SST Automation GT200-HT-MT User Manual
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SST Automation GT200-HT-MT User Manual

Hart/modbus tcpgateway
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HART/Modbus TCP Gateway
GT200-HT-MT
User Manual
V 1.2
REV B
SST Automation
E-mail: SUPPORT@SSTCOMM.COM
WWW.SSTCOMM.COM

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Summary of Contents for SST Automation GT200-HT-MT

  • Page 1 HART/Modbus TCP Gateway GT200-HT-MT User Manual V 1.2 REV B SST Automation E-mail: SUPPORT@SSTCOMM.COM WWW.SSTCOMM.COM...
  • Page 2 The product has many applications. The users must make sure that all operations and results are in accordance with the safety of relevant fields, and the safety includes laws, rules, codes and standards. Copyright Copyright © 2020 by SST Automation Co., Ltd. All rights reserved. Trademark is the registered trade mark of SST Automation.

  • Page 3: Table Of Contents

    2.3.2 Internal / External Terminal Resistor Switch..................5 2.4 Interface................................5 2.4.1 Power Interface............................ 5 2.4.2 Ethernet Interface..........................6 2.4.4 HART Interface............................6 2.5 Topology of GT200-HT-MT and Fieldbus Devices..................7 3 Mounting..................................9 3.1 Mechanical Dimensions..........................9 3.2 Mounting Method............................9 4 Quick Start Guide..............................11 4.1 Gateway Configuration..........................11...
  • Page 4 6.1 Flowchart of Executing One HART Command................... 39 6.2 Universal Send and Receive Data........................ 39 6.3 Trigger Command............................40 6.4 Data Exchange with Modbus TCP....................... 41 WWW.SSTCOMM.COM...

  • Page 5: Product Overview

    The HART interface can be configured as a primary master or a secondary master. It acts as a server at Modbus TCP side. 1.2 Product Features Easy to use: The GT200-HT-MT can achieve seamless data communication with some simple steps;  Ethernet 10/100M adaptive;...

  • Page 6: Related Products

    [6] Supports up to 100 HART commands. Max output data: 2000 bytes, max input data: 3000 bytes; [7] Ethernet 10/100M adaptive. Supports IP address conflict detection and automatic routing functions; [8] Supports up to 36 Modbus TCP servers and up to 512 commands at the same time; [9] The Ethernet interface can be configured as a Modbus TCP server, supporting function codes:03H, 04H, 06H, 10H;...

  • Page 7: Hardware Descriptions

    2 Hardware Descriptions 2.1 Product Appearance Status indicators 24VDC Interface Ethernet interface Switch of series resistor HART Interface DIP Switch Notes: This picture is for reference only. The product appearance is subject to the actual product. WWW.SSTCOMM.COM...

  • Page 8: Led Indicators

    Debugging (Bit 1) Configuration (Bit 2) Description Running mode, configuration enable Running mode, configuration disable Configuration mode, with fixed IP address 192.168.0.10 Reserved Notes: After changing the switch, you have to restart the GT200-HT-MT to make the settings take effect! WWW.SSTCOMM.COM...

  • Page 9: Internal / External Terminal Resistor Switch

    2.3.2 Internal / External Terminal Resistor Switch The GT200-HT-MT has an internal series (270Ω/2W) resistor required for HART channel, supporting up to 13 HART instruments to be connected. When the power of the series resistor is more than 2W, you must use an external series resistor (250Ω/3W), supporting up to 15 HART instruments to be connected.

  • Page 10: Ethernet Interface

    2.4.2 Ethernet Interface Ethernet interface uses RJ-45 plug-in; its pin (standard Ethernet signal) is defined as below: Signal description TXD+ TXD- RXD+ RXD- 2.4.4 HART Interface HART Channel Function HART LOOP+ HART signal + HART LOOP- HART signal - WWW.SSTCOMM.COM...

  • Page 11: Topology Of Gt200-Ht-Mt And Fieldbus Devices

    2.5 Topology of GT200-HT-MT and Fieldbus Devices WWW.SSTCOMM.COM...
  • Page 12 Notes: 1. It is recommended to use the separate power supply for the HART instruments and the GT200-HT-MT, to ensure the stable communication. 2. To improve the communication efficiency of fieldbus, it is recommended not to configure the empty node in SST-HE-CFG software or useless commands.

