Rockwell-automation 1797-OE8H FLEX Ex HART Analog Modules User Manual Manual de usuario Pagina 133

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Publication 1797-6.5.3 - March 2006
FLEX Ex HART Module Commands B-9
Command 134
The Read Scan List command returns the extended addresses of the
transmitters. No more than 49 instruments will be returned. If the index is too
large, no list is generated and only the index is present in the reply.
7…11 EXT_ADDR_I Extended address of instrument I
12 COUNT_I Bytes before next item
13 ERROR_I Error I
Table B.9 Command 134 Request and Response Bytes
Byte Description Value
Request Data Bytes
0…1 INDEX Instrument scan list index
Response Data Bytes
0 INDEX Instrument scan list index
2…6 EXT_ADDR_0 Extended address of first instrument
7…11 EXT_ADDR_I Extended address of instrument I
Command-specific Response Codes
5 Error Too few data bytes received
16 Error Access restricted
32 Error Busy
Table B.8 Command 133 Request and Response Data Bytes
Byte Description Value
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