4.2 Configuring Modbus interface
The default communication settings are listed in the following table. Use the settings that
are suitable for you.
Table 12 Modbus interface configuration parameters
Parameter
Type
Range
Default
Unit
Description
rs485_mode
uint8
• 0 = ASCII CSV
• 1 = Modbus ASCII
• 4 = Modbus RTU
4
−
RS-485 mode
rs485_addr
uint8
1 ... 253
1
−
Modbus address (not
used in ASCII CSV
mode)
rs485_baud
uint32
4800 ... 115200
19200
bps
RS-485 baud rate
rs485_databits
uint8
7, 8
8
bits
RS-485 data bits
rs485_parity
Text
•
N
= None
•
E
= Even
•
O
= Odd
E
−
RS-485 parity
Case insensitive
rs485_stopbits
uint8
1, 2
1
bits
RS-485 stop bits
1. Establish a connection to AQT530.
AQT530 Configuration Guide
M212572EN-C
20
Содержание AQT530
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