Tiny Modbus TCP to RTU/ASCII Gateway


Tiny Modbus TCP to RTU/ASCII Gateway

  Price:  $269.00  


GW-2200i module features a powerful 32-bit MCU to enable efficient handling of network traffic, and also has a built-in web server that provides an intuitive web management interface that allows users to modify the configuration of the module, including the DHCP/Static IP, the gateway/mask settings and the serial port settings.


  • Supports Modbus TCP/UDP master and slave
  • Supports Modbus RTU/ASCII master and slave
  • Max. TCP masters per serial port: 32 (RevB)
  • Read-cache ensures faster Modbus TCP/UDP response
  • Supports UDP responder for device discovery (UDP Search)
  • Static IP or DHCP network confi guration
  • Easy fi rmware update via the Ethernet (BOOTP, TFTP)
  • Tiny Web server for serial and network confi guration (HTTP)
  • Redundant power inputs: PoE and DC jack
  • tGW-700: 10/100 Base-TX Ethernet, RJ-45 × 1
  • GW-2200i: 2-port Ethernet Switch (LAN Bypass for Daisy- Chain Wiring
  • Allows automatic RS-485 direction control
  • 2500 VDC isolation and +/-4 kV ESD protection for i versions
  • Male DB-9 or terminal block connector for easy wiring
  • Tiny form-factor and low power consumption
  • RoHS compliant & no Halogen


  • Factory Automation
  • Home Automation
  • Building Automation
  • Remote Diagnosis and Management

Reference & Support


CPU 32-bit MCU
Communication Interface
Ethernet 700 Series: 10/100 Base-TX, 8-pin RJ-45 x 1, (Auto-negotiating, Auto-MDI/MDIX, LED indicator)
2200i Series: 2-Port 10/100 Base-TX Ethernet Switch with LAN Bypass, RJ-45 x 2 (Auto-negotiating, Auto-MDI/MDIX, LED indicator)
PoE IEEE 802.3af, Class 1
COM Port 700 Series: 2 x RS-485
2200i Series: 2 x RS-422/RS-485
Self-Tuner Yes, automatic RS-485 direction control
Isolation 3000 VDC (Signal isolation for i version)
ESD Protection +/-4 kV
COM Port Capability (16C550 or compatible UART)
Baud Rate 115200 bps Max.
Data Bit 5, 6, 7, 8
Parity None, Odd, Even, Mark, Space
Stop Bit 1, 2
Power Input IEEE 802.3af, Class 1 for PoE; +12 ~ 48 VDC for DC Jack
Power Consumption 0.07 A @ 24 VDC
Connector 700 Series: 10-pin Removable Terminal Block x 1
2200i Series: 5-pin Removable Terminal Block x 1 for 2212i/2215i; x 2 for 2222i/2225i; x 3 for 2232i/2235i
Dimensions (mm) 700 Series: 52 mm x 95 mm x 27 mm (tDS/tGW-712: 52 mm x 90 mm x 27 mm) (tDSM-712: 75 mm x 83 mm x 24 mm)
2200i Series: 90mm x 110mm x 33mm (without connectors)
Installation DIN-Rail mounting
Case Plastic
Operating Temperature -25°C ~ +75°C
Storage Temperature -30°C ~ +80°C
Humidity 10 ~ 90% RH, Non-condensing

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