Moeller ps4-201-mm1, Hardware And Engineering

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Testing/Commissioning/
Diagnostics
68
04/
99 AW
B
27-
1184 G
B
Table 17: Description of diagnostic (error) bits (Not Ready
status)
Diagnostics byte for Suconet K stations
In order to get more details about the information
contained in the diagnostics status word, you can
scan the diagnostics byte of each of the stations and
of any local expansion modules that are connected
to them. You only have read access to this
information.
Each station and each local expansion module on
the Suconet K line has its own status information.
The diagnostics information available is dependent
on the respective type of Suconet station or local
expansion module.
Code Message name Diagnostics message description
ENR Restart only with M-
Reset (retentive
marker reset). This error appears if you have selected the option “Halt” under “Start after
Not Ready” in the PS4-200 configuration and have tried to carry out a warm
start after a category E error has occurred. You need to carry out a cold start
(M-Reset).
ERT Error Run Time The PLC has encountered a runtime error.
EDR Error Data Retention The data retention is corrupted in the operating system.
EPM Error Program
Module Error in program memory; error found via checksum for user program.
EWD Error Watch Dog CPU failure; the CPU hardware watchdog has indicated a failure.
EDC Error DC DC supply failure in base module (module 0)
ECT Error Cycle Time Cycle time exceeded; the max. cycle time set in the program was exceeded.
There is a group message containing status
information for every station on the Suconet K
line. This information applies to the respective
CPU and to any local expansion modules (LE)
which are connected to it.