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PT113

Instruction Manual

7 TROUBLE SHOOTING

7.1 ERRORS

The PT113 transmitters have been designed as very reliable and virtually error free instruments.

However if an error occurs, do not attempt to repair the equipment before you understand what caused
the error. Note the problem you are having and the status of the front panel, and try to find the problem

with the help of the table given below. Don’t let unauthorised people interfere with the instrument.

Error Code

Description

Actions to take / Possible cause

Err

ADC Error

− Re-energise the instrument.
− If seen again, replace the PT113.

Over Load

− Check the load, load cells and mountings.

− Check the load cell cables and connections
− Load cells or instrument could have a fault.

− Check the sense wires are connected.

Weight is too low

ADC Out

− Check the load, load cells and mountings.
− Check the load cell cables and connections

− Load cells or instrument could have a fault.
− Check the sense wires are connected.

System Error

− Re-energise the instrument.

− If seen again, replace the PT113.

High Voltage
Detected

− Check the power supply that the voltage is
within the required voltage range.

Low Voltage

Detected

− Check the power supply that the voltage is

within the required voltage range.

LED off LED on

LED Flashing

Table 5.5 - Error table

NOTE: By connecting to AzComT, additional information may be displayed.

Содержание PT113 Series

Страница 1: ...Innovative Measurement Electronics PT113 Digital Weighing Transmitter Instruction Manual Rev 201810 1 ...

Страница 2: ...485 Setup PT113MB only 20 6 3 3 Calibration 20 6 3 3 1 Mode selection 20 6 3 3 2 Scale Build 21 6 3 3 3 Scale Calibration 21 6 3 3 3 1 Calibration with test weights 21 6 3 3 3 2 Zero Adjustment 22 6 3 3 3 3 Span Adjustment 22 6 3 3 3 4 Span Adjustment under Load 22 6 3 3 3 5 Change Capacity Increment 22 6 3 3 4 vCal Electronic Calibration 22 6 3 3 4 1 vCal Wizard 23 6 3 3 4 2 Improving accuracy wi...

Страница 3: ...ions are unstable or there is explosive danger Do not place the scale near heat sources or under direct sunlight where it may heat up Keep the scale as far away from other electromagnetic radiation sources as possible their influence could affect the weighing accuracy Failure to follow these precautions will void warranty contact your supplier to clarify any questions Rights and Liabilities This p...

Страница 4: ... interface RS 232C Yes Yes Yes Yes Yes Yes Serial interface RS 485 Yes Modbus RTU High Low and Low High Yes Ethernet interface Yes Modbus TCP Yes PROFIBUS DPV1 interface Yes PROFINET interface Yes EtherNet IP interface Yes CANopen interface Yes Continuous data output Yes Yes BSI data interface Yes Yes Bidirectional signal input for force measurement Yes Yes Yes Yes Yes Yes Field Bus address 0 7 vi...

Страница 5: ...ponse to the weight of the platform is usually the zero offset The zero offset must be within the range of the instrument adjustment for correct operation Live weight The weight that is applied to the scale and shown on the indicator Excitation voltage The voltage that is supplied by the indicator to the load cell Load cell Load cell is a device that converts force to electronic voltage A load cel...

Страница 6: ...and dividing by the number of parts ALU Amount Look Up A code to look up values stored in memory in relation to the amounts quantity of parts in check weighing Span Adjustment Adjust the indicator so that when the load on the scale is changed the scale correctly shows the same change EtherX EtherX is third party software available from the internet to enable setting of IP address parameters in the...

Страница 7: ...on by direct entry of load cell characteristics Calibration of span and zero by fieldbus commands Digital filter 10 step programmable adaptive digital filter Weighing functions Tare zeroing auto zero track motion detection auto zero at power up tare save at power off Hi resolution Load cells Excitation 5 VDC 86 mA max Number of load cells Up to 6 load cells 350Ω 12 load cells 700Ω in parallel Load...

