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Introduction to Modbus to Ethernet Device
Servers and Modbus TCP to RTU Gateways
ICP DAS USA, Inc.
Sales@icpdas-usa.com
1-...
ICP DAS tDS-700 Serial to Ethernet Device Servers
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15...
tDS-700 Serial to Ethernet Device Servers
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
The ...
ICP DAS tGW-700 Modbus TCP to RTU/ASCII Device
Servers
Making Data Acquisition Easy
The tGW-700 series are Modbus TCP to R...
tGW-700 Modbus TCP to RTU/ASCII Device Servers
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15...
Features Comparison
6
Features Series PPDS PDS DS tDS tGW
Virtual COM Yes Yes Yes Yes -
Programmable Yes Yes - - -
PoE Yes...
7
Specifications Comparison
I-7188EN PDS-700 tDS-700 tGW-700
OS MiniOS7 MiniOS7 ---
CPU 80188-40 MHz 80186-80 MHz 32-bit M...
8
• tDS/tGW-700 Common Features
• Tiny Device Server
– tDS-700: Tiny Device Servers
• Tiny Modbus Gateway
– tGW-700: Tiny ...
tDS/tGW-700 Common Features
• Contains a 32-bit MCU that efficiently handles network traffic
• 10/100 Base-TX Ethernet, RJ...
Redundant Power Inputs
• PoE ◆ DC
Jack
• (IEEE 802.3af, Class 1) (+12
~ 48 VDC )
Making Data Acquisition Easy
Modbus Devic...
Automatic MDI / MDI-X crossover
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
12
tDS-700 / tGW-700 Naming Conventions
tDS-7 X Y
tGW-7 X Y
X: Number of Total Ports
Y: Serial Ports Type
2: RS-232
4: RS-...
13
tDS-700 (tGW-700) Selection Guide
tDS-712
tGW-712
tDS-722
tGW-722
tDS-732
tGW-732
tDS-715
tGW-715
tDS-725
tGW-725
tDS-7...
UDP Search
• Use "eSearch Utility“ or “VxComm Utility”,
you can find the module quickly and
configure the proper network s...
Init Switch
Mode Flash Protection Firmware Update Configuration
Initial No Yes Factory
Run Yes No User-Defined
If there ar...
16
Firmware Update (1/2)
• Connect the tGW-700 to the same HUB or same sub-network as your PC. (For tDS-700,
tGW-700, PETL...
Firmware Update (2/2)
• The tGW-700 has a built-in feature of flash protection
that prohibits modification to the firmware...
tDS-700 Features
• Incorporates any RS-232/422/485 serial device in Ethernet
• Supports pair-connection (serial-bridge, se...
Virtual COM Basis
Meter
PLC10/100 M
Ethernet
RS-485
VCOM6/7 VCOM6/7
Transparent
tDS-725
Command/Data/Modbus/Anything Comma...
Virtual COM Application
RFID Reader
Meter
NS-208PSE
Ethernet Switch with PoE
Meter
PLC
10/100 M
Ethernet
RS-232
RS-485
RS-...
Direct TCP Socket Connection
Meter
PLC10/100 M
Ethernet
RS-485
tDS-725
Send raw data via TCP socket. Raw data
Note:
1. The...
Serial Port Pair-connection Basis
PLC 2
uses 115200 bps
tDS-715
uses 115200 bps
tDS-715
uses 115200 bps
Serial Port Pair-c...
Pair-connection with Different Baud Rate
PLC 2 uses
115200 bps
tDS-715 uses
115200 bps
tDS-725 uses
9600 bps
Serial Port P...
Virtual RS-485 Network (base on pair-connection)
PLC
Meter
RS-485
tDS-715
tDS-725
tDS-725
Meter
tDS-725
tDS-735
RS-485
Ser...
25
tDS-700 Web Configuration : Login
Default Settings:
Item Factory Default Settings
IP 192.168.255.1
Gateway 192.168.0.1
...
