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Novatek ET-485 Operating Manual

Protocol converter
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NOVATEK-ELECTRO LTD
Intelligent Industrial Electronics
Protocol converter
ЕТ- 485,
ЕТ- 485-24
Quality control system on the development and production complies with requirements
CAUTIONS
Carefully study the operating manual before using the appliance.
Place the unit under operating conditions and wait at least 2 hours before connecting it to the electricity
mains.
Do not use abrasives or organic compounds (alcohol, gasoline, solvents, etc.) for cleaning.
DO NOT OPEN AND REPAIR THE EQUIPMENT YOURSELF.
It may contain energized parts.
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.
UKRAINE, Odessa
OPERATING MANUAL
ISO 9001:2015, IDT

www.novatek-electro.com

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  • Page 1 NOVATEK-ELECTRO LTD Intelligent Industrial Electronics Protocol converter ЕТ- 485, ЕТ- 485-24 OPERATING MANUAL Quality control system on the development and production complies with requirements ISO 9001:2015, IDT  CAUTIONS Carefully study the operating manual before using the appliance. Place the unit under operating conditions and wait at least 2 hours before connecting it to the electricity mains.

  • Page 2: Table Of Contents

    6.1. General information 6.2. Operating ЕТ-485 over the HTTP protocol 6.3. Operating ЕТ-485 over the Modbus TCP protocol 6.4 The operation of ET-485 in the mode of active connection to the client 7. SETTINGS 7.1. General information 7.2. Parameters of ЕТ-485 7.3.

  • Page 3: Designation

    This Operating Manual is intended to familiarize you with the design, the requirements for safety, operation and maintenance procedures of the Protocol converter ET-485 and ET-485-24 (hereinafter referred to as the "device"; ET-485; the abbreviation ET-485-24 is used separately when the power characteristics are different).

  • Page 4: Specifications

    2. TECHNICAL SPECIFICATIONS 2.1. MAIN SPECIFICATIONS Main specifications are resulted in Table 1. Table 1 – Main specifications of the unit Parameters ET-485 ET-485-24 Operating supply voltage, VAC Voltage to maintain normal operation, V 100 – 250 100 – 250 - alternating current 140 –...

  • Page 5: Display And Control

    5 – Indicator «Ethernet» is activated when connected to the Ethernet network; is flashing while data exchange over the Ethernet network. Figure 2 – Front panel of ET-485 3.2. OPERATION Simplified structural diagram of the unit is provided in Figure 3.

  • Page 6: Maintenance And Safety Measures

    Appendix C. Note. To improve performance of the device in power supply circuit of ET-485 it is recommended to install the circuit breakers (fuses) F1 and F2 or their analogues for the current of no more than 1 А.

  • Page 7: Operating Ет-485 Over The Http Protocol

    Figure 4 – Unit connection diagram 6.2. OPERATING ЕТ-485 OVER THE HTTP PROTOCOL ET-485 waits for a connection to an Ethernet network using the HTTP protocol on port 80. PC connection can be established using the WEB-browser. When a client connects to port 80, the unit starts expecting requests for HTML-pages. These requests may contain certain parameters.

  • Page 8: The Operation Of Et-485 In The Mode Of Active Connection To The Client

    (data collection remote server) with a set host name or IP address. ET-485 receives Modbus TCP queries from this client and returns responses. The mode allows one user to work with one or more ET-485 units via the Internet without static address assignment to each unit (see Appendix C).
  • Page 9 Table 5 – The Unit Describing Parameters Parameter Description Address Code identifying the Modbus unit by the manufacturer (12 – ET-485) Unit type Version of firmware of the integrated software of the unit Firmware version Table 6 – The Unit Current Mode Parameters Min –...
  • Page 10 Table 7 (continued) Parameter Description Address 1: the connected client has the permit for access to ET-485 registers, except for registers of version, password, mode and access flags 0: the connected client does not have the permit for requesting function of recording ET-485...
  • Page 11 4*: There is no parity bit, 1 stop bit; 5*: There is no parity bit, 2 stop bits when sending and 1 stop bit when receiving (this mode provides compatibility with devices containing both 1 and 2 stop bits in the same Modbus network) ЕТ-485 NOVATEK-ELECTRO...
  • Page 12 «; : " < > * + = \ | / ? ,» Used for access to the devices, connected to ET-485, for The preset requesting functions of recording or control, which can password for change the state of these devices.
  • Page 13 Factory Address Parameter Description setting Enable IP Used for access to the devices, connected to ET-485, for connection filter requesting functions of recording or control, which can 0 – 1 to record to de- change the state of these devices.
  • Page 14 1: activation code on the data collection server is set ACC state flags 1008 0: ET-485 doesn‟t require new activation code from server Bit 2 1: ET-485 requires new activation code from server 0: connection is not activated by the data collection server...

