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Novatek-electro RS-485 Operating Manual

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NOVATEK-ELECTRO Ltd
Intellectual industrial electronics
RS-485 INTERFACE
CONTROLLER
EM-481
OPERATING MANUAL
TECHNICAL PASSPORT
Quality Management System of development and production complies with the requirements of
ISO 9001:2015
Dear Customer,
NOVATEK-ELECTRO Ltd. Company thanks you for purchasing our products.
You will be able to use properly the device after carefully studying the Operation Manual.
Store the Operating Manual throughout the service life of the device.
Ukraine, Odessa
www.novatek-electro.com

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Summary of Contents for Novatek-electro RS-485

  • Page 1 Quality Management System of development and production complies with the requirements of ISO 9001:2015 Dear Customer, NOVATEK-ELECTRO Ltd. Company thanks you for purchasing our products. You will be able to use properly the device after carefully studying the Operation Manual. Store the Operating Manual throughout the service life of the device.

  • Page 2: Table Of Contents

    5.2 Using the device 5.2.1 General 5.2.2 Operation modes 5.2.2.1 Connection to the server 5.2.2.2 Monitoring of devices connected via RS-485 5.2.2.3 Access to MODBUS network using MODBUS TCP 5.2.2.4 Access to MODBUS network using SMS 5.2.2.5 Data collection and event tracking 5.3 Configuration...
  • Page 3 Occupational Safety in Operation of Electrical Installations; Installation, adjustment and maintenance of the device must be performed by the skilled professionals having studied this Operating Manual. The device is safe for use under keeping of the operating rules. NOVATEK-ELECTRO EM-481...

  • Page 4: Service

    This Operating Manual is intended to familiarize you with the design, the requirements for safety, operation and maintenance procedures of the RS-485 interface controller EM-481 (hereinafter referred to as the "device", "EM-481"). The device meets the requirements of the following: ...

  • Page 5: Controls, Overall And Mounting Dimensions

    ATTENTION! The device is not intended for operation in the following conditions: – Significant vibration and shocks; – High humidity; – Aggressive environment with content in the air of acids, alkalis, etc., as well as severe contaminations (grease, oil, dust, etc.). NOVATEK-ELECTRO EM-481...

  • Page 6: Delivery Set

    1000 The recommended number of connected devices in Modbus network: – when the input current of receivers on RS-485 bus is no more than 0.125 mA; 256 max. – when the input current of receivers on RS-485 bus is no more than 1 mA;...

  • Page 7: Device Description

    4. DEVICE DESCRIPTION The device provides control for MODBUS devices in RS-485 network via Ethernet interfaces or GPRS, or via SMS. The device also allows reading data of devices by MODBUS. The processor supports connection to cloud- based data collection server via Ethernet network with a help of microchip of physical interface of Ethernet (or via GPRS /HSPA with a help of in-built modem, if connection via Ethernet is not available).

  • Page 8: Device Connection

     When connecting to the RS-485 bus, use twisted pair cable of category 1 or higher. It is recommended to use shielded cable; in this case it should be earthed.  When connecting to Ethernet, use the cable supplied, or twisted pair cable of category 5e with 8P8C (RJ-45) lug.

  • Page 9: Monitoring Of Devices Connected Via Rs-485

    In RS-485 master mode, queries to other devices are redirected to the MODBUS network, and a response is expected from the device in the MODBUS network, while the "RS-485" indicator lights up. If the data is received or the waiting time has expired, the "RS-485" indicator goes out.