Страница 8: ...eric GSDML file provided TCP IP settings DHCP or manual IP assignment during set up programming Device identity customization Topology Line Bus Star or Tree topology depending on physical media Installation Switched Ethernet transmission with shielded twisted pair cables and RJ 45 connectors Isolation Galvanically isolated bus electronics Response Speed 4mS response delay from read write commands ...

Страница 9: ...ike relays solenoids etc to minimize voltage peaks on the DC power supply If the condition of your plant electrical supply fluctuates or is subject to noise and interference prepare a special power line and grounding Good quality grounding of the instruments will improve weighing accuracy and the safety of your indicator Cabling All cables coming to the control cabinet should be shielded Please us...

Страница 10: ...ent and create an accuracy problem Warning Connect the load cell cable shield to the reference ground or shield pin of the load cell connector 4 4 POWER SUPPLY AND GROUNDING The weighing instrument measures very low signal levels The quality of the power supply and grounding will affect the accuracy and the safety of your measuring system It is very important that the instrument should not share p...

Страница 11: ... the scale it must be configured programmed to transmit the correct capacity and increment and have a number of advanced functions configured in 6 SYSTEM CONFIGURATION AND SETUP The scale must also be calibrated to display the weight correctly as detailed in Error Reference source not found Error Reference source not found Warning If the scale has been sealed call a person with authorisation befor...

Страница 12: ...trument Perform commissioning according to the procedures given in this section Only trained person should be permitted for cleaning commissioning checking and servicing of the instrument The interference of untrained persons may cause some unwanted damage or injury Before powering on the instrument please make the required mechanical and electrical installations After powering on you have to prog...

Страница 13: ...stable Dynamic Blanks for 0 3 seconds in 2 seconds period No stable indication Centre of Zero in the centre of zero range 0 25 e w 0 25 e Out of centre of zero range Always blank No centre of zero indication Err Error ADC conversion error Digital processing error No error ADC conversion error Digital processing error No error Blank Light Flash Blank for 0 3 second Refer to the error table in Secti...

Страница 14: ...gize the instrument If seen again change the PT113PN LINK Activity LED LED State Description Comment Off No Link No link no communication present Green Link Ethernet link established no communication present Green flickering Activity Ethernet link established communication present NS Network Status LED LED State Description Comment Off Not online No power Check power and cable Green On line RUN Gr...

Страница 15: ... IP address FATAL error Red flashing One or more connections timed out CIP Class 1 or 3 5 1 2 6 PT113CO The PT113CO has 2 additional LEDs Error and Run above and below the CANopen connector respectively with meanings as below Run LED State Indication Comment Off Not online No power Check power and cable Green On line data exchange Green blinking On line initializing Green single flash Stopped Chec...

Страница 16: ...en interfacing This feature gives you the practical advantage of setting the addresses of up to 7 instruments without requiring a PC connection For addressing with the programming switch press and hold this switch for 5 seconds with a thin insulated rod The status LEDs then indicate the field bus address as seen the table below If the address is set higher than 7 all the LEDs flash The address can...

Страница 17: ...C PT offer suitable serial and USB cables Perform programming and calibration Test and check for correct operation 6 1 INSTALLATION OF AzComT SOFTWARE Please follow these steps to install the AzComT software NOTE If you will be configuring a PT113EN or PT113PN with Ethernet interfaces EtherX will be used EtherX will be installed with AzComT Note Windows 7 SP1 or later is required for EtherX to fun...

Страница 18: ... the Setup Wizard will inform you the software has been installed successfully click on the OK button When the Setup Wizard has closed you can start using the AzComT software 6 2 CONNECTION TO AzComT PT113 and AzComT connection is performed via the RS 232C service port for all instruments additionally the PT113MB can use the RS 485port The required communications cables are standard accessories av...

Страница 19: ... Windows device manager to check the Com port if you are using a USB serial adapter 6 3 SCALE BUILD CALIBRATION AND GATEWAY Warning Read this manual carefully before programming and calibration of the instruments This will increase your weighing system performance by applying proper programming and calibration Note There is an additional Gateway tab in AzComT for the PT113EN PT113PB PT113PN and PT...

