Project Planning Manual
SIPART DR20
Selector key 8
Output in display 4
Signalling by
Position 1
wi
LED 9.1
Position 2
x
LED 9.2
Position 3
A2
"A2" in display 6
Position 4
A1
"A1" in display 6
Position 5
wS
"SH" in display 6
This results in the following possible settings:
Signals
Control commands
front and digital
inputs **)
Front
LED ***)
Digital
output
Effec-
tive
output
Effective setpoint
Explanations
H+N+Si+BL
INT INT H /RB
/RC Y
S17=0
S17=1
0
1
1
0
1
1
yA(n)
wi
wi
Automatic mode with setpoint 1
0
0
0,5
0
0
1
yA(n)
wS
wS
Automatic mode with setpoint 2
1 1
1
>
0
1
1
yH, yN
wi
x
1 0
0,5
>
0
1 1 yBL,
ySi
wS x
Manual, tracking, safety mode or blocking of output
Fig. 3/12
Follow-up controller with local/remote switchover
Operation with two setpoints adjustable on front panel
X1
w
S
W
ES
SES
S42
0
2
INT
+
INT
gn
SP - w
w
i
w
w
X2 / W
EA
1
0 S18
w
i
CB
CB
INT
INT
w
a
w
e
T
w
0
1
S19
1
w
E
X
0
0
0 0
S20, S21
Display
Key
8
8
8
8
8
8
8
4
+
-
SES
W
X
Xd
0
2
1
S23
A2
A1
a1
a2
D-element
S17
A
A
1
0
0
1
A
A
A
A
S17
0
1
x - tracking
Fig. 3/13
Processing of command variable and formation of negative deviation in follow-up
controller with local/remote switchover
36
