ABB AC500 PLC User Manual

NOTICE!
Risk of malfunctions in the plant!
A ground closure, e. g. caused by a damaged cable insulation, can bridge
switches accidentally.
Use sink inputs when possible or make sure that, in case of error, there will be
no risks to persons or plant.
The following figure shows the electrical connection of the digital inputs to the PM55x processor
modules:
Electrical connection of digital inputs (sink
inputs)
Electrical connection digital inputs (source
inputs)
Connection of the Digital Transistor Outputs (PM55x-T(P) only)
Fig. 2: Electrical connection of digital transistor outputs
Device Specifications
Processor Modules > AC500-eCo
2019/04/173ADR010121, 13, en_US42

ABB AC500 PLC Specifications

General

Digital Inputs	Up to 1024
Digital Outputs	Up to 1024
Real-time clock	Yes
Power Supply	24 V DC
Protection Class	IP20
Processor	ARM based
Programming Languages	IEC 61131-3 (LD, ST, FBD, SFC, IL)
Operating Temperature	-25°C to +70°C
Communication Interfaces	Ethernet, CAN, RS-232, RS-485