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vIM 34M6H28-01E 1st Edition : Feb.01,1999-00
■General Requirements for Using FA-M3 Controllers
●Avoid installing FA-M3 controllers in the following locations:
• Where the instrument will be exposed to direct sunlight, or where the operating tem-
perature is outside the range 08to 558C.
• Where the relative humidity is outside the range 10 to 90%, or where sudden tempera-
ture changes may occur and cause condensation.
• Where corrosive or inflammable gases are present.
• Where the instrument will be exposed to direct mechanical vibration or shock.
●Securely tighten screws:
• Securely tighten module mounting screws and terminal screws to avoid problems
such as faulty operation.
●Securely fasten connectors of interconnecting cables:
• Securely fasten connectors of interconnecting cables, and check them thoroughly
before turning on the power.
●Interlock with emergency-stop circuitry using external relays:
• Equipment incorporating the FA-M3 controllers must be furnished with emergency-
stop circuitry that uses external relays. This circuitry should be set up to interlock
correctly with controller status (stop/run).
●Ground FA-M3 controllers to an independent Japanese Industrial Standard
(JIS) Class 3 Ground:
• Avoid grounding the FG terminal of the FA-M3 controller to the same ground as high-
voltage power lines. Ground the terminal to an independent JIS Class 3 ground
(ground resistance up to 100 Ω).
●Observe countermeasures against noise:
• When assigning inputs/outputs, the user should avoid locatingAC-supplied I/O mod-
ules in the vicinity of the CPU module.
●Keep spare parts on hand:
• Stock up on maintenance parts, including spare modules, in advance.
●Discharge static electricity before operating the system:
• Because static charge can accumulate in dry conditions, first touch grounded metal to
discharge any static electricity before touching the system.
●Never use solvents such as paint thinner for cleaning:
• Gently clean the surfaces of the FA-M3 controllers with a piece of soft cloth soaked in
water or a neutral detergent.
• Do not use solvents such as paint thinner for cleaning, as they may cause deforma-
tion, discoloration, or malfunctioning.
