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Seneca Z-SG3 User Manual
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Seneca Z-SG3 User Manual

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USER MANUAL
Z-SG3 / ZE-SG3
SENECA S.r.l.
Via Austria 26 – 35127 – Z.I. - PADOVA (PD) - ITALY
Tel. +39.049.8705355 – 8705355 Fax +39 049.8706287
www.seneca.it
ORIGINAL INSTRUCTIONS

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  • Page 1 USER MANUAL Z-SG3 / ZE-SG3 SENECA S.r.l. Via Austria 26 – 35127 – Z.I. - PADOVA (PD) - ITALY Tel. +39.049.8705355 – 8705355 Fax +39 049.8706287 www.seneca.it ORIGINAL INSTRUCTIONS...
  • Page 2 Set-up must be performed only after correct installation and the user must follow all the operations described in the installation manual carefully. Seneca is not responsible for failures, breakages and accidents caused by ignorance or failure to apply the stated requirements.
  • Page 3 User Manual Z/ZE-SG3 SERIES Document revisions DATE REVISION NOTES AUTHOR 26/06/2023 First revision www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 3 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 4 SEZIONE SETUP I/O ................................22 SEZIONE TEST AND LOAD CELL CALIBRATION ......................25 8. CONFIGURAZIONE DEL DISPOSITIVO Z-SG3 / ZE-SG3 TRAMITE EASY SETUP 2 9. TARATURA DELLA CELLA DI CARICO ..............31 TARATURA DELLA CELLA DI CARICO TRAMITE IL WEBSERVER (SOLO MODELLO ZE-SG3) ........31 TARTURA CELLA CON PARAMETRI DI FABBRICA .......................31...
  • Page 5 User Manual Z/ZE-SG3 SERIES TARATURA DELLA CELLA DI CARICO TRAMITE IL SOFTWARE EASY SETUP 2 (SOLO MODELLO Z-SG3) .....34 TARATURA CELLA CON PARAMETRI DI FABBRICA .....................34 TARATURA CELLA CON PARAMETRI DI FABBRICA E CON TARA INSERITA MANUALMENTE ........34 TARTURA CELLA CON UN PESO CAMPIONE ........................34 TARATURA DELLA CELLA DI CARICO TRAMITE REGISTRI MODBUS................34...
  • Page 6 Use the installation manual for more information. ATTENTION! In any case, SENECA s.r.l. or its suppliers will not be responsible for the loss of data/revenue or consequential or incidental damages due to negligence or bad/improper management of the device, even if SENECA is well aware of these possible damages.
  • Page 7 Signal cables increases until it reaches the full scale (if possible) where the measurement will be approximately: 5* (cell sensitivity) mV. For example, if the declared cell sensitivity is 2 mV/V, 5 * 2 = 10 mV must be obtained. www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 7 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 8 STATED LOAD CELL [Ohm] 1000 For the connection of 4 load cells Seneca recommends using the SG-EQ4 product. To connect 2 or more 4-wire cells in parallel with the SG-EQ4 junction box, use the following diagram: www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY...
  • Page 9 All the potentiometers must be adjusted so as to set the maximum sensitivity for each cell, turning them all completely clockwise. Then, once www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY...
  • Page 10 5) Measure and adjust the excitation voltage of the other three load cells using the respective potentiometer. Check the results and make a final adjustment by moving a test load from corner to corner. www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY...
  • Page 11 If ALL the dip switches 1 ... 8 are OFF, the device uses the configuration saved in Flash (configured with the Easy Setup software) for the RS485 port. RS485 DIP1 DIP2 DIP3 DIP4 DIP5 DIP6 DIP7 DIP8 configuration FROM FLASH www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 11 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 12 The parity bit and other baud rates can only be configured via the Easy Setup software. Setting the dip switches, parity will always be "No" and stop bits always at 1. www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY...