  • Page 15: Configuring Ет-485 Through Web Interface

    Table 11 – User registers Parameter Initial value Description Address These registers are stored in RAM and are not used by ET-485. User 5000–5249 The registers can be used at the discretion of the user; Table 12 – Virtual registers...

  • Page 16: Complete Set

    80% with no vapors available in the air, capable of producing harmful effect on the shipping box and unit materials. When transporting ET- 485, the user should provide some protection against mechanical damage 11. ACCEPTANCE CERTIFICATE ET-485 is manufactured and accepted in accordance with the applicable technical documentation and considered fit for use. Stamp...

  • Page 17: Appendix A. Versions And Changes

    9/2/2014 alike)  Changed Modbus clients sessions policy (password-granted rights are kept 10/16/2014 active for set period of time, for clients accessing not ET-485 but other Modbus devices)  The option of updating the integral Software has been added 22/01/2015 ...

  • Page 18: Appendix B. Switching To Ethernet

    DHCP server and a non-masked part of the factory IP address of the device is free in the network. In this case, it is enough to connect ET-485 to this network, and after a few seconds ET-485 will be available at this address.
  • Page 19 Select "Use the following IP- address". Specify the address in the "IP- address" field within the range from 192.168.0.1 to 192.168.0.255 (except for 192.168.0.111, which is used by ET-485). Specify "255.255.255.0" in the “Subnet Mask” field. The fields "Default Gateway", "Preferred DNS-server", and "Alternative DNS- server" should be left blank.
  • Page 20 In case of complex and large networks (especially when providing access to the ET-485 via Internet), the users are recommended to separate the unit from unprotected networks with standard protective equipment (router, configured to filter the transmissions, Firewall, etc.).

  • Page 21: Appendix C. Examples Of Networks Topology

    о м ET-485 “a” is connected in the slave mode to RS-485 Modbus “A” network (with a master device). ET-485 “b” is щ connected in the master mode with a static IP address to Modbus “B” network (with slave devices). Both units are о...
  • Page 22 At consecutive “chain” redirection, as shown in Figure C.4, every new ET-485 unit is set for redirection to the last added ET-485 unit in the chain (in the settings of which, in its turn, a new unit can be specified as the main client).
  • Page 23 In every new ET-485 unit, which is added into the chain, the answer awaiting delay from the remote server must be chosen long enough for the query to go from the last ET-485 unit to the first one in the chain and for the reverse answer from it.
  • Page 24 This way provides extra safety in the multiuser system;  as ACC protocol is based on Modbus TCP, the client should use Modbus address of ET-485 unit, in order to perform identification. Modbus address of ET-485 can be identified, for example, in the following ways: a) client holds set Modbus address of ET-485 for each MAC address of the unit;...

  • Page 25: Appendix D. Updating Of Integral Software

    (for example, loss of power supply) this file is used for automatic restoration. Either of these files can be retrieved from the memory of ET-485 (for uploading into another ET-485). The integral software can be updated from these files via WEB-interface or in special mode of integral software updating.
  • Page 26 Remark – 1 Warning 2 sec Blinking Code is indicated by (depends on – 2 Warning code Frequency 1/3 number of red LED warning code) switching off – – – – 3 Action by code See table D.5 ЕТ-485 NOVATEK-ELECTRO...
  • Page 27 Emergency mode – an error Similar to №5 Similar to №5 during the current updating of software Unrecoverable error – no files available for updating, the Similar to №5 Similar to №5 integral software cannot be started ЕТ-485 NOVATEK-ELECTRO...

  • Page 28: Appendix E. Symbol Codes According To Ascii

    ~ 28 ~ APPENDIX E (recommended) SYMBOL CODES ACCORDING TO ASCII Code* Symbol Code* Symbol Code* Symbol “ & „ < > * – codes are given in decimal numbering system ЕТ-485 NOVATEK-ELECTRO...

This manual is also suitable for:

Et-485-24

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