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4.12 Multi-unit Connection mode (RS485)
XLN3640 / XLN6024 / XLN8018 / XLN10014 can use RS485 to provide
multi-units series connection function for up to 30 units (If more than 10 units,
please add a 120Ω resistor terminator in the last unit as shown in the below
figure. Turn on the system after series connection is completed. Press
on the main page and set CHAIN ON/OFF to ON (Series/Parallel
connection will be cancelled) and set each unit with a different Address (1 - 30).
Then by using USB connected to PC, multiple units can be controlled by using
the commands in “SERIES CONNECTION COMMAND LIST” section below.
SERIES CONNECTION COMMAND LIST
The series connection command used by all XLN series power supplies
use a carriage return (CR) character for termination of all ASCII strings.
For example, the system will respond with the corresponding value or string
when delivering the inquire command, or respond “OK” when delivering the
setting command. In case any errors happen, the system will respond with an
error message. (Please refer to ERROR RESPONSE LIST section).
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