Overview
History records can be retrieved from the RTU and stored in various formats. The sections below describe the field names used for the various history record types.
Hourly Record Format
| Field Name | Field Type |
|---|---|
Timestamp | DateTime |
FlowingTime | Float |
StaticPressure | Float |
Temperature | Float |
Extension | Float |
DifferentialPressure or Pulses | Float |
Volume | Float |
Energy | Float |
Mass | Float |
Density | Float |
Gas Quality Record Format
*Only one timestamp is used when the record is stored based upon the Leading Timestamp setting on the Archive Collection tab.
| Field Name | Field Type |
|---|---|
Start Timestamp | DateTime |
| End Timestamp | DateTime |
| Methane | Float |
| Nitrogen | Float |
CO2 | Float |
| Ethane | Float |
| Propane | Float |
| H2O | Float |
| H2S | Float |
| Hydrogen | Float |
| CO | Float |
| Oxygen | Float |
| iButane | Float |
| nButane | Float |
| iPentane | Float |
| nPentane | Float |
| Hexane | Float |
| Heptane | Float |
| Octane | Float |
| Nonane | Float |
| Decane | Float |
| Helium | Float |
| Argon | Float |
| Specific Gravity | Float |
| BTU | Float |
| Hexane Plus | Float |
Daily Record Format
Daily records are stored using the same format as hourly records. See Hourly Record Format above.
Alarm Record Format
| Field Name | Field Type |
|---|---|
Timestamp | DateTime |
AlarmSource | Integer (I4) |
SequenceNumber | Integer (I4) |
UserNumber | Integer (I4) |
JulianDate | Integer (I4) |
AlarmValue | Float |
OldValue | Float |
Event Record Format
| Field Name | Field Type |
|---|---|
Timestamp | DateTime |
EventSource | Integer (I4) |
SequenceNumber | Integer (I4) |
UserNumber | Integer (I4) |
JulianDate | Integer (I4) |
NewValue | Float |
OldValue | Float |
DLog Record Format
Data logger records are user configurable and, therefore, do not have a fixed record format. All DLog records retrieved from the RTU are stored with fields named FIELD1, FIELD2, and FIELDn.