User Manual
EM303B General Purpose Inverter
33
3.3.3
Wiring the Analog Input Terminals
Wiring terminals VS and VF through analog voltage signal:
When analog voltage input signal is as the external power supply, terminals VS and VF shall
be wired as per the method shown in Figure 3-13, and terminals IS and IF shall be wired as
per the method shown in Figure 3-14.
VS/VF
EM303B
10V
GND
PE
VS/VF
GND
PE
EM303B
Grounding Shield Cable
0
~
10VDC
(a) (b)
Figure 3-13 Wiring of Terminals VS and VF
Wiring terminals IS and IF analog current signal:
IF
EM303B
Grounding Shield Cable
IS
GND
0~20mA
0~20mA
Figure 3-14 Wiring of Terminals IS and IF
3.3.4
Wiring Multi-function Input Terminal
The multi-function input terminals of EM303B adopt full bridge rectifier circuit. Terminal
PLC is the common terminal of X1~X7. The current passed through the PLC terminal can be
forward (NPN Mode) or reverse (PNP mode), so that it is flexible to connect terminals
X1-X7 to external devices. The typical wirings are as shown in the followings:
NPN and PNP wirings of multi-function numeric input terminals(X1
~
X7)
(See F2 Group for parameter setting)
A.
Dry contact wiring
mode
K1
K2
K3
K7
K4
K5
K6
PLC
24V
X2
X1
X3
X4
X5
X6
X7
COM
B.
NPN mode with external
supply
K1
K2
K3
K7
K4
K5
K6
PLC
24V
X2
X1
X3
X4
X5
X6
X7
COM
+
-
DC 24V
C.
PNP mode with external supply
K1
K2
K3
K7
K4
K5
K6
PLC
24V
X2
X1
X3
X4
X5
X6
X7
COM
+ -
DC 24V