ABB CL Series Applications Manual page 110

1SVC 440 795 M0100
A4 GT
I1 I7
F1 +0
I2 0100
F2 +0
OS +0
HY 0025
A4-------ÄQ1
F1 +0
h The values
No values are used with a gain factor, and no offset is
used.
1
2
3
4
on
off
Figure 51: Signal diagram of analog value comparator in Greater
than/equal to mode
1: actual value at I7
2: setpoint plus hysteresis value
3: setpoint
4: setpoint minus hysteresis
The n/o contact switches if the actual value at I7 is equal to
the setpoint. The n/o contact switches off when the actual
value at I7 falls below the setpoint minus hysteresis.
Example: Function of the Greater than comparison
Parameter display and parameter set for Greater than analog
+
value comparator.
Æ
æ
Circuit diagram with analog value comparator.
Analog value comparator/
threshold value switch
F2 +0 OS +0
, and were not defined.
107