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Idiomas disponibles
Idiomas disponibles
10.
Modbus setting method
Modbus communication is available on this model. Follow the procedure below to set.
1. Wiring method
Outdoor unit
Modbus A line
Modbus B line
Dx-coil interface
Baud Rate *1
Address *2
Termination
resistor *3
* 1: Set the baud rate according to the communication device.
* 2: Up to 16 addresses can be set with the rotary switch.
* 3: Set the terminating resistor only for the unit with the latest address.
SW
Bit
1
Modbus baud rate
SW506
2
3
No function
4
No function
Modbus address setting
SW507
1
(RSW)
RS-485 terminating resistance
1
setting
SW801
2
No function
• RS-485 terminator resistor select switch SW801 (Bit1).
• For SW801 Bit1 (120 ohm), Set only the Dx-interface with the latest address, and turn off Bit1 for other Dx-interfaces.
Uv
Uv MdA MdB
Bit1: ON / Bit2: OFF
SW506
(19200)
SW507
SW801
Bit1: ON
Function Name
Note:
When connecting multiple communication lines,
connect MdA-MdA and MdB-MdB to each other.
(There is polarity)
Uv MdA MdB
Bit1: ON / Bit2: OFF
(19200)
1
2
Bit1: OFF
OFF
ON
(Default)
Refer to right table
-
-
-
-
-
-
Can do
None
(120 ohm)
-
-
– 42 –
Uv MdA MdB
Bit1: ON / Bit2: OFF
...
...
...
Detail
Bit1
Bit2
OFF
OFF
ON
OFF
OFF
ON
ON
ON
-
-
Refer to "Modbus setting method" in this
Installation Manual.
Refer to "Modbus setting method" in this
Installation Manual.
-
(19200)
16 (Up to 16)
Bit1: OFF
Baud rate
9600
19200
38400
57600
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