Siemens YASKAWA 840DI Maintenance Manual page 16

Safety precautions
• Ensure that the environmental requirements are fully met.
• Take care so that no wire chips or other foreign matter would enter the product.
• When using the programming functions, always follow the instructions given in the
• Do not touch the heat sinks, as they can get very hot.
• Confirm that the speed limits of the motors are compatible with the Inverter
• Do not measure the signal voltages during operation.
• The Inverters and Servo Units are already set at the factory. Do not change the
A fire, electric shock, or malfunction could result if the product were operated in
excessively hot, humid, dusty, corrosive, vibration-, or shock-ridden conditions.
The environmental requirements are these:
• The atmosphere must be free of corrosive gas or vapor.
• There must be no risk of being splashed with machining oil or organic solvent.
• The relative humidity must be between10 and 90% with no dew.
• The ambient temperature around the control panel must be between 5 and 30°C. The
control panels must be protected from freezing, direct sunlight, heat sources, or the
elements.
• Floor vibration must not be more than 4.9m/s
Otherwise a fire, damage, or malfunction could result.
relevant manuals.
Otherwise injury or malfunction could result.
Otherwise a burn could result.
settings before operation.
Otherwise injury could result.
Otherwise damage could result.
settings unless you know exactly what you are doing.
Otherwise damage could result.
CAUTION
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