FATEK FBs-CM25 - 6 Appendices; A R S 2 3 2 P O R T S I G N a; B R S 4 8 5 P O R T S I G N a L D I a G R a; CFAT E K; T C P; U D P C O M M U N I C a T I O N P R O T O C O

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6. Appendices
A RS232 port signal
Signal Pin Flow
RX 2
Input→
TX 3
Output←
GND 5
B RS485 port signal diagram
RTX+
RTX-
GND
C FATEK/TCP/UDP Communication Protocol
The communication protocol of FATEK TCP/UDP embeds the FATEK serial
communication message in the TCP or UDP data packet. The port number
used to convey the FATEK TCP/UDP message is configurable (default is
500, refer 5.3.7 for detail).
D Modbus/TCP Communication Protocol
The document of communication protocol of Modbus/TCP can be
referenced at the web site http://www.modbus.org
. The port number used
to convey the Modbus/TCP message is 502.
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