4 operation, 5 maintenance, Operation – Pilz PMI 509 User Manual
Page 13: Maintenance
Safety
Operating Manual PMI 5
1002241EN05
13
CAUTION!
Safe electrical isolation must be ensured for the external power supply gen
erating the 24 V voltage supply. Failure to do so could result in electric
shock. Power supplies must conform to DIN VDE 0551/EN 60742 and
EN 50178.
3.3.4
Operation
}
Plan the system correctly to ensure that a communication error between the PMI and
the host computer does not cause a malfunction.
}
Do not operate the touchscreen interface using hard or heavy objects or apply excess
ive pressure.
}
The maximum ambient temperature must not be exceeded when using the unit.
}
Do not pour liquids over the unit or insert any objects into the unit.
}
When in storage and during operation, protect the unit from vibration and shock.
}
Avoid using chemicals close to the system.
3.3.5
Maintenance
}
Do not use thinners or organic solvents to clean the unit and touchscreen surface.
NOTICE
The touchscreen surface is not abrasion resistant; if it is dirty, please clean
with care and do not apply heavy pressure.
Further information on care and maintenance of the touchscreen can be found in the
chapter "Care and Maintenance".