Endress+Hauser Liquiline System CA80CR, Руководство по эксплуатации

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Liquiline System CA80CR Operation
Hauser
109
Function Options
• On
• Off
Factory setting
Off
Activating/deactivating the limit switch
Operating mode Options
• Above limit check
• Below limit check
• In range check
• Out of range check
• Change rate
Factory setting
Above limit check
Type of limit value monitoring:
• Limit value overshoot or undershoot

å
74
• Measured value within or outside a range

å
75
• Change rate

å
77
Limit value Settings
Depends on the measured
value
Operating mode="Above limit check" or "Below limit
check"
a0018080
Fig. 74: Exceeding (A) and falling short of (B) a limit value (without hysteresis and switch-on delay)
1
Limit value
2 Alarm range
t
1
,t
3
,t
5
No action
t
2
,t
4
An event is generated
• If the measured values (MV) are increasing, the relay contact is closed when the on-value ("Limit value" + "Hysteresis")
has been exceeded and the start delay has elapsed ("Start delay").
• If the measured values are decreasing, the relay contact is reset when the off-value is undershot ("Limit value" - "Hys-
teresis") and following the release delay ("Switch off delay").
Path: Menu/Setup/Additional functions/Limit switches/Limit switches 1 to 8
Function Options Info