Toshiba Carrier TCB-IFDMR01UP-UL Manual De Instalación página 34

 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.
CAUTION
• 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.
2. Function codes
Function code
0×03 None
0×04 None
0×06 None
0×08 0×00, 01, 02, 04, 0A, 0B, 0C, 0D, 0E, 0F, 11, 12, 14
0×0B None
0×0C None
0×10 None
Uv
Uv MdA MdB
Bit1: ON / Bit2:OFF
SW506
(19200)
SW507 1
SW801 Bit1: ON
Sub function code
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)
2
Bit1: OFF
Read holding register
Read Input register
White single holding register
Diagnostics
Get Comm. Event Counter
Get Comm. Event Log
Write multiple holding registers
– 33 –
Uv MdA MdB
Bit1: ON / Bit2: OFF
...
(19200)
... 16 (Up to 16)
... Bit1: OFF
Function name