26
tDS-700 Web Configuration : Home Page
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
27
tDS-700 Web Configuration : Network Setting
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
28
tDS-700 Web Configuration : Port Setting
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
tDS-700 Web Configuration : IP Filter
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
30
• tDS/tGW-700 Common Features
• Tiny Device Server
– tDS-700: Tiny Device Servers
• Tiny Modbus Gateway
– tGW-700: Tiny...
tGW-700 Features
• Cost-effective Modbus/TCP to RTU/ASCII Gateway
• Supports Modbus/TCP master and slave
• Supports Modbus...
Modbus Gateway Basis
Meter
PLC10/100 M
Ethernet
RS-485
tGW-725
Modbus/TCP
Modbus RTU
or
Modbus ASCII
Note:
1. The tGW-700 ...
Modbus Gateway Application
RFID Reader
Meter
NS-208PSE
Ethernet Switch with PoE
Meter
PLC
Meter
PLC
10/100 M
Ethernet
RS-2...
Serial Port Pair-connection Basis
PLC 2
uses 115200 bps
and Modbus RTU
tGW-715
uses 115200 bps
and Modbus RTU
tGW-715
uses...
Pair-connection with Different Protocols
PLC 2 uses
115200 bps and
Modbus ASCIItGW-715 uses
115200 bps and Modbus ASCII
tG...
Virtual RS-485 Network (base on pair-connection)
PLC
Meter
RS-485
tGW-715 with Modbus ASCII
tGW-725
With Modbus RTU
tGW-72...
tGW-700 Web Configuration : Network Setting
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
tGW-700 Web Configuration : Port Setting
38
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
Application : Pair Connection
Making Data Acquisition Easy
Modbus Device Servers | Maria Lemone | 5/15/15
Making Data Acquisition Easy
ICP DAS USA
• ICP DAS was established in 1993
• Headquartered in Hsinchu, Taiwan
• ICP DAS US...
Demo & Contact Information
Making Data Acquisition Easy
• Contact us:
Tel: (310) 517-9888 x105 (888) 971-9888
Website: www...
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Introduction to Modbus to Ethernet Device Servers and Modbus TCP to RTU Gateways

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The ICP DAS USA tGW-700 series are Modbus TCP to RTU/ASCII Device Servers that enable a Modbus/TCP host to communicate with serial Modbus RTU/ASCII devices through Ethernet networks. They eliminates the cable length limitation of legacy serial communication devices. The tGW-7000 serial device servers can be used to create a pair-connection application (as well as a serial-bridge or serial-tunnel application), and can then route data over TCP/IP between two serial Modbus RTU/ASCII devices; which is useful when connecting to mainframe computers, servers or other serial devices that use Modbus RTU/ASCII protocols and do not themselves have Ethernet capability. Learn more: http://www.icpdas-usa.com/tgw_700_modbus_tcp_to_rtu_ascii_device_servers.html?r=slideshare

The TDS-700 series are Serial-to-Ethernet Device Servers that add Ethernet and Internet connectivity to any RS-232 and RS-422/485 device. Virtual COM ports are set up with he VxComm Driver/Utility so the built-in COM port of the TDS-700 series can be virtualized to a standard PC COM port in Windows. The TDS-700 device servers can be used to create a pair-connection application (as well as a serial-bridge or serial-tunnel), and then route data over TCP/IP between two serial devices. It's useful when connecting to mainframe computers, servers or other serial devices that do not themselves have Ethernet capability. Learn more: http://www.icpdas-usa.com/tds_700_serial_to_ethernet_device_servers.html?r=slideshare

Publié dans : Technologie
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Introduction to Modbus to Ethernet Device Servers and Modbus TCP to RTU Gateways

  1. 1. Introduction to Modbus to Ethernet Device Servers and Modbus TCP to RTU Gateways ICP DAS USA, Inc. Sales@icpdas-usa.com 1-310-517-9888 1-888-871-9888 www.icpdas-usa.com Making Data Acquisition Easy Earthquake Early Warning Technology| Maria Lemone | 5/15/15
  2. 2. ICP DAS tDS-700 Serial to Ethernet Device Servers Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15 The TDS-700 series are Serial-to-Ethernet Device Servers that add Ethernet and Internet connectivity to any RS-232 and RS-422/485 device. Virtual COM ports are set up with he VxComm Driver/Utility so the built-in COM port of the TDS-700 series can be virtualized to a standard PC COM port in Windows. The TDS-700 device servers can be used to create a pair-connection application (as well as a serial-bridge or serial-tunnel), and then route data over TCP/IP between two serial devices. It's useful when connecting to mainframe computers, servers or other serial devices that do not themselves have Ethernet capability. Learn More..
