Promag 53 PROFIBUS DP/PA Wiring
Endress+Hauser 65
4.6 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? PROFIBUS DP → 46
PROFIBUS PA→ 47
Sensor cable → 54
Do the cables have adequate strain relief? –
Cables correctly segregated by type?
Without loops and crossovers?
–
Are the power supply and signal cables correctly connected? See the wiring diagram inside
the cover of the connection
compartment
Are all screw terminals firmly tightened? –
Have the measures for grounding and potential matching been correctly
implemented?
→ 62
Are all cable entries installed, firmly tightened and correctly sealed?
Cables looped as "water traps"?
→ 64
Are all housing covers installed and firmly tightened? –
Electrical connection of PROFIBUS DP/PA Notes
Are all the connecting components (T-boxes, junction boxes, connectors, etc.)
connected to each other correctly?
–
Has each fieldbus segment been terminated at both ends with a bus terminator? PROFIBUS DP → 79
Has the max. length of the fieldbus cable been observed in accordance with the
PROFIBUS specifications?
PROFIBUS DP → 46
PROFIBUS PA→ 48
Has the max. length of the spurs been observed in accordance with the
PROFIBUS specifications?
PROFIBUS DP → 47
PROFIBUS PA→ 48
Is the fieldbus cable fully shielded and correctly grounded? → 49
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