  • Page 13: Mounting

    3 Mounting 3.1 Mechanical Dimensions Size: 1.57 in (width)*4.92 in (height)*4.33 in (depth) 3.2 Mounting Method Using 1.38 in (35mm) DIN RAIL WWW.SSTCOMM.COM...
  • Page 14 Installing the gateway Unloading the gateway WWW.SSTCOMM.COM...

  • Page 15: Quick Start Guide

    1. Set the setting switch to Bit1 ON and Bit2 OFF. 2. Connect the GT200-HT-MT with PC in Ethernet interface; 3. Power on the GT200-HT-MT. Now the IP address of the gateway is fixed 192.168.0.10 and it is configurable. 4.1.2 Configuration 1.
  • Page 16 4. Click "OK"; Select the gateway and sign in; 5. Select the "Fieldbus" on the left and configure the parameters as below; 6. Click the HART channel on the left, configure the parameters as below: WWW.SSTCOMM.COM...
  • Page 17 7. Right click the channel, select “Add Node”: 8. Right click on “Node(0)”, select "Add Command" and add Command ID1 box (double click on “Command ID1” or select "Command ID1" and click "»"). Click OK. 9. Click “Command ID1” and configure the parameters as below: WWW.SSTCOMM.COM...

  • Page 18: Function Demo

    . Select the port and click Download: 4.2 Function Demo The HART interface of the GT200-HT-MT is connected with a 2-wire HART instrument with address 0. The Ethernet interface is connected to the PC. The configured Modbus Poll software can simulate as a Modbus TCP client.
  • Page 19 WWW.SSTCOMM.COM...

  • Page 20: Software Instructions

    5 Software Instructions 5.1 Software Interface Description SST-HE-CFG is the configuring software based on Windows platform, used to configure HART series gateway. Open the SST-HE-CFG and enter the main interface of software: Menu Bar Tool Bar Equipment section: You can choose the field bus or subnet, and add the nodes and Configuration section: commands.
  • Page 21 DelChannel: This function can't be used temporarily AddNode: Add a HART node (device) DelNode: Delete a HART node (device) AddCmd: Add a HART command DelCmd: Delete a HART command Upload: Upload the configuration from the GT200-HT-MT and open it in the software WWW.SSTCOMM.COM...

  • Page 22: Software Functional Specifications

    Conflict: To check whether there are some conflicts in the data buffer Export: Output the configuration and save it as an Excel form Memory: Show the data in the buffer of the GT200-HT-MT. Diagnose: Analyze operation of fieldbus devices. Debug: Send any request to Hart devices and show the response information received.

  • Page 23: Configure The Hart Fieldbus

    Assign IP Mode: Manual Assign, BOOTP, DHCP optional;  IP Address: Set the IP address of the GT200-HT-MT;  Subnet Mask: Set the subnet mask of the GT200-HT-MT;  Default Gateway: Set the gateway address of the GT200-HT-MT;  DNS1: Default 0.0.0.0;...
  • Page 24 address 0 can be connected; Select the number of the HART command retries ans the range is 0~5; Maximum repetitions:  Polling Enable: Select whether to use polling feature;  Delay between Polls: Set delay time between two commands and the range is 256~65535ms; ...
  • Page 25 When configured node numbers are more than the actual connected devices, the redundant node will lead to the longer time of polling output. It is recommended that configured node numbers should corresponds with actual devices. 5.2.2.3 Add Commands Right click on a Node and select "Add Command" in the pop-up menu Choose the command you want to add in the pop-up dialog box, and then click "OK"...
  • Page 26 Notes: The same command can only be configured once in one node. 5.2.2.4 Configure Slave Commands Click the command ID on the left, you will see the configuration plate of the command on the right: Mode of outputting command: Change-of-state, polling output, Initialization output and disable output optional; ...
  • Page 27 Change-of-state output: Execute this command once the data buffer changes  Polling output: The command is put in the polling list and executed periodically  Initialization output: Execute the command once, when power is on  Disable output: The command will not be sent. ...
  • Page 28 5.2.2.7 Advanced Options to Configure Slave Commands The GT200-HT-MT can filter the input data in advanced configuration mode. For example, users only need the main variable of No.1 HART command, and need to filter the unit of the main variable. The input data of the HART command is divided into segments that can be extracted independently.
  • Page 29 Bytes: Input bytes of "Response Data". In the above example, click on "Byte5-8" will show the information  “Primary Variable” in the left bottom area. Memory Address: Set the start address of these bytes in data buffer;  Starting address: This parameter is automatically calculated and is the relevant Modbus register address of ...

