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Programmable Serial-to-Ethernet Device Server
PDS Series User Manual, Version 2.5, Mar. 2019
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M2: Half-Slave Mode (Is situated between M0 and the M1 mode)
M2 is used for Virtual COM and TCP/IP connections. If only one client connects to the PDS series,
the operation mode same as M0 mode (Multi-echo, shared), refer to
. If there are two or more clients connecting to the PDS series, the operation mode same as
M1 mode (Single-echo, Non-shared), refer to
. PDS sends data to the last
client when data is available but no request from any client.
M3: Modbus Gateway
When PDS series are configured to Modbus Gateway, the operation mode will be automatically set
to M3 mode. The more detailed information regarding configuring Modbus Gateway, refer to
Section 4.4 “Modbus Gateway Settings”
Chatper 5 “Modbus Testing and Protocol”.