Elster 83 462 140, Operating Manual And Installation Instructions

Page: 91 / 126

Volume Conversion Device EK260
Elster GmbH 91
4.3 Application as flow recording device
The EK260 possesses an integral flow recording function with nationally certificated type
approval. In the measurement period archive (
→
Chapter 3.6) the counter readings Vb and
Vm used for billing are included as well as their increments
∆
Vb and
∆
Vm . The increments
always refer to the previous archive row.
The device is equipped with the following functions for checking the billing data "on site":
•
Display and read-out of all data relevant to billing.
•
Additional display of the counter increments (consumption values) in the
measurement period archive (
à
3.6, "ArMP").
•
With invalid consumption values the abbreviated designation flashes incl. "
∆
".
(Further details are given in
à
3.6, "ArMP").
•
Find function for checking the archive entries (
à
3.6.2).
•
Display of the set measurement period MPer and the remaining time in the current
measurement period MP.Re (
à
3.6).
•
Labelling of uncalibrated values
1
by an asterisk after the abbreviated designation.
•
Checking each individual archive row using a checksum ("CRC").
If a data error has occurred in an archive row, each valu e affected flashes in the
display.
4.4 Connection of a counter with LF pulse transmitter
Ex-works the maximum counting frequency of the EK260 Volume Conversion Device is
parameterised to 2 Hz. Reparameterising to a maximum of 10 Hz is possible by trained
specialist personnel with the calibration lock open. Changes to the input frequency must
be noted in the operational and rating data book on the page "Proof of measures carried
out".
1
For use outside of applications subject to calibration, the device can also be obtained
without the identification of uncalibrated values