5 Cursor keys
Increase displayed value
Decrease displayed value
Function in the operating level (standard operation):
After selecting setpoint W1 or W2 → (modify setpoint directly), acknowledge the value
using ENTER key (8).
In MANUAL operating mode:
Direct adjustment of output signal Y.
Function in the parameterization/configuration level:
Selection of the individual entry options in both directions.
Adjustment of the related numeric value in the top display (1).
6 MANUAL/AUTOMATIC changeover
When selecting manual adjustment to either controller output Y or switching outputs Y1 and
Y2, the yellow LED located in the key illuminates:
Using the MANUAL/AUTOMATIC key, the controller can be bumplessly switched over from
MANUAL to AUTOMATIC operation (or vice versa).
The MANUAL setting allows the user to directly operate the connected control valve. Con-
troller output value Y can be modified using cursor keys (5) and . In MANUAL opera-
ting mode, the controller output value can be viewed in the bottom display panel.
7 Operating key
Function in the operating level (standard operation):
Switch over to select the controller variables in one direction; following sequence: setpoint
W1, XD, output variable Y, setpoint W2 (see section 4.2.1).
Function in the parameterization/configuration level:
Return to the operating level (standard operation) from the current levels.
8 ENTER key
Function in the operating level (standard operation):
Accept and store the numeric value specified for setpoint W1 or W2. Access the code num-
bers for parameterization level
PA
and configuration level
C0
.
To acknowledge the code number entered and simultaneously enter the selected level.
Function in the parameterization/configuration level:
Selection of the entry options (flashes when selected).
Accept and store the numeric value entered.
9 Changeover between setpoints W1 and W2
Choice between setpoint W1 and W2. When setpoint W2 is active, the yellow LED located
in the key illuminates.
In addition, selection can be made between setpoint W1 to W2 by applying 24 V d.c. to an
external signal (note configuration block
SP
, page 19).
10 Display variables XD, Y and W2
The three yellow LEDs indicate which variable (control deviation XD, controller output Y, set-
point W2) is displayed in the bottom display panel that was selected using the operating
key (7). Setpoint W1 is usually displayed here.
11 Label for physical unit of temperature
Physical unit specification of the top and bottom display. It is attached above the top display
panel using the supplied adhesive label. For this purpose, first remove the clamped-on
frame.
11
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