Siemens SIMATIC FM 353 Manual page 109

The table below provides an overview of the functions (FC), function blocks (FB),
data blocks (DB) and organization blocks (OB) required for communication and
control of the FM 353.
Table 6-6 Standard function blocks of the "FM353_354" block library (overview)
Block Block Name
FC 0 POS_INIT
Page 6-30
FB 1 POS_CTRL
Page 6-30
FB 2 POS_DIAG
Page 6-41
FB 3 POS_MSRM
Page 6-41
DB 1 IFFM_ICTRL
DB 3 IMSRM
OB 1 −
OB 82 −
OB 100 −
OB 86 −
OB 122 −
1) − The block number is a default setting, block number can be changed in the SIMATIC Manager
− Symbol table entries can only be changed in conjunction with symbolic programming
Note
The symbolic block identifier is used from here on.
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Description/Function
Call in OB 100 and OB 86, start-up/initializa-
tion
Call in OB 1, cyclic operation (synchroniza-
tion with the FM 353)
Basic functions and operating modes, inter-
face processing, read and write requests
Call in OB 82, internal errors, external er-
rors, and external channel errors of the FM
Call in OB 40 or OB 1,
reading out of the measured values
Interface to the FM and instance DB for
POS_CTRL (FB 1)
Instance DB for POS_MSRM (FB 3)
Cyclic level
Diagnostic interrupt level
Start-up level
Subrack failure
I/O access error
Programming the Technological Functions
Required for application,
number can be changed
To be used only if the
function in question is re-
quired for the application in
question; the number can
be changed
Required for application,
number can be changed
Required for application if
POS_MSRM is called;
number can be changed
Required for application
For distributed configura-
tions ti
Remarks
1)
1)
1)
1)
6-29