Weidmuller PMX420SERIES - Display instrument for control pane Manual de usuario descargar pdf (Pagina 19)

• Installation

Caution: In order to meet product safety requirements, these units

must only be installed, by qualified staff, in accordance with the

information given in this manual, using the mounting clips and terminal

blocks supplied, and all relevant national electrical wiring and safety

rules must be followed.

Locate the instrument in an area that is free from dust, moisture and

corrosive gases. Do not cover the ventilation holes at the side of the

case.

ensor power supply

The 0 V rail of the 24 V DC sensor supply is internally connected to the

input circuit 0 V rail.

nput signal cable

Twisted pair cable should be used for the input signals. Voltage signals

need the additional protection of shielded cable if used over any

distance.

ower Supply Requirements

Check the power supply against the model number before applying

power to the instrument.

Connections

For effective protection from electromagnetic noise, all signal cables

must be shielded, or located on conductive trays or in conduits.

se 12-28 AWG Cu Wire rated for temperatures above 70 °C Only,

tighten to 4.5 lb-In. Strip wires to 7 mm from the ends. Use a suitable

ferrule for multistranded wires (do not solder).

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Weidmuller PMX420SERIES - Display instrument for control pane Manual de usuario Pagina 19