  • Page 10: Data Collection And Event Tracking

    The connection settings of EM-481 is made via HTTP protocol or via Modbus TCP protocol and serves for specifying the main parameters needed for the device operation: types of connected sensors, exchange parameters via RS-485, parameters of address in Ethernet network (if Ethernet is used) and server address to which EM-481 is connected automatically.
  • Page 11 4: "Save and apply" - similarly to commands 2 and 3 sent one after another; 9: “Cancel" - to read the saved settings; 51: “Apply for Modbus” – apply settings via Modbus and RS-485; 0–40959, 59: “Apply for user” – apply settings for the user area of the registers;...
  • Page 12 Effective load of RS- Number of responds without errors via RS-485 per second. 485, query/s Load of RS-485 per Load of RS-485 for the last second considering the set rate of RS-485 second, % and time of inactivity Load of RS-485 per...
  • Page 13 Modbus TCP - from the moment of start up Max. load of RS-485, % Maximal load of RS-485 for 5 minutes - from the moment of start up Max. load of GSM, kB/s Maximal load of GPRS - from the moment of start up...
  • Page 14 319 – 322 ad-ditional DNS IP-address 0.0.0.0 server Enable MAC 0 - unique value for each device is used as MAC address; 0 – 1 address 1 - is used of manually set MAC address. override Table 5.8 Continued EM-481 NOVATEK-ELECTRO...
  • Page 15 Bit rate via It is used in case of data exchange between the devices via 75 – 458 – RS-485, bit/sec 9600 RS-485, the same value for the devices on the same bus- 921 600 Table 5.8 Continued NOVATEK-ELECTRO EM-481...
  • Page 16 (register 461, values 4 and 5) are not available in this case, format 3 (2 stop bits) is used instead. It is used in case of data transfer via RS-485 in ASCII mode. If Response time you receive a response, if the next byte of the response was 0 –...
  • Page 17 MODBUS TCP be indicated as password. This string should not have any in devices using spaces. RS-485 The specified It is used to access devices connected to the password for EM-481, to request read functions, or to access the EM-481 560 –...
  • Page 18 0 – Master mode: RS-485 is used to send queries; Enable RS-485 0 – 1 1 – Slave mode: RS-485 is used to receive queries from slave mode additional client; First MODBUS- Parameters define a range of MODBUS identifiers used for 1 –...
  • Page 19 Preset hour of It is used if you selected the automatic transition to daylight revert to 1–23 saving time on the specified days. The hour of the day at standard time which the clock will be set one hour back. NOVATEK-ELECTRO EM-481...

  • Page 20: Em-481 Configuring Via Web-Interface

    – registers for the clock setting is available only in the clock setting mode, see registers 120, 122 5.3.3. EM-481 configuring via WEB-interface WEB-browser is used for setting via WEB-interface: 1) Write the IP-address of EM-481 in the address bar of the browser (to display the address on the display of EM-481 NOVATEK-ELECTRO...

  • Page 21: Em-481 Configuring Via Modbus-Interface

    (turn the values to 0). 6. MAINTENANCE 6.1. Safety precautions THE TERMINALS AND THE DEVICE INTERNAL ELEMENTS CONTAINS POTENTIALLY LETHAL VOLTAGE DURING MAINTENANCE IT IS NECESSARY TO DISABLE THE DEVICE AND CONNECTED DEVICES FROM THE MAINS. NOVATEK-ELECTRO EM-481...

  • Page 22: Service Life And Manufacturer Warranty

    ____________________________________________________________________________________________ The Company is grateful to you for the information about the quality of the device and suggestions for its operation. For all questions, please contact the manufacturer: NOVATEK-ELECTRO Ltd, 59, Admiral Lazarev Str.; Odessa, 65007, Ukraine. Tel.: +38 (048)738-00-28, Tel./fax: +38 (0482) 34-36-73.

  • Page 23: Appendix A. Versions And Modifications

    Date of issue Remarks  10.04.2017 Demo version  27.04.2017 Improved operation in slave mode using RS-485  6.06.2017 Added support for statistical functions for variable ranges in task files  Support for task files in UTF-8 format is added. ...

  • Page 24: Appendix B. Connections

    (mind the OS version). For OS of Windows XP: 1) Log in as administrator; 2) Select Start-Control Panel; 3) If control panel items are divided into categories, select "Network and Internet Connections"; 4) Go to "Network Connections". EM-481 NOVATEK-ELECTRO...
  • Page 25 - for a local IP address of a device on which there is a redirection, it is necessary to specify 80 (for access to the WEB INTERFACE), 502 (for access on NOVATEK-ELECTRO EM-481...
  • Page 26 (by information on the display or on the page of parameters of the unit WEB-interface state) that the connection to the server is made and the activation code is received; Server: (E) 85629051 Fig. B.3 – Image of the activation code on the display EM-481 NOVATEK-ELECTRO...
  • Page 27 “activated”; Fig. B.4 – Image of activation state on the display Server: (E) active FOR INFORMATION ABOUT EM-481 CONNECTION TO OTHER SERVERS, CONTACT THE DEVICE MANUFACTURER. NOVATEK-ELECTRO EM-481...

