Rs-422/485 Cable Specifications - Mitsubishi QJ71C24N User Manual

3 SPECIFICATIONS

3.3.2 RS-422/485 cable specifications

Number of pairs
Conductor resistance (20 °C)
Insulation resistance
Dielectric strength
Electrostatic capacitance (1 kHz)
Characteristic impedance (100 kHz)
Recommended conductor size
Temperature rating
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The following shows the RS-422/485 cable specification.
(1) Use a 1200 m (3937 ft.), or shorter, cable that satisfies the following specification
for the RS-422/485 cable (cable to connect the Q series C24 terminal block).
Item
Cable type
Diameter
Type
Material
(Recommended cable)
SPEV (SB)-MPC-0.2
SPEV (SB)-0.2
SPEV (SB)-MPC-0.2
characteristics, but different external diameter and internal wire colors.
(2) Make the total distance within 1200 m (3937 ft.) when two or more device are
connected in a 1:n or m:n configuration.
3P ..... (MITSUBISHI CABLE INDUSTRIES, Ltd.)
3P .............. (MITSUBISHI CABLE INDUSTRIES, Ltd.)
3P and SPEV (SB)-0.2
Description
Shielded cable
3P
88.0 /km or less
10000 M - km or more
500 V DC, 1 minute
60nF/km or less on average
110 ± 10
2 2
0.2 mm to 0.75 mm
AWG22 to AWG16
Stranded wire
Copper wire
60°C or more
3P have the same electrical
MELSEC-Q
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