ABB 07AC91Key features
High-density output design: A single module provides 8 analog current outputs, suitable for medium and large automation projects.
High precision and stability: 12-bit DAC ensures control accuracy, low temperature drift, and strong anti-interference ability.
Electrical isolation protection: ABB 07AC91 Avoid electrical interference between channels and between channels and systems.
Independent output channels: ABB 07AC91 Each channel can independently configure the output range and fault response mode.
Module self-diagnosis capability: ABB 07AC91 Supports disconnection detection and output fault alarm.
Hot-swap support: Easy maintenance and replacement, reducing system downtime.

System collaboration
- Control system compatibility:
Compatible with ABB MasterPiece 200/1 series DCS/PLC;
Can be seamlessly connected with controllers such as 07KT94/07KT97/07KT98;
Use MasterBus 300 communication bus to support fast data exchange between modules.
- Collaboration with other modules:
Can form a complete automation control loop with 07AB91 (analog input), 07DC92 (digital output), etc.;
Support integration with HMI/SCADA systems such as ABB ProControl and 800xA;
Combined with communication modules such as CI522 and CI532 to achieve cross-system data exchange.
- System diagnostic function:
Supports display of module status in the system;
Alarm function is used to detect output signal open circuit, module failure, etc.;
Convenient for debugging and remote monitoring through system maintenance software.