HART E018-P, User Manual, Page: 13 / 64

E018-P User Manual
FW_E018-P_M_v0301-01_EN Page 13
4. Check that Total is reset to ‘0’ (this action DOES NOT reset the Accumulated total).
● If a password is assigned in
SETUP 1.4: TOTAL > CLEAR PASSWORD [»21]
, the operator is prompted to
enter the password before Total can be reset.
● Type IB – External reset allows to clear Total via an external pushbutton. This clear action
operates in parallel with the clear total procedure of the control panel but does not require any
extra confirmation or password. When the external pushbutton connection is permanently
closed, Total continues to count but cannot be reset to zero via the control panel anymore.
4.4 DISPLAYED INFORMATION
4.4.1 FLOWRATE
The main screen shows the primary process values of the unit. By default, Total is shown on the
upper line of the display and Flowrate on the bottom line:
● The flowrate calculation is based on the configuration settings for
SETUP 2: FLOWRATE [»21]
, and
Flowrate is shown with the configured number of decimals.
● The configured unit and time unit are indicated on the bottom line of the display. If there isn’t
enough room available, the display will toggle between unit and time unit.
● “-------“ indicates that the flowrate value is too large to be displayed.
● The arrows and indicate the trend (increase or decrease) of the flowrate.
● The flowrate is calculated and processed 8 times per second. To obtain a readable value, the
flowrate shown on the display is updated once every second.
Speedometer
A speedometer view of the actual flowrate can be shown along the top edge of the display. It
contains 20 segments from 0 to 100%. The speedometer is configured in
SETUP 4: DISPLAY [»23]
.
4.4.2 TOTAL AND ACCUMULATED TOTAL
Measured flow is added to the counters for Total and Accumulated total continuously. When
displayed, Total is shown on the upper line and Accumulated total on the lower line:
● Total will count up to 9.999.999 before rolling over to ‘0’ and can be reset to zero by the operator
– see
Section : Operator functions [»12]
.
● Accumulated total will count up to 99.999.999.999 before rolling over to ‘0’ and cannot be reset.
● Measurement unit and number of decimals of the counters are set in
SETUP 1: TOTAL [»21]
.
4.4.3 CURRENT DAY TOTAL AND PREVIOUS DAY TOTAL
● ‘Current Day Total’ is often referred to as ‘Daily Total’.
● The Current Day Total shows the ‘running’ quantity that is measured since last contract hour.
The Previous Day Total shows the ‘fixed’ quantity that was measured the day before.
● Both Current Day Total and Previous Day Total cannot be reset manually.
Historical day totals
Besides directly reviewing the Current Day Total and Previous Day Total, a list of the last 15
Previous Day Totals is saved.
LOG
0 00 1
10
30
20
80
90
70
GAL
TOTAL
Fig. 7:
Example of historical day total from 8 days ago
The list can be reviewed in LOG-mode in the following way:
1. From OPERATOR-mode, press the CLEAR-key for 3 seconds.