
Publication 1797-6.5.3 - March 2006
B-4 FLEX Ex HART Module Commands
Command 129
With Command 129, Read Loop Status, the status of the current loop can be
read out. The following information is supplied:
• Hardware fault
• Rebuild running for this loop
• SCAN activated for this loop
• Searching transmitter (due to disappeared)
• Transmitter not responding (due to disappeared)
• Transmitter responding again (due to appeared)
• Another transmitter responded instead (due to mismatched)
13 LOC_MET Locate method 0 = Single analog
(short address 0
only).
14 SCAN_CMD Scan command 1 = Command 1
2 = Command 2
3 = Command 3
15 SCAN_EN General scan status 0 = Scan disabled
1 = Normal scan
enabled
2 = Special scan
enabled
16 BUSY_RETRY Number of retries for a busy response from
instrument
0…11
17 OTHER_RETRY Number of retries for a other error from
instrument
0…11
Command-specific Response Codes
16 Error Access restricted
32 Error Busy
Table B.4 Command 129 Request and Response Data Bytes
Byte Description Value
Request Data Bytes
0 CH_NUM HART channel number 0…7
Table B.3 Command 128 Response Data Bytes
Byte Description Value
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