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Command 136 – Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual User Manual

Page 135

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Publication 1797-6.5.3 - March 2006

FLEX Ex HART Module Commands B-11

Command 136

For the given long frame addresses, the Read SCAN Status for 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.11 Command 136 Request and Response 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

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

Table B.10 Command 135 Request and Response Data Bytes

Byte

Description

Value

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