DS DS/EN 1434-3 Heat Meters - Part 3: Data exchange and interfaces

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DS DS/EN 1434-3 Document Information:

Title
Heat Meters - Part 3: Data exchange and interfaces

Varmemålere - Del 3: Datakommunikation og grænseflader

Dansk Standard

Publication Date:
Oct 27, 2008

Scope:

This European Standard applies to heat meters, that is to instruments intended for measuring the heat which, in a heat-exchange circuit, is absorbed or given up by a liquid called the energy-conveying liquid. The meter indicates heat in legal units. Electrical safety requirements are not covered by this standard. Part 3 specifies the data exchange between a meter and a readout device (POINT / POINT communication). For these applications using the optical readout head, the EN 62056-21 protocol is recommended. For direct or remote local readout of a single or a few meters via a battery driven readout device, the physical layer of EN 13757-6 (local bus) is recommended. For bigger networks with up to 250 meters, a master unit with AC mains supply according to EN 13757-2 is necessary to control the M-Bus. For these applications the physical and link layer of EN 13757-2 and the application layer of EN 13757-3 is required. For wireless meter communications, EN 13757-4 describes several alternatives of walk/drive-by readout via a mobile station or by using stationary receivers or a network. Both unidirectionally and bidirectionally transmitting meters are supported by this standard.

Keywords:

AIR-CONDITIONING SYSTEMS
ARITHMETIC UNITS
BOILERS
BUSES (DATA PROCESSING)
CIRCUIT NETWORKS
CIRCULATION
COUNTERS
CURRENTS
DATA
DATA COMMUNICATION
DATA EXCHANGE
ENERGY
ENGLISH LANGUAGE
FLOWS
HEAT
HEAT CONSUMPTION METERS
HEAT EXCHANGERS
HEAT TRANSFER MEDIA
HEATING EQUIPMENT
HEATING TECHNICS
HEAT-MEASURING INSTRUMENTS
INFORMATION EXCHANGE
INTERFACES (DATA PROCESSING)
MATERIALS
MEASUREMENT
MEASURING
MEDIA
OPERATING MODE
PHYSICAL PROPERTIES
PROTOCOLS
QUANTITY OF HEAT
RECORDS
SAFETY
SENSORS
TEMPERATURE
THERMAL
THERMOTIPS
BUSES (VEHICLES)
INTERFACES OF ELECTRICAL CONNECTIONS
INTERFACES
MECHANICAL INTERFACES

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