Liquiline CM442/CM444/CM448 Electrical connection
Endress+Hauser 41
6.8 Post-connection check
Wiring errors
Incorrect wiring puts the safety of people and the measuring point at risk. The manufacturer
does not accept any responsibility for errors that result from failure to comply with the
instructions in this manual.
‣ Operate the device only if you can answer yes toall of the following questions.
Device state and specifications
• Are the transmitter and cables free from damage on the outside?
Electrical connection
• Are the mounted cables strain relieved?
• Are the cables run without loops and cross-overs?
• Are the signal lines correctly connected in accordance with the wiring diagram?
• Have all the other connections been established correctly?
• Have you connected unused connection wires to the protective ground connection?
• Are all plug-in terminals securely engaged?
• Are all the connection wires securely positioned in the cable terminals?
• Are all the cable entries installed, firmly tightened and leak-tight?
• Does the supply voltage match the voltage indicated on the nameplate?
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