Cubemass DCI MODBUS RS485 Wiring
Endress+Hauser 25
4.5 Post-connection check
Perform the following checks after completing electrical installation of the measuring device:
Device condition and specifications Notes
Are cables or the device damaged (visual inspection)? –
Electrical connection Notes
Does the supply voltage match the specifications on the nameplate? 85 to 260 V AC (45 to 65 Hz)
20 to 55 V AC (45 to 65 Hz)
16 to 62 V DC
Do the cables comply with the specifications? → ä 21
Do the cables have adequate strain relief? –
Is the cable type route completely isolated?
Without loops and crossovers?
–
Are the power supply and signal cables correctly connected? È Wiring diagram inside the
cover of the terminal
compartment
Only remote version:
Is the flow sensor connected to the matching transmitter electronics?
Check serial number on
nameplates of sensor and
connected transmitter.
Only remote version:
Is the connecting cable between sensor and transmitter connected correctly?
→ ä 21
Are all screw terminals firmly tightened? –
Are all cable entries installed, firmly tightened and correctly sealed?
Cables looped as "water traps"?
→ ä 24, "Degree of protection"
section
Are all housing covers installed and firmly tightened? –
Fieldbus electrical connection Notes
Has each fieldbus segment been terminated at both ends with a bus terminator? → ä 56
Has the max. length of the fieldbus cable been observed in accordance with the
specifications?
→ ä 19
Has the max. length of the spurs been observed in accordance with the
specifications?
→ ä 19
Is the fieldbus cable fully shielded and correctly grounded? → ä 20
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