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POWER/LOOP WIRING DIAGRAM
Stand-alone application,
no current loop used
Power Supply
12 - 24 VDC
12 - 24 VDC
Connection to a PLC/Instrument with a separate power supply
Power Supply
12 - 24 VDC
2
12 - 24 VDC
1
PLC
4 - 20 mA
21
Input 2
22
4 - 20 mA
23
Input 1
24
USB PORT
A USB port (type B) is available on the M9.03 PCB.
The USB connection allows the updating of device software.
To update the software you need: USB cable (M9.KUSB), the interface
software "FLS Calibration System" and the new updating software for M9.03
which are both downloadable from www.flsnet.it freely on product page.
SOLID-STATE RELAY WIRING DIAGRAM
(FOR SSR1 AND SSR2)
Connection to a PLC with NPN input
Internal PLC
connection
PLC
Power sup.
Power sup.
O.C. IN
O.C. IN
8
+ VDC
2
1
- VDC
+ VDC
2
+ VDC
- VDC
- VDC
1
21
- LOOP 2
- LOOP 2
+ LOOP 2
22
+ LOOP 2
- LOOP 1
23
- LOOP 1
+ LOOP 1
24
+ LOOP 1
3
N.O.
4
COM
lmax = 50mA
Imax = 50 mA
Connection to a PLC with built-in
power supply
PLC Terminals
Power Supply
12 - 24 VDC
4 - 20 mA
Input 2
4 - 20 mA
Input 1
Power Supply
12 - 24 VDC
12 - 24 VDC
or
PLC
4 - 20 mA
Input 2
4 - 20 mA
Input 1
Connection to a PLC with PNP input
Internal PLC
connection
PLC
Power sup.
Power sup.
O.C. IN
O.C. IN
2
1
21
22
23
24
Power Supply
12 - 24 VDC
2
12 - 24 VDC
1
PLC
4 - 20 mA
21
Input 2
22
+ LOOP 2
4 - 20 mA
23
Input 1
24
+ LOOP 1
lmax = 50mA
Imax = 50 mA
+ VDC
- VDC
- LOOP 2
+ LOOP 2
- LOOP 1
+ LOOP 1
+ VDC
2
+
- VDC
- V
1
21
- LOOP 2
- L
22
+ L
- LOOP 1
23
- L
24
+ L
3
N.O.
4
COM
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