
3
(2) A1SJ72QLR25, A1SJ72QBR15
Specifications
Item A1SJ72QLR25 A1SJ72QBR15
X/Y 8192 points
B 8192 points
Maximum link
points per
network W 8192 points
Maximum link points per
station
yRemote master station remote I/O station
Y+B
8+ (2 W) <1600 bytes
yRemote I/O station remote master station
X+B
8+ (2 W) <1600 bytes
yRemote 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)
10Mbps
Communication method Token ring Token bus
Synchronization method Frame synchronization
Encoding method Manchester encoding
Transmission route format Duplex coaxial loop Single coaxial bus
Transmission format Conform to HDLC (frame format)
Maximum number of networks 239
65 stations 33 stationsNumber of stations for
connection per network Remote master station: 1
Remote I/O stations: 64
Remote master station: 1
Remote I/O stations: 32
3C-2V 19.2km(300m) 3C-2V 300m(300m)
5C-2V 30km(500m) 5C-2V 500m(500m)
Overall distance
(Station-to-station distance)
*1
-
Can be extended to 2.5km when
used with a repeater module
(A6BR10, A6BR10-DC)
Error control method Retry by CRC (X16+X12+X5+1) and overtime
RAS function yLoop back function due to abnormality detection and cable
disconnection (A1SJ72QLR25)
yDiagnostic function for local link circuit check
yAbnormality detection by link special relay, resistor
yNetwork monitor, each type of diagnostic function
Transient transmission Monitoring with peripheral device, program up/download
Connection cable Equivalent to 3C-2V, 5C-2V cables (Arranged by user)
Applicable connector Equivalent BNC-P-3-NiCAu (For 3C-2V),
BNC-P-5-NiCAu (For 5C-2V) (DDK) (Arranged by user)
5VDC current consumption 1.24A 0.70A
Weight 0.42kg 0.43kg
*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.
For general specifications of the network module, refer to the user's manual for the PLC CPU
that is to be used.