Siemens SIMATIC FM 453 Manual page 100

Programming the FM 453
Chapter
Overview
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.1 FC INIT_DB (FC 1) – Initialize user DB
Task You can use FC INIT_DB to initialize specific areas of your user DB. For
this purpose, you can call FC INIT_DB in OB 100 or OB 83 "Remove/Insert
interrupt" once for each channel.
The FC performs the following actions:
1. Enters addressing values in the user DB
2. Deletes the following structures in the user DB
Call Options
6-4
In Section
FC INIT_DB – Initialize User DB
FC MODE_WR – Control Operating Modes and Process
Write Jobs
FC RD_COM – Process Read Jobs Cyclically
Reading Diagnostic Information
FC MSRMENT – Read Measured Values
User Data Block
Example Applications
Technical Specifications
– FM address
– Channel address
– Offset address
– CONTROL_SIGNALS
– CHECKBACK_SIGNALS
– JOB_WR (write job)
– JOB_RD (read job)
Call in LAD notation
(ladder diagram)
FC INIT_DB
EN
DB_NO
CH_NO
LADDR
You Will Find
Call in STL notation
(statement list)
CALL INIT_DB(
DB_NO
ENO
CH_NO
LADDR
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
On Page
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:= ,
:= ,
:= );