turck TX700FB, Инструкция по эксплуатации

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V01.00 | 2020/11
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5.4 Grounding the device
„ Connect terminal 3 of the supply connector to the ground terminal.
General instructions for device grounding
„ All the electronic devices in the control system must be properly grounded.
„
Carry out grounding according to the applicable regulations.
„
Ground the device to minimize noise effects from electromagnetic interference.
„
Ground the unit via the grounding screw near the power supply connection.
Grounding the power supply
The power supply circuit may be floating or grounded.
„ To ground the supply circuit, connect the ground wire to the protective earth as shown
in the following figure (dotted line).
„ If the supply circuit is not grounded, the unit itself is internally connected to ground
(1 MΩ resistor with 4.7 nF capacitor connected in parallel).
„ The power supply must have double or reinforced insulation.
Fig. 9: Power supply – wiring