Diagnostics
Document No. D113-015
Page 63 of 77
Revision 1.9
Command Errors
The number of command errors experienced.
Time-Out Errors
The number of HART time-out errors experienced.
Relay Message Tx Count
The number of HART packets sent via relay (Class 2) messages (DTMs etc.)
Relay Message Rx Count
The number of HART packets received for relay (Class 2) messages (DTMs etc.)
Adv. Diag. Success
The number of successful advanced diagnostic reads.
Adv. Diag. Errors
The number of advanced diagnostic reads that failed.
(Illegal HART command etc.)
Adv. Diag. Timeouts
The number of advanced diagnostic reads where no reply was received.
Table 5.11 - Channel Status Parameters HART Communication Statistics
The PV Tracking Status tab displays the current, minimum and maximum value of the common
process variables. The Reset button can be used to reset the maximum and minimum values.
Figure 5.17 - Channel Status – PV Tracking
The Trend tab displays the status of the analog and HART interaction with the module.
The HART 4 module is capable of storing up to 1000 trend points which are sampled at a user-
configurable interval. The user can choose between one of the following sources:
Raw Analog Current (4-20mA)
Filtered Scaled Value
Digital Current
Primary Variable (PV)
Secondary Variable (SV)
Third Variable (TV)