  • Page 13 Normal operation: The device loads the configuration from the flash. Resets the device to its factory configuration Disables access to the Web server (ZE-SG3 model only) Reserved www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 13...
  • Page 14 THE USB PORT, THE USB PORT HAS PRIORITY (WHEN THE USB CABLE IS INSERTED, COMMUNICATION IS ONLY FROM THE USB). TO GET THE COMMUNICATION ON THE RS485 IT IS NECESSARY TO DISCONNECT THE USB CABLE. www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 14...
  • Page 15 Where x.y are the last two values of the MAC ADDRESS. This way it is possible to install more I/O of the R series and then configure the IP with the Seneca Discovery Device software even on networks without a DHCP server.
  • Page 16 Thanks to the Modbus Passthrough function it is possible to extend the amount of I/O available in the device via the RS485 port and the Modbus RTU slave protocol, for example by using the Seneca Z-PC series products. In this mode the RS485 port stops working as Modbus RTU slave and the device becomes a gateway from...
  • Page 17 Access to the web server takes place using a web browser and entering the IP address of the device. To know the IP address of the device you can use the Seneca Discovery Device software. On first access the user name and password will be requested.
  • Page 18 Sets the username to access the webserver. CONFIGURATION/WEB SERVER PASSWORD (default: admin) Sets the password to access the webserver and to read/write the configuration (if enabled). www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 18...
  • Page 19 In this mode the calibration consists in acquiring both the tare and the sample weight directly on the field. MEASURE TYPE It allows to configure the operation of the device between: BALANCE (UNIPOLAR) www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 19...
  • Page 20 The higher the filter level the more stable (but slow) the weight measurement will be. If you select the advanced filtering level (Advanced), the configuration will allow you to select the following parameters: www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 20 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 21 (14000/1.5g = 9333.333 is not an integer value) so it will be represented as: 9333*1.5g = 13999.5g To avoid this effect, use a resolution that allows the value to be represented (for example 1g or 2g). www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY...
  • Page 22 The output can be configured as normally open (Normally Open) or as normally closed (Normally Close). DIGITAL OUTPUT CONFIGURATION Here you can choose the behaviour of the digital output: www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 22 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 23 THRESHOLD WITH HYSTERESIS In this mode the output is activated when the net weight reaches the threshold, the alarm is cancelled when the net weight falls below the Threshold-Hysteresis value: www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 23 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 24 The net weight remains within the weight ∆��������_���������� (DELAT WEIGHT) over time ∆���������� (DELTA TIME) ∆��������_���������� or if the slope of the curve drawn by the net weight is less than ∆���������� www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 24...
  • Page 25 Cell Calibration chapter of this manual. CONFIGURATION OF THE Z-SG3 / ZE-SG3 DEVICE VIA EASY SETUP 2 To configure the device it is necessary to install the free "Easy Setup 2" software suite which can be downloaded in the Z- SG3 / ZE- SG3 section of the www.seneca.it...
  • Page 26 Represents a parameter related to the filter response speed, it can vary from 0.001 (slowest response) to 1 (fastest response). Represents the variance of the process. TYPE OF RESOLUTION www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 26 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 27 The net weight remains within the weight ∆��������_���������� (DELAT WEIGHT) over time ∆���������� (DELTA TIME) ∆��������_���������� or if the slope of the curve drawn by the net weight is less than ∆���������� www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 27...
  • Page 28 Sets the value of the net weight alarm threshold, the alarm stops when the net weight falls below the Threshold- Hysteresis value ALARM 1/2 HYSTERESIS Value of the alarm threshold hysteresis www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 28...
  • Page 29 Sets the type of output in Voltage (range 0-10 V) or Current (range 0 – 20mA) NET WEIGHING SCALE START Sets the starting value of the net weighing which represents 0% of the analogue output www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 29 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 30 It allows to set the number of ADC points within which to reset the tare automatically. If after 5 seconds of stable weighing condition the ADC value of the net weight deviates by less than this value then a new tare is acquired. www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 30 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 31 The tare can be entered manually in technical units (if known) or it can be acquired from the field. ATTENTION! TO OBTAIN A BETTER MEASUREMENT ACCURACY ACQUIRE THE TARE FROM THE FIELD 9.1.1.1. MANUAL ENTRY OF THE TARE www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 31...