  3. 3. tDS-700 Serial to Ethernet Device Servers Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15 The tDS-715 is a Serial-to-Ethernet device server designed to add Ethernet and Internet connectivity capabilities to any RS-485/RS-422 devices, and to eliminate cable length limitation of traditional serial communication. By using the VxComm Driver/Utility, the built-in COM port of the tDS-715 RS-485/RS-422 to Ethernet device server can be virtualized to a standard PC COM port in Windows. Therefore, users can access or monitor serial devices over Internet/Ethernet without software modification. • Enable any RS-485/RS-422 serial devices with Ethernet capabilities • VxComm Driver for 32-bit and 64-bit Windows XP/2003/2008/Vista/7 • Supports pair-connection (serial-bridge, serial-tunnel) application • Powerful 32-bit MCU handles efficient network trafficking Click here to learn more…
  4. 4. ICP DAS tGW-700 Modbus TCP to RTU/ASCII Device Servers Making Data Acquisition Easy The tGW-700 series are Modbus TCP to RTU/ASCII Device Servers that enable a Modbus/TCP host to communicate with serial Modbus RTU/ASCII devices through Ethernet networks. They eliminates the cable length limitation of legacy serial communication devices. The tGW-7000 serial device servers can be used to create a pair- connection application (as well as a serial-bridge or serial-tunnel application), and can then route data over TCP/IP between two serial Modbus RTU/ASCII devices; which is useful when connecting to mainframe computers, servers or other serial devices that use Modbus RTU/ASCII protocols and do not themselves have Ethernet capability. Learn More.. Modbus Device Servers | Maria Lemone | 5/15/15
  5. 5. tGW-700 Modbus TCP to RTU/ASCII Device Servers Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15 The tGW-715 is a Modbus TCP to RTU/ASCII gateway that enables a Modbus/TCP host to communicate with serial Modbus RTU/ASCII devices through an Ethernet network, and eliminates the cable length limitation of legacy serial communication devices. The module can be used to create a pair-connection application (as well as serial-bridge or serial-tunnel application), and can then route data over TCP/IP between two serial Modbus RTU/ASCII devices, which is useful when connecting mainframe computers, servers or other serial devices that use Modbus RTU/ASCII protocols and do not themselves have Ethernet capability. • Cost-effective Modbus/TCP to RTU/ASCII Gateway • Supports Modbus/TCP master and slave • Supports Modbus RTU/ASCII master and slave • Contains a 32-bit MCU that efficiently handles network traffic • 10/100 Base-TX Ethernet, RJ-45 x 1 • Supports TCP, UDP, HTTP, DHCP, BOOTP and TFTP protocols Click here to learn more…
  6. 6. Features Comparison 6 Features Series PPDS PDS DS tDS tGW Virtual COM Yes Yes Yes Yes - Programmable Yes Yes - - - PoE Yes - - Yes Yes Modbus Gateway Yes - - - Yes Multi-client Yes Yes Yes - - Remarks Isolation for DS-715 Cost- effective Cost- effective Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  7. 7. 7 Specifications Comparison I-7188EN PDS-700 tDS-700 tGW-700 OS MiniOS7 MiniOS7 --- CPU 80188-40 MHz 80186-80 MHz 32-bit MCU 50MHz Ethernet 10 Mbps 10/100 Mbps 10/100 Mbps EEPROM 2 KB 16 KB --- Frame Ground --- Yes Yes Total Models 8 10+ 7+ Models with DI/DO 2 5 0 Virtual COM Yes Yes Yes --- Virtual I/O --- Yes --- Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  8. 8. 8 • tDS/tGW-700 Common Features • Tiny Device Server – tDS-700: Tiny Device Servers • Tiny Modbus Gateway – tGW-700: Tiny Modbus Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15 Learn more… Learn more…
