Performance Specifications; Cpu Module Performance Specifications; Anncpu Module Performance Specifications - Mitsubishi Electric MELSEC A Series User Manual

2. Performance Specifications

2.1 CPU Module Performance Specifications

2.1.1 AnNCPU Module Performance Specifications

Table 2.1 shows the memory capacities of the CPU modules and the performance
of their devices.
Item
Control system
I/O control mode
Programming language
Sequence
instructions
Instruction
Basic
(types)
instructions
Application
instruction
Processing speed
(Sequence instruction)
(µ sec/step)
I/O points
Watch dog timer (WDT)
(msec)
Memory capacity
Main
sequence
Program
program
capacity
Sub-sequence
program
*1 The SFC language cannot be used with an A1NCPU.
Table 2.1 Performance Specifications
A1NCPU
Stored program, repeated operation
Refresh / direct mode selectable
Language dedicated to sequence control.
(Combined use of relay symbol type, logic symbolic language and
MELSAP-II(SFC)*1)
26
131
103 107
Direct mode
Refresh mode
256 points 512 points
(X/Y0 to FF) (X/Y0 to 1FF)
10 to 2000ms
Capacity of installed memory cassette
Max. 16k bytes
Max.448k bytes
Max. 6k steps Max.14k steps
Absent
Performance
A2NCPU A2NCPU-S1
: 1.0 to 2.3
: 1.0
1024 points
(X/Y0 to 3FF)
2
A3NCPU
132
110
2048 points
(X/Y0 to 7FF)
Max. 30k steps
Max. 30k steps