Programming Instructions
R 02/92
BEF
= RV Inhibit interrupt depending on direction
SPDB: KY = x, y x = Disregard
w : Output unchanged, and/or
WI
: Output unchanged (high word)
W2 ;
Output unchanged (low word)
KB
: Output of identifier bits, and/or
KB1
:
Output of identifier bits (high word)+ channel 2
KB2
:
Output of identifier bits (low word)
+
channel 1
ST
: Output control bits
During cyclic operation, the “inhibit interrupt depending on direction
BEF
=
RV”
command can be
used to inhibit one of the two interrupt directions. This can also be done when data word DW 185
of the user data block has identifier KH =
FFFF.
The assignment of data word
DR
186 from the user data block in which the desired “inhibit direc-
tion” of the interrupt for one or both channels must be selected before the “BEF =
RV”
command is
activated is shown below.
I
I I
I
I
TT
O 0 Enabled for both directions
O 1 Inhibited, backwards
10 Inhibited, forward
1 1 Inhibited, both directions
9 – 26
1P
241 Equipment Manual
@
.%31’TWIS
AG 1989, Order No.: 6ES5
998-0KD21
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