Module Performance Specifications Comparisons - Mitsubishi Electric MELSEC-A Series Manual

5
REPLACEMENT OF THE MELSECNET/10 (REMOTE I/O NETWORK)

5.2.2 Module performance specifications comparisons

(1)
Comparison of
mode)
Item
LX/LY 8192 points
Maximum number
of link points per LB 8192 points
network
LW 8192 points
<Remote master station  remote I/O station>
Maximum number of link {(LY + LB) 8 + (2 × LW)}
<Remote I/O station  remote master station>
points per station
(LY + LB) 8 + (2 × LW)}
Maximum number of I/O
X + Y
points per remote I/O station
Communication speed 10Mbps
Communication method Token ring method
Synchronous type Frame synchronization method
Encoding method NRZI coding (Non Return to Zero Inverted)
Transmission method Duplex loop
Transmission format HDLC standards (frame format)
255
Maximum number of (Total number of PLC to
networks PLC networks and
remote I/O networks)
Number of stations connected
65 stations (Remote master station: 1, remote I/O station: 64)
in one network
SI optical cable, H-PCF optical cable, broad-band H-PCF optical cable, QSI
Applicable cable
optical cable
Overall distance 30km
SI optical cable: 500m, H-PCF optical cable: 1km
Distance between stations
Broad-band H-PCF optical cable: 1km, QSI optical cable: 1km
Error control system
CRC (X
Loop-back function due to error detection or disconnection of a cable
Diagnostic function for checking local link lines
RAS function
Abnormal detection using the link special relay and link special register
Network monitoring and various diagnostic functions
Monitoring, program up/download with a peripheral device
Transient transmission
Dedicated link instruction
*1 For the A1SJ72QLP25, the maximum number of I/O points per remote I/O station is "X + Y
5
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AJ72LP25/AJ72QLP25/A1SJ72QLP25 and QJ72LP25-25 (MELSECNET/10
Specifications
AJ72QLP25
AJ72LP25
A1SJ72QLP25
1600 bytes
1600 bytes
2048 points X + Y 2048 points
239
(Total number of PLC to PLC networks and remote
I/O networks)
16 12 5
+ X + X + 1) and retry by a time over
: Compatible,
Compatibility
QJ72LP25-25
(MELSECNET/10 mode)
*1
X + Y 2048 points
: Partial change required, ×: Incompatible
Precautions for replacement
Network No.240 to No.250 cannot
be set. Replace them with unused
network No.
For comparison of dedicated link
instructions, refer to Section 5.1.7.
1024 points".