Function relay types
35
06/99 AWB 2528-1316 GB
Analog comparator
Available functions:
I7
⭌
I8, I7
⬉
I8
I7
⭌
Setpoint, I7
⬉
Setpoint
I8
⭌
Setpoint, I8
⬉
Setpoint
The analog comparator can compare voltages from
0 V to 10 V (setpoints “0.0” to “10.0”).
Parameter displays for analog comparators
Compare inputs “I7” and “I8“
Compare input “I7” or “I8” with program setpoint
Analog signals of sensors typically fluctuate by
several millivolts. For stable set and reset
switching the setpoints should differ by at least
0.2 V (switching hysteresis). Do not use any relay
with contactor or impulse relay coil functions.
Input I7 Curr. value
Compare fctn. Relay no.
Input I8 Parameter display
(access)
Curr. value
ANALOG
I7 w8.0 Vg
n dA1
I8 y4.2 Vb
§
+
Input I7/I8
Curr. value
Compare fctn. Relay no.
Setpoint Parameter display
(access)
ANALOG
I7 w8.0 Vg
n dA1
yb
§
+
3.2
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