  9. 9. tDS/tGW-700 Common Features • Contains a 32-bit MCU that efficiently handles network traffic • 10/100 Base-TX Ethernet, RJ-45 x1 (Auto-negotiating, auto MDI/MDIX, LED Indicators) • Includes redundant power inputs: PoE and DC jack • Supports TCP, UDP, HTTP, DHCP, BOOTP and TFTP protocols • Supports UDP responder for device discovery • Allows automatically RS-485 direction control • Supports pair-connection applications • Allows easy firmware updates via the Ethernet • Contains a tiny Web server for configuration • Tiny form-factor and low power consumption • RoHS compliant and no Halogen • Made from fire retardant materials (UL94-V0 Level) Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  10. 10. Redundant Power Inputs • PoE ◆ DC Jack • (IEEE 802.3af, Class 1) (+12 ~ 48 VDC ) Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  11. 11. Automatic MDI / MDI-X crossover Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  12. 12. 12 tDS-700 / tGW-700 Naming Conventions tDS-7 X Y tGW-7 X Y X: Number of Total Ports Y: Serial Ports Type 2: RS-232 4: RS-485 and RS-232 5: RS-422 / RS-485 8: RS-232 / 422 / 485 Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  13. 13. 13 tDS-700 (tGW-700) Selection Guide tDS-712 tGW-712 tDS-722 tGW-722 tDS-732 tGW-732 tDS-715 tGW-715 tDS-725 tGW-725 tDS-735 tGW-735 tDS-718 tGW-718 COM 1 5-wire RS-232 5-wire RS-232 3-wire RS-232 2-wire RS-485 4-wire RS-422 2-wire RS-485 2-wire RS-485 3-wire RS-232 2-wire RS-485 4-wire RS-422 COM 2 5-wire RS-232 3-wire RS-232 2-wire RS-485 2-wire RS-485 COM 3 3-wire RS-232 2-wire RS-485 We are planning to have two new models as follows: tDS-724 (tGW-724) : RS-485 x1, RS-232 x1 (5-wire) tDS-734 (tGW-734) : RS-485 x1, RS-232 x2 (3-wire) Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  14. 14. UDP Search • Use "eSearch Utility“ or “VxComm Utility”, you can find the module quickly and configure the proper network settings. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  15. 15. Init Switch Mode Flash Protection Firmware Update Configuration Initial No Yes Factory Run Yes No User-Defined If there are something wrong in network settings or other settings accidentally, you can make the switch is placed in the “Init mode”. After re-booting, all values can be restored to factory settings. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  16. 16. 16 Firmware Update (1/2) • Connect the tGW-700 to the same HUB or same sub-network as your PC. (For tDS-700, tGW-700, PETL-7000 and tPET Series) • Right-click above the module name and choose the firmware file in “eSearch Utility”. • Power-on reboot the module in initial mode to request the update. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  17. 17. Firmware Update (2/2) • The tGW-700 has a built-in feature of flash protection that prohibits modification to the firmware in the flash. Before updating the firmware, we have to set “Init Switch” in “Init” state and then power-on reboot the tGW-700 and disable the flash protection. Since the flash becomes writable, we can update the firmware through the Ethernet network 。 • The code (in the boot loader) used to update the firmware image is not part of the firmware it-self. Thus, users can update the firmware even the built-in one is broken or does not exist. If the firmware update fails, we just need to rerun the update procedures again. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  18. 18. tDS-700 Features • Incorporates any RS-232/422/485 serial device in Ethernet • Supports pair-connection (serial-bridge, serial-tunnel) applications • Male DB-9 or terminal block connector for easy wiring • Allows easy firmware updates via the Ethernet • Contains a tiny Web server for configuration • Cost-effective Device Servers 18 Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15 Click here to learn more..
