
Publication 1797-6.5.3 - March 2006
FLEX Ex HART Module Commands B-13
Command 138
With the Read Transmitter Cumulative Response command, no more than 27
instruments may be requested.
7 SCAN_0 Instrument 0 scan status 0 = Instrument is
not scanned.
1 = Instrument is
scanned.
… EXT_ADDR_I Extended address of instrument I —
… COUNT_I Bytes before next item
… ERROR_I Error I
… SCAN_I Instrument I scan status
…… …
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.13 Command 138 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 COMM_ERR_0 OR of communication error in instrument 0
replies
—
Table B.12 Command 137 Request and Response Data Bytes
Byte Description Value
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