Harsen GU320a - CI485 Communication Link

GU320a Controller Manual
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100% Remote control function Covering the whole control function of panel.
10.2 CI485 Communication Link
(Controller with RS485 com and CI48A accessory), more details please refer to the following wiring
diagram：
(Controller with RS232 com and CI232A accessory )，more details please refer to the following wiring
diagram：
The communication interface provides users a method, to make the users fetch more information that
cannot obtain from the panel. The relative software can display the whole parameters measured and state
information; it also can set various parameters.
RS CONNECTOR
GU320a Controller
CI485A
(DB9)
A
S
B (RS485)
Transform terminal
RS CONNECTOR
GU320a Controller
CI232A
(DB9)
MODEM
Computer
CI232A
Able to connected respectively