2
2. Performance Specification
The A1SJ71AS92 performance specifications are shown below.
Item Specification
Number of AS-i systems
Two systems
Maximum number of AS-i slaves
62 (31
×
2 systems)
Input
248 points (124 points
×
2 systems)
Maximum number of AS-i
system input/output points Output
248 points (124 points
×
2 systems)
Input/output refresh time
Approx. 5ms (when maximum number of
input/output points are connected)
Communication speed
167kbps
Transmission distance
Maximum 100m(328.1 ft.)/system (Maximum
300m (984.3 ft.) when two repeaters are used)
Connection type
Bus network type, independent for each
system.(Star, line, tree or ring)
Communication method
APM modulation method (Alternating Pulse
Modulation)
Error control method
Parity check
Internal memory
Flash ROM (for registering slave configuration)
Number or writes: 10000 times or less
Number of occupied input/output points 32 points (I/O assignment: special 32 points)
Applicable wire
Use AS-i cables
Applicable crimp terminal
R2-3.5, RAV 2-3.5, RAP 2-3.5, RBV 2-3.5, RBP 2-
3.5 (JIS C2805 compliant)
Voltage
30.5VDC (supplied independently to each system
from AS-i power supply)
External
power supply
Current consumption
70mA/system (TYP 30.5VDC)
5VDC internal current consumption
0.15A
Weight 0.30kg
For general specifications of the A1SJ71AS92, refer to the users manual for the CPU
module that is to be used.
Summary of Contents for MELSEC-A A1SJ71AS92
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