  • Page 28: Appendix C. Operation Logic Programming

    (sections can be interrupted and then be continued after one or more sections), if two rules are fulfilled: 1) If a section with numbered lines is found for the first time, the numbering starts with 0, otherwise, numbering continues from the previous section of the same name. EM-481 NOVATEK-ELECTRO...
  • Page 29 Phone numbers to which SMS are sent STRS Texts of messages to send to SMS CONDS Comparison of variables, the conditions for performing actions ACTS Actions that can be performed REACTS Reactions that determine under what conditions the actions will be fulfilled NOVATEK-ELECTRO EM-481...
  • Page 30 By default, if a modifier is not specified, it equals to 1000. PARAMLOADRATIO Maximum load of RS-485 channel, in percent: After each query a delay is added, <uchar> depending on the waiting time of the last response that allows other clients to send queries and receive responses.
  • Page 31 MODBUS ID of the name of the subfolder, if the file is placed in the subfolder named "1" to "247"). Tables of registers:  H - storage registers (most frequently used registers)  I - input registers;  D - digital inputs;  С – tabs. Address: a number from 0 to 65535. NOVATEK-ELECTRO EM-481...
  • Page 32 <param ref> - parameter reference of format Pn, where n is index of the parameter;  <var ref> - variable reference of format Vn, where n is index of the variable.  <cond ref> - reference to the Cn format condition, where n is the condition index EM-481 NOVATEK-ELECTRO...
  • Page 33 <index> <text> Index: the sequential number of the line. Special sequences in the line text:  *U* - MODBUS ID by default;  *<var ref>* - variable reference, such as *V2*  ** - means a single character * NOVATEK-ELECTRO EM-481...
  • Page 34 Comparison of two variables. The condition is fulfilled when the first variable by reference is more than the second variable. VARGRVAL <var ref> <int> Comparison of a variable with a specified value. The condition is fulfilled when a variable by reference is more than the specified value. EM-481 NOVATEK-ELECTRO...
  • Page 35 “*”. Each line has the following format: * <cond ref> <response type> <act ref> The types of the arguments:  <cond ref> - reference to the condition of the format Cn, where n is the index of the condition; NOVATEK-ELECTRO EM-481...
  • Page 36 0 3 UINT16 H 240 !VARS #copy zero bit of the register 240 #now in the variable the parameter value is 240.0 0 PARAMBIT P0 0 !CONDS #variable V0 is compared with 1, condition is met, if V0 = 1 EM-481 NOVATEK-ELECTRO...
  • Page 37 4 * UINT16 H 5503 5 16 UINT16 H 47 !VARS #lower and upper temperature limits, as well as its current value 0 PARAMVAL P0 1 PARAMVAL P1 2 PARAMVAL P2 #hysteresis for temperatures is lower (or above) than the appropriate limits NOVATEK-ELECTRO EM-481...
  • Page 38 6 VARSSELBYC V3 C0 !CONDS # is hysteresis not set to the desired value yet? 3 VARNEVAR V5 V6 !ACTS # write a new hysteresis in ТР-101 0 PARAMWRVAR P5 V6 !REACTS * C3 REPEAT A0 #program is completed EM-481 NOVATEK-ELECTRO...

  • Page 39: Appendix D. Updating Of Firmware

    At automatic entering into the mode of firmware updating or at manual selection of file, the updating is made from the file. The procedure of updating is described in Table D.3. NOVATEK-ELECTRO EM-481...
  • Page 40 1 hour The correct file of firmware updating should be loaded in the folder «UPGRADES» on the cannot be started SD memory card. If the error is repeated, contact the manufacturer. EM-481 NOVATEK-ELECTRO...

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Em-481

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