Wiring; Connecting The Device - Endress+Hauser Cerabar S PMC71 Brief Operating Instructions

Cerabar S FOUNDATION Fieldbus
3

Wiring

#
Warning!
• When using the measuring device in hazardous areas, installation must comply with the
corresponding national standards and regulations and the Safety Instructions or Installation or
Control Drawings.
3.1

Connecting the device

!
Note!
• Devices with integrated overvoltage protection must be earthed.
• Protective circuits against reverse polarity, HF influences and overvoltage peaks are installed.
• The supply voltage must match the supply voltage on the nameplate.
• Switch off the supply voltage before connecting the device.
• Remove housing cover of the terminal compartment.
• Guide cable through the gland. Preferably use twisted, screened two-wire cable.
• Connect device in accordance with the following diagram.
• Screw down housing cover.
• Switch on supply voltage.
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Fig. 4: Electrical connection FOUNDATION Fieldbus → Observe also the following section.
For devices with 7/8" plug see Operating Instructions.
1 Housing
2 Internal earth terminal
3 External earth terminal
4 Supply voltage, for version in non-hazardous area = 9...32 V DC
5 Devices with integrated overvoltage protection are labelled OVP (overvoltage protection) here.
Endress+Hauser
FF FF
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➃
FF FF
P01-xMx7xxxx-04-xx-xx-xx-008
Wiring
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