> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/acron-9.3/en/anlagenkonfiguration/verfahrensgroessen/handgroesse/register_zaehlerverwaltung.md). # Meter management tab When meter management is enabled, you can use a process variable to record and evaluate the data of a metering point. Meters at this metering point might, for example, be electricity meters or flow meters. Precisely one meter is always valid at each metering point. The validity of a meter starts at the entered start date and time. The validity of the meter ends when the meter is changed with the start data of the new meter - that is to say, the successor to the current meter. Multiple meter changes can be administered for each metering point. The associated process variable is configured as a quantity with an ascending count value ([Counter difference](/acron-9.3/en/acron_der_anlagenchronist/wertebehandlung_messreihen.md#zaehlerdifferenz)). The consumption figures for the various compression levels are determined depending on the specific configuration. As opposed to a variable without meter management enabled, installation and removal meter readings\* and conversion factors to be included in the calculation can be recorded for a meter variable. The consumption on a meter change is calculated from: *(removal reading of the old meter – last value of the old meter before removal) + (first value of the new meter after installation – installation reading of the new meter)* A conversion factor can be used to adapt the meter readout to the actual value: *Consumption = meter difference \* conversion factor* To obtain correct consumption figures for a metering point in the event of a meter overflow, an [overflow value](/acron-9.3/en/anlagenkonfiguration/prozessanbindung/provider/providerid/variablengruppe/register_serviceaufzeichnung.md#ueberlaufwert) must be recorded on the 'Meter management' tab. If no overflow value is defined, the difference amount between the overflow and the last value is not included in the calculation. Note When meter management is enabled, the overflow value entered under Base data/Value handling of process data is ignored. In the data tables of the manual variables in the ACRON Reporter/Manual entries the cell of the day on which a meter was installed or changed is highlighted in green and the removal and installation meter readings are displayed. ## Meter management active When meter management is enabled, you can use a process variable to record and evaluate the data of a metering point. Precisely one meter is always valid at each metering point. The validity of a meter starts at the entered start date and time. The validity of the meter ends when the meter is changed with the start data of the new meter - that is to say, the successor to the current meter. Multiple meter changes can be administered for each metering point. To obtain correct consumption figures for a metering point in the event of a meter overflow value, an overflow value must be recorded on the 'Meter management' tab. If no overflow value is defined, the difference amount between the overflow and the last value is not included in the calculation. ### Name Name of the meter ### Start date Start date of the meter Note The start time must be unique for each process variable. ### Start time Start time of the meter Note The start time must be unique for each process variable. ### Conversion factor Conversion factor for scaling of the meter value ### Mounting meter reading Meter reading at time of installation ### Dismounting meter reading Meter reading on removal of the meter ### Overflow value Counter overflow value ### Description Description of the meter ### Conversion factor Conversion factor for scaling of the meter value ### Meters Display of the number of configured meters --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. 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