REPLACEMENT OF MELSECNET (II) AND /B (PLC TO PLC NETWORK)
2 - 9
2
(3) Twisted pair cable
(a) Overall distance, Distance between stations
: Compatible, : Partial change required, × : Incompatible
(b) Cable performance
1) Twisted pair cable
*1 The same specifications as the MELSECNET/B twisted pair cable.
To use the existing MELSECNET/B twisted pair cables, process the terminals.
For details, refer to the Q Corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network) (SH-
080049).
2) CC-Link dedicated cable
Communication
speed
Specifications
Compat-
ibility
Precautions for replacement
MELSECNET/B module
MELSECNET/H module
(QJ71NT11B)
Twisted pair cable
Twisted pair
cable
CC-Link
dedicated cable
125kbps 1200m 1200m 1200m
250kbps 600m - -
Change the communication speed from 250Kbps to
312Kbps.
312kbps - 600m 900m
500kbps 400m - -
Change the communication speed from 500Kbps to
625Kbps.
625kbps - 400m 600m
1Mbps 200m - -
Change the communication speed from 1Mbps to
1.25Mbps.
1.25Mbps - 200m 400m
2.5Mbps -
(Not available)
200m -
New function of MELSECNET/H
5Mbps - 150m -
10Mbps - 100m -
Item
Specifications (KNPEV-SB 0.5SQ × 1P
*1
)
Cable type Shielded twisted pair cable
Number of cores 2
Conductive resistance (20°C) 39.4 /km or lower
Insulation resistance (20°C) 10 M/km or higher
Dielectric withstand voltage (V-min) 1000 V AC for one minute
Electrostatic capacity (1kHz) 70 nF/km or less (on average)
Characteristic impedance (100kHz)
110 ±
10
Cross section
Product name Mdele name Remark
Ver.1.10-compatible CC-Link dedicated cable
FANC-110SBH
FA-CBL200PSBH
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