Description
8-channel voltage analog input module for the XGF/XGT family; supports common voltage ranges and presents high resolution A/D data to the PLC. Compact, high-density option when you need several voltage-only channels in one slot.
The Polar Energy Assessment:
The AV8A provides eight voltage-only inputs with selectable input ranges (examples include 1–5 V, 0–5 V, 0–10 V and ±10 V) and a high input resistance (≈1 MΩ), making it suitable for standard process transmitters and instrumentation that output voltage. Module parameters, scaling formats and digital output types are configured through the platform tools or module parameters; consult the module manual for wiring and conversion timing.
Pros
- High channel density (8 voltage channels in one slot); saves slots and wiring runs.
- High input resistance suitable for voltage sensors.
- Supports multiple digital output formats (signed/percent/precise) for flexibility in the PLC.
Limitations
- Voltage inputs are more noise-sensitive than current loops; follow shielding practices.
- If you need current loops (4–20 mA) choose the current module instead.
Typical use cases
- 0–10 V / 0–5 V sensor arrays, level sensors with voltage transmitters, analog monitoring panels.

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