SST Automation GT200-HT-EI User manual

HART / EtherNet/IP Gateway
GT200-HT-EI
User Manual
V 1.3
Rev B
SST Automation
Email: [e-mail]
[e-mail]
WWW.SSTAUTOMATION.COM
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User Manual
HART/EtherNet/IP Gateway
GT200-HT-EI
WWW.SSTAUTOMATION.COM
Important Information
Warning
The data and examples in this manual cannot be copied without authorization. SSTCOMM reserves the right to
upgrade the product without notifying users.
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 © 2022 by SST Automation. All rights reserved.
Trademark
is the registered trade mark of SST Automation.
Technical Support Contact Information
www.sstautomation.com
Email: [e-mail]

User Manual
HART/EtherNet/IP Gateway
GT200-HT-EI
WWW.SSTAUTOMATION.COM
Catalog
1 Product Overview ......................................................................................................................................................1
1.1 Product Function ............................................................................................................................................ 1
1.2 Product Features .............................................................................................................................................1
1.3 Technical Specifications .................................................................................................................................1
1.4 Related Products .............................................................................................................................................2
1.5 Revision History .............................................................................................................................................2
2 Hardware Descriptions .............................................................................................................................................. 2
2.1 Product Appearance ........................................................................................................................................3
2.2 LED Indicators ............................................................................................................................................... 3
2.3 Button ............................................................................................................................................................. 4
2.4 Configuration Switch ..................................................................................................................................... 4
2.5 Internal Series Resistor Switch ...................................................................................................................... 4
2.6 Interface ..........................................................................................................................................................5
2.6.1 Power Interface ................................................................................................................................... 5
2.6.2 Ethernet Interface ................................................................................................................................ 5
2.6.3 HART Interface ................................................................................................................................... 5
2.7 Topology of GT200-HT-EI and HART Instruments ......................................................................................6
3 Hardware Installation ................................................................................................................................................ 8
3.1 Machine Dimension ....................................................................................................................................... 8
3.2 Installation Method ........................................................................................................................................ 8
4 Quick Start Guide ...................................................................................................................................................... 9
4.1 Connection ......................................................................................................................................................9
4.2 Configuration ..................................................................................................................................................9
4.3 Test Communication .....................................................................................................................................13
5 Software Instructions ...............................................................................................................................................15
5.1 Software Interface Description .................................................................................................................... 15
5.2 Software Function Description .................................................................................................................... 17
5.2.1 Configure the Ethernet ...................................................................................................................... 17
5.2.2 Configure the HART Fieldbus .......................................................................................................... 18
5.2.3 Conflict Detection ............................................................................................................................. 26
5.2.4 Auto Mapping ....................................................................................................................................27
5.2.5 Upload Configuration ........................................................................................................................28
5.2.6 Download Configuration ...................................................................................................................29
5.2.7 Memory Data Display ....................................................................................................................... 29
5.2.8 Diagnose ............................................................................................................................................30
5.2.9 Debug Assistant .................................................................................................................................33
5.2.10 Slave Scan ....................................................................................................................................... 34
5.2.11 Conversion Tools .............................................................................................................................36
6 Working Principle ....................................................................................................................................................37

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6.1 Data Exchange ..............................................................................................................................................37
6.2 Flowchart of Executing One HART Command ...........................................................................................38
7 EtherNet/IP Connection Parameters ........................................................................................................................39
8 How to Read/Write I/O Data ...................................................................................................................................40
8.1 Read/Write Data by IO Messaging (Recommend) ...................................................................................... 40
8.2 Read/Write Data by MSG ............................................................................................................................ 44
8.2.1 Read Data .......................................................................................................................................... 44
8.2.2 Write Data ......................................................................................................................................... 48

User Manual
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1 Product Overview
1.1 Product Function
GT200-HT-EI is a gateway that can provide a seamless connection between HART and EtherNet/IP. It can
connect HART slave devices to an EtherNet/IP network and realize bi-directional data exchange easily. The
HART side can be configured as a primary or secondary master, and the EtherNet / IP side works as a slave.
1.2 Product Features
Easy to use: Users only need to refer to the product manual and application instances and can realize data
communication of a gateway in a short time according to the requirements of the configuration.
Powerful functionality: Support fast acquisition of the HART slave address and modification, single-point
mode of coexistence of HART communication and 4~20mA data acquisition, HART side supports the
primary master and the secondary master.
Multi debugging functions: The configuration software SST-HI-CFG can provide a visual display of data
exchange as well as HART command diagnostics and communication debugging functions that greatly
facilitates user communication tests.
1.3 Technical Specifications
[1] EtherNet/IP network is independent with HART network.
[2] Ethernet 10/100M self-adaptive.
[3] IP address conflict detection.
[4] Supports ODVA standard EtherNet/IP communication protocol.
[5] Used as a primary or a secondary HART master.
[6] Supports single-point and multi-point mode at the HART side.
[7] Under single-point mode, supports data burst operation from slave.
[8] Supports one HART-channel, under multi-point mode, supports connecting at most 13 HART slaves with

