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8.7.46 Measurement supervision (4.3.28)
Fig. 100 Measurement supervision
Description
The function is designed to monitor up to six different input values
and let them influence or limit the setpoint. The influence can be
different from that of the primary sensor, so for example the
primary control can be set to flow control and the supervision can
be set to discharge pressure to monitor and ensure that the outlet
pressure never goes below a specific level.
Setting range
•
Setpoint limits:
The settings of the function change the control setpoint up or
down according to the supervision feedback.
•
Set Supervision 1-6 depending on the parameters that need to
be monitored.
Setting via the operating panel
•
Settings > Secondary functions > Measurement supervision.
1. Set Setpoint limits. Select the minimum and maximum limit.
2. Select Supervision 1 to Supervision 6 to set the individual
settings for each supervision parameter.
50
8.7.47 Supervision 1 to Supervision 6 (4.3.28.1 - 6)
Fig. 101 Supervision 1 to Supervision 6
Description
Each Supervision parameters must be defined.
Setting range
•
On-off
– Always disable: the supervision parameter is disabled.
– Always enable: the supervision parameter is enabled.
– Enable via digital input: set the digital input to enable the
supervision parameter.
•
Input value to be monitored: select the input value to be
monitored.
•
Supervision limits: the minimum and maximum limits for the
selected input value.
•
Gain Kp: -30 to 30. For inverse control, set Kp to a negative
value.
•
Integral time Ti: 0.0 to 3600 seconds.
Setting via the operating panel
•
Settings > Secondary functions > Measurement supervision >
Supervision 1.
1. Set On-off:
•
Always disable
•
Always enable
•
Enable via digital input
– Go to the settings of digital input: set the digital input.
– Press [Back].
2. Select the input value to be monitored.
3. Press [Back].
4. Set Setpoint limits. Select the minimum and maximum limit.
5. Set Gain Kp.
6. Set Integral time Ti.
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