Mitsubishi A2SHCPU (S1) User Manual

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4. CPU MODULE
4 CPU MODULE
4.1 Performance Specifications
Performance specifications of CPU modules are shown below.
*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.
Performance specifications
Item
Model
Remark
A1SJHCPU(S8) A1SHCPU A2SHCPU(S1)
Control method Sequence program control method
I/O control mode Refresh mode/Direct mode selectable
Programming language
Language dedicated to sequence control
Relay symbol language, logic symbol language, MELSAP-II (SFC)
Processing speed (sequence instruction)
Refresh: 0.33 s/step
Direct: 2.1 s/step
Refresh: 0.25 s/step
Direct: 1.9 s/step
Constant scanning
(Program start-up with a specified interval)
Can be set between 10ms and 2000ms in 10ms units.
Set in special register
D9020.
Memory capacity
*1
A1SJHCPU(S8), A1SHCPU, A2SHCPU: 64k byte (built-in RAM)
A2SHCPU-S1: 192k byte (built-in RAM)
Program capacity
(steps)
Main sequence
program
Max. 8k steps
A2SHCPU:
Max. 14k steps
A2SHCPU-S1:
Max. 30k steps
Set in parameters.
Subsequence program None
Number of I/O device points
*2
2048 points (X/Y0 to X/Y7FF)
The number of points
usable in the program
Number of I/O points 256 points (X/Y0 to X/YFF)
512 points
(X/Y0 to X/Y1FF)
The number of points
which can be used for
access to actual I/O
modules

Mitsubishi A2SHCPU (S1) Specifications

General

Brand	Mitsubishi
Model	A2SHCPU (S1)
Category	Controller
Language	English