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Tiny Modbus TCP to RTU/ASCII Gateway with PoE and 1-port Isolated RS-232/422/485 (RoHS)
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Bộ chuyển đổi Modbus Gateway 1 cổng RS-232/422/485 sang Ethernet ICP DAS tGW-718i-UL CR
Modbus has become a standard industrial communication protocol, and is now the most commonly available means of connecting industrial electronic devices. Modbus allows for communication between many devices connected to the same RS-485 network, for example, a system that measures temperature and humidity and communicates the results to a computer. Modbus is often used to connect a supervisory computer with a remote terminal unit (RTU) in supervisory control and data acquisition (SCADA) systems.
The tGW-700-UL 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.
The read-cache function is used to store previous requests and responses in the memory buffer of the tGW-700-UL module. When other HMI/SCADA master controllers send the same requests to the same RTU slave device, the cached response is returned immediately. This feature dramatically reduces the loading on the RS-485 bus communication, ensures faster TCP responses, and improves the stability of the entire system.
The tGW-700-UL module offers true IEEE 802.3af-compliant (classification, Class 1) Power over Ethernet (PoE) functionality using a standard category 5 Ethernet cable to receive power from a PoE switch such as the NS-205PSE. If there is no PoE switch on site, the module will also accept power input from a DC adapter. The tGW-700-UL module is designed for ultra-low power consumption, reducing hidden costs from increasing fuel and electricity prices, especially when you have a large number of modules installed. Reducing the amount of electricity consumed by choosing energy-efficient equipment can have a positive impact on maintaining a green environment.
The tGW-700-UL series modules have obtained UL certification, meeting strict safety standards including fire resistance, electric shock protection, and durability requirements. This ensures stability and safety across various usage environments, providing consumers with reliable quality assurance. The UTA version uses conformal coating technology that offers excellent resistance to moisture and salt spray, making it particularly suitable for coastal and high-humidity environments.
Feature
Application
Specifications
Ethernet | |
---|---|
Ports | 10/100 Base-TX, 8-pin RJ-45 x 1, (Auto-negotiating, Auto-MDI/MDIX, LED indicator) |
PoE | PoE (IEEE 802.3af, Class 1) |
COM Ports | |
---|---|
Ports | tGW-718-UL & tGW-718-UL-UTA: 1 x RS-232/422/485 (non-isolation) tGW-718i-UL & tGW-718i-UL-UTA: 1 x RS-232/422/485 (3000VDC Signal Isolation) |
Baud Rate | 115200 bps Max. |
Bias Resistor | Yes, 1 KΩ |
Parity | None, Odd, Even, Mark, Space |
Data Bit | 5, 6, 7, 8 |
Stop Bit | 1, 2 |
Node Address | 254 (max.) |
Power | |
---|---|
Consumption | 0.07 A @ 24 VDC |
Powered from PoE | IEEE 802.3af, Class 1 |
Powered from Terminal Block | +12 ~ 48 VDC |
Mechanical | |
---|---|
Casing | Plastic |
Dimensions (mm) | 52 mm x 27 mm x 95 mm (W x L x H) |
Installation | DIN-Rail Mounting |
Environment | |
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Operating Temperature | tGW-718-UL & tGW-718i-UL: -25 ~ +70 °C tGW-718-UL-UTA & tGW-718i-UL-UTA: -40 ~ +70 °C |
Storage Temperature | -30 ~ +80 °C |
Humidity | 10 ~ 90% RH, non-condensing |
Download
Ordering Information
tGW-718i-UL CR | Tiny Modbus TCP to RTU/ASCII Gateway with PoE and 1-port Isolated RS-232/422/485 (RoHS) Includes DC-jack to 2-wire power cable, 0.3 M (CA-002-UL) |