Omron FQM1-MMP21 用户手册

Prevent exposure to corrosive gases, flammable gases, dust, dirt, salts, metal
dust, direct sunlight, water, oils, and chemicals.

Environmental Conditions Check

No

Is the ambient 

temperature below 

55

°C?

Is the ambient 

temperature above 

0

°C?

Is the ambient 

humidity between 10% 

and 90%?

Is noise being 

controlled?

Yes

Install surge suppressor or 
other noise-suppressing 
equipment at noise sources.

Consider using an air 
conditioner.

Consider using a heater.

Consider using a fan or air 
conditioner.

No

Yes

No

Yes

No

Yes

Is atmosphere 

acceptable?

Consider installing in a panel 
or improving the installation 
location.

No (See note.)

Yes

End

The Power Supply Unit’s POWER indicator is not lit.

PCB short-circuited or dam-
aged.

Replace the Power Supply Unit.

The RDY indicators on the Modules do not go ON.

The power supply line is faulty

Replace the Power Supply Unit.

The Coordinator Module’s RUN indicator does not go 
ON.

An error in program is causing a 
fatal error

Correct program

The Power Supply Unit’s RUN output* does not turn 
ON.
The Coordinator Module’s RUN indicator is lit.

(*CJ1W-PA205R Power Supply Unit only)

Internal circuitry of Power Sup-
ply Unit is faulty.

Replace the Power Supply Unit.

Motion Control Module does not operate or does not 
operate properly.

The I/O bus is faulty.

Replace the Motion Control 
Module.

A particular I/O point does not operate.

Error occurs in 8-point or 16-point units.

A particular I/O point stays ON.

None of a particular Module’s I/O points will go ON.