3. SPECIFICATIONS
MELSEC-A
3-2
3.2 Performance
Specifications
This section explains performance specifications for the AJ71PB96F/A1SJ71PB96F.
Table 3.2 Performance Specifications
Item Specifications
Model AJ71PB96F
A1SJ71PB96F
Transmission speed
9.6, 19.2, 93.75, 187.5, 500, 1500kbps
Coding method
NRZ
Synchronization method
Asynchronous
Electrical standards and characteristics
EIA-RS485 compliance
Medium
Shield twisted cable
Network configuration (topology)
Bus type (However, tree type when a repeater is used)
Transmission
9.6kbps
19.2kbps
93.75kbps
1200m (3937ft.)
distance 187.5kbps
600m
(1969ft.)
500kbps
200m
(656ft.)
1500kbps
100m
(328ft.)
Number of connection nodes
32, 62 (1 repeater), 9 (2 repeaters), 122 (3 repeaters)
Number of repeaters/network *1
3 repeaters (max)
Data link method
Token passing (between master-master), polling (between
master-slave)
Transmittable data
241 bytes (max)/1 time
Number of occupied I/O points
32 points (I/O allocation: special 32 points)
5VDC internal power consumption (A)
0.54
0.56
Withstand noise, withstand voltage,
insulation resistance
According to the power supply module specifications of
the system in which the AJ71PB96F/A1SJ71PB96F will be
installed. (Refer to the CPU module's users manual.)
External dimensions (mm)
250 (9.84in.) (H)
×
37.5 (1.48in.) (W)
×
106 (4.17in.) (D)
130 (5.12in.) (H)
×
34.5 (1.36in.) (W)
×
97.6 (3.84in.) (D)
Weight (kg)
0.37(0.81lb)
0.27 (0.59lb)
*1
The transmission distance (m/network) can be extended by using a repeater.
Transmission distance (m/network) = (number of rep 1)
×
transmission distance (m/segment)