Appendix
272
1SVC 440 795 M0100
Names of function relay
Name of function block inputs
(constants, operands)
Function relay
coil
Meaning of
abbreviation
Description
C count input Counter input, counter
D direction input Counter direction, counter
H hold, stop Stopping of timing relay, stop, timing relay
R reset Reset of actual value to zero, operating hours
counters, counters, text displays, timing relays
T trigger Timing coil, timing relay
Input Meaning of abbreviation Description
F1 Factor 1 Gain factor for I1 (I1 = F1 × Value)
F2 Factor 2 Gain factor for I2 (I2 = F2 × Value)
HY Hysteresis Switching hysteresis for value I2 (Value HY applies
to positive and negative hysteresis.)
D Day Day
I1 Input 1 1st setpoint, comparison value
I2 Input 2 2nd setpoint, comparison value
S Setpoint Setpoint, limit value
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