Страница 20: ... the Analog Digitizer calibrate the Digitizers 6 3 1 1 Increased External Resolution This parameter enables checking of the weight value with 10 times increased resolution than the programmed division in weighing and force mode to aid the service technician Increased resolution must be disabled for use in normal process weighing Default is Disable Not available in Count Mode 6 3 1 2 Digital Filter...

Страница 21: ...unt Mode 6 3 1 7 Tare If this function is enabled the weight is tared when the tare command is received Additional conditions for taring are positive gross weight and no motion Multi taring is possible with the PT113 Default is Enable Not available in Count Mode 6 3 1 8 Save Tare at Power Off If this function is enabled the tare value is stored at power off and the instrument starts up in Net mode...

Страница 22: ... port at a time 6 3 3 Calibration Scale build operation mode selection and scale calibration is performed in the calibration tab of AzComT as seen below Please follow the procedure described in the following sections in sequence This block allows the user to select operation mode and polarity Completed previously 6 3 1 Write to Digitizer Click this button to save the operating mode and polarity to...

Страница 23: ...button Jump to 6 4PRE COMMISSIONING TESTING 6 3 3 2 Scale Build The scale capacity increment and unit must be set in the PT113 before performing calibration for Weighing and Force measurement Capacity To select a new value for the scale capacity click in the text box Use the keyboard to enter a new value or use drop down menu Increment Use the drop down menu to select the increment Unit Select the...

Страница 24: ... related field bus 6 3 3 3 4 Span Adjustment under Load This feature is used to perform span adjustment without having to unload the scale This operation is especially useful for span adjustment for non empty tanks and hoppers removing the need to empty the tank for calibration Select span adjustment under load and press the Start button A temporary zeroing message appears on the monitor This mean...

Страница 25: ... error about build if you do not enter a value here Warning vCal Estimated Dead Load must be an integer whole number in kg Using a number with decimal point will result in an incorrect calibration Press Write vCal Data to Device to transfer the vCal data to the instrument and vCal is finished If the scale is empty and you want to perform an automatic zero adjustment for better accuracy instead of ...

Страница 26: ...rror may not be uniform over the whole weighing range and then calculate an average value for the factor Let us assume the average factor is 1 015 Enter the value that you previously entered for load cell capacity Enter the value that you previously entered for mV V 1 015 for the new mV V Enter the value that you previously entered for Estimated Dead Load 6 3 4 Gateway The gateway tab in AzComT ha...

Страница 27: ...t take effect until a power off and power on cycle is performed Parameter Description Host Name Device name of the instrument Default is IP Address Set the IP address manually to suit your network Default is 192 168 16 250 Local Port Ethernet connection port of the instrument Default is 10001 Gateway Network point that acts as an entrance to another network or internet Default is 192 168 16 254 Su...

Страница 28: ...to open the window below Make the necessary settings here to suit your network and click Save Settings to save Parameter Description Host Name Device name of the instrument Default is IP Address Set the IP address manually to suit your network Default is 192 168 16 250 Alternatively tick DHCP to have the IP address automatically set Gateway Network point that acts as an entrance to another network...

Страница 29: ... coefficients can be saved to a back up file after reading this data from the PT113 This back up file can be restored to the PT113 after opening it with AzComT The back up feature provides a service advantage to PT113 transmitters It is recommended to burn these files to CD DVD and keep this back up CD DVD in the control cabinet and additionaly saving the file in your PC 6 4 PRE COMMISSIONING TEST...

Страница 30: ...en again replace the PT113 Over Load Check the load load cells and mountings Check the load cell cables and connections Load cells or instrument could have a fault Check the sense wires are connected Weight is too low ADC Out Check the load load cells and mountings Check the load cell cables and connections Load cells or instrument could have a fault Check the sense wires are connected System Erro...

Страница 31: ...ers are sent sequentially at a 0 8s interval If the RxD and TxD pins are shorted and the same data is received the LED blanks for 0 3 sec Press the programming switch to go to the following test RS 485 RD LED blanks for 0 3 sec after receiving any data Press the programming switch to go to the following test RS 485 TD A to Z characters are sent sequentially at a 0 8 sec interval Press the programm...

