Modbus RTU to Modbus TCP Gateway

CT-GW211W-MB

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  • TCP to RTU - 8 simultaneous TCP Masters
  • RTU to TCP - 8 TCP Slaves per port
  • Software support : TCP to RTU Slaves, RTU to TCP Slaves TCP to ASCII Slaves, ASCII to TCP Slaves
  • Supports 802.11b/g/n and Ethernet, 2 IPs
  • Web browser configuration
  • Watch Dog Function

Overview

Easy to deploy device to send Modbus serial data communications over a packet network such as Ethernet or TCP/IP on a hard-wired network or via WiFi.  Works with standard Modbus Slave devices, such as PLCs, IoT Sensors, Energy meters (AMRs), Solar Inverters, Wind Turbines, IO Modules, Flow Meters and more. Built for use in light industrial environments and features a compact wall-mount design. Operates from 9-32VDC power supply voltages with terminal block connectors and each Modbus Gateway is easily configure through its web GUI interface.

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Example Modbus to TCP translation

 

 

 

 

 

Specifications

Item Description
Ethernet port

Port Type  RJ-45 Connector
Speed 
10/100 M bps (Auto Detecting)
Protocol 
ARP, IP, ICMP, UDP, TCP, HTTP, DHCP, DNS, NTP
Mode 
Modbus TCP
Setup 
HTTP Browser Setup (IE, Chrome, Firefox)
Security
Setup  Password
Protection
  Built-in 1.5KV Magnetic Isolation

Serial Ports *2

Port  R S -232*1
Port 
RS-422 / 485*1 (Surge Protect)
Speed 
300 bps ~ 921.6 K bps
Parity
  None, Odd, Even
Data Bit 
5, 6, 7, 8
Stop Bit 
1, 2
RS -232   Pins
Rx , Tx , GND
RS-422  
Rx+, Rx-, Tx+, Tx- (Surge Protect)
RS-485 
Data+, Data- (Surge Protect)
15KV ESD for all signals

WiFi Interface

Standard  8 02.11b/g /n
Data Rate
  11/54/72.2 Mbps @ 20Mhz Band Width
Modulation
  DSSS; OFDM
Frequency
  2.4GHzTx
Power   11b
Max. 22dBm
Tx Power 11g/n
  M a x . 19 d B m
Rx Sensitivity  -76dBm@54Mbps; -89.5dBm@11Mbps
Tx Rate
  Max. 54Mbps with auto fallback
Tx Distance
  Up to 100 Metres
Security 
WEP 64-bit / 128-bit data encryption, W PA / W PA 2
Antenna
2   dBi ; RP-SMA connector
Network Mode 
Infrastructure; Soft AP (for Setup)

Indicators

SYS, WiFi, RX, TX, LAN

Power

DC 9~32V, 2W  DC Jack & Terminal Input

MTBF

60,000 hours (MIL-HDBK-217)

Dimensions

110 x 90 x 26 mm (W x D x H)

Weight

110 g

Temperature

Operating   -20°C ~ 70°C
Storage        -25°C ~ 80°C

Ordering Information

Order Code Description
CT-GW211W-MB RS232/RS422/485 Modbus RTU to Modbus TCP Wireless Gateway with Power Adapter

More Information