Operation; Process Operation - Siemens SIPART DR22 Manual

Manual
3

Operation

The SIPART DR22 is operated exclusively and fully with the operating keys on the front module.
The function of the operating panel can be switched between three main levels:
-- Process operation level
-- Selection level
-- Configuring level (structuring and parameterization modes)
Some of the keys and displays on the front module are assigned different control and display
functions when the operating mode is changed. See the description of the respective main level
for details.
3.1

Process operation

The operation of the SIPART DR22 in process mode requires no detailed explanation due
to the design and colour scheme of the operating panel, the control elements and the labeling.
(Fig. 3-1):
Red is the color of the actual value:
The four-digit red digital display (16) and the red vertical LED bargraph (17) display the actual
value.
Green is the color of the setpoint:
The four-digit green digital display (19) and the green LED bargraph (18) display the setpoint.
The green Internal/External key (2) is used to switch between the internal and external setpoint,
the internal setpoint is set with the green ±∆w-adjusting keys (6). The green internal LED (1)
signals operation with the internal setpoint, the C-LED (3) also lights green when there is no CB
control signal.
Yellow is the color of the manipulated variable:
The yellow H/A key is used to switch between manual and automatic operation. The yellow
manual LED (8) signals by lighting steadily or flashing that manual operation has been
activated. Lighting up of the yellow y-external LED (10) signals an external intervention in the
manipulated variable, i.e. a follow-up (DDC), safety or blocking operation. The manipulated
variable generally displayed in the yellow digital display (14) can be adjusted with the yellow
±∆y-keys (13) in manual operation. The yellow ±∆y-LEDs (15) indicate the output of the
adjusting increments in all operating modes of the S-controller.
The alarm LEDs (5) and (7) signal exceeding or dropping below of the limit values. The adapta-
tion LED (4) signals the progress of the parameter optimization during the adaptation process
by lighting steadily or flashing.
The displays and setpoint keys in the double controllers are switched over by the Shift key (12)
with which the displays can also be switched to different signal levels in single controllers. The
corresponding controller LEDs (11) signal the switching state.
The measuring point label (20) is exchangeable. To change it, open the plexiglass cover with a
pointed tool in the center and take out the label. Behind it a screw is revealed which can be
used to separate the front module from the controller (see chapter 5, page 227 "Maintenance").
SIPART DR22 6DR2210
C79000-G7476-C154-03
3 Operation
3.1 Process operation
167