ABB CL Series Applications Manual page 107

Wiring with the logic relay
A2 LE
I1
F1
I2
F2
OS
HY
A2-------ÄQ1
104
1
2
3
4
on
off
Figure 48: Signal diagram of analog value comparator in Less than
1: actual value at I7
2: setpoint plus hysteresis value
3: setpoint
4: setpoint minus hysteresis
The n/o contact switches off when the actual value at I7
exceeds the setpoint plus hysteresis. If the actual value at I7
falls below the setpoint, the n/o contact switches on.
Function of the Less than/equal to comparison
Parameter display and parameter set for Less than/equal to
+
analog value comparator.
I7 Æ
+0
0100 æ
+0
+0
0025
Circuit diagram with analog value comparator.
h The values
No values are used with a gain factor, and no offset is
used.
mode
F1 +0 F2 +0
, and
1SVC 440 795 M0100
OS +0
were not defined.