FMC Corporation - Talstar 80 User Manual

Proline Promass 80 PROFIBUS PA

Wiring

35

Perform the following checks after completing electrical installation of the measuring device:

Are cables or the device damaged (visual inspection)?

-

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 PA 

Sensor cable 

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 terminal 
compartment

Are all screw terminals firmly tightened?

-

Are all cable entries installed, firmly tightened and correctly sealed?
Cables looped as "water traps"?

Are all housing covers installed and firmly tightened?

-

Are all the connecting components (T-boxes, junction boxes, connectors, etc.) 
connected with each other correctly?

-

Has each fieldbus segment been terminated at both ends with a bus terminator?

-

Has the max. length of the fieldbus cable been observed in accordance with the 
PROFIBUS specifications?

Has the max. length of the spurs been observed in accordance with the PROFIBUS 
specifications?

Is the fieldbus cable fully shielded and correctly grounded?