  • Page 30: Conflict Detection

    Click “Automap” after finishing advanced configuration, or assign the address manually. 5.2.3 Conflict Detection "Conflict Detection" is used to check the distribution of the input and output data of all commands stored in the data buffer. Click icon to open the conflict detection box: WWW.SSTCOMM.COM...

  • Page 31: Auto Mapping

    Green color areas are occupied addresses. When one memory address is configured with two commands or more, it will display red. When the mapping address of a command exceeds the defined range of the GT200-HT-MT, the exceeding part will display yellow.

  • Page 32: Upload Configuration

    5.2.5 Upload Configuration Select “Config” >> “ Ethernet Config” in the menu bar: The "Ethernet Configuration" box is shown as below: When ticking "Use the search function", it will search all identifiable hardware and show them in the device list: WWW.SSTCOMM.COM...
  • Page 33 Select a device and click "Sign in" to connect the device. When not ticking "Use the search function", it will only search the appointed hardware and only show this hardware in the device list. Click the upload icon again, the pop-up box is shown as below: Click "Upload data"...

  • Page 34: Download Configuration

    Now, user can upload the configuration of the GT200-HT-MT into the software and open it in the software. 5.2.6 Download Configuration After configuring the command, click button, the pop-up box is as shown below: Click "Download data". Notes: Before downloading, please confirm all configuration is correct.
  • Page 35 "Tool" >> "Select Mode" and select debug mode. You can also click to change mode. Click on the icon . Choose the required gateway in the device scanning window, as shown below: The upper table shows the memory distribution of HART input data, and the lower table shows the output data.

  • Page 36: Diagnose

    Ensure that the Bit 1 and Bit 2 of the status setting switch are OFF, then restart the gateway. The GT200-HT-MT now is in the running mode. Connect the GT200-HT-MT to computer in Ethernet interface. Open the software "SST-HE-CFG", click "Tool" >> "Select Mode" and select debug mode. You can also click to change mode.
  • Page 37 Click "Upload Data": Click "OK" to open the diagnostic box. Click "Channel 1" and the right side will display the status of the HART fieldbus. Click "Refresh" to refresh the data once. Click "Reset" to clear the system status Click " Periodically refresh" to update the data in periodically.
  • Page 38 Double click on a command and the detailed information will be show in the pop-up box. For example, double click on "CMD 0": Click "Refresh" to update the data. "Edit" in the read-only command does not work. WWW.SSTCOMM.COM...

  • Page 39: Switching Tools

    5.2.9 Switching Tools There are two practical tools in the "Tools" menu to convert hexadecimal data to 1EEE754 floats or PACKED ASCII codes. WWW.SSTCOMM.COM...

  • Page 40: Working Principle

    6 Working Principle The GT200-HT-MT has 8156 bytes of input and output buffers to exchange data. 0 ~ 4999 of the buffer is used for the HART input data and output data. 5000~8155 of the memory is used for the status of the HART channel and control variables.
  • Page 41 The area of HART input data: Stores the data that HART instruments send to gateway. All response data of  HART channel will be mapped here. The area of HART output data: Stores the data that the GT200-HT-MT sends to the HART instruments. All  HART commands will get the output data here.
  • Page 42 Universal receiving data: Stores the received data of the HART interface under the universal mode  Reset to send and receive error counter: The control signal of the GT200-HT-MT. When this value  changes, all the counters will be set to 0 Polling status: This bit is readable and writable.

  • Page 43: Flowchart Of Executing One Hart Command

    the memory address of No.2 HART channel status is: 6052+320=6372. Relevant Modbus register address is: 6372/2=3186 6.1 Flowchart of Executing One HART Command 6.2 Universal Send and Receive Data User can visit/read universal received/sent control variable in order to start the "transparent transmission" with one HART channel.

  • Page 44: Trigger Command

    Modbus to write the user trigger command number (when using SST-HE-CFG to configure commands, the software will automatically calculate and display) to the "trigger command number". Then rewriting "the trigger label" can trigger the value to change and trigger the GT200-HT-MT to finish a trigger WWW.SSTCOMM.COM...

  • Page 45: Data Exchange With Modbus Tcp

    operation. Parts of response data in the device will be stored to the buffer which is specified by this command number. 6.4 Data Exchange with Modbus TCP When fieldbus is configured as "Modbus TCP", user can exchange data, inquire about the status of gateway and manage according to the corresponding address of gateway in the internal input and output buffer;...

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