HRT-710 User Manual (Version 1.24, June/2015) PAGE: 30
Figure 21
:
Hardware connection
Step 2
:
Set the DIP switch in the backplane of HRT-710
to ―default‖
position. It will set the HRT-710 module to the default settings as
below.
Protocol
:
Modbus RTU Slave
Net ID
:
1
Baud Rate
:
115200
Data Bits
:
8
Stop Bit
:
1
Parity
:
None
Step 3
:
Turn the power on.
Step 4
:
Waiting for the
―RUN‖ led of HRT-710 to be always on.
Step 5
:
Run the MB/RTU tool (like Figure 22) on PC.
(1) Set the PC COM port number
(2) Set the baud rate to 115200
(3) Set the Line control to
―N,8,1‖
(4) Click
―Open‖ button
Figure 22
:
MB/RTU Tool
Step 6
:
Send the Modbus command
:
0x01 0x04 0x01 0xFA 0x00 0x07
0x90 0x05
[MB
:
0x1FA~0x200, total word length is 7.]
Step 7
:
Receive and analyze the response data.
Here are the Modbus response data
:
0x01 0x04 0x0E 0x10 0x00 0x3F 0xFE 0x08 0x04 0x01 0x05 0x1B
0x10 0x1B 0x00 0xE8 0x97 0x33 0xCC
The HART data is 7 Words (14 Bytes) as below
:
Word 0
:
0x10 (Byte 1) 0x00 (Byte 0)
Word 1
:
0x3F (Byte 3) 0xFE (Byte 2)
Word 2
:
0x08 (Byte 5) 0x04 (Byte 4)
Word 3
:
0x01 (Byte 7) 0x05 (Byte 6)
Содержание HRT-710
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Страница 32: ...HRT 710 User Manual Version 1 24 June 2015 PAGE 32 Figure 23 MBRTU send and receive data...
Страница 96: ...HRT 710 User Manual Version 1 24 June 2015 PAGE 96 8 Dimensions...
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