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Human-machine Interface
8-19
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Variables in the user DB
The Table below contains the signals/data that must be entered in the user DB via
the OP (FM interface).
For a detailed description of the structure of the user DB, see Section 6.6.
Table 8-3
Variables for the user DB
User DB
Variable
type
Description
User DB
DBB17
BYTE
Velocity or frequency level 1, 2 [BP]
−
DBX34.0
DBX34.6
DBX35.6
BOOL
Single functions
Servo enable
Parking axis
Disable software limit monitoring
Internal
Write re-
quest
DBX37.0
DBX37.1
DBX37.2
DBX37.3
DBX37.5
DBX37.6
BOOL
Single commands
Activate machine data
Delete distance-to-go
Automatic block advance
Automatic block return
Restart
Undo set actual value
Internal
Write re-
quest
DBD140
DINT
Zero offset
DBX39.1
DBD144
DINT
Set actual value
DBX38.7
DBD156
DWORD
Setpoint for incremental dimension
DBX38.2
DBD160
DWORD
Speed level 1
DBX38.0
DBD164
DWORD
Speed level 2
DBD168
DWORD
Frequency level 1
DBX38.1
DBD172
DWORD
Frequency level 2
DBB176
to
DBB195
STRUCT
MD block
DBX38.3
DBB222
to
DBB241
STRUCT
MD block on-the-fly
DBX38.4
DBB242
BYTE
Program selection
−
program number
DBX39.5
DBB243
BYTE
Program selection
−
block number
DBB244
BYTE
Program selection
−
direction
DBB250
BYTE
Teach In
−
program number
DBX39.7
DBB251
BYTE
Teach In
−
block number
DBW500 WORD
MD No.
−
DBD502
DINT/
relev. MD
MD value
−
DBB506
BYTE
SM No.
−
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 ...