Siemens SIPART DR21, Manual

Page: 5 / 242

Controls and displays
1
2
3
4
5
6
7
8
9
10
11
13
12
14
15
16
17
18
19
20
1 Analog indication of actual value x
2 Analog indication of setpoint w
3 w/x digital display (other values can be displayed)
4 Signalling lamp w -- lights up if w is displayed
5 Signalling lamp x -- lights up if x is displayed
6 Selector pushbutton for w/x digital display,
acknowledgement pushbutton for flashing following return
of power
or pushbutton for entering selection mode
7 Pushbutton for adjustment of manipulated variable --
closed (open)
8 Pushbutton for adjustment of manipulated variable --
open (closed)
9 y digital display
10 Signalling lamps of
Δ
y digital outputs with S controller
11 Switchover pushbutton Manual/Automatic or “Enter” pushbutton
from selection mode of configuring mode
12 Signalling lamp for manual mode
13 Signalling lamp for y--external mode
Modification of setpoint 14 Pushbutton for falling setpoint
15 Pushbutton for rising setpoint
16 Selector pushbutton for internal/external setpoint or “”Exit’”
pushbutton from configuring and selection modes to process
operation mode
17 Signalling lamp for internal setpoint
18 Signalling lamp for computer switched off (with w
ext
)
Further messages 19 Signalling lamp for adaptation procedure running
20 Signalling lamp for “Limit triggered”
.
Note Operation can be blocked using the digital signal bLb;
exception: switching over o w/x digital display.
Display of actual value
and setpoint
Modification of
manipulated variable
SIPART DR21
C73000-B7476-C143-08
5