  • Page 32 1) Enter the "Test and load cell calibration" web server page 2) Replace the tare on the cell 3) Wait for the measurement to stabilize 4) Press the "TARE ACQUISITION (FLASH)" button www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 32...
  • Page 33 Z/ZE-SG3 SERIES 6) Replace the Tare + Sample Weight 7) Wait for the measurement to stabilize 8) Press the "STANDARD WEIGHT ACQUISITION (FLASH)" button www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 33 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 34 User Manual Z/ZE-SG3 SERIES LOAD CELL CALIBRATION THROUGH THE EASY SETUP 2 SOFTWARE (Z-SG3 MODEL ONLY) To calibrate the load cell, access the Test section: CELL CALIBRATION WITH FACTORY PARAMETERS 1) Place the tare on the load cell 2) Wait for the measurement to stabilize 3) Press the "TARE ACQUISITION"...
  • Page 35 8) Write the decimal value 50700 in the COMMAND REGISTER 9) The device saves the new sample weight value in flash and resets the COMMAND REGISTER value 10) The load cell is calibrated www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 35 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 36 Single-precision, 32-bit floating point register (IEEE 754) FLOAT 32 BIT https://en.wikipedia.org/wiki/IEEE_754 Boolean register, which can take values 0 (false) or 1 (true) www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 36 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 37 According to the Modbus standard the Holding Registers are addressable from 0 to 65535, there are 2 different conventions for numbering the addresses: "0-BASED" and "1-BASED". For greater clarity, Seneca shows its register tables in both conventions. ATTENTION! CAREFULLY READ THE DOCUMENTATION OF THE MODBUS MASTER DEVICE IN ORDER TO UNDERSTAND WHICH OF THE TWO CONVENTIONS THE MANUFACTURER HAS DECIDED TO USE NUMBERING OF MODBUS ADDRESSES WITH "0-BASED"...
  • Page 38 LSB Byte (Least Significant Byte) defines the 8 bits ranging from Bit 0 to Bit 7 included, we define MSB Byte (Most Significant Byte) the 8 bits ranging from Bit 8 to Bit 15 inclusive: BYTE MSB BYTE LSB www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 38...
  • Page 39 In the reading registers it is possible to swap the most significant word with the least significant word, therefore it is possible to obtain 40064 as LSW and 40065 as MSW. www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY...
  • Page 40 Since we have 16-bit registers available, the value must be divided into MSW and LSW: 0x4022 (16418 decimal) are the 16 most significant bits (MSW) while 0x8F5C (36700 decimal) are the 16 least significant bits (LSW). www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 40 BE REPRODUCED WITHOUT PRIOR PERMISSION.
  • Page 41 All 32-bit values are contained in 2 consecutive registers ATTENTION! Any registers with RW* (in flash memory) can be written up to 10000 times The PLC/Master Modbus programmer must not exceed this limit www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 41...
  • Page 42 The PS1 button allows you to acquire the tare (in RAM); to acquire the tare, keep the button pressed for at least 3 seconds. FIRMWARE UPDATE In order to improve, add, optimize the functions of the product, Seneca releases firmware updates on the device section on the www.seneca.it...
  • Page 43 The search and modification of an IP of the device can be performed via the Seneca Discovery Device software. If Seneca devices that are not part of the R series are also used, it is more convenient to set the addresses with a single software.
  • Page 44 Z/ZE-SG3 SERIES The software works on layer 2 level and it is therefore not necessary to have an Ethernet configuration compatible with the device you are looking for. www.seneca.it ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY Doc: MI-00617-0-EN Page 44 BE REPRODUCED WITHOUT PRIOR PERMISSION.

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