Daikin UWL-B5 Series Catalogue/Engineering Data page 35

■ Address setting (SW3 and SW4: When SW1.1 is set as the master unit, the modbus equipment
address corresponding to the master unit shall add 1; when SW1.1 is set as the slave unit, it has
the address of the slave unit. The range is 0~ 14).
Address
of
SW3
outdoor
unit
0# 0
1# 0
2# 0
3# 0
4# 0
5# 0
6# 0
7# 0
Note:
Address numbers must be unique in the same system.
The unit can only be powered on and commissioned after the address numbers are configured.
The inner side of the control box cover of the unit is attached with an electrical wiring diagram of the
unit, which provides detailed description for DIP settings. Please keep it properly.
■ Control (Communication) Wire Connection.
Master
Bin
Ain
Bpc
Apc
AC:220V~50Hz
34
Address
of
SW4 SW3
outdoor
unit
0 8# 0
1 9# 0
2 10# 1
3 11# 1
4 12# 1
5 13# 1
6 14# 1
7 15# 1
0# Slave
13# Slave
Bin Bin
Ain Ain
Bpc Bpc
Apc Apc
Power
adapter
Address
of
SW4 SW3
outdoor
unit
8 16# 1
9 17# 1
0 18# 1
1 19# 1
2 20# 2
3 21# 2
4 22# 2
5 23# 2
A) conductor (WTC pair with cross section area
A) conductor (WTC pair with cross section area of at
least 0.5mm2 or 20AWG); B) insulator; C) Screen
of at least 0.5mm
14# Slave
layer (twisted WTC with a screening factor no less
C) Screen layer (twisted WTC with a screening
Bin
than 95%) ; D) Outer jacket (PVC);
factor no less than 95%); D) Outer jacket (PVC);
Ain
Bpc
Apc
Wired controller
Note:
Better choose network cables with a tenser
shielding layer and smaller twisting distance.
Please refer to the UL2547 or UL2791 wire
specification.
The control wire must not be longer than
1000 meters.
The control wire must be at least 20cm away
from major current wire.
Address
of
SW4
outdoor
unit
6 24#
7 25#
8 26#
9 27#
0 28#
1 29#
2 30#
3 31#
2
or 20AWG); B) insulator;
lllustration of shielded twisted pair
Note:
Better choose network cables with a tenser
shielding layer and smaller twisting distance.
Please refer to the UL2547 or UL2791 wire
specification.
The control wire must not be longer than 1000
meters.
The control wire must be at least 20cm away
from major current wire.
SW3 SW4
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1