  19. 19. Virtual COM Basis Meter PLC10/100 M Ethernet RS-485 VCOM6/7 VCOM6/7 Transparent tDS-725 Command/Data/Modbus/Anything Command/Data/Modbus/Anything Note: 1. In the virtual COM application, the command or data is being copied between the PC and tDS-700 module with no protocol convert. This allows most of the serial protocols can be used with the virtual COM. Transparent (with no protocol convert) Meter PLC RS-485 Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  20. 20. Virtual COM Application RFID Reader Meter NS-208PSE Ethernet Switch with PoE Meter PLC 10/100 M Ethernet RS-232 RS-485 RS-485 RS-485 VCOM5 VCOM6 VCOM7 VCOM8 … VCOM5 VCOM6 VCOM7 VCOM8 tDS-712 tDS-715 tDS-725 VxComm Driver PLC Note: 1. The max. COM port number in a PC is up to COM256. 2. The COM port is configured and mapped by using the VxComm Utility. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  21. 21. Direct TCP Socket Connection Meter PLC10/100 M Ethernet RS-485 tDS-725 Send raw data via TCP socket. Raw data Note: 1. The serial ports of the tDS-700 can be also accessed via TCP socket connections. TCP port 10001 = COM1, TCP port 10002 = COM2, TCP port 10003 = COM3. 2. Users have to configure the baud rate and data format via web configuration first, else the serial ports may send garbage data. Transparent (with no protocol convert) Meter PLC RS-485 Port 10001 (COM1) Port 10002 (COM2) Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  22. 22. Serial Port Pair-connection Basis PLC 2 uses 115200 bps tDS-715 uses 115200 bps tDS-715 uses 115200 bps Serial Port Pair-connection Through the Ethernet Port 1(RS-485) PLC 1 uses 115200 bps Port 1(RS-485) Note: 1. PLC 1 and PLC 2 can communicate with each other via the RS-485 port that has pair-connection link through the Ethernet. Virtual RS-485 bus through the pair-connection. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  23. 23. Pair-connection with Different Baud Rate PLC 2 uses 115200 bps tDS-715 uses 115200 bps tDS-725 uses 9600 bps Serial Port Pair-connection Through the Ethernet Port 1(RS-485) PLC 1 uses 9600 bps Port 1(RS-485) Note: 1. PLC 1 and PLC 2 can use different baud rate and different data format at the same time when using pair-connection. But please make sure that the tDS-700 has the same setting as local serial devices. 2. The pair-connection can be created by using same or different tDS-700 models. The pair-connection is working as port-to-port. Virtual RS-485 bus through the pair-connection. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  24. 24. Virtual RS-485 Network (base on pair-connection) PLC Meter RS-485 tDS-715 tDS-725 tDS-725 Meter tDS-725 tDS-735 RS-485 Serial Port Pair-connection Through the Ethernet Serial Port Pair-connection Through the Ethernet Port 1 Port 2 Port 1 Port 2 (RS-485) Port 1(RS-485) Port 1 Port 1 (RS-485) Port 2 Port 2 (RS-485) Serial Port Pair-connection Through the Ethernet PLC Note: When connecting several tDS-700 (RS-485 master) in RS-485 network, you should remove the pull-high/low resister in most of the tDS-700 modules, and make sure there is only one master in the RS-485 network. Port 3 Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  25. 25. 25 tDS-700 Web Configuration : Login Default Settings: Item Factory Default Settings IP 192.168.255.1 Gateway 192.168.0.1 Mask 255.255.0.0 Password Admin Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  26. 26. 26 tDS-700 Web Configuration : Home Page Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  27. 27. 27 tDS-700 Web Configuration : Network Setting Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  28. 28. 28 tDS-700 Web Configuration : Port Setting Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  29. 29. tDS-700 Web Configuration : IP Filter Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  30. 30. 30 • tDS/tGW-700 Common Features • Tiny Device Server – tDS-700: Tiny Device Servers • Tiny Modbus Gateway – tGW-700: Tiny Modbus Gateway Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  31. 31. tGW-700 Features • Cost-effective Modbus/TCP to RTU/ASCII Gateway • Supports Modbus/TCP master and slave • Supports Modbus RTU/ASCII master and slave • Supports pair-connection (serial-bridge, serial-tunnel) applications • Tiny form-factor and low power consumption Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15 Learn More…
