LG ACP IV, Install/Owner’S Manual, Page: 7 / 17

ACP IV FUNCTIONS AND SPECIFICATION
7
ENGLISH
Names of each part of ACP IV
ACP IV is composed as follows.
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270.0 mm
155
.0
mm
64
.8
mm
Number Item Description
①
Cover Front cover of the ACP IV
②
RS-232 console port Reserved communication port
③
Adaptor connection jack Jack for DC 12 V to connect to the power supply adaptor
④
Buttons and LCD
Buttons and LCD to set network environment and to dis-
play other information
⑤
Basic external input/ output
signal connectors
Connection ports to connect to external input/output sig-
nals (DI:2, DO:2)
⑥
Optional input/output and RS-
485 communication port
Connection port to connect to external input/output signals
and RS-485 communication port for external expansion.
(8 DI’s, 2 DO’s, 2 RS-485 communication ports)
⑦
RS-485 communication port
RS-485 communication ports to connect to air conditioner
and ERV equipment (4 in total)
⑧
Mini USB port USB to Serial port for software debugging
⑨
USB port For software update and data backup
⑩
Power switch Switch to turn on or off the power of the ACP IV
⑪
Ethernet port Ethernet port to connect to internet and AC Manager IV
⑫
SD card slot For RS-485 communication data backup.