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Attention: Observe the max. current carrying capacity of the sensor
supply to avoid damage.
6.21 Manual operation
The hand operation can be used for the following situations:
1. to check the process characteristic by getting a step or im-pulse response and
use this data to adjust the controller.
2. to bridge a sensor or controller input defect by manual control.
3. in certain applications it is necessary to supply the process with constant
energy.
Switching on the hand operation
Press
repeatedly until
shows. Press
for 3 sec., the upper display starts
flashing and the lower display shows
UREG200 has now activated manual mode. Press
the lower display now alternates between
back and forth. The display
lue MV1 for output 1 (or heating) and
MV2 for output 2 (or cooling) to. Via the up and down
keys
you can manually set the output values for
H and C.
Note:
The controller remains in the open control loop until manual operation is switched off
again.
Exception:
If OUT1 is set as ON-OFF control (PB1=0 or PB2=0 depending on selection), the
controller cannot be operated manually.
Turn off the hand operation
Press
simultaneously to return to the previous control mode.
6.22 Display Mode
Switching on the display mode
Press
so often until
to activate the display mode. To display the values of the various parameters,
press the
Button to move forward or
represents the parameter, the upper display the corresponding value.
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the display
. The
,
and
shows the va-
the value
(display) appears in the display. Then press
to scroll backwards. The lower display
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Example:
means,
MV1 = 38,4% from OUT1
(or heating)
means,
MV2 = 7,63% from OUT2
(or cooling)
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