Functions of the IM 151-7 CPU
8-43
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
SFC 55 ”WR_PARM”, SFC 56 ”WR_DPARM”, SFC 57 ”PARM_MOD”, SFC 58
”WR_REC”
The use of SFCs 55 to 58 in conjunction with your IM 151-7 CPU is not
recommended owing to the static module parameters.
If you do use SFCs 55 to 58 in conjunction with your IM 151-7 CPU, the
IM 151-7 CPU could malfunction.
Points to note about OB 122
Note
Note the following about OB 122:
The CPU enters the value ”0” in the following temporary variables of the variable
declaration table in the local data of the OB:
Byte No. 3: OB122_BLK_TYPE
(type of block in which the error occurred)
Byte No. 8 and 9: OB122_BLK_NUM
(number of block in which the error occurred)
Byte No. 10 and 11: OB122_PRG_ADDR
(address of block in which the error occurred)
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