
Publication 1797-6.5.3 - March 2006
B-6 FLEX Ex HART Module Commands
Command 130
Channel 130, Read Instrument List From Index, indicates that the long frame
addresses of the transmitters were recognized on the current loops and
returned. A zero is returned if no device is detected.
The response of this command is also used to build a cross-reference between
I/O module’s loop number and the field device’s user ID. For example, use
this in the host software’s project tree. There are no request data bytes.
Table B.5 Command 130 Response Data Bytes
Byte Description Value
Response Data Bytes
0…4 EXT_ADDR_0 Extended address of instrument 0 —
5…9 EXT_ADDR_1 Extended address of instrument 1
… EXT_ADDR_I Extended address of the instrument
Command-specific Response Codes
5 Error Too few data bytes received
16 Error Access restricted
32 Error Busy
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