built-in wire-break diagnostics, the AIO288/1 delivers accurate and reliable signal handling in demanding industrial environments.
| Parameter | Specification |
|---|---|
| Total Channels | 16 (8 AI / 8 AO) |
| Input Signal Range | ±10 V |
| Output Signal Range | ±10 V |
| Input Resolution | 14-bit |
| RTD Support | 4 × Pt100 / Pt1000 |
| Sensor Excitation | Up to 4 potentiometers |
| Input Modes | Single-ended / Differential |
| Accuracy | ±0.1% (typical, calibrated) |
| Diagnostics | Wire-break and error monitoring |
| Isolation | Galvanic isolation (field to system bus) |
Used in wind turbine pitch control, temperature and climate control systems, hydraulic control, and industrial machinery requiring mixed analog signals with high precision.
Does the AIO288/1 support 4–20 mA signals?
Not directly. The module is designed for ±10 V and RTD inputs. 4–20 mA signals require shunt resistors or a dedicated current input module.
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