ABB CL Series Applications Manual page 103

Wiring with the logic relay
A1 EQ
I1
F1
I2
F2
OS
HY
100
In the circuit diagram above, I1 enables both analog value
comparators. If a value goes below the set value, A1 switches
output Q1. If another value exceeds the set value, A2
deactivates output Q1. A3 switches marker M1 on and off.
Table 10: Parameter display and parameter set for analog value
+
+0 Æ
A1
+0
EQ
+0 æ
+0
+0
+0
+
I1
F1
I2
F2
OS
HY
h
Work normally with analog inputs and setpoints as the
parameters for the analog value comparator.
comparator:
Analog value comparator function relay 1
Equal mode
The function relay has the following modes:
LT
• : less than
LE
• : less than/equal to
EQ
• : equal to
GE
• : greater than/equal to
GT
• :greater than
+
appears in the PARAMETER menu.
-
does not appear in the PARAMETER menu
Comparison value 1 (positive value I7, I8, I11, I12,
actual value T1 to T16, C1 to C16)
I1 I1
Gain factor for ( =
positive value from 0 to 9999
Comparison value 2 (positive value I7, I8, I11, I12,
actual value T1 to T16, C1 to C16)
I2 I2
Gain factor for ( =
positive value from 0 to 9999
I1
Offset for the value of
I1); OS = positive value from 0 to 9999
Switching hysteresis for value
HY
Value applies both to positive and negative
hysteresis.
I2
• = Actual value at I2 + HY;
I2
• = Actual value at I2 - HY;
HY
• = Positive value from 0 to 9999
1SVC 440 795 M0100
F1
× actual value at I1); F1 =
F2
× actual value at I2); F2 =
I1 = OS +
( actual value at
I2