List Of Alternative Cpu Module Models - Mitsubishi Electric MELSEC-A0J2H Series Handbook

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REPLACING THE CPU MODULE
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2.1 List of Alternative CPU Module Models

The following is an example of alternative Q series CPU modules that can be chosen based on
compatibility with previous A0J2H series CPU. The optimal A0J2HCPU replacement may be selected
based on type of control, specifications, system scalability and cost.
Discontinued models in A0J2H series
Product name
A0J2HCPU
A0J2HCPUP21
CPU module A0J2HCPUR21
A0J2HCPUP21-S3
A0J2CPU-DC24
*1 When replacing MELSECNET CPU module with link function, select both a CPU module and a network module from the
table below.
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- 1
REPLACING THE CPU MODULE
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Model name Model name
*3
Q00UJCPU
*1
*1
*1
*2
*3
Q00UCPU
Q series alternative models
Remarks (restrictions)
1) I/O control: Refresh/direct switch  Refresh only
2) Processing speed (LD instruction): During refresh 1.25µs  0.12µs
3) PC MIX value: 0.2  4.92
4) Number of I/O points: 480 points  256 points
5) Number of I/O device points: 512 points  8192 points
6) Program capacity: 8K step  10K step
7) Number of file register points: 4096 points  0 points
8) Microcomputer program: Usable  Not usable
9) Number of I/O slots on main base: No main base (8 units connectable using
connection cable)  Max. 5 slots (including extension, Max. 16 slots available)
10) Number of extension stages: 4 modules + 1 stage (A55B, A65B)  2 stages
11) Applicable memory: Built-in RAM/4K/8K/16K ROM 
Built-in program memory(RAM)/built-in flash ROM
12) Configuration: Compact type  Building block type
(including 5 slot base unit, CPU module and power supply module)
1) I/O control: Refresh/direct switch  Refresh only
2) Processing speed (LD instruction): During refresh 1.25µs  0.08µs
3) PC MIX value: 0.2  7.36
4) Number of I/O points: 480 points  1024 points
5) Number of I/O device points: 512 points  8192 points
6) Program capacity: 8K step  10K step
7) Number of file register points: 4096 points  64K points
8) Microcomputer program: Usable  Not usable
9) Number of I/O slots on main base: No main base (8 units connectable using
connection cable)  Max. 12 slots (including extension, Max. 24 slots available)
10) Number of extension stages: 4 modules + 1 stage (A55B, A65B)  4 stages
11) Applicable memory: Built-in RAM/4K/8K/16K ROM 
Built-in program memory (RAM)/built-in flash ROM
12) Configuration: Compact type  Building block type