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Monitoring The Pbhchannel Block; Pbhchannel Hart Status-related Parameters - Honeywell Experion PKS User Manual

Profibus gateway module.
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8.6 Monitoring the PBHCHANNEL block

In this section, the state and command parameters of the PBHCHANNEL block are listed for quick reference.
For detailed information about these parameters, see PROFIBUS Gateway Module Parameter Reference.
The update rate of parameters, depends on the following conditions:
Configured Link Baud Rate
Bandwidth percentage for DPV1 requests configured in the PBLINK block
Number of HART devices configured per slave
Whether the HART IOMs perform internal scan
IOMs response rate which depends on number of modems in IOM
Priority of request configured in channel
Number of DPV1 data record configured per slave in the DSBs
Existence of FDM or other DTM clients
Wrong channel configuration which results in wait until timeout
PB Slave response time for DPV1 request

8.6.1 PBHCHANNEL HART Status-related parameters

General Device Status
The standard diagnostics that are active for the connected HART device can be monitored in the General
Device Status.
Device Specific Status (Command 48)
The Command 48 diagnostics that are active for the connected HART device can be monitored in the Device
Specific Status (Command 48).
HART Communication Status (HCOMSTS)
The HART Communication Status (HCOMSTS) parameter displays the communication status with the HART
Last Communication Failure (HCOMFAIL)
The Last Communication Failure (HCOMFAIL) parameter indicates the last communication failure based on
the status of the HCOMSTS parameter.
Failed Command (HCMDFAIL)
The Failed Command (HCMDFAIL) parameter indicates the HART command number that failed.
Failed Response Code (HCMDRESP)
The Failed Response Code (HCMDRESP) parameter indicates the response code from the failed command
listed in the HCMDFAIL parameter.
Communication Errors (HNCOMERR)
The Communication Errors (HNCOMERR) parameter indicates the number of communication errors occurred
from last reset.


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