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
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