Mitsubishi Electric MELSEC-A Series Manual page 46

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