Страница 32: ... Settings menu Question My PC has a COM port but I couldn t see the COM port in the Connection Settings menu How can I solve that problem Answer Other software may already be connected to that COM port Close all applications before running AzComT Question I need very fast interfacing What is the response delay time of the PT113 Answer The PT113 response delay is a maximum of 4 milliseconds for wei...

Страница 33: ...ty that the products PT113 to which this declaration relates are in conformity with the following standard s or other normative document s EC Directive Applicable Standards Low Voltage Directive LVD 2006 95 EC EN 60950 1 2008 Electromagnetic Compatibility EMC 2004 108 EC EN 61326 1 2006 PT Limited September 2015 S M Edmonds Technical Director ...

Страница 34: ...mmands or set up information Note Connecting the shield to the reference ground will protect your weighing system against EMC disturbances Data format or mode can be set from no data transfer continuous data output BSI command mode Modbus RTU High Low Modbus RTU Low High configure these settings and set baud rate address data bits and parity checksum carriage return line feed and response speed wi...

Страница 35: ...ential Ethernet Receive 5 Not used Terminated 6 Not used Terminated 7 Not used Terminated 8 Not used Terminated Housing Cable Shield Chassis Ground 9 1 1 4 Continuous Data Formats Continuous data output from the instrument is transmitted in the following data structures Note CR Carriage return and LF Line feed codes can be enabled or disabled from the response in RS 232C and RS 485 interface port ...

Страница 36: ...PCs for process control or transactional applications This interfacing is recommended especially for PC interfacing as you can expand your system with additional scales from PT without having to change your application program base The protocol is very simple to use a command is sent to the PT113 and a response is transmitted back Warning Only one interface can have BSI enabled at one time No chec...

Страница 37: ...4 000111 1 000234 5 01AO ADC out error Comments The response is net tare and gross weight values or error status All weight data is transmitted immediately after receiving the command B Read Gross weight Command ADR B Response ADR B STATUS SIGN WEIGHT VALUE Example Command 01B Response 01BS 000123 4 gross weight is stable and 123 4 01BD 000123 4 gross weight is dynamic and 123 4 01B under load Com...

Страница 38: ... the weight could not be sent Status can be S table or N S Read Status Command ADR S Response ADR S STATUS 1 STATUS 2 STATUS 3 Example Command 01S Response 01SSGI Stable Gross In Range 01SDGL Dynamic Gross Low voltage error Comments The response includes 3 bytes of status information STATUS 1 can be S table or D ynamic STATUS 2 can be G ross or N et STATUS 3 can be I n range O ut of range Over Und...

Страница 39: ...0x32 0x33 0x2E 0x34 0 0x02B7 0x49 Char 4 and Char 9 9 1 2 Modbus Protocol Modbus is available on the PT113MB and PT113EN After programming the RS 485 or RS 232C serial port for Modbus RTU or the Ethernet port for Modbus TCP IP the PT113 can be used as a Modbus slave on Modbus networks The Modbus slave address for RTU is defined in the RS 485 address settings 6 3 2 6 Note For the RS 232C the addres...

Страница 40: ...pan Calibration 1 40011 R W 2 Span Calibration Load Value 40013 R 1 Calibration Status D0 D7 Calibration Process Status Dec Description 1 Ready for calibration 3 Zero calibration in progress 4 Span calibration in progress 9 Error Refer to D8 D15 D8 D15 Calibration Errors 1 Calibration Timeout Restart calibration 2 ADC Error Re energise the instrument If seen again change the board 3 Instrument can...

Страница 41: ...hen load the decimal 220 into 40010 to start Span calibration 3 Check the low byte of 40013 During the span calibration process it is decimal 4 4 The low byte of 40013 changes to decimal 1 at the end of Span calibration 5 If the low byte of 40013 is 9 check the high byte of 40013 to determine the calibration error Note For hardware connection details please refer to the related hardware descriptio...

