Siemens SIMATIC MOBY D System Manual page 288

Alarm, error and system messages
11.2 Error messages and causes for MOBY D with ASM and FC/FB 45 (direct MDS addressing)
error_FC
Table 11- 8
Error code
(B#16#..)
00
01
02
03
04
05
06
07
08
09
288
Error variable "error_FC"
Description
No error; default value if everything is ok.
Params_DB not available in SIMATIC
Params_DB too small
UDT 10/11 was not used during definition

Params_DB must be 300 bytes in length (for each channel)

Check that Params_DB and Params_ADDR are correct

The DB after the "command_DB_number" pointer is not available in the SIMATIC.
"command_DB" in the SIMATIC too small
UDT 20/21 was not used during command definition

The last command in "command_DB" is a chained command; reset the chaining

bit
Invalid command type.
Check command pointer command_DB_number/command_DB_address

Check the current values in command_DB

– Execute an init_run
Unexpected acknowledgement received. The parameters of the command and
acknowledgement message frames do not match (command, length,
address_MDS).
The user changed the command_DB_number/_address pointer during command

execution.
The user changed the command parameters in the MOBY CMD data block (UDT

20) during command execution.
Check the ASM_address and ASM_channel parameter settings. ASM_address

and ASM_channel have the same parameters for different channels.
The acknowledgement counter and command counter between the ASM and

FC/FB are no longer synchronized
– Execute an init_run
The MOBY_mode or MDS_control parameter (defined in UDT 10) has an invalid
value
A bus error has occurred which is reported by system functions SFC 58/59. More
information on this error is available in the error_BUS variable.
ASM_address or ASM_channel not available

Execute an init_run

The ASM has failed.
Power failure on MOBY-ASM

PROFIBUS DP connector removed or PROFIBUS DP cable interrupted

ASM_address or ASM_channel not available

This error is indicated if the ASM_failure bit was set in OB 122. OB 122 is called if
FC/FB 45 can no longer access the cyclic word for MOBY-ASM.
System Manual, 01/2010, J31069-D0147-A6-7618
MOBY D