Swan Analytical Instruments AMU Oxytrace Operator's Manual page 54

AMU Oxytrace
Program List and Explanations
5.2.1.43
5.2.1.43.12
5.2.1.43.22
5.2.1.43
5.2.1.43.13
5.2.1.43.23
5.2.1.43.3
5.2.1.43.4
5.2.1.43.5
5.3 Relay Contacts
5.3.1
52
Control Parameters: if Parameter = Sample flow
Setopint:
Range: 0–50 l/h
P-Band:
Range: 0–50 l/h
Control Parameters: if Parameter = Saturation
Setopint:
Range: 0–200%
P-Band:
Range: 0–200%
Reset time: The reset time is the time till the step response of a sin-
gle I-controller will reach the same value as it will be suddenly
reached by a P-controller.
Range: 0–9'000 sec
Derivative time: The derivative time is the time till the ramp re-
sponse of a single P-controller will reach the same value as it will
be suddenly reached by a D-controller.
Range: 0–9'000 sec
Control timeout: If a controller action (dosing intensity) is constantly
over 90% during a defined period of time and the process value
does not come closer to the setpoint, the dosing process will be
stopped for safety reasons.
Range: 0–720 min
Alarm Relay: The alarm relay is used as cumulative error indicator.
Under normal operating conditions the contact is active.
The contact is inactive at:
 Power loss
 Detection of system faults like defective sensors or electronic
parts
 High case temperature
 Process values out of programmed ranges.
Program alarm levels for the following parameters:
 Oxygen
 Temperature
 Sample Flow
 Case Temperature high
 Case Temperature low
A-96.250.541 / 230320