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Page 28 of 40

BGX701-014-R03, User Manual for PT3 Transducers

Public

Single phase system

Direct connected

Direct connected voltage and external

current transformer

External voltage and current transformers

Note:

Please connect a 750 ohm resistor across any unused analogue outputs.

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Summary of Contents for PT3 Series

Page 1: ...PT3 transducer range Technical reference manual BGX701 014 R03...

Page 2: ...Page 2 of 40 BGX701 014 R03 User Manual for PT3 Transducers Public Copyright 2020 SIHPL...

Page 3: ...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 7 Installing PT...

Page 4: ...Page 4 of 40 BGX701 014 R03 User Manual for PT3 Transducers Public 11 Frequently asked questions FAQs 38...

Page 5: ...s 1 2 Abbreviations Following is a list of abbreviations used in this manual Abbreviation Description PT Programmable transducers FAQs Frequently asked questions RMS Root mean square HDD Hard disk dri...

Page 6: ...lic 2 Disclaimer Secure Meters assumes no responsibility for damages caused to the PT3 transducer unit under following circumstances 1 Improper maintenance installation 2 Normal or abnormal wear and t...

Page 7: ...eep it handy for quick access to ensure appropriate safety 4 If the equipment is not used in the manner specified in the manual the protection provided by the equipment may be impaired 1 Do not touch...

Page 8: ...ons Has two or four galvanically isolated load independent analogue outputs Has a loop impedance support of 750 for current and 2 k for voltage outputs independent of analogue outputs used Provides a...

Page 9: ...en it is not available for use NC refers to a non connected terminal 4 2 Communication ports RS 485 and USB The PT3 is equipped with a micro USB port In addition the MFT variant has an RS 485 port The...

Page 10: ...nvironment Indoor only Humidity 95 non condensing Altitude level Up to 2000 m Over voltage Installation category CAT III for 300 VAC and CAT II for 600 VAC Measurement category CAT III for 300 VAC and...

Page 11: ...d 0 2 0 5 mA Applicable for accuracy class 1 0 and 0 5 0 1 mA and 0 2 mA Applicable for accuracy class 1 0 V type 5 to 5 V and 10 to 10 V Applicable for accuracy class 1 0 0 5 and 0 2 Maximum overload...

Page 12: ...range 0 to 150 In Frequency 50 60 Hz 5 Measurement range 1 lead 0 1 lag Output curve mA type 20 to 20 mA 4 20mA and 10 to 10 mA Applicable for accuracy class 1 0 0 5 and 0 2 5 to 5 mA Applicable for...

Page 13: ...m limit Input voltage range 0 to 130 Un Input current In 1 to 5 A Input current range 0 to 150 In Frequency 50 60 Hz 5 Output curve mA type 20 to 20 mA 4 20mA and 10 to 10 mA Applicable for accuracy c...

Page 14: ...er factor apparent power load power factor and frequency as per measurement inputs shown above Auxiliary supply High auxiliary Voltage range 80 V to 276 V AC DC Frequency 50 60 Hz Maximum burden 11 VA...

Page 15: ...per EN 50022 Connector type Screw terminals Conductor size for terminals 4 mm 2 solid max Connection cables recommended size 2 5 mm 2 Recommended torque 0 5 N m Impact rating IK code IK06 Impact ener...

Page 16: ...03 User Manual for PT3 Transducers Public zero Example 4 6 20 mA corresponding to 0 8 12 kV Example 10 0 10 mA corresponding to 100 0 100 kW Example 0 5 10 mA corresponding to 100 0 100 kW Figure 2 PT...

Page 17: ...process for configuration is described below 1 Connect the PC laptop to the micro USB port on the PT3 transducer using a suitable cable Figure 3 Establishing connection between PT3 and ConfigView 2 L...

Page 18: ...guring PT3 in offline mode 5 The rest of the procedure is the same as that described for online mode under section 6 1 The only difference is that you need to select the saved configuration file and a...

