High-Availability AO Signal Distribution: ABB IEPAS01 for Critical Control Loops

Description The ABB IEPAS01 is a passive, redundant analog output interface module designed for ABB’s AC 800M and Symphony Plus distributed control systems. It enables a single field actuator (e.g., control valve or VFD) to be driven by two independent analog output modules simultaneously—ensuring uninterrupted process control even if one I/O channel fails. This makes the IEPAS01 essential for…