Wiring with the logic relay
118
value comparator A6 resets mark N2. The direction coil DC6
of counter C is switched off. Counter C6 only operates as an
up counter.
Circuit diagram display
I6-------CC6
C6-------SN2
N2-------DC6
A6-N2----RN2
Parameter settings of the analog value comparator A6
h
The above example scans the value zero. However, any
permissible value within the range of the analog value
comparator function block can be entered.
Example: Counter with retentive actual value
Select a retentive counter if you wish to retain the actual
value of a counter, even after a power failure or a change
from RUN to STOP.
Select the required counter in the SYSTEM... r
X
RETENTION... menu.
1SVC 440 795 M0100
Parameter settings of the
counter C6
C6 N
+
S
01000
A6 EQ
+
I1
C6
Æ
F1
+0
I2
0000
æ
F2
+0
OS
+0
HY
+0