ABB 07AC91 (GJR5252300R0101) is an AC31 analog I/O module used as a remote I/O module on the CS31 system bus. It provides 16 configurable analog channels and supports flexible voltage/current signal configurations in 8-bit and 12-bit operating modes.
Key Features
- 16 configurable analog I/O channels for flexible field-signal interfacing.
- Supports 8 AI + 8 AO in 12-bit mode.
- Supports 16 channels configured in pairs as inputs or outputs in 8-bit mode.
- Compatible with ±10 V, 0–10 V, 0–20 mA and 4–20 mA industrial signals.
- Provides 12-bit + sign resolution for higher-precision analog measurements and control.
Typical Applications
- Industrial process automation
- Machine automation and control systems
- Temperature, pressure, flow and level signal acquisition
- 4–20 mA / 0–20 mA sensor interfacing
- Analog control of valves, actuators and drives
- Speed/reference signal interfacing for variable-frequency drives
- Water and wastewater treatment plants
