Siemens SIPART DR21

3 Functional description of the structure switches
3.2 Analog input signal processing (S3 to S21)
Manual
SIPART DR21
C73000-B7476-C143-08
49
Slot 1
S6< 4
4to20mA
0, 1
2, 3
S4
+ --
U
A
D
0 1
S11
tF1
AI1
I
+1/2 --1/1
AI2
I
+1/4 --1/3
I
S21
1
4to20mA
0, 1
2, 3
S5
+ --
U
A
D
0 1
S12
tF2
I
S21
2
4to20mA
0, 1
2, 3
S6
U
A
D
0
S13
tF3
S21
3
or
A
D
+I
S6≥4
MA ME
S8, S9
4
Slot 2
U
A
D
4to20mA
0, 1
2, 3
S7
S3
10
50 Hz 60 Hz
S21
0 1
S14
S21
4
tF4
to 7
50 %
S7
0,2 1,3
S6
4,5 6,7
S5
0,2 1,3
S4
0,2 1,3
1,3
--3 106 --3 106 --3 106 --3 106
x/w display
Transmitter fault- signaling
1234
S21
0/1/2/3/4
5
x1
1
2
3
4
S15
0
1
2
3
4
x2
0
S16
1
2
3
4
0
S17
x3/w
EA
/
wv
EA
1
2
3
4
0
S18
Y
N
1
2
3
4
0
S19
1
2
3
4
0
S20
Y
R
Z
0% 0% 0% 0% 0% 0%
MUF
AI3
I, U, R
AI4
I, U, R
0/2/3/4/5 0/1/3/4/5 0/1/2/4/5 0/1/2/3/5
0, 2
1
UNI
AI1
AI2 AI3
AI4
AI
AI2A
AI1A
AI3A
AI4A
Figure 3-1 Analog input signal processing