Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual - Manual (Page 139)

Publication 1797-6.5.3 - March 2006
FLEX Ex HART Module Commands B-15
Command 140
The Read the Number of Command Requests and Errors of Transmitters
command is a communication statistic that contains the number of commands
sent to the transmitter and the number of commands that failed. No more
than 16 instruments may be requested.
… COUNT_i Bytes before next item —
… ERROR_i Error i
… … …
Command-specific Response Codes
5 Error Too few data bytes received
16 Error Access restricted
17 Error Too many items requested
32 Error Busy
Table B.15 Command 140 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…4 EXT_ADDR_0 Extended address of instrument 0 —
5 COUNT_0 Bytes before next item
6 ERROR_0 Error 0 0 = No error.
64 = Unknown
instrument. No
data is included
for that
instrument.
7…10 TRIES_0 Number of commands sent to instrument 0
by IOM-HART
11…14 FAILS_0 Number of commands that failed with
instrument 0 (no reply or communication
error)
… EXT_ADDR_i Extended address of instrument i
Table B.14 Command 139 Request and Response Data Bytes
Byte Description Value