5.3 Electrical connections
ATTENTION
Make sure that the voltage on the socket corresponds to the voltage given on the type plate of the
instrument.
Always connect the instrument to an earthed socket. External connections and extension cables
must be provided with an earthed conductor lead (3-pole couplings, cable or plug equipment) as this
lead cannot be interrupted, thus avoiding risks due to internal defects.
Make sure that no electric sparks form in the instrument or its sorroundings as they might damage
the instrument.
• Connect the controller to the vacuum pump by means of the
communication cable RS485.
Fig. 5.2: Connecting the controller to the vacuum pump
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