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BASIC SAFETY INSTRUCTIONS
1.4 Electrical connection
ATTENTION
In order to prevent malfunctions or unpredictable conditions, ob-
serve the following instructions:
► Foranyworkonthedeviceswitchothesupplyvoltage.
► Never bridge upstream protective devices (also not for test purpo-
ses).
► Install all required covers and protective devices for operation.
► The electrical installation shall be carried out in accordance with the
relevant requirements.
► Cable cross-sections and fuses must be dimensioned according to
thedesignofthemachinemanufacturer.Speciedminimum/maxi-
mum values may not be fallen below /exceeded.
► With existing or newly wired circuits the person installing the units or
machines must ensure the EN requirements are met.
► When using components without isolated inputs/outputs, it is neces-
sary that equipotential bonding exists between the components to
be connected (e.g. by the equipotential line). Disregard can cause
destruction of the components by equalizing currents.
1.5 Start-up and operation
When the device is installed in machines, start-up (i.e. commencement of the intended
operation) is prohibited until it is determined that the machine complies with the machine
directive; Account is to be taken of EN 60204-1.
• During operation, all covers and doors shall be kept closed.
• Use only approved accessories for this device.
• Never touch terminals, busbars or cable ends.
1.6 Maintenance
The following maintenance work has to be carried out when required, but at least once
per year by authorized and trained personnel.Check unit for loose screws and plugs and
tighten if necessary.
► Check unit for loose screws and plugs and tighten if necessary.
► Clean the device from dirt and dust deposits. Depending on the device, pay particu-
larattentiontoventilationslotsorcoolingns.
► Examineandcleanextractedairlterandcoolingairlterofthecontrolcabinet.
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