Programming the Technological Functions
6-10
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
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”.
Call in LAD representation
(ladder diagram)
Call in STL representation
(statement list)
EN
ENO
POS_INIT
LADDR
CH_NO
DB_NO
RET_VA
CALL POS_INIT
DB_NO
:=
CH_NO
:=
LADDR
:=
Parameters
The Table below lists the parameters for this block.
Name
Data
Type
Param.
Type
Description
DB_NO
INT
I
Data block number
CH_NO
BYTE
I
Number of the axis:
0
−
Only one channel/axis
on the module
1
−
First channel/axis on the module
2...255
−
Illegal
Same mean-
ing internally
LADDR
INT
I
S
Logical base address of the module; use entry from
“HW-CONFIG”,
→
“Properties”,
→
“Address” (see Sec-
S
0
−
No entry of addresses in the user DB
Parameter types: I = input parameter
Summary of Contents for SIMATIC FM 353
Page 22: ...Product Overview 1 12 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 32: ...Installing and Removing 3 6 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 282: ...Description of Functions 9 82 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...
Page 354: ...User Data Block AW DB B 16 FM 353 Stepper Drive Positioning Module 6ES7 353 1AH01 8BG0 ...