This is an RS232/485/422 device data acquisitor/IoT gateway designed for an industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS232/485/422 to JSON, etc. Adopting RS232/485/422 and Ethernet interface with PoE function, it can be connected with screw terminals for power input by the power port (outer diameter: 5.5mm, inner diameter: 2.1mm).
The rail-type case design, is small in size, easy to install, and cost-effective. It is very suitable for collecting the data of RS232/485/422 and sensors in the industrial field, including local network collection or uploading to the data that the cloud server autonomously collects and sends.
Model | RS232/485/422 TO POE ETH (B) |
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Product type | Serial server, Modbus gateway, MQTT gateway |
Primary function | Realize the bidirectional transparent transmission function of RS232/485/422 to Ethernet |
Communication interface | RS232/485/422 × 1, Ethernet port × 1 |
Power supply | Screw terminal DC 6~36V or PoE network port |
Isolation protection | Power isolation, signal isolation protection |
Communication interface | |
Ethernet | PoE Ethernet port, support IEEE 802.3af standard 10 / 100M self-adaptive RJ45 interface, 2KV surge protection Default address: 192.168.1.200 or 192.168.1.254. To find the device, install the following program: virCOM |
Serial port | Isolated RS232/485/422 |
Serial parameters | |
Baud rate | 300 .. 115200 bps |
Parity bit | none, odd parity, even parity, mark, space |
Data bits | 5 .. 9 bits |
Flow Control | no flow control |
Software | |
Protocol | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS |
Configuration method | PC configuration, WEB browser, device management function library |
Communication method | TCP/IP direct communication, virtual serial port mode |
Operating mode | TCP server, TCP client (TCP server also coexist), UDP, UDP multicast |
Through the CIM 200 module, the Grundfos pump can be controlled directly from the various controllers, and all its parameters can be read. These parameters can be displayed, for example, on HMI or SCADA. The Ethernet / RS485 converter converts TCP telegrams into RTU form and transmits them as such. Thanks to this unit, the connection can serve several master units (multimaster).
PWR | Power Indicator |
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LINK | (1) Link is green when the network cable is connected. (2) When the TCP connection is established (or in UDP mode), Link is blue (actually with a faint green light). It can be used to judge whether the serial port server has established a communication link with the host computer software. |
ACT | (1) When the network port sends data to the serial port, the indicator light is green. The flashing time is 1 second longer than the actual communication time, which makes it easier to find short data communication. (2) When the serial port sends data to the network port, the indicator light is blue and green at the same time. Since blue is brighter, if you see blue, it indicates that there is a serial port returning data to the network port. This can determine whether the device responds to commands from the host computer. If there is no response, it indicates that the serial port baud rate is incorrect or the serial port is not connected properly. |
Use indicator light to debug communication method:
1) If the Link light is not green, the network cable is not connected properly, please check the network cable.
2) If the Link light is not blue (only consider the TCP working mode), the host computer software does not have a serial port The server establishes a connection, please consider whether the IP address is configured in the same network segment.
3) If the Active light is green, it means that the network port is sending data, but there is no serial device returning data. Please check whether the baud rate is configured properly and whether the RS485 positive and negative are connected reversely.
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