Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual - Manual (Page 136)

Publication 1797-6.5.3 - March 2006
B-12 FLEX Ex HART Module Commands
Command 137
For the given long frame addresses, the Write SCAN Status of the Transmitters
command sets the SCAN status of the transmitters (0 = disable SCAN, 1 =
enable SCAN). No more than 31 instruments may be requested.
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.12 Command 137 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
6 SCAN_0 Scan enable/disable on instrument 0 0 = Scan disable
1 = Scan enable
… EXT_ADDR_I Extended address of instrument I —
… COUNT_I Bytes before next item
… SCAN_I Scan enable/disable on instrument I
… … …
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.
31 = The scan
value sent is
identical to the
current one.
64 = Unknown
instrument. No
data is included
for that
instrument.
65 = Scan value
not allowed. No
data included for
that instrument.
Table B.11 Command 136 Request and Response Bytes
Byte Description Value