Rockwell-automation 1797-OE8H FLEX Ex HART Analog Modules User Manual Instrukcja Użytkownika Pobierz pdf (Strona 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

1 2 ... 134 135 136 137 138 139 140 141 142 143 144 ... 195 196

Brak uwag

Rockwell-automation 1797-OE8H FLEX Ex HART Analog Modules User Manual Instrukcja Użytkownika Strona 139