JUMO 709051, Operating Manual, Page: 44 / 92

4 Operation
44 V1.00/EN/00741192/2021-03-30 [IPC 300]
4.1.4 Appearance of error messages and special statuses
Cyclical
appearance The symbols for input, subordinate control loop, and operating mode are dis-
played alternately in the info line together with error messages or information
about special statuses. All messages are shown at least once, even if they only
occur briefly.
v
Chapter 8 "Error messages and alarms"
Examples
4.2 User level
Here you will find the parameters that can be modified during ongoing oper-
ation.
They can be accessed without a password per default, but can also be pro-
tected with a 4-digit code if necessary.
v
Chapter 5.1.11 "Change codes"
During ongoing operation, the power controller can be adapted to the system
and optimized.
h
In the overview of measured values, press the key
h
Select the operating level and press again
Editing a pa-
rameter The changes are effective immediately.
Once the correct setting (e.g. for display contrast) has been found, the param-
eter can be stored by pressing .
If you do not wish to apply the value, the entry can be canceled by selecting
.
Actual value Measured value as a percentage of the active control variable U
2
, U, I
2
, I,
or P
%
All parameters for the maximum device extension level are listed in the fol-
lowing tables. Depending on the order details (see nameplate or device infor-
mation) or the current configuration, parameters that are not required are hid-
den.