Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 61

3 SPECIFICATIONS
CAUTION
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(2) Connecting the coaxial cable connectors
The following section explains how to connect the BNC connector (the connector
plug for the coaxial cable) to the cable.
(a) Using a BNC connector manufactured by DDK Ltd.
The following explains how to connect the BNC-P-3-NiCAu or BNC-P-5-
NiCAu to the cable.
 Correctly solder coaxial cable connectors. Incorrect soldering may result in
malfunction.
 Structure of the BNC connector and coaxial cable
Components of the BNC connector
Nut
Plug shell
Clamp
 How to connect the BNC connector and the coaxial cable
1) Cut the portion of the outer sheath of the coaxial cable as shown in the
figure below.
A
Cut this portion of the outer sheath
2) Fit the nut, washer, gasket, and clamp onto the coaxial cable, as
shown below, and then loosen the external conductor.
3) Cut the external conductor, insulating material and internal conductor
to the dimensions shown below. Note that the external conductor must
be cut to the same dimension as the tapered section of the clamp and
smoothed down to the clamp.
Insulating material
Internal conductor
C
B
Clamp
and external conductor
Washer Gasket
Contact
3C-2V
5C-2V, 5C-2V-CCY
Clamp
Nut
Washer
Gasket
Cable
3C-2V
5C-2V, 5C-2V-CCY
MELSEC-Q
Cable
15mm (0.59 inches)
10mm (0.39 inches)
B
6mm
(0.24 inches) (0.12 inches)
7mm
(0.28 inches) (0.20 inches)
A
C
3mm
5mm
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