Modbus RTU to Modbus TCP Gateway

CT-GW211W-MB

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.

Technical Notes

Modbus Notes

Modbus TCP / RTU integration

Since its inception in 1979 Modbus has become a widely used communication protocol in the field of industrial automation. Originally based on serial interfaces (RS232 and RS485) Modbus RTU enjoys widespread use throughout many different industries. Since then Ethernet has become the network of choice and many industrial devices now have native Ethernet interfaces.

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 -2321 Port RS-422 / 4851 (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 PinsRx , 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 11bMax. 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 Antenna2 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

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Product Category

Industrial Serial to Ethernet

Industrial Serial to Wireless