Wiring Cerabar S PMP71 with 4 to 20 mA HART
20 Endress+Hauser
4.3 Potential equalization
Ex applications: Connect all devices to the local potential equalization system.
Observe the applicable regulations.
4.4 Post-connection check
Perform the following checks after completing electrical installation of the device:
• Does the supply voltage match the specifications on the nameplate?
• Is the device connected correctly (→ ä 15)?
• Are all the screws firmly tightened?
• Are the housing covers screwed down tight?
As soon as voltage is applied to the device, the green LED on the electronic insert lights up for a few
seconds or the connected onsite display lights up.
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