1BSafety instructions
26BWarning notes on installation
2-3
2.4
Warning notes on installation
CAUTION
Short circuit, wrong connection
Malfunction of the machine/plant in which the unit is installed!
►
Electrical installation tasks must be carried out by a qualified electrician.
►
Disconnect power before connecting the controllere to avoid short circuits
during installation.
►
Connect the terminals according to the terminal marking.
►
The supply voltage (SELV) must not be connected to protective earth. There-
fore, never connect the minus terminal to the FE terminal or to another termi-
nal of the unit.
It must be ensured that the external voltage is generated and supplied according to
the criteria for safety extra-low voltage (SELV), since this voltage is provided with-
out further measures to supply the connected controller, the sensors and the actua-
tors.
The wiring of all signals concerning the SELV circuit of the unit must also meet the
SELV criteria (safety extra-low voltage, safe galvanic separation from other cir-
cuits).
If the supplied SELV voltage is externally grounded (SELV becomes PELV), the
responsibility lies with the user and the respective national installation regulations
must be complied with. All statements in this manual refer to the unit which is
not
grounded with respect to the SELV voltage.
The connection terminals may only be supplied with the signals indicated in the
technical data and/or on the unit label and only the approved accessories of
ifm
electronic
may be connected.
Содержание Ecomat 300 AC1307
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Страница 175: ...13BScale drawing 14 1 14 Scale drawing 107 97 86 LED 62 2 1 3 Figure dimensions of the controllere ...
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