Mitsubishi Electric A1SJ71AP23Q User Manual page 24

(3) Performance specifications of MELSECNET/B data link system
and A1SJ71AT23BQ
Table 2.3 Performance specifications of MELSECNET/B data link system and A1SJ71AT23BQ
Item
Maximum
Input (X)
applicable link
points per
Output (Y)
station
B
Maximum link
points in a
system
W
Master
station
Maximum link
Local station
points per
station
Remte I/O
station
Communication speed
Communication method
Synchronization method
Transmission path
Overall cable distance
Number of connected
stations
Modulation method
Transmission format
Error control system
RAS function
Connector
Connecteur
Applicable cable
Câbles à utiliser
Number of I/O occupied
points
Internal current consumption
(5VDC)
Weight
MELSECNET/B data link system
MELSECNET
mode
Up to the maximum number of I/O points for the CPU module
used in the master station is applicable.
(The total number of link points for slave station is equal to the
number of link using points for the master station)
1024 points
(128 byte)
1024 points
(2048 byte)
1024 byte
512 byte
Number of I/O
points: 512 points
125kbps/250kbps/500kbps/1Mbps
Half duplex bit serial method
Frame synchronization method
Bus method
Changed due to communication speed (125kbps: 1200m,
250kbps: 600m, 500kbps: 400m, 1Mbps: 200m)
Up to 32 (Master station: 1, The total number of local stations
and remote I/O stations: 31)
NRZI method
Conforming to HDLC (Frame format)
Retries due to CRC (generating polynomial X
time out
Diagnostic function including link line check of host station etc.
Terminal block
Plaque à bornes
Shielded twisted pair cable (User prepared)
Paire torsadée blindée (À préparer par l'utilisateur)
32 points (Intelli: 32 points)
0.66A
0.22kg
7
Specifications
MELSECNET II
mode
4096 points (512 byte)
4096 points (8192 byte)
1024 byte (First half of link parameters)
1024 byte (Latter half of link parameters)
-
MELSECNET II
composite mode
512 byte
Number of I/O
points: 512 points
16 12 5
+X +X +1) and