Novatek ET- 485 User Manual

Novatek ET- 485 User Manual

Protocol converter modbus rtu/ascii (rs-485) to modbus tcp (ethernet

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NOVATEK-ELECTRO LTD.
Intelligent Industrial Electronics
Protocol converter
Modbus RTU/ASCII (RS-485) to
Modbus TCP (Ethernet)
ЕТ- 485
USER MANUAL
TECHNICAL DATA SHEET
www.novatek-electro.in

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Summary of Contents for Novatek ET- 485

  • Page 1 NOVATEK-ELECTRO LTD. Intelligent Industrial Electronics Protocol converter Modbus RTU/ASCII (RS-485) to Modbus TCP (Ethernet) ЕТ- 485 USER MANUAL TECHNICAL DATA SHEET www.novatek-electro.in...
  • Page 2 DO NOT OPERATE THIS UNIT IN CASE OF ANY MECHANICAL DAMAGE TO THE CASING. DO NOT EXPOSE THIS PRODUCT TO WATER OR OPERATE IN A HIGH HUMIDITY ENVIRONMENT. This is a safe in service unit if complying with operating procedures. ET-485 NOVATEK-ELECTRO...
  • Page 3: Table Of Contents

    7.3. Configuring ЕТ-485 through WEB interface 7.4. Configuring ЕТ-485 through Modbus interface 8. Complete set 9. Service life and warranty 10. Transportation and storage 11. Acceptance certificate 12. Data on claims Appendix A. Switching to Ethernet Appendix B. Character codes under ASCII standard ET-485 NOVATEK-ELECTRO...
  • Page 4  WEB – is a system for accessing documents on the server, used in the Internet.  WEB-page – is a document, file, recourse, which is available on the Web-server;  WEB-browser – is a WEB-server client for accessing the WEB-pages, which is primarily using the HTTP protocol. ET-485 NOVATEK-ELECTRO...
  • Page 5: Purpose

    Modbus network (RTU and ASCII with/without odd-even check, wide range of transmission speeds, selectable delay).  Web based interface for easy configuration and monitoring.  Maximum current consumption 10mA (220VAC) Figure 1 – Network mapping with the unit ET-485 NOVATEK-ELECTRO...
  • Page 6 Readiness time upon switching the unit to the mains, sec, no more than Utilized current (in case of 220 V), mA, at most Weight, kg, at most 0.200 Dimensions, mm 95 х 52 х 67 Unit purpose Communication equipment Nominal operation condition continuous ET-485 NOVATEK-ELECTRO...
  • Page 7: Operating Conditions

    Table 2 – Operating and storage conditions Operating temperature, °С from minus 35 to +55 from minus 45 to +70 Storage temperature, °С Atmospheric pressure, kPa from 84 to 106.7 from 30 to 80 Relative air humidity (at 25°С), % ET-485 NOVATEK-ELECTRO...
  • Page 8: Structure And Functioning

    The unit has a standard plastic case, which can be attached to the DIN-rails with the width of 35 mm. The unit drawing, together with the overall and setting dimensions, is provided in Figure 2. Figure 2 – Overall dimensions of the unit ET-485 NOVATEK-ELECTRO...
  • Page 9: Display And Control

    – press and hold down the reset button "R"; release the "R" button when "Error" indicator shall become activated. Note – when restarting the unit, the clients may need to renew the connections. ET-485 NOVATEK-ELECTRO...
  • Page 10 The unit has a memory to save settings. Every unit is provided with a globally unique MAC-address (during the production) and can be connected to local networks with a protected access to Internet. Control panel LED module DC power Reset button (unit status indication) Processor ARM cortex Figure 4 – Structural diagram of the unit ET-485 NOVATEK-ELECTRO...
  • Page 11: Maintenance And Safety Measures

    The maintenance procedure includes visual inspection to verify the connection of cables to the ЕТ-485 terminals, as well as the absence of fractures and cracks on the case. All safety regulations provided under section 4.1 should be enforced during the maintenance. 5 SWITCHING OF ЕТ-485 ET-485 NOVATEK-ELECTRO...
  • Page 12 Switch the power cable connection (copper stranded conductor cable with the cross-section of 0.75 mm maximum operating voltage of no less than 380V) to “220V” socket, and then connect the cable to the power supply 220V, 50 Hz. Figure 5 – Unit connection diagram ET-485 NOVATEK-ELECTRO...
  • Page 13: Operating The Ет-485

    The connection port for Modbus TCP can be changed by the user. PC connection can be established using any software – Modbus TCP of the clients. Client software for ОС Windows can be downloaded from the manufacturer's web-site (http://novatek-electro.com/programmnoe_obespechenie.html). ET-485...
  • Page 14 Modbus-interface, see Section 7.4; WARNING! ANY CHANGES IN UNIT CONFIGURATION MAY RESULT IN BLOCKING OR OBSTRUCTION WHILE TRYING TO REACH THE UNIT OVER THE NETWORK. In this case, all parameters should be factory reset (see Section 3.2). ET-485 NOVATEK-ELECTRO...
  • Page 15: Settings

