The following table shows the alerts that can appear for a DVTR block, an explanation of each alert, the bit position of each alert, and how to access the alert bit from DeltaV Operate.
|
Bit Value |
Explanation |
Bit Position |
Access from DeltaV Operate |
|---|---|---|---|
|
Trip Active |
Inactive when OUT_D is in the normal operating state, active when OUT_D is in the trip state. |
0 |
DVTR_ALERTS.F_CV[1] |
|
Bypass Active |
Active when there is a maintenance bypass on any input (any BYPASSn parameter is True). |
2 |
DVTR_ALERTS.F_CV[3] |
|
Startup Override Active |
Active whenever the startup bypass is active. |
3 |
DVTR_ALERTS.F_CV[4] |
|
Expiration Reminder |
Active when either a maintenance bypass or a startup bypass is about to expire. |
5 |
DVTR_ALERTS.F_CV[6] |
|
Bypassed Input Tripped |
Active if one or more bypassed inputs have exceeded the trip limit. |
7 |
DVTR_ALERTS.F_CV[8] |
|
Input Bad |
Active if any input has bad status. |
8 |
DVTR_ALERTS.F_CV[9] |