Specifications

MELSECNET/10
32
MELSECNET/10 for QnA
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Extended network devices
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MELSECNET/10 specifications
Item
PLC network Remote I/O network
Coaxial system Fiber optic system Coaxial system Fiber optic system
LX/XY 8192 points
LB 8192 points
LW 8192 points
M←R: (LW×2) (LB+LX)/8≤1600 bytes
Maximum network devices per station (LW×2)+(LB+LY)/8≤2000 bytes M→R: (LW×2) (LB+LY)/8≤1600 bytes
M↔R: (LW×2) (LB+LY)/8≤2000 bytes
Allowable power interruption 20ms
Transmission speed
10M bps (bus)
10/20M bps
10M bps (bus)
10/20M bps
10/20M bps (loop) 10/20M bps (loop)
Communication method Token pass
Synchronization Frame synchronization
Topology Bus or dual loop Dual loop Bus or dual loop Dual loop
500/2500m
30km
500/2500m (bus)
30km
Network distance (1640/8202 ft) (bus)
(98424 ft)
(1640/8202 ft) (bus)
(98424 ft)
30km (98424 ft) (loop) 30km (98424 ft) (loop)
500m (1640 ft) 500m (1640 ft)
Distance between stations 500m (1640 ft)
(SI 200/250)
500m (1640 ft)
(SI 200/250)
1km (3280.8 ft) 1km (3280.8 ft)
(QSI 200/250) (QSI 200/250)
Maximum number of network segments 255*
Maximum number of groups 9
Maximum number of stations
32 (bus)
64
32 (bus)
64
64 (loop) 64 (loop)
Modulation Manchester NRZI Manchester NRZI
Frame format HDLC
Frame check CRC
Maximum network devices
per network segment
QSI200/250 fiber GI50/125 fiber GI62.5/125 fiber Coxial loop Coaxial bus
optic loop system optic loop system optic loop system system system
For large QnA PLC
For PLC network & AJ71QLP21
AJ71QLP21G ——AJ71QBR11
remote I/O master AJ71QLP21S
For large A PLC
For PLC network &
AJ71LP21 AJ71LP21G AJ71LP21GE AJ71LR21 AJ71BR11
remote I/O master
For large I/O Remote I/O I/F
AJ72QLP25
AJ72QLP25G A72LP25GE* AJ72LR25* AJ72QBR15
AJ72LP25
*QnA specific special function modules cannot be used on remote I/O rack with this remote I/O interface.
*239 when any QnACPU is in the network system.
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