    Integer (16 bits) in a standard range of Modbus register 0-4294967295 in two registers, Integer number, which can not exceed the limit Number upper part – first for Modbus register (65535) Set of values, each of which is equal to code 1 of ET-485 NOVATEK-ELECTRO...
  • Page 16 126-131 Number of Modbus TCP clients Number of connections provided over the Modbus TCP protocol Maximum number of Modbus TCP Total number of possible connections to Modbus TCP clients Time, min Number of minutes since the start 134-135 ET-485 NOVATEK-ELECTRO...
  • Page 17 0: preset IP-address, mask and gateway is used for addressing addressing via in Ethernet. DHCP-server 1: DHCP network server is used by the unit to determine IP- address, mask and gateway. The parameters for static addressing are used if server is unavailable ET-485 NOVATEK-ELECTRO...
  • Page 18 IP-address of the main client Enable the IP- 0: Modbus TCP connections are available from any address connections 1: any Modbus TCP connections are available only from the filter over IP-address of the main client Modbus TCP ET-485 NOVATEK-ELECTRO...
  • Page 19 0: unit forwards all Modbus TCP requests into the Modbus identifier of the unit 0-247 network, unit registers via Modbus TCP are unavailable 1–247: units responds to Modbus TCP requests bearing the given Modbus-identifier without forwarding them to the Modbus network ET-485 NOVATEK-ELECTRO...
  • Page 20 The response is always expected longer then time of silence between frames (time of silence depends on the bit rate and shall be equal to the time required for transmitting 3.5 bytes, or 1.75 msec for bit rate over 19,200 bits/sec). ET-485 NOVATEK-ELECTRO...
  • Page 21 5 to 20 characters can be used as a password. It may not 543-562 the setup mode characters contain spaces or special characters listed in quotes below: «; : " < > * + = \ | / ? ,» ET-485 NOVATEK-ELECTRO...
  • Page 22: Configuring Ет-485 Through Web Interface

    Click "Restart" to stop all connections and interrupt all receive/transmit operations, with the following restart of the unit. In case of any changes to the parameters, either introduced or stored in the memory, these changes shall be implemented. ET-485 NOVATEK-ELECTRO...
  • Page 23: Configuring Ет-485 Through Modbus Interface

    To reset the saved parameters to factory settings, write 3 (instruction for “Restoring to factory”) in the instruction register. Restart the unit for the saved settings to take effect. To restart via Modbus interface, write 1 (instruction for “Restarting”) in the instruction register. ET-485 NOVATEK-ELECTRO...
  • Page 24: Complete Set

     traces of tampering;  damage by electric shock at a voltage, which is higher than maximum permissible voltage, as indicated in the user manual. Warranty service shall be provided at a place of purchase. ET-485 NOVATEK-ELECTRO...
  • Page 25: Transportation And Storage

    10 TRANSPORTATION AND STORAGE ET- 485 in the shipping box should be stored indoors at a temperature of -45 to +70C and relative humidity of no more than 80% with no vapors available in the air, capable of producing harmful effect on the shipping box and unit materials....
  • Page 26 Date of manufacture___________________ _____________________________ _____________________________ _____________________________ Please contact the manufacturer should you have any questions. NOVATEK ELECTRO INDIA PVT. LTD. C-30, Patparganj Industrial Area, 1 flr. Delhi-110092, INDIA Tel. +91 11 42143253, Tel/Fax. +91 11 43010600 Date of sale___________________ Email: info@novatek-electro.in Web: www.novatek-electro.in...
  • Page 27: Appendix A. Switching To Ethernet

    192.168.0.1, 192.168.0.100, or 192.168.0.101. In this case, other units in the network shall have this IP-address of the unit as the gateway address. This address is not necessary for communication between units in a subnet, and is only used to connect units of one subnet to units of other networks. ET-485 NOVATEK-ELECTRO...
  • Page 28 Table A.1, or the ET-485 factory IP-address is already taken, the configurable unit should be temporarily removed from the network to avoid addressing conflicts and establish a communication between this unit and ET- 485 directly. This will allow to configure the unit and ET-485 for direct communication or switching ET-485 to the network.
  • Page 29 The fields "Default Gateway", "Preferred DNS-server", and "Alternative DNS- server" should be left blank. Press "OK" to close the Protocol Settings window. Press "OK" to close the Connections Settings window. If prompted by the OS to restart the PC after closing the windows, answer yes. ET-485 NOVATEK-ELECTRO...
  • Page 30 ~ 30 ~ Figure А.3 – Connection properties window Figure А.3 – TCP/IP properties window in Windows OS in Windows OS ET-485 NOVATEK-ELECTRO...
  • Page 31 IP-address provided by the ISP, to the unit IP-address (factory setting - 192.168.0.111);  verify if the Internet connection is protected by standard means (see below);  when referring the unit via Internet, use IP-address provided by your ISP. ET-485 NOVATEK-ELECTRO...
  • Page 32 Note: The setup mode is provided over an unprotected connection upon entering the correct password. The users are strongly recommended to enable the "IP-connections filter for configuration" option of ET- 485 in case of network configuration (especially for networks without other types of protection).
  • Page 33 ~ 33 ~ Appendix B Character codes under ASCII standard Code Characte Code Characte Code Characte Code Characte Code Characte Code Characte (space) “ & ‘ < > * – all codes are provided in decimal numeration system ET-485 NOVATEK-ELECTRO...

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