AD-BV 20 GVC

Description

The burden amplifier AD-BV 20 GVC serves the power amplification (burden increase) in application with high current loop resistance, i.e. line resistance. The burden amplifier is switched directly behind a present current source (i.e. separation amplifier AD-TV 22 GL), whereby the energy of the current source is also used. The device output of the total device chain is optimally utilised. The galvanic signal separation of the series separation amplifier continues to be realised.

AD-BV 20 GVC

Application

In applications where isolation amplifiers with e.g. max. 500 Ohm can no longer provide the required load voltage to bridge high line resistances.

Business data

Order number
AD-BV 20 GVC
Identifiers
Customs tariff number / country of origin 8543 70 90 / Deutschland

Information

Technical specifications

Input current
Input range 0 ... 20 mA
Required input voltage 6 V
Input voltage requirement with bridge cl. 4 and 5 2 V
Output current
Max. output range 0 ... 20 mA; 1:1
Max. burden 1000 Ohm
Maximum load with bridge cl. 4 and 5 1300 Ohm
No galvanic isolation to the input!
Transmission behaviour
Basic accuracy 0,2 % of full scale
Temperature influence < 10 ppm/K of full scale
Supply
Voltage range AC 50 ... 253 V AC, 50/60 Hz
Nominal voltage AC 230 V AC
Voltage range DC 20 ... 253 V DC
Nominal voltage DC 24 V DC
Power consumption AC / DC 1,5 VA / 1W
Housing
Manner of fastening DIN rail 35mm (EN 50022)
Type of protection IP 20
Connector cross section Max. 2,5 mm²
Weight ~ 140 g
Environmental conditions
Ambient temperature -10 ... 50 °C
Storage and transport -10 ... 70 °C (no condensation)
EMC
Product family standard 2) EN 61326-1
Emitted interference EN 55011, CISPR11 Cl. B, Gr. 1
2) During electromagnetic disturbance minor changes in output signal are possible.
Electrical safety requirements
Product family standard EN 61010-1
Overvoltage category II
Pollution degree 2
Galvanic isolation, test voltages
Signal/auxiliary voltage 3 kV (1 min)
Protective systems
Input/output Over voltage and over current
Power supply Over voltage, over current and over temperature

Block and wiring diagram

AD-BV 20 GVC

Dimensions

AD-BV 20 GVC

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