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gateway internal resistor and support connecting 15 HART slaves with an external resistor (250 Ohm).
[9] Supports all commands of the HART protocol.
[10] Each HART command can be configured for change-of-state output, polling output, initialization output or
disable output.
[11] Supports up to 127 HART commands, HART output data buffer is up to 1000 bytes, and the input data buffer
is up to 1600 bytes.
[12] Supports an internal or external HART series resistor.
[13] Max input and output bytes of EtherNet/IP:
Max input bytes: 256 bytes.
Max output bytes: 256 bytes.
[14] Power: 24VDC (11V~30V), 70mA (24VDC).
[15] Operating temperature: -40 °F~140 °F(-40 °C~60 °C). Humidity: 5%~ 95% (without condensation).
[16] Dimensions (W*H*D): 1.0 in * 4.0 in * 3.6 in (25 mm * 100 mm * 90 mm).
[17] Installation: 35mm DIN RAIL.
[18] Protection Level: IP20.
1.4 Related Products
The related products include: GT200-HT-RS, GT100-EI-RS etc.
To get more information about related products, please visit SSTCOMM website: www.sstautomation.com.
1.5 Revision History
Revision
Date
Chapter
Description
V1.0, Rev A
9/29/2017
Chapter 2
Add configuration notes into chapter 2.
Hardware and software description revised.
V1.0, Rev B
4/20/2020
Chapter 6
Part modifications for chapter 6.
V1.3
8/9/2021
ALL
New release for updated product version.
V1.3 , Rev A
8/24/2021
Chapter 2.7, 4.2
Revised some mistakes.
V1.3, Rev B
07/01/2022
Chapter 5
Add HART Common Commands (ID 1 and
ID 3) to this section

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2 Hardware Descriptions
2.1 Product Appearance
Note: The pictures are for reference only. The product appearance is subject to the actual product.
2.2 LED Indicators
Indicator
State
Description
ENS
Red off
IP address initialization is normal.
Red blinking
DHCP
SNS
Green on
EtherNet/IP connection is established.
Communication is normal.
Green blinking
EtherNet/IP connection is not established.
TX
Green blinking
HART data sending
OFF
No data sending
RX
Green blinking
HART data receiving
OFF
No data receiving
HART Interface
Ethernet Interface
Power Interface
Configuration Switch
Ethernet Indicators
HART Indicators
Resistor Switch
Button

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2.3 Button
The button is located at the top of the product and used to update the firmware.
Action
Description
Hold then power on
Bootload state to update firmware.
2.4 Configuration Switch
The configuration switches are located at the top of the product, Bit 1 is the function bit and Bit 2 is the mode bit.
Function
(Bit 1)
Mode
(Bit 2)
Mode
Description
Off
Off
Run mode
Allows configuration and communication.
On
Off
Debug mode
Allows configuration, communication and
debugging.
Off
On
Configuration mode
IP address is fixed at 192.168.0.11. Allows
configuration. Prohibits communication.
On
On
Run mode
Allows communication. Prohibits
configuration and debugging.
Note: To apply mode switching, please restart the gateway.
2.5 Internal Series Resistor Switch
The GT200-HT-EI has an internal series resistor (270 Ohm /2 W) required for the HART channel, this allows 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 (250 Ohm /3 W), allowing the gateway to be connected to up to 15 HART instruments.
Switch to ON, using the internal series resistor
Switch to OFF, using the external series resistor
Off
On 1 2

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2.6 Interface
2.6.1 Power Interface
1
2
3
GND
NC
24V+
2.6.2 Ethernet Interface
The Ethernet interface is a RJ-45 connector, 10/100M adaptive.
2.6.3 HART Interface
1
2
3
HART LOOP+
HART LOOP-
NC
Pin
Description
1
Power GND
2
NC (Not Connected)
3
24V+, DC
Pin
Description
S1
TXD+, Transmit Data+, Output
S2
TXD-, Transmit Data-, Output
S3
RXD+, Receive Data+, Input
S4
Bi-directional Data+
S5
Bi-directional Data-
S6
RXD-, Receive Data-, Input
S7
Bi-directional Data+
S8
Bi-directional Data-
Pin
Description
1
Connected to HART signal +
2
Connected to HART signal -
3
NC (Not connected)

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2.7 Topology of GT200-HT-EI and HART Instruments
Notes:
1. It is recommended to use the separate power supply for the HART instruments and the GT200-HT-EI, to
ensure stable communication.
2. To improve the communication efficiency of the field bus, it is recommended not to configure the empty
node in SST-HI-CFG software or useless commands.
3. If there are two or more HART instruments connected in the same network, their HART LOOP wires should
be connected parallel with others.

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3 Hardware Installation
3.1 Machine Dimension
Size (width * height * depth):
1.6 in * 5.0 in * 4.4 in / 40mm * 125mm * 110mm
3.2 Installation Method
Using 35mm DIN RAIL.

