Mitsubishi MELSECNET/10 A1SJ72QLP25, User Manual

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2
2. Performance Specifications
The performance specifications for Network Modules are indicated as follows.
(1) A1SJ72QLP25
Specifications
Item
A1SJ72QLP25
X/Y 8192 points
B 8192 points
Maximum link
points per
network
W 8192 points
Maximum link points per
station y Remote master station remote I/O station
Y+B
8
+ (2 W) <1600 bytes
y
Remote I/O station remote master station
X
+B
8
+ (2 W) <1600 bytes
y Remote master station remote sub-master station
Remote sub-master station remote master station
Y+B
8
+ (2 W) <2000 bytes
Maximum number of I/O
points per remote I/O station X+Y<1024 (main base unit + 1 extension base units)
When X and Y overlap, either of them becomes effective.
Communication speed 10Mbps (equivalent to 20Mbps for multiple transmission)
Communication method Token ring
Synchronization method Frame synchronization
Encoding method NRZI encoding (Non Return to Zero Inverted)
Transmission route format Duplex optical loop
Transmission format Conform to HDLC (frame format)
Maximum number of networks 239
Number of stations for
connection per network
65 stations (Remote master station: 1 Remote I/O stations: 64)
Overall distance 30km
Station-to-station distance *1 SI optical cable : 500m
H-PCF optical cable : 1km
Broad-band H-PCF optical cable : 1km
QSI optical cable
: 1km
Error control method Retry by CRC (X
16
+X
12
+X
5
+1) and overtime
RAS function y Loop back function due to abnormality detection and cable
disconnection
y Diagnostic function for local link circuit check
y Abnormality detection by link special relay, resistor
y Network monitor, each type of diagnostic function
Transient transmission Monitoring with peripheral device, program up/download
Connection cable Optical fiber cable (Arranged by user *2)
Applicable connector 2-core optical connector plug (Arranged by user *2)
5VDC current consumption 0.52A
Weight 0.41kg
*1: The distance between stations is restricted in accordance with the type of cable and number
of stations. Refer to Reference Manual of master module in use for details.
*2: Specialised training and specific tools are required to connect the connector to the
optical-fiber cable; the connector itself is a custom product. Please contact your nearest
Mitsubishi Electric System Service Corporation when purchasing these items.
For general specifications of the network module, refer to the user's manual for the PLC CPU
that is to be used.