
C-32
IP 240
EWA 4NEB 811 6120-02b
With the control word
DB 168.DBW 38 FUNCTION = B#(21,1)
and brief activation of the input I 1.0 (M190.0), position 1 is specified for
approaching.
The status bits now show the traversing direction to the position as well as
the reaching of the clearance values:
DB 168.DBX 59.1 RICH,
DB 168.DBX 59.2 BEE1,
DB 168.DBX 59.3 BEE2,
DB 168.DBX 59.4 BEE3,
DB 168.DBW 56 W#16#0001 (returned
position number).
With the control word
DB 168.DBW 38 FUNCTION = B#(21,2)
and brief activation of the input I 1.0 (M190.0), position 2 is specified for
approaching. The positioning process for position 2 is as described above.
With the input I 1.1 (M 190.1), you can transfer a new zero displacement to
the module. You must write the desired value to the data block beforehand:
DB 168.DBD 92 Zero displacement
The zero displacement is added to the current actual value.
The clearance values around a position can be modified during cyclic opera-
tion.
DB 168.DBD 100 BEE1,
DB 168.DBD 104 BEE2,
DB 168.DBD 108 BEE3,
DB 168.DBW 38 FUNCTION = B#(6,0).
With brief activation of the input I 1.0 (M190.0), the new clearance values
are taken over by the module.
Specifying a
Position
Writing Zero
Displacement
Writing Clearance
Values
IP 240 Counter, Position Decoder and Positioning Module
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