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5 Function blocks
5.1 A, analog value comparator/threshold value switch
Control Relay easy800
11/11 MN04902001Z-EN
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139
• Range C: Compare I1 with Offset greater than I2
– This example behaves as described in Range A. The offset value is added to the actual value.
– Comparison I1 equals I2
The contact switches on:
– If I1 is equal to I2, i.e. the actual value is equal to the setpoint value.
The contact switches off:
– If the hysteresis limit is exceeded with the actual value rising.
– If the hysteresis limit is undershot with the actual value decreasing.
• Range D: I1 with offset leaves the permissible value range. The contact CY closes.
CY opens as soon as I1 with offset is once more within the value range.
Memory
68 + per
4 Byte/Constant at function block input
Cycle time [
μ
s]
Mode = INI/CPY
easy800 standard
easy800-SWD
GT
96
22
EQ
96
22
LT
96
22