Страница 42: ...sage length i e 6 bytes to follow 11 is the unit identifier address Hex 11 decimal 17 Preset to 01 for RS 232C and Ethernet 03 is the function code read analogue registers 00 21 is the address of the first register requested hex 0021 dec 33 Address 40001 33 40034 for the PT113 this is power supply voltage 00 01 is the total number of registers to read A typical response shown here in hexadecimal i...

Страница 43: ...www ptglobal com PT113 Instruction Manual 41 A simple example of program ...

Страница 44: ...00 kbps 1 5Mbps 3 Mbps 6 Mbps and 12 Mbps Warning Connect the shield to the reference ground or shield pin of the power connector Warning Disconnect AzComT PC software after configuration for Profibus interfacing to function correctly 9 2 1 1 Programming and Calibration PT113 instruments are programmed and calibrated with AzComT Analog digitiser parameter values are very important for better weigh...

Страница 45: ... The command is applied successfully Calibration Status Bit Number 2nd Dword descriptions when read command is Calibration Status Refer to PLC Output to PT113PB Input 3rd Dword 31 16 Not in use 15 8 Calibration Errors 0000 0001 Calibration Time out Restart calibration 0000 0010 ADC Error Re energise the instrument 0010 0010 Instrument can not be calibrated Load cell signal is very low or too high ...

Страница 46: ...irst load 2nd Dword with selected value then apply this command with New CMD Load 2nd Dword with one of these 0 Count mode unipolar 1 Count mode bipolar 2 Force mode unipolar 3 Force mode bipolar 4 Weight mode unipolar 01001 Input range mV for Count Mode 1 First load 2nd Dword with selected value then apply this command with New CMD Load 2nd Dword with one of these 0 5 mV 1mV V 0 5mV 1 10 mV 2mV V...

Страница 47: ...ectly Once the PT113 is configured and disconnected from AzComT configure the PLC Import the GSD GSDML file supplied with the instrument Set up the modules as below note the order The modules referred to as GW represent the first Dword not in use and the modules referred to as A D represent the 2nd and 3rd Dwords with data Note the order of the modules in the expanded view Included with the instru...

Страница 48: ...nect AzComT PC software after configuration for Profinet interfacing to function correctly 9 3 1 1 Programming and Calibration PT113PB instruments are programmed and calibrated with AzComT Analogue digitiser parameter values are very important for better weighing performance Please refer to 6 3 1 9 3 1 2 Profinet Setup Profinet set up is performed with AzComT software as described in section 6 3 4...

Страница 49: ...MD Flag Toggles The command is applied successfully Calibration Status Bit Number 2nd Dword descriptions when read command is Calibration Status Refer to PLC Output to PT113PN Input 3rd Dword 31 16 Not in use 15 8 Calibration Errors 0000 0001 Calibration Time out Restart calibration 0000 0010 ADC Error Re energise the instrument 0010 0010 Instrument can not be calibrated Load cell signal is very l...

Страница 50: ...selection First load 2nd Dword with selected value then apply this command with New CMD Load 2nd Dword with one of these 0 Count mode unipolar 1 Count mode bipolar 2 Force mode unipolar 3 Force mode bipolar 4 Weight mode unipolar 01001 Input range mV for Count Mode 1 First load 2nd Dword with selected value then apply this command with New CMD Load 2nd Dword with one of these 0 5 mV 1mV V 1 10 mV ...

Страница 51: ...uplex operation An EDS file for two port EtherNet IP is available on the USB drive which is supplied together with the instrument or for download from www ptglobal com There are 4 announcement LEDs on the instrument to indicate the interface status as seen below The meaning of these LED s is explained in 5 1 2 5 PT113EI Front Panel Ethernet Parameters There are 7 parameters for Ethernet set up thi...

Страница 52: ... Configuration Ethernet IP data structures for the PT113EI consists of 3 x Input Dwords and 3 x Output Dwords A Dword is a double word 32 bits in length A typical configuration without EDS for PLC programmers is shown below EDS Configuration Description Input 2 words 1st Dword Not Used 2nd Dword PT113EI Output to PLC Input 3rd Dword PT113EI Output to PLC Input Output 2 words 1st Dword Not Used 2nd...

