Honeywell HVAC03C5, User Manual

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7
7.4.8.5 Fieldbus parameters
RS-485 communication status (I6.10.1)
With this function you can check the status of the RS 485 bus. If the bus is not in use, this value is
0.
xx.yyy
xx = 0 – 64 (Number of messages containing errors)
yyy = 0 – 999 (Number of messages received correctly)
Fieldbus protocol (P6.10.2)
With this function you can select the fieldbus communications protocol.
0
= Not used
1
= Modbus protocol
Slave address (P6.10.3)
Set here the slave address for the Modbus protocol. You can set any address between 1 and 255.
Baud rate (P6.10.4)
Selects the baud rate used with the Modbus communication.
0
= 300 baud
1
= 600 baud
2
= 1200 baud
3
= 2400 baud
4
= 4800 baud
5
= 9600 baud
6
= 19200 baud
7
= 38400 baud
8
= 57600 baud
Stop bits (P6.10.5)
Set the number of stop bits used in Modbus communication
0
= 1 stop bit
1
= 2 stop bits
Parity type (P6.10.6)
Here you can select the type of parity checking used with the Modbus communication.
0
= None
1
= Odd
2
= Even