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4 Quick Start Guide
4.1 Connection
1. Make sure the GT200-HT-EI is in the appropriate operating mode that allows for configuration. It is
recommended to set the gateway to configuration mode (configuration switches Bit 1 OFF and Bit 2 ON)
then the IP of the gateway will be fixed at 192.168.0.10.
2. Connect the GT200-HT-EI to the computer by Ethernet cable.
3. Connect the HART instruments and the power supply. Refer to the topology displayed on chapter 2.7.
4. Power on the gateway and run the SST-HI-CFG software to start the configuration process.
4.2 Configuration
The following steps give an example configuration process, but tailor your configuration to your project needs.
The GT200-HT-EI is connected with a HART instrument which supports HART protocol V5 in Multi-drop mode,
configured with the HART commands 01, 03 and 06.
For more details of the software SST-HI-CFG, please refer to chapter 5.
1. Run the SST-HI-CFG software installed on the computer. Click “Upload” on the toolbar and scan available
gateways in the network. Select the gateway and click “Sign In” to upload the configuration.
Note: Make sure that the GT200-HT-EI and your computer are in the same network segment.

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If you can’t discover any gateways, please test the network connection first. Please refer to the note “How to
Use the Ping Command” located on our Support page on the sstautomation.com website
The first time the GT200-HT-EI is used, the uploaded configuration will be a default configuration created by
SST Automation. You can change the parameters based on the default configuration or create a new project.
The following steps introduce how to configure for a new project.
2. Select “Ethernet” on the left, and set the Ethernet parameters.
3. Select “HartChannel0” on the left and set the HART channel parameters. As shown below, the GT200-HT-EI
is configured as the secondary master and using the point-to-point mode.
4. Add a node (chapter 5.2.2.2). In point-to-point mode, the address of the HART instrument is fixed at 0.

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5. Add HART commands (chapter 5.2.2.3).
6. Configure the commands (chapter 5.2.2.4,5.2.2.7). According to HART universal command specifications,
the command 00 has no request with 12-byte response, the command 03 has no request with 24-byte
response, and the command 06 has 2-byte request with 2-byte response. The request data of the
GT200-HT-EI includes an extra 2-byte status, so the receiving data length is 2-bytes more than the actual
response.
After inputting the sending and receiving data length, click “AutoMap” on the toolbar to automatically map
the data to the EtherNet/IP side (chapter 5.2.4). You can also map the data manually.
The configuration of the HART commands are shown below:

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7. Check the mapping address in the Conflict Detection window (chapter 5.2.3).
8. Download the configuration. Click “Download” on the toolbar, select the gateway you want to download to
and click “Sign In”.
Note: The GT200-HT-EI will apply the new configuration after gateway restart. After downloading, the
software will ask to restart the GT200-HT-EI. You can also power off then power on the GT200-HT-EI to
restart the gateway.
9. Test the communication.

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4.3 Test Communication
In this example, the EIPScan Test Tool is used to simulate the EtherNet/IP scanner. The configuration is the same
with that in chapter 4.2. The SST-HI-CFG software provides debug and monitor tools (chapter5.2.7,5.2.8,5.2.9).
For more EtherNet/IP connection details, refer to chapter 7 and chapter 8.
1. Set the configuration switch to Bit 1 ON and Bit 2 OFF (debug mode). Restart the GT200-HT-EI to apply the
mode switching.
2. Click “Diagnose” on the toolbar and upload the configuration. Check the request and response status in the
diagnose window.
Select a node and double click on a command to check the data. For example, double click on HART
command 03:

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3. After confirming the data in diagnose window, click “Memory” on the toolbar and sign in the GT200-HT-EI.
Check the data bytes and mapping address.
The input data in the Memory data window corresponds to the input at EtherNet/IP side. The output data
corresponds to the output at EtherNet/IP side.
Note: The first 4 bytes in the EtherNet/IP input area is the gateway status.

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5 Software Instructions
5.1 Software Interface Description
SST-HI-CFG is a configuration software based on the Windows platform, and is used to configure HART series
products.
The following describes how to use the software SST-HI-CFG to configure the product GT200-HT-EI. You may
also check the software user manual to get detailed usage.
Run the software and enter the main interface of software:
Tool Bar:
Toolbar interface shown as follow:
The function from left to right is: New, Save, Open, AddNode, DelNode, AddCmd, DelCmd, Upload, Download,
AutoMap, Conflict, Export, Memory, Diagnose, Debug and Slave Scan.
Network Settings interface
Menu Bar
Tool Bar
Title Bar
Parameter Settings interface
Comment field: Explain the function of
the configuration options

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New: Create a new configuration file.
Save:Save the configuration file.
Open: Open the configuration file.
AddNode: Add a HART slave node.
DelNode: Delete a HART slave node.
AddCmd: Add a HART command.
DelCmd: Delete a HART command.
Upload: Read the configuration information from the module and show in the software.
Download: Download the configuration file to the gateway.
AutoMap: Used to automatically calculate the mapped memory address without conflict by each
command.
Conflict: To check whether there are some conflicts with the configured commands in the gateway
memory data buffer.
Export: Output current configuration to the local hard disk and save as an Excel spreadsheet form.
Memory: Show the data exchange inside of the gateway.