HRT-710 User Manual (Version 1.24, June/2015) PAGE: 19
3.3.2 Delimiter
This data can indicate the frame is long or short frame and the
frame is master frame, slave frame or burst frame.
3.3.3 Address
If the HART frame is short frame, the address field is only one byte.
If it is long frame, the address field is 5 bytes and include manufacturer
ID, device type and device ID.
3.3.4 Command
The HART command set includes three classes shown as below.
(1) Universal Command
(2) Common-Practice Command
(3) Device-Specific Command
Command Number Command Class
0 Universal
‧
‧
‧
‧
‧
‧
30 Universal
31 Reserved
-------------------------------------------------------
32 Common Practice
‧
‧
‧
‧
‧
‧
127 Reserved
-------------------------------------------------------
128 Transmitters-Specific
‧
‧
‧
‧
‧
‧
253 Transmitters-Specific
-------------------------------------------------------
254 Reserved
255 Reserved
About the often used HART
command, please refer to ―Appendix A
:
HART command‖.
Содержание HRT-710
Страница 1: ...HRT 710 User Manual Version 1 24 June 2015 PAGE 1 TM H R T 7 1 0 User s Manual Version 1 24...
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...
Страница 97: ...HRT 710 User Manual Version 1 24 June 2015 PAGE 97...