Toshiba Black Pear - 7. Modbus Interface; 7.1 Port Configurations

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7. Modbus Interface
7.1 Port Configurations
RS232/RS485 interface
Modbus RTU
9600 baud, 8 data bits, no parity, 1 stop bit
Network interface
Modbus/TCP
2 simultaneous Modbus/TCP client connections are supported:
1 only uses TCP port 502 (default Modbus/TCP port)
2 uses a user configurable TCP port number
Modbus functions supported
Fn 1 Read Coils
Fn 3 Read Holding Registers
Fn 5 Write Single Coil
Fn 6 Write Single Register
Fn 16 Write Multiple Registers (Max. 16 registers at once)
RS232
/
RS485
Black Pear
TM
-
64x
Outdoor
Units
Indoor Units
Modbus RTU
BMS
System
Serial Comms
cable
(Not supplied)
Ethernet
Modbus/TCP
BMS
System
Cat-5 cable
(Supplied)
TCC
-
LINK
Fig. 6 Modbus System Example