12
2-2-2 Wiring Precautions
•
Do not make any mistake in polarity when supplying DC power to the K3NX.
•
Do not wire power lines alongside the signal lines of the K3NX in order to pre-
vent the K3NX from noise interference.
•
Wire the terminal block with crimp terminals.
•
Tighten the terminal screws to the torque of approx. 0.78 N
S
m (8 kgf
S
cm).
2-2-3 Wiring
Power Supply
Apply 100 to 240 VAC or 12 to 24 VDC to terminals 8 and 9.
Signal Input
Connect measurement inputs to terminals 1, 2, or 3, and to terminal 4.
The terminals used vary with the input range as shown in the following table.
Input type
Input range
Measurement range
Input terminals
DC voltage input
a Ud
–199.99 to 199.99 V
1 and 4
b Ud
–19.999 to 19.999 V
2 and 4
c Ud
–1.9999 to 1.9999 V
3 and 4
d Ud
–199.99 to 199.99 mV
3 and 4
e Ud
1.0000 to 5.0000 V
2 and 4
DC current input
a ad
–199.99 to 199.99 mA
1 and 4
b ad
–19.999 to 19.999 mA
2 and 4
c ad
–1.9999 to 1.9999 mA
3 and 4
d ad
4.000 to 20.000 mA
2 and 4
AC voltage input
a Ua
0.0 to 400.0 V
1 and 4
b Ua
0.00 to 199.99 V
1 and 4
c Ua
0.000 to 19.999 V
2 and 4
d Ua
0.0000 to 1.9999 V
3 and 4
AC current input
a aa
0.000 to 10.000 A
1 and 4
b aa
0.0000 to 1.9999 A
1 and 4
c aa
0.00 to 199.99 mA
2 and 4
d aa
0.000 to 19.999 mA
3 and 4
Sensor Power Supply
A rated output current of 80 mA at 12 VDC.
Terminal 4 (ANALOG COMMON) and terminal 11 (GND) are insulated from
each other.
Base Unit
Section 2-2
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