Chapter 4 Communication Protocol; List Of Communication Parameters - Delta AS-BF Series Operating Manual

Chapter 4
Communication Protocol

4.1 List of Communication Parameters

Communication via RS485
◎
Supported Baud Rates:9600, 14400, 19200, 38400 (default), 57600 bps

Supported Modbus communication formats:

ASCII: 8,N,1, 8,O,1, 8,E,1, 8,N,2, 8,O,2, 8,E,2
RTU: 8,N,1(default), 8,O,1, 8,E,1, 8,N,2, 8,O,2, 8,E,2
Supported communication addresses:1 (default) - 247

Supported function codes:03H, 06H

Before setting, the product output must be disconnected from the host; after setting, to avoid danger, it must be actually
tested to see if it meets requirement before the product output can be connected to the host.
Function Position
0000H ~
0001H
Basic
002BH
0080H
0081H
Communicatio 0082H
n format
setting
(Example 1)
0083H
Operating Manual for Communicating Area Sensor

Chapter 4 Communication Protocol

Read
Name
/write
R Firmware version
Entering firmware upgrade
W
procedure
R Reading model
Modbus communication
R/W
address
R/W Modbus Baud Rate (bps)
R/W Modbus communication format
Description of numerical value
Address 0000H (High) and 0001H (Low)
Read back value 00XXH (High) and
00YYH (Low)
Version is XXYYH
1: Entering firmware upgrade
2 : AS-B
Default setting is 1;
setting range is 1 - 247
1: 9600
2: 14400
3: 19200
4: 38400 (Default)
5: 57600
1: ASCII, 8, N, 1
2: ASCII, 8, O, 1
3: ASCII, 8, E, 1
4: ASCII, 8, N, 2
5: ASCII, 8, O, 2
4-1