Cpu Module; Performance Specifications - Mitsubishi A1SJH(S8) User Manual

4.

CPU MODULE

4 CPU MODULE
4.1

Performance Specifications

Performance specifications of CPU modules are shown below.
Item
Control method
I/O control mode
Programming language
Processing speed (sequence instruction)
Constant scanning
(Program start-up with a specified interval)
*1
Memory capacity
Main sequence
Program capacity
program
(steps)
Subsequence program
*2
Number of I/O device points
Number of I/O points
Performance specifications
A1SJHCPU(S8)
Sequence program control method
Refresh mode/Direct mode selectable
Language dedicated to sequence control
Relay symbol language, logic symbol language, MELSAP-II (SFC)
Refresh: 0.33
Direct: 2.1
Can be set between 10ms and 2000ms in 10ms units.
A1SJHCPU(S8), A1SHCPU, A2SHCPU: 64k byte (built-in RAM)
A2SHCPU-S1: 192k byte (built-in RAM)
Max. 8k steps
2048 points (X/Y0 to X/Y7FF)
256 points (X/Y0 to X/YFF)
*1 Each memory capacity for the programmable controllers is the sum total of the parameters, T/
C setting values, program capacities, file registers, comment points, sampling traces and
status latches.The memory capacities are unchanged.The extension memories cannot be
approved.
For the calculation method of memory capacity, refer to Section 4.2.2.
*2 I/O devices of the actual number of I/O points or later can be used as the MELSECNET/B,
MELSECNET/MINI or CC-Link.
4 - 1
Model
A1SHCPU A2SHCPU(S1)
s/step Refresh: 0.25
s/step Direct: 1.9
A2SHCPU:
Max. 14k steps
A2SHCPU-S1:
Max. 30k steps
None
(X/Y0 to X/Y1FF)
Remark
s/step
s/step
Set in special register
D9020.
Set in parameters.
The number of points
usable in the program
The number of points
512 points which can be used for
access to actual I/O
modules