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SDC-PT52

2 channels RS485 to Ethernet serial port server

Description

SDC-PT52 dual serial port server is used to achieve bidirectional transparent transmission of data from serial port to Ethernet port. Users do not need to worry about specific details, and the protocol conversion is completed internally by the server. On one side of the serial port, transparent transmission of serial data is achieved, while on the other side of the Ethernet port, TCP/IP packets are transmitted. The working details can be specified through simple settings, and the two serial ports are independent of each other. It can be done through the internal web page of the server or through setting software, and the settings are permanently saved at once.

Stable and Reliable
  • New ARM core with an industrial-grade operating temperature range – stable and reliable.
  • Comprehensive hardware protection against static electricity, voltage surges, and pulse trains
  • Supports a hardware watchdog to ensure stable device operation without downtime.
  • External grounding screw – convenient installation and enhanced reliability
  • Multiple serial ports operate independently without interfering with each other; the communication indicator light visually displays data
  • transmission and reception status.
  • Supports a wide voltage input range of 5–36 V (N580:9–36 V) with reverse-connection protection.
  • The power interface supports both DC power sockets and 5.08 mm × 2-pin terminal blocks.
  • Reload button – restore default settings with a single tap – Multiple safeguards
Powerful
  • Supports edge computing functionality, enabling edge data collection, processing, and reporting via the Modbus protocol.
  • Supports the DL/T 645 standard protocol
  • Supports MQTT functionality, enabling integration with standard MQTT-based cloud platforms and implementation of passthrough functionality.
  • Supports quick setup for connecting to Alibaba Cloud, enabling data passthrough functionality.
  • Supports quick AWS connection setup to enable direct data transmission functionality.
  • Supports encrypted data transmission –HTTPS, MQTT, and TCP+SSL encryption capabilities.
  • Supports serial AT commands and network AT commands
  • UDP broadcast functionality – sends and receives data to all IP addresses within the network.
  • Supports server domain name resolution
  • Built-in web interface allows for parameter configuration via the web browser; supports changing the web port (default: 80).
  • Serial port baud rate supports a range of 600 bps to 921.6 kbps (maximum 230.4 kbps in Version-6); supports five parity checking modes: None,
  • Odd, Even, Mark, and Space.
  • Supports Modbus protocol conversion and polling functionality, making it more convenient for industrial field applications.
  • Supports SNMP functionality; enables retrieval of device network information (e.g., IP address, MAC address) via SNMP.
  • Supports Telnet functionality; you can remotely log into the device via Telnet to check its status or view its real-time logs.
  • Supports the KeepAlive mechanism for quickly detecting dead links and other anomalies, then promptly re-establishing the connection.
Technical
  Parameters Value
Hardware Operating Voltage DC 5.0~36.0 V
Working current (12V) The average current is 66.7 mA, and the maximum current is 69.5 mA
Size 115.76 * 94.0 * 25.5mm (L * W * H including terminals and ears)
Installation Method Desktop style (hanging ear)
grounding screw 1 piece
Operating Temperature -40~85℃
Storage temperature -40~105℃
Operating Humidity 5% to 95% RH (no condensation)
storage humidity 5% to 95% RH (no condensation)
Communication Network port specifications RJ45、10/100Mbps、 Cross direct adaptive connection
Serial port specifications RS485: 3-wire (A+, B -, GND)
Number of serial ports 1 serial port (RS485)
Other interfaces Status indicator light, Reload button
Serial port baud rate 600bps~921.6K bps (maximum 230.4K bps for version -6)
data bit 7. 8
check digit None、Even、Odd、Mark、Space
flow control RS232:RTS/CTS、XON/XOFF  RS485:XON/XOFF
RS485 pull-up and pull-down resistors 2.2KΩ
Protection Electrostatic protection Contact discharge 8kV; air discharge 15kV
Surge interference level test Power circuit 2kV; serial port network circuit 2kV
Electric fast pulse group Power circuit 2kV; serial port network circuit 1kV
Software network protocol IP、TCP、UDP、HTTP、MODBUS、ARP、ICMP、IPV4、DHCP、DNS、SNMP、Telnet、MQTT、SSL/TLS
IP Acquisition Method Static IP, DHCP
domain name resolution Support
DL/T 645 protocol Support
MQTT function Support connecting to the standard MQTT protocol platform
Edge computing function Support edge collection, computation, reporting, reading and writing
Sampling point Up to 300 points
SSL encryption Support selecting TLS version, supporting unverified certificates, authenticated server certificates, and mutual authentication certificates
Convert webpage to serial port Support WebSocket communication method for converting web pages to serial ports
configuration method Configure software, AT command configuration, webpage configuration, network configuration protocol
Serial port cache Dynamic caching, per package caching
Example (N540): When the packet length is 10 bytes, 200 packets can be cached, which is 2KB,
When the package length is 1460Byte, it can cache 5 packages, which is 7.3KB
Network port cache 48Kbyte
Relevant Products
SDC-PT51 SDC-PT51
1 channel RS485 to Ethernet serial port server
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