Knick Stratos Pro A401B PH, User Manual

Page: 145 / 196

145
Service
Menu item Remark
Controller
characteristic
The arrows indicate which
relay (valve) is active:
Relay 2 active
(Meas. value > setpoint)
Relay 2 active
(Meas. value < setpoint)
Controller test (manual specification
of controller output):
This function is used to start up control loops or
check the actuators.
For bumpless changeover to automatic operation
(exiting this function), configure an I-action
component (reset time).
The lower display shows the currently adjusted
controller output Yp.
Specify new value for controller output Yp:
Enter sign and value in the main display using the

keys. Press enter to confirm.
The new value is taken into the lower display.
Return to Service menu: Press meas.
Return to measurement: Hold meas depressed for
longer than 2 sec.
Controller output –100...0% Relay 2 active
Controller output 0...+100% Relay 1 active
IrDA communication:
Select IRDA using

,
press enter to confirm.
When IrDA communication is active, the device
remains in the HOLD mode for reasons of safety.
Further operation is performed via IrDA.
End communication by pressing meas.
Exception: Firmware update
(must not be interrupted!)
Setpoint
Controller output
Yp [%]
+100 %
-100 %
Deviation
Xw
Neutral zone Yp=0
Relay 1
Relay 2