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Proline Promass 83E/F/O Modbus RS485 Operating Instructions

Proline Promass 83E/F/O Modbus RS485 Operating Instructions

Proline Promass 83E/F/O Modbus RS485 Operating Instructions

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Wiring<strong>Proline</strong> <strong>Promass</strong> 83 <strong>Modbus</strong> <strong>RS485</strong>4.5 Post-connection checkPerform the following checks after completing electrical installation of the measuring device:Device condition and specificationsNotesAre cables or the device damaged (visual inspection)? -Electrical connectionDoes the supply voltage match the specifications on the nameplate?Notes85 to 260V AC (45 to 65 Hz)20 to 55 V AC (45 to 65 Hz)16 to 62 V DCDo the cables comply with the specifications? ä 26Do 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 insidethe cover of the terminalcompartmentAre all screw terminals firmly tightened? -Are all cable entries installed, firmly tightened and correctly sealed?Cables looped as "water traps"?See the "Degree of protection"section ä 31Are all housing covers installed and firmly tightened? -Fieldbus electrical connectionNotesHas each fieldbus segment been terminated at both ends with a bus terminator? ä 56Has the max. length of the fieldbus cable been observed in accordance with thespecifications?Has the max. length of the spurs been observed in accordance with thespecifications?ä 26ä 26Is the fieldbus cable fully shielded and correctly grounded? ä 27Page 32 • MN0M030Issue/Rev. 0.2 (12/12)

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