Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual - Manual (Page 134)

Publication 1797-6.5.3 - March 2006
B-10 FLEX Ex HART Module Commands
Command 135
For the given long frame addresses, the Read Dynamic Data of the
Transmitters command returns the following transmitter data:
• Selected SCAN command
• Long frame address
• HART data
No more than seven instruments may be requested.
Table B.10 Command 135 Request and Response Data Bytes
Byte Description Value
Request Data Bytes
0…4 EXT_ADDR_0 Extended address of instrument 0 —
5 COUNT_0 Bytes before next item
… EXT_ADDR_I Extended address of instrument I
… COUNT_I Bytes before next item
… … …
Response Data Bytes
0 SCAN_CMD Scan command used 1 = Command 1
2 = Command 2
3 = Command 3
1…5 EXT_ADDR_0 Extended address of instrument 0 —
6 COUNT_0 Bytes before next item
7 ERROR_0 Error 0 0 = No error.
64 = The
requested
instrument is not
on the scan list.
No data is
included for that
instrument.
8 DATA_0 Reply from the instrument 0 (status bytes +
data bytes) —
… EXT_ADDR_I Extended address of instrument I
… COUNT_I Bytes before next item
… ERROR_i Error i
… DATA_i Reply from the I-th instrument (status
bytes + data bytes)