SIXNET ET-GT-485-1 Industrial Ethernet to Serial RS-485 Modbus Gateway

Overview

The SIXNET ET-GT-485-1 is an industrial Ethernet to serial gateway designed to seamlessly integrate Modbus, Sixnet, or other serial devices into an Ethernet network. This gateway acts as a bridge, providing Ethernet connectivity to existing serial-based systems without the need to replace hardware. It supports Modbus RTU protocol and operates reliably in harsh industrial environments, making it an ideal solution for integrating legacy systems into modern Ethernet-based networks.

Technical Specifications

Ports

1 x RJ45 port (10/100BaseTX) for Ethernet connection
1 x 9-pin D-Sub connector for RS-485 connection

Protocol

Modbus RTU for serial communication

Configuration Options

Baud Rate: Configurable
Data Format: Configurable
Parity: Configurable
Stop Bits: Configurable

Power Supply

Voltage Range: 10-30VDC

Operating Conditions

Temperature Range: -20°C to 70°C
Mounting: DIN rail

Serial Performance

Protocols Supported: Modbus RTU, Modbus ASCII, Sixnet, and more
Max Serial Baud Rate:
- 115,200 (ET-GT-232)
- 57,600 (ET-GT-485)
Max RS-485 Devices: 32 devices
RS-485 Cable Distance:
- 1 km with 24 AWG wire at 57,600 baud rate
- 2 km with 20 AWG wire at 38,400 baud rate
- 3.5 km with 18 AWG wire at 19,200 baud rate
RS-485 Isolation: 1200 VRMS (1 minute)

Ethernet Performance

Unmanaged, Store & Forward, Wire-Speed Operation
Ethernet Port: 10BaseT at 10Mbps
Protocols Supported: TCP/IP, UDP
Ethernet Isolation: 1500 VRMS for 1 minute
Compliance: IEEE 802.3 (10Mbps Ethernet)

Environmental Conditions

Operating Temperature: -30°C to +70°C (cold startup at -30°C)
Storage Temperature: -40°C to +85°C
Humidity: 5 to 95% RH (non-condensing)
Vibration and Shock: Complies with IEC 60068-2-6, -27, -32

Power Input

Required Voltage: 10-30VDC
Input Power: 0.5 watt typical

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