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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Operation<strong>Proline</strong> <strong>Promass</strong> 83 <strong>Modbus</strong> <strong>RS485</strong>2. Access to data via <strong>Modbus</strong>By specifying the register start address 5051 and the number of registers, the <strong>Modbus</strong> master canread out the measured values with just one request telegram.Data areaAccess via <strong>Modbus</strong> registeraddressMeasured values Data type Access5051 Mass flow = 4567.67 Float Read5053 Temperature = 26.5 Float Read5055 Totalizer 1 = 56345.6 Float Read5057 Actual system condition = 1 (system ok) Integer Read<strong>Modbus</strong> <strong>RS485</strong>SlaveMasterDataRegister Value2007 4567.672017 26.52610 56345.66859 1Autoscan BufferValueData4567.6726.556345.61Register5051505350555057Scan ListNo.1234ScanRegister2007201726106859DataValue4567.6726.556345.61Fig. 35:a0004407-enWith just one request telegram, the <strong>Modbus</strong> master reads out the measured values via the auto-scan buffer ofthe measuring device.Page 52 • MN0M030Issue/Rev. 0.2 (12/12)
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