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System interface LHS 91 SYSTEM
The power of the unit can be controlled via the interface (10) with the signals IC 4 – 20 mA or UC 0 – 10 V. A supply
voltage of US 15 – 26VDC is also required. The switch (9) must be put on upper position.
Pin assignment (10)
Technical Data
Control signal
Source
4 – 20 mA
Control signal
Source
0 – 10 VDC
1
2
3
4
5
Supply voltage
Control current
Control voltage
Interface (10)
+
+
I
U
c
s
-
-
Interface (10)
+
U
+
c
U
s
-
-
U
GND
S
U
0 –10 V
C
I
4 – 20 mA
C
I
GND
C
U
S
U
S
U
max.
S
Power consumption at 24 VDC
I
C
I
ripple max.
C
I
max.
C
Input resistance (type)
U
C
U
ripple max.
C
U
max.
C
Input resistance (type)
Performance
100
3
90
80
70
5
60
50
40
1
30
20
4
10
0
4
Performance
100
2
90
80
70
5
60
50
40
1
30
20
10
0
0
5
4
3 2 1
15 – 26 VDC
4 – 20 mADC
< 0.1 mADC
22 mADC
230 Ohm
0 – 10 VDC
< 0.05 VDC
280 kOhm
Power f (control current)
8
12
16
Current [mA]
Power f (control voltage)
2
4
6
Voltage [V]
26 VDC
12 mA
12 VDC
20
8
10
17
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