108 Operating instruction SCK Gas Sampling System OI/SCK-EN Rev. E
Connecting external electric cables
Risk of injury in the area of the gas sampling system due to moving or fall-
ing parts, hot surfaces, anti-freeze, compressed air, lubricating oil
Wear general personal protective equipment:
Closed overalls with long trousers and long sleeves
Safety shoes
Safety gloves suitable for mechanical work
Safety glasses
Protective helmet
If necessary, additional protective equipment if prescribed by the opera-
tor.
Danger of electric shock when working on electric components
Only specialized electrical personnel may work on the electrical system.
Disconnect the gas sampling system from the power supply before work-
ing on the electrical components.
Observe national regulations pertaining to electrical equipment.
The main terminals -X30, -X40 and the input terminals of the main
switches -Q30, -Q40 are live even when the main switches are off.
All metallic parts in the environment that can be touched at the same
time as the machine must also be grounded together.
Check pre-protection according to the documentation.
The control unit of the sampling system is equipped with an Ethernet inter-
face. This interface is intended solely for service purposes. Any other use is
not allowed.
When using the Ethernet interface, external influences through the network
connection can disturb the time characteristics of the control program and
thus of the complete sampling system.
The location of the electric connections on the various modules can be found
in the electrical connection plan in the appendix.
Electrical connection plan
The following conditions must be met before connecting the power supply
lines:
Check that the voltage setting of the analyzer system matches the mains
voltage.
Make sure the power supply leads have an adequately dimensioned protec-
tive device (circuit breaker).
Mechanical, thermal
and material dangers
components
Interface
Position of the
connections
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