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3.2 Cable Specifications
3.2.3 Shielded twisted pair cable
3
SPECIFICATIONS
3.2.3 Shielded twisted pair cable
The following shows the specifications of a shielded twisted pair cable used in the
MELSECNET/B data link system.
Table 3.7 Specifications of shielded twisted pair cable
Item Description
Model name
KNPEV-SB 0.5SQ 1P
Cable Shielded twisted pair cable
Core 2-core
Conductor resistance (20 ) 39.4 /km or less
Insulation resistance (20 )
10M km or more
Dielectric withstand voltage V-min 1000VAC 1 minute
Capacitance (1KHz) 70nF/km or less on average
Characteristic impedance
(100KHz)
110 10
Cross section
Maker TOA ELECTRIC INDUSTRIAL CO., LTD
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