Mitsubishi Electric Q02CPU-A

Technical specifications

Manufacturer

Mitsubishi Electric

Manufacturer part no.

Q02CPU-A

Type

MELSEC-Q CPU module

Application

PLC controller

Used with

MELSEC-Q base units

Control method

Stored program cyclic operation

I/O control mode

Refresh mode

Programming language, Sequence control language

Relay symbol language, logic symbol language, MELSAP-II (SFC)

Processing speed, Sequence instruction

79 ns/step

Constant scan

10...190 ms (setting is available in increments of 10 ms by parameter)

Program capacity, Main sequence program

Maximum 28K steps

Program capacity, Sub sequence program

None

Memory capacity

144K bytes of built-in RAM + 144K bytes of built-in ROM

Number of I/O device points

8192 points (X/Y0...1FFF)

Number of I/O points

4096 points (X/Y0...FFF)

RUN/PAUSE contact

One contact can be set up in X0 to X1FFF for each of RUN and PAUSE.

Comment

Maximum 4032 points (Set with the unit of 64 points)

Expanded comment

Maximum 3968 points (Set with the unit of 64 points)

Switch output mode from STOP to RUN

Select "Set the output status at STOP to RUN. (Default)" or "Output after operation execution."

Self-diagnostics function

Watchdog error supervision; Error detection in the memory, CPU, I/O, battery, etc.

Operation mode when there is an error

Select STOP or continue

Start-up method at RUN

Initial start; (upon power supply on/power restoration after power failure, automatic restart by turning the RUN switch of the CPU or ON.)

Print title registration

YES (128 characters)

Keyword registration

YES

I/O assignment

Possible to register number of occupied I/O points and module model names.

Step operation

Possible to execute or stop sequence program operations.

Interrupt processing

Possible to operate an interrupt program by the interrupt module or constant period interrupt signal.

Data link

MELSECNET/10, MELSECNET(II), MELSECNET/B

Clock function

Year, month, date, hour, minute, second, and day of week (automatic leap year detection); Accuracy: -3.18...+5.25 s (TYP. +2.12 s)/d at 0 ˚C; Accuracy: -3.93...+5.25 s (TYP. +1.90 s)/d at 25 ˚C; Accuracy: -14.69...+3.53 s (TYP. -3.67 s)/d at 55 ˚C

Allowable momentary power failure time

The time differs depending on the power supply module used.

Technical documents (1)

• Mitsubishi Electric specification database, Q02CPU-A

Key features

• Constant scan: 10...190 ms (setting is available in increments of 10 ms by parameter)
• Current consumption (5 V DC): 0.60 A
• Weight: 0.20 kg
• Programming: Relay symbol language, logic symbol language, MELSAP-II (SFC)

About the Mitsubishi Electric Q02CPU-A

The Mitsubishi Electric Q02CPU-A is a MELSEC-Q CPU module. Mitsubishi Electric's overview: Number of input points: 4096, number of I/O device points: 8192, program capacity: 28K steps, basic operation processing speed (LD X0): 79 ns, program memory capacity: 144K bytes, external interface: RS-232, with memory card interface for A mode. Mitsubishi Electric lists it as discontinued since 2018/09.

What is the Q02CPU-A used for?

The Q02CPU-A runs the control program on a MELSEC-Q base unit, working with the I/O, intelligent function and network modules on the base.

Lifecycle and successor

Discontinued.

Before you order

What to photograph or confirm so the right unit is quoted.

Check the model name Q02CPU-A on the rating plate, with the serial number and function version. Send us a photo of the rating plate and we will confirm the details before quoting.