Siemens SIMATIC S5 Equipment Manual page 127

Programming Instructions
--
Setting of '
Interrupt for initial value
DW n
s
DW n+l
I I
DW n+2
s
DW n+3
DW n+4
"O": positive
S = sign
= DW n+l and DW n+2
Initial setpoint
= DW n+3 and DW n+4
Final setpoint
The setpoints are usually given in BCD code. Only the decades O through 4 are considered.
A setpoint entry is also possible, however, in binary representation (depending on the encoder).
If the interrupt identifiers are set with "O", no interrupt entry is made. If this data word is set with KH
= FFFR the track is regarded as not set. The setpoints are not transferred to the module. In all
other cases the interrupt is entered for the corresponding setpoint.
9 – 6
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x
x
I
x
x
"l": negative
Interrupt for end value
I I
x
x
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