The Pos_Init (Fc 0) Block − Initialization - Siemens SIMATIC FM 353 Manual

Programming the Technological Functions
6.3.2 The POS_INIT (FC 0) block − Initialization
Function
Use the POS_INIT block to initialize specific areas of your AW-DB.
Call options
The POS_INIT block must be called once in the start-up OB 100 and in OB 86 for
"distributed configuration".
EN
DB_NO
CH_NO
LADDR
Parameters
The Table below lists the parameters for this block.
Name
DB_NO
CH_NO
LADDR
Parameter types: I = input parameter
6-10
Call in LAD representation
(ladder diagram)
POS_INIT
ENO
RET_VA
Data Param.
Type Type
INT I Data block number
BYTE I Number of the axis:
0
1
2...255 − Illegal
S
INT I Logical base address of the module; use entry from
"HW-CONFIG", → "Properties", → "Address" (see Sec-
tion 5.2)
S
0 − No entry of addresses in the user DB
Call in STL representation
(statement list)
CALL POS_INIT
DB_NO
CH_NO
LADDR
Description
− Only one channel/axis
on the module
− First channel/axis on the module
FM 353 Stepper Drive Positioning Module
:=
:=
:=
Same mean-
ing internally
6ES7 353-1AH01-8BG0