EPD for AC 800M PM891 Controller

The product covered in this EPD is the PM891 process controller from the AC 800M controller series. This

controller is designed for industrial process control and automation, providing robust and flexible solutions

for a wide range of applications.

The PM891 processor is a monolithic unit equipped with power supply, CPU-boards and unit termination.

The unit contains microprocessor and RAM memory, a real-time clock, LED indicators, INIT push button and

a Secure Digital interface. The PM891 does not contain any internal battery, and it has two Ethernet ports

for connection to the Control Network, and one serial port.

Key features

• Reliability and simple fault diagnosis procedures

• Modularity, allowing for step-by-step expansion

• IP20 Class protection without the requirement for enclosures

• The controller has full EMC certification

• High performance and large application memory

• Sectioned CEX-Bus using a pair of BC810

• Built-in support for redundancy