
10
PRODUCT INSTALLATION
ENGLISH
Inputting power source
Use a power source of 24 V~ conforming to local and national codes.
CAUTION
• When connecting the power source
confirm the location of the power
source connector and connect it
firmly.
• When selecting a transformer you
must select a product with safety
isolation that meets IEC61558-2-6
and NEC Class 2 regulations. Also,
when selecting an appropriate trans-
former, each installed module,
accessory and volume of total ener-
gy consumption of the field devices
must be considered.
• When power source must be sup-
plied after completely connecting the
product.
!
CAUTION
• Polarity exists when connecting the
RS-485 cable, therefore when con-
necting the two cables caution must
be taken so that they are not
switched.
!
Transformer 24 V~
L : Live
N : Neutral
N
L
ACS IO Module
Connecting the communication Link
Connecting the RS-485 communication link
The two RS-485 cables must be connected to the BUS A of the ACS IO and the BUS B to con-
nect the ACS IO with the ACS IV Controller
Refer to the following illustration when connecting the RS-485 cable.
BUS B
BUS A
ACS IO Module
1,MFL69157012,영영 2017. 7. 14. 영영 3:05 Page 10