2
2. Performance Specifications
If the X/Y numbers are duplicate, only one side is taken into consideration.The
following table shows the performance specifications for the network module:
Specifications
Item
QJ72LP25-25 QJ72LP25G
LX/LY 8192
points
LB
16384
points
Remote master station remote sub-master,
remote I/O station: 8192 points
Remote sub-master, remote I/O station
remote master station: 8192 points
Maximum number
of links per network
LW
16384
points
Remote master station remote sub-master,
remote I/O station: 8192 points
Remote sub-master, remote I/O station
remote master station: 8192 points
Maximum number of links per
station
• Remote master station Remote I/O station *1
{(LY + LB) /8 + (2 × LW)} 1600 bytes
• Remote I/O station Remote master station *1
{(LX + LB) /8 + (2 × LW)} 1600 bytes
• Multiplexed remote master station
Multiplexed remote sub-master station
{(LY + LB) /8 + (2 × LW)} 2000 bytes
Maximum I/O points per
remote I/O station
X + Y 4096 points
If the X/Y numbers are duplicate, only one side is taken into
consideration.
Communication speed
25Mbps/10Mbps
(selected with MODE switch)
10Mbps
Communication method
Token ring
Synchronization method
Frame synchronization
Transmission path format
Duplex loop
Maximum number of networks 239
Number of stations per network
65 stations
(Remote master stations: 1, Remote I/O stations: 64) *2
Overall distance
30 km
10Mbps
Sl optical cable:
500 m
H-PCF optical cable: 1 km
Broad-band H-PCF optical cable:
1 km
QSl optical cable:
1 km
GI-50/125optical
cable: 2 km
Distance between
stations *3
25Mbps
Sl optical cable:
200 m
H-PCF optical cable: 400m
Broad-band H-PCF optical cable:
1 km
QSl optical cable:
1 km
-
Network cable
Optical fiber cable (procured by user *4)
Applicable connector
2-core optical connector plug (procured by user *4)
Base unit installation position CPU slot
5 VDC internal current
consumption
0.89A
External dimensions
98 (3.86) (H)
×
27.4 (1.08) (W)
×
90 (3.54) (D) [mm(inch)]
Weight 0.15kg