Страница 53: ...www ptglobal com PT113 Instruction Manual 51 A typical configuration with an EDS file for PLC programmers is shown below ...

Страница 54: ...iption D31 D16 Not in use D15 D12 Error Codes of the PT113EI Bin Dec 0000 0 No error found 0001 1 ADC out 0010 2 ADC over 0011 3 ADC under 0100 4 System Error 0101 5 In programming mode 0110 6 Low High Voltage Error 01111 7 Instrument cannot be found D11 D10 Not in use D9 Operating Mode 0 Weight or Force mode 1 Count Mode D8 Centre of zero 0 Weight is out of centre of zero range 1 Weight is in cen...

Страница 55: ...ument 0010 0010 34 Instrument can not be calibrated Load cell signal is very low or too high 0010 0011 35 Calibration Error Calibration loading is not enough Increase test weight loading Write test weight value to 2nd Dword of PLC Output to PT113EI Input then restart the calibration Check load cell connections 0010 0100 36 Calibration load value entry Error Test weight is too small Increase the te...

Страница 56: ...ration 1 00111 7 Not in use 01000 8 Operating mode selection 1 0 Count mode unipolar 1 Count mode bipolar 2 Force mode unipolar 3 Force mode bipolar 4 Weight mode unipolar 01001 9 Input range mV for Count Mode 1 0 5 mV 1mV V 1 10 mV 2mV V 2 15 mV 3mV V 3 18 mV 3 6mV V 01010 10 Digital Filter 1 0 Fast 5 Medium 7 Default 9 Slow D5 D1 Read Data Selection 00000 0 Indicated weight Gross or Net as 32 bi...

Страница 57: ...tus changes to decimal 1 at the end of the Zero calibration 5 If the low byte of Calibration Status is 9 check the high byte of Calibration Status to understand the calibration error Span Calibration procedure 1 Check the low byte of Calibration Status it should be decimal 1 to start adjustment 2 Write Adjust Span Calibration command after writing test weight values to 1st Dword then apply this co...

Страница 58: ...r and cable Green On line data exchange Green blinking On line initializing Green single flash Stopped Check hardware for damage Green flickering Auto baudrate detection in progress Red CANopen configuration error Check EDS file Error LED State Indication Comment Off No power or CANopen module is in initialization state Red single flash Warning limit reached A bus error counter reached or exceeded...

Страница 59: ...ion D31 D16 Not in use D15 D12 Error Codes for PT113CO Bin Dec Error Description 0000 0 No error found 0001 1 ADC out 0010 2 ADC over 0011 3 ADC under 0100 4 System Error 0101 5 In programming mode 0110 6 Low High Voltage Error 0111 7 Instrument not found D11 D10 Not in use D9 Operating Mode 0 Weight Force Mode 1 Count Mode D8 Centre of zero 0 Weight is out of centre of zero 0 LED off 1 Weight is ...

Страница 60: ...st weight is not enough Increase the test weight value Write test weight value to PLC Output RxPDO 2 R_DW2 to PT113CO Input then restart the calibration Check load cell connections 0010 0101 37 Scale unstable Wait until scale become stable Check grounding wiring D7 D0 Calibration Process Status 0000 0001 1 System ready for calibration 0000 0011 3 Zero calibration in process 0000 0100 4 Span calibr...

Страница 61: ...ed weight Floating point 00100 4 Gross weight Floating point 00101 5 Tare weight Floating weight 10000 16 Calibration Status Refer to Table 12 11 D0 New CMD Toggle Apply commands which are listed in this table 1 First load R_DW2 with the span calibration test weight value then apply this command with New CMD set 2 First load R_DW2 with the selected value then apply this command with the New CMD fl...

Страница 62: ...art Span calibration 4 Check the low byte of Calibration Status It should be decimal 4 during the span calibration process 5 The low byte of Calibration Status changes to decimal 1 at the end of Span calibration 6 If the low byte of Calibration Status is 9 check the high byte of Calibration Status to determine 7 the calibration error 9 5 1 3 CANopen Pinout Pinout and wiring of the CANopen interfac...

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