General; Safety Instructions - IFM Electronic EC2036 Bedienungsanleitung

1.

General

1.1. Safety instructions

Observe the information of the description. Non-observance of the notes, operation which is not in
accordance with use as prescribed below, wrong installation or handling can result in serious harm
concerning the safety of persons and plants.
The instructions are for authorised persons according to the EMC and low voltage guidelines. The
devices must be installed and commissioned by a skilled electrician (programmer or service
technician).
This description is part of the device. It contains texts and drawings concerning the correct handling
and must be read before installation or use.
If the device is not supplied by the internal voltage source (4 x 1,5 V battery) or the mobile on-board
system (24V battery operation), it must be ensured that the external voltage is generated and supplied
according to the criteria for safety extra-low voltage (SELV) as this is supplied without further
measures to the connected controller, the sensors, and the actuators.
The wiring of all signals in connection with the SELV circuit of the device must also comply with the
SELV criteria (safe extra-low voltage, safe electrical separation from other electric circuits).
If the supplied SELV voltage has an external connection to ground (SELV becomes PELV), the
responsibility lies with the user and the respective national regulations for installation must be
complied with. All statements in these operation instructions refer to the device the SELV voltage of
which is not grounded.
The terminals may only be supplied with the signals indicated in the technical data or on the device
label and only the approved accessories of ifm electronic gmbh may be connected.
In the case of malfunctions or uncertainties please contact the manufacturer. Tampering with the
device can lead to considerable risks for the safety of persons and plant. It is not permitted and leads
to the exclusion of any liability and warranty claims.
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