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Process and system messages, error handling
11.3 I/O modules
11.3
I/O modules
LED status display
The I/O module has 2 LEDs on the front. The LEDs provide information about the operating
state of the device or system.
Meaning of LEDs
RUN
green
PM4000 DI/DO has one LED per input/output for indicating the switching status.
Channel
LED
Causes of errors and possible remedies
Error code
0001
0006
0011
5112
148
ERROR
Meaning
red
Power OFF, device switched off
Initialization:
The LED flashes until the HCS is detected and accepted as a bus node by
the higher-level control system.
Device has started up and is ready.
An error has occurred:
Error during general monitoring
•
Error in HCS communication
•
For PM U/I: Line voltage monitoring
Meaning
LED off: "L" state
LED on: "H" state
Description
Short-circuit
Wire break
No supply voltage
Polarity reversal at measur-
ing input
Possible causes and solutions
Switch off the machine.
•
Check cabling and rectify fault
•
Restart
•
SIPLUS HCS4300 PROFINET/PROFIBUS DP
Operating Instructions, 10/2019, A5E35452705A/005
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