Page 19: ...con in the toolbar The printer settings can be adjusted or the file can be exported in Word Excel or PDF formats To export the file click the icon in the Print screen toolbar A previously exported lab...

Page 20: ...e 6 PT3 transducer dimensions 7 2 Mounting the PT3 transducer on a DIN rail To mount the PT3 transducer on a DIN rail hook one edge of the rail with the top edge of the cut out located at the rear of...

Page 21: ...evice is securely fixed Figure 8 PT3 transducer mounted on DIN rail 7 3 Demounting the PT3 transducer To remove or reposition the transducer device lever up the release clip with a screwdriver and the...

Page 22: ...PT3 Transducers Public Note To prevent damage to the screw heads when tightening the screws it is highly recommended to use a torque controlled screw driver with appropriate bit size A recommended scr...

Page 23: ...rdance with the measurement method and wiring settings configured in the transducer Choose the corresponding connection diagram from the figures below and ensure that the correct polarity is followed...

Page 24: ...stem three element balanced load U1 I1 Direct connected Direct connected voltage and external current transformer External voltage and current transformers Three wire system two element asymmetric loa...

Page 25: ...rnal voltage and current transformers Three external voltage transformers and two current transformers Three wire system two element balanced load U12 U23 L1 Direct connected Direct connected voltages...

Page 26: ...em two element balanced system U12 L1 Direct connected Direct connected voltage and external current transformer External voltage and current transformers Three wire system two element balanced system...

Page 27: ...for PT3 Transducers Public External voltage and current transformers Three wire system two element balanced system U31 L1 Direct connected Direct connected voltage and external current transformer Ex...

Page 28: ...l for PT3 Transducers Public Single phase system Direct connected Direct connected voltage and external current transformer External voltage and current transformers Note Please connect a 750 ohm resi...

Page 29: ...120 ohm at both ends 9 3 2 Slave address The permissible Modbus slave ID range for the PT3 transducer is between 1 and 247 for 32 instruments Broadcast mode address 0 is not allowed 9 3 3 Register add...

Page 30: ...efix 4 in the register mapping as an input for reading parameters For example 43018 9 3 6 Registers The following register types are available in PT3 9 3 6 1 Fixed information registers Tabulated belo...

Page 31: ...ts FP 43043 to 43044 4 Reactive power on phase L3 32 bits FP 43045 to 43046 4 Apparent power on phase L1 32 bits FP 43047 to 43048 4 Apparent power on phase L2 32 bits FP 43049 to 43050 4 Apparent pow...

Page 32: ...bols The parameter can be configured for analogue outputs using ConfigView These can be read over Modbus and ConfigView The parameter can be read only on Modbus Single phase L1 Three wire 2 element as...

Page 33: ...em Current System Active Power System Reactive Power System Apparent Power Power Factor 9 5 Reading holding registers The latency period or the maximum time duration taken by the PT3 transducer to pro...

Page 34: ...red Modbus Slave ID parameter is stored in an Unsigned 16 bit format hence requires 1 registers or 2 bytes Request Packet Slave address Function Start Register Hi Start Register Lo Count Hi Count Lo C...

Page 35: ...d address The transducer is configured as a Modbus slave device with a slave address of 240 If the Master requests to read holding registers 42020 which is the invalid address Exception response 02 wi...

Page 36: ...the LED operation by applying an input as per specified ranges Transducer is connected and powered by auxiliary supply but the new configuration has not taken effect Transducer needs a power OFF ON fo...

Page 37: ...s healthy and the correct primary and secondary scaling has been applied The phase inputs may be connected incorrectly The wiring configuration may be incorrectly selected Check that the physical conn...

Page 38: ...ck the operation of the PT3 transducer if the inputs are activated on the Reading screen of ConfigView ConfigView reported an error about the USB driver Please ensure that the USB RS 232 emulator driv...

Page 39: ...on a transfer characteristic do Without a breakpoint the transfer characteristic between input and output is purely linear A breakpoint allows the curve to be adjusted for non linear characteristics F...

Page 40: ...www securemeters com...

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