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5.3. Archive data
Archiving of the heat meter data is fully configurable by the user with the ElfSerwis configuration softwa-
re (see the detailed description in the separate document). A space intended for archived data can be
divided in any way between 4 types of archives, archive for cycle 1, archive for cycle 2, monthly archive
and annual archive. The user configures the number of registrations for a given archive. If zero is set, it
means that a given registration cycle is inactive. The recording period of cycle 1 and 2 is set by the user
in minutes, from 15/60 to 1440 (24h). Monthly data are recorded at an hour and on a day set by the user.
Similarly, annual data are recorded at an hour and on a day of recording of monthly data, in a month set
by the user.
If the entire space for one type of archive is used, it can be recorded as follows: for archive for cycle
1 / cycle 2 - up to 1667 registrations, for monthly archive - up to 241 registrations, whereas for annual
archive - up to 20 registrations. The following configuration of archive space arrangement is factory-set:
• cycle 1 (hourly) - 747 registrations,
• cycle 2 (daily) - 80 registrations,
• cycle 3 (monthly) - 20 registrations,
• cycle (annual) - 10 registrations.
Note: A change of the number of registrations for any archive brings about the deletion of the entire
memory area meant for registration and the loss of the archived data. If at the moment of recording the
registrations for group 2 or 3 are displayed, they will cease to be displayed and LCD will return to group
1 for basic data.
The following sections of the description provide structures of registered records. Every record consists
of an identifier, data and recording time for the record and the values for basic heat meter registers. For
individual periods of recording into archive mean values are also determined (temperature, power and
flow), whereas:
• mean values for cycle 1 and cycle 2 data are determined on the basis of instantaneous values,
• mean values for monthly cycle data are determined on the basis of mean values from cycle 1, whe-
reas for annual cycle on the basis of mean values from cycle 2.
Moreover, monthly and annual records include maximum and minimum values (of temperature, power
and flow) along with dates and times of their occurrence. Peak values are determined on the basis of
mean values from cycle 1.
5.3.1. Cycle 1 record (hourly) and cycle 2 (daily)
Data type Size in bytes
Record number – AMR 4
Recording time and date 5
Heat 6
Volume 4
Standard working time 4
Non-standard working time 4
Additional pulse input 1 10
Additional pulse input 2 10
Additional pulse input 3 10
Additional pulse input 4 10
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