Siemens SIMATIC MOBY D System Manual page 287

11.2 Error messages and causes for MOBY D with ASM and FC/FB 45 (direct MDS addressing)
Error code in
HEX
1A
1C
1D
1E
1F
MOBY D
System Manual, 01/2010, J31069-D0147-A6-7618
Flashing of Cause, remedy
ERR LED
26x PROFIBUS DP error occurred
The PROFIBUS DP bus connection was interrupted

– Wire break on the bus
– Bus connector on ASM was removed briefly
PROFIBUS DP master doesn't address ASM anymore.

Execute an init_run

The ASM has detected a message frame interruption on the bus.

The PROFIBUS DP may have been reconfigured (e.g. with HW
Config).
This error is only indicated when access monitoring has been enabled
in the PROFIBUS DP configuration.
28x The antenna of the SLG is switched off/on and should be switched
on/off again.
The antenna is switched off and in this state, an MDS command should
be executed. The antenna should be switched off, even though one
MDS command is active.
The antenna is already switched off.

The antenna is already switched on.

Unknown mode in SET ANT command.

The antenna cannot be switched off, because an MDS command is

still active.
The antenna is switched off, so the MDS command cannot be

executed.
29x More MDSes are in the transmission window than the SLG is capable
of processing simultaneously.
Only one MDS can be processed at a time with FC/FB 45

30x Error when processing the function
The data in UDT 10 are invalid; check UDT 10 and execute init_run

ASM hardware is defective: ASM receives wrong data during

init_run.
AB byte does not comply with the useful data length.

31x Running command canceled by RESET (init_run or cancel) or bus
connector removed
Communication with the MDS was terminated by init_run.

This error can only be reported on init_run or cancel

Alarm, error and system messages
287