Programming the Technological Functions
6-46
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
6.6
User data block (AW-DB)
Overview
The Table below describes the structure of the user data block.
Table 6-11
User data block (AW-DB)
AW-DB
FM 353
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
General addresses
DBW0
Module address (data type INT)
DBW2
to
DBB12
Reserved
DBB13
Position
Execution
started
Control signals
DBB14
Acknowl-
edge opera-
tor/travers-
ing error
Switch to
P bus
Start-up
DBB15
Drive
enable
Block skip
Read-in
enable
Acknowl-
edge M
function
Positive
direction
Negative
direction
Stop
Start
DBB16
Operating mode
DBB17
Operating mode parameters
DBB18
Override
DBB19
to
DBB21
Reserved
Checkback signals
DBB22
Channel
initialized
Data error
Operator/
traversing
error
Switch to
P bus com-
pleted
DBB23
Reverse
prog. scan
Dwell in
progress
Wait for
external
enable
Machining
in progress
Start
enable
DBB24
Active operating mode
DBB25
Position
reached.
Stop.
On-the-fly
setting of
actual value
completed
Servo ena-
ble status
Positive
travel
Negative
travel
End of
measure-
ment
Channel
synchroni-
zed
DBB26
M function number
DBB27
M function
modifica-
tion
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 ...