User Data Block (Aw-Db) - Siemens SIMATIC FM 353 Manual

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