
BGX701-014-R03, User Manual for PT3 Transducers
Table of Contents
1Preface.........................................................................................................................................5
1.1 Purpose and audience ..................................................................................................................................5
1.2 Abbreviations.................................................................................................................................................5
1.3 Related documentation .................................................................................................................................5
2Disclaimer....................................................................................................................................6
3Important safety information......................................................................................................7
3.1 Safety during installing/ uninstalling and servicing........................................................................................7
3.2 Disposal.........................................................................................................................................................7
3.3 Maintenance..................................................................................................................................................7
4Introduction to three-phase transducers...................................................................................8
4.1 Physical features ...........................................................................................................................................9
4.2 Communication ports (RS-485 and USB) .....................................................................................................9
5Technical specifications...........................................................................................................10
5.1 PT3 output signals.......................................................................................................................................15
6Configuring PT3 transducers...................................................................................................17
6.1 Procedure to configure PT3 in Online mode...............................................................................................17
6.2 Procedure to configure PT3 in Offline mode...............................................................................................18
6.3 Changing the customer serial number in the transducer ............................................................................18
6.4 Printing/exporting label for PT3 transducer.................................................................................................18
7Installing PT3 transducers .......................................................................................................20
7.1 PT3 transducer dimensional details............................................................................................................20
7.2 Mounting the PT3 transducer on a DIN rail.................................................................................................20
7.3 Demounting the PT3 transducer .................................................................................................................21
8PT3 network connections.........................................................................................................23
9Modbus mapping ......................................................................................................................29
9.1 Introduction..................................................................................................................................................29
9.2 References..................................................................................................................................................29
9.3 Modbus settings ..........................................................................................................................................29
9.3.1 Connections..................................................................................................................................29
9.3.2 Slave address...............................................................................................................................29
9.3.3 Register addresses.......................................................................................................................29
9.3.4 Serial port settings........................................................................................................................29
9.3.5 Modbus function codes.................................................................................................................30
9.3.6 Registers.......................................................................................................................................30
9.4 Supported reading parameters for different PT3 network connections.......................................................32
9.5 Reading holding registers............................................................................................................................33
10 Troubleshooting........................................................................................................................36