Datcon PQRM5300 33 U I Series Instruction Manual page 54

PQRM5300 33 Ux Ix xx xx (PS)
"Signal high limit"
The output changes into active state when measured value
becomes higher as the monitored value.
The output changes into inactive state when measured
value become lower as the monitored value and hysteresis
.
"Signal inside limit"
The output changes into active state when measured value
is between of range upper and lower limit as the monitored
value. The output changes into inactive state when
measured value is out of range as the monitored value. The
hysteresis is like the high and low limit functions can use it.
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