ifm
Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
Troubleshooting
RTS errors – error codes R01...R43
496
Error message
Cause(s)
Remedy
C165 Watchdog Timeout
The main processor has detected a timeout.
Possible causes:
1.
Unacceptable interference on the AS-i
power supply.
►
Ground the device via the rail.
►
Connect the FE terminal to the machine
ground.
►
Use a switched-mode power supply to
supply the device with power.
2.
Unacceptably high electrostatic charges and
electromagnetic fields in close proximity of
the device.
1.
3. Hardware
error.
►
Replace the device and project again.
R15
4.
Operating system software error.
►
Reinstall operating system.
R16 Software
restart
The main processor has detected a restart of the
device which was not caused by a voltage failure.
►
Find the reason, maybe also further error
messages.
R17
Device waits for 24 V
(for AC1375: reserved)
After power-on of the device an unacceptably low
24 V power supply of < 18 V was detected.
R14
Master 1: Host WDT error
The AS-i master signals a timeout during the
communication with the fieldbus master (host).
During the continuous communication of the
master with the operating system the master has
detected a timeout.
Possible causes:
1.
Voltage drops on the 24 V power supply
cable.
►
Use a switched-mode power supply to
supply the device with power.
R18
2.
Operating system software error.
►
Reinstall operating system.
R19
Master 2: Host WDT error
R18
R20
Profibus DP configuration
The configuration of the Profibus master for the
device is not valid.
Possible causes:
Module lengths incorrect.
Number of modules incorrect.
Sum of the data lengths across all modules too
large.
►
Check the received data lengths in the
menu [Fieldbus Setup].
R21
No ifm Profibus DP interface present
A Profibus DP card is expected in the device,
however, it has not been detected.
Possible cause:
Wrong operating system in the device:
e.g.:
AC1325 operating system software in an
AC1311.
►
Install valid operating system.
