The Extension Ability; Summarization - Xinje XMP2-32 series Operating Manual

After completing the project editing and saving, connect the download port of XMP and computer
serial port with downloading cable, make sure the XMP power is on. Click or
"File---Download" to start downloading data, the download window is as below:
If it appears the item "connection overtime, check cable", please download again.
The downloading is completed when popping up below window:
Attention:
(1) Do not cut the power when downloading, or you have to download again.
(2) The downloading cable of downloading TouchWin screen is the same as downloading PLC
program.
(3) Do not download when XCPPro and TouchWin software are both opened.

5. The extension ability

5-1 Summarization

XMP2-32 series product can not extend BD board.
For extending other devices, use RS-232 or RS-485 ( point A and B ) com port.
RS-232 com port can connect with computer, HMI to monitor the program.
RS-485 com port can connect with meter, inverter, function model, etc. It can extend 32 exterior
devices at most.
Attention:
The connection method is Bus mode, transmission line should start from station 1 to station 2,
then from station 2 to station 3........, connect as this sequence until the last station. Star mode or
ring mode connections are not permitted.