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Check the installation environment and configure the device address
AC Smart IV can connect up to 128 devices (including indoor units, ERV, DI/DOs, DOKITs, AWHPs,
AHUs) or 64 devices (including indoor units, ERV, DI/DOs, DOKITs, AWHPs ans AHUs) and 9 I/O
Modules.
The following shows an example of connecting AC Smart IV with such devices.
Quantity of
Device
128
64
* Devices : Indoor units, ERV, DI/DOs, DOKITs, AWHPs, AHUs
AC Smart IV connects with PI485 and uses RS485 to communicate and exchange information.
Allocate unique addresses to those devices (internal units, ERV, DI/DOs, DOKITs, AWHPs, AHUs,
I/O Modules) that will connect with AC Smart IV. The addresses are hexadecimal numbers that can
be chosen from 00 to FF.
9
Quantity of
I/O Module
PREPARATION
Quantity of
Quantity of
I/O Module
Device
0
128
1
121
2
114
3
107
4
100
5
93
6
86
7
79
8
72
9
64
11
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