  32. 32. Modbus Gateway Basis Meter PLC10/100 M Ethernet RS-485 tGW-725 Modbus/TCP Modbus RTU or Modbus ASCII Note: 1. The tGW-700 act as Modbus/TCP to Modbus RTU/ASCII converter. The client program must use Modbus/TCP protocol. 2. The Modbus RTU or ASCII protocol, baud rate and data format used are depending on the serial devices, and are setting via web configuration. Port 502 (COM1) Meter PLC RS-485 Port 503 (COM2) Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  33. 33. Modbus Gateway Application RFID Reader Meter NS-208PSE Ethernet Switch with PoE Meter PLC Meter PLC 10/100 M Ethernet RS-232 RS-485 RS-485 RS-485 Port 502 Port 502 Port 502 Port 503 tGW-712 with Modbus RTU tGW-715 with Modbus ASCII tGW-725 PLC Modbus/TCP Modbus RTU or ASCII Note: 1. The default TCP ports used in tGW-700 are 502 (COM1), 503 (COM2) and 504 (COM3). These TCP ports can be changed via the web configuration. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  34. 34. Serial Port Pair-connection Basis PLC 2 uses 115200 bps and Modbus RTU tGW-715 uses 115200 bps and Modbus RTU tGW-715 uses 115200 bps and Modbus RTU Serial Port Pair-connection Through the Ethernet Port 1(RS-485) PLC 1 uses 115200 bps and Modbus RTU Port 1(RS-485) Note: 1. PLC 1 and PLC 2 can communicate with each other via the RS-485 port that has pair-connection link through the Ethernet. Virtual RS-485 bus through the pair-connection. Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  35. 35. Pair-connection with Different Protocols PLC 2 uses 115200 bps and Modbus ASCIItGW-715 uses 115200 bps and Modbus ASCII tGW-715 uses 9600 bps and Modbus RTU Serial Port Pair-connection Through the Ethernet Port 1(RS-485) PLC 1 uses 9600 bps and Modbus RTU Port 1(RS-485) Note: 1. PLC 1 and PLC 2 can use different protocol (RTU or ASCII), baud rate and data format at the same time when using pair-connection. But please make sure that the tGW-700 has the same setting as local serial devices. 2. The pair-connection can be created by using same or different tGW-700 models. The pair-connection is working as port-to-port. Virtual RS-485 bus through the pair-connection (with Modbus RTU to ASCII converter ). Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  36. 36. Virtual RS-485 Network (base on pair-connection) PLC Meter RS-485 tGW-715 with Modbus ASCII tGW-725 With Modbus RTU tGW-725 Meter tGW-725 tGW-735 RS-485 with Modbus RTU/ASCII (Single Protocol) Serial Port Pair-connection Through the Ethernet Serial Port Pair-connection Through the Ethernet Port 1 Port 2 Port 1 Port 2 (RS-485) Port 1(RS-485) Port 1 Port 1 (RS-485) Port 2 Port 2 (RS-485) Serial Port Pair-connection Through the Ethernet PLC Note: When connecting several tGW-700 (RS-485 master) in RS-485 network, you should remove the pull-high/low resister in most of the tGW-700 modules, and make sure there is only one master in the RS-485 network. Port 3 Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  37. 37. tGW-700 Web Configuration : Network Setting Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  38. 38. tGW-700 Web Configuration : Port Setting 38 Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  39. 39. Application : Pair Connection Making Data Acquisition Easy Modbus Device Servers | Maria Lemone | 5/15/15
  40. 40. Making Data Acquisition Easy ICP DAS USA • ICP DAS was established in 1993 • Headquartered in Hsinchu, Taiwan • ICP DAS USA was launched in 2001 • Making Data Acquisition Easy ICP DAS USA Earthquake Early Warning Technology| Maria Lemone | 5/15/15 Click here to learn more…
  41. 41. Demo & Contact Information Making Data Acquisition Easy • Contact us: Tel: (310) 517-9888 x105 (888) 971-9888 Website: www.icpdas-usa.com Email: mariaL@icpdas-usa.com Follow ICP DAS USA On: Earthquake Early Warning Technology| Maria Lemone | 5/15/15

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