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7 Wiring
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
7-2 Connecting the Power Supply and Ground Wires
7
7-2-5 Wiring to the Screwless Clamping Terminal Block
*1. Some AWG14 wires exceed 2.0 mm
2
and cannot be used in the screwless clamping terminal block.
When you use any ferrules other than those in the above table, crimp them to the twisted wires so that
the following processed dimensions are achieved.
Using Twisted or Solid Wires
If you use twisted wires or solid wires, use the following table to determine the correct wire specifica-
tions.
Terminals
other than
ground ter-
minals
Weidmuller H0.14/12 0.14 (#26) Weidmuller (The figure in parentheses is the appli-
cable wire size.)
PZ6 Roto (0.14 to 6 mm
2
, AWG26 to 10)
H0.25/12 0.25 (#24)
H0.34/12 0.34 (#22)
H0.5/14 0.5 (#20)
H0.5/16
H0.75/14 0.75 (#18)
H0.75/16
H1.0/14 1.0 (#18)
H1.0/16
H1.5/14 1.5 (#16)
H1.5/16
Terminals Wire type
Wire size
Conductor
length
(stripping
length)
Classifica-
tion
Current
capacity
Twisted wires Solid wire
Plated Unplated Plated Unplated
All terminals
except
ground
terminals
2 A max. Possible Possible Possible Possible
0.08 to 1.5 mm
2
(AWG 28 to 16)
8 to 10 mm
Greater
than 2 A
and 4 A
or less
Not pos-
sible
Possible
*1
Not possi-
ble
Greater
than 4 A
Possible
*1
*1. Secure wires to the screwless clamping terminal block. Refer to Securing Wires for how to secure wires.
Not possi-
ble
Ground
terminals
--- Possible Possible
Possible
*2
*2. With the NX-TB1 Terminal Block, use twisted wires to connect the ground terminal. Do not use a solid
wire.
Possible
*2
2.0 mm
2
9 to 10 mm
Terminal
types
Manufac-
turer
Ferrule
model
Applica-
ble wire
(mm
2
(AWG))
Crimping tool
8 to 10mm
2.4 mm max.
(Terminals other than ground terminals)
2.7 mm max.
(Ground terminals)
1.6 mm max.
(Terminals other than ground terminals)
2.0 mm max.
(Ground terminals)
Conductor length (stripping length)
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