Siemens SIMATIC S5 Manual page 214

The data block is structured
(parameter DWNR = n)
Axis 1
DW n Used byFB164
DW n+l WORD parameter
high
DW n+2
— DOUBLE WORD parameter
low
DW n+3
occupied
DW n+4
high
DW n+5
—
low
DW n+6
high
DW n+7
—
f r e e
low
DW n+8
high
DW n+9
—
distance to go
low
DW n+l O
DW n+l 1 operating mode
checkback signals
DW n+12
from the axis
occupied
DW n+13
binary identifiers
DW n+14
DW n+l 5 occupied
high
—
condition code bits from the SEND block
low
DW n+l 7
DW n+18 occupied
occupied
DW n+l 9
(parameter DWNR = k)
DW
k
DW k+l
I
etc. (further structure analogous to axis 1)
DW k+2
as follows:
The Standard Function Block FB164
M function
error messages
Recommended
data format
KF
KH
KH
KH
KH
KH
KH
KH
KH
KH
KY
KM
I
KH
KH
KH
I
KM
KF
KM
KF
KF
6-21