ABB AC500-eCo V3 - State LEDs and Operating Elements

Pin Assignment Pin Label Function Description
Terminal block
inserted
1 FE Functional earth
2 L+ +24 V DC Positive pin of the
power supply voltage
3 M 0 V Negative pin of the
power supply voltage
CAUTION!
Risk of damaging the AC500-eCo V3 processor module and the connected
modules!
Voltages > 30 V DC might damage the processor module and the connected
modules.
Make sure that the supply voltage never exceeds 30 V DC.
6.1.1.5 State LEDs and operating elements
The processor modules, PM50xx series, have a RUN/STOP button. By pressing the RUN/STOP
button, the processer modules switch between RUN mode and STOP mode. By long-pressing
RUN/STOP button during the processor module power on phase, the processor module will be
in MOD1.
The processor modules PM50xx indicate their states of operation via 5 LEDs located on the
upper left side of the processor module.
LED State Color LED = ON LED = OFF LED flashing
PWR Power supply Green Power supply
present
Power supply
missing
-
MC Micro memory
card indication
Yellow Micro memory
card is in the
socket
Micro memory
card is not in
the socket
Micro memory
card is in
read/write
state: any file
on card is
opened,
means activity
on card
Pin assignment
Faulty wiring on
power supply
terminals
RUN/STOP
button
State LEDs
Device specifications
Processor modules > PM50xx
2021/06/29 3ADR010635, 2, en_US 71