AD-STVEX 710 GVD

Description

The AD-STVEX 710 GVD supply isolating amplifier is used for the intrinsically safe supply of a transmitter installed in the hazardous area. The supply isolation amplifier itself is installed as associated electrical equipment in the non-hazardous area, i.e. the safe area. The signal is galvanically isolated and transmitted to the non-hazardous area. The passive input also allows active signals from the hazardous area. The active current output, the current sink output and the voltage output facilitate the adaptation to the following signal input. The device can be operated at 24 V DC or 230 V AC.

AD-STVEX 710 GVD

Application

Supply of a transmitter in the hazardous area and galvanic isolation of the signal.

Specific characteristics

Supply of a transmitter up to zone 0 (gas) or 20 (dust) Active current output, current sink output and voltage output Open-circuit detection according to Namur recommendation NE43 Further parameters configurable via configuration software AD-Studio Detachable, coded connection terminals Zero and full scale adjustment possible via front panel keys

Business data

Order number
AD-STVEX 710 GVD Ex input top
AD-STVEX 710 GVD S-388 Ex input bottom
Identifiers
EClass 27210120
Customs Tariff Number 8543 70 90

Information

Technical specifications

Transmitter input, intrinsically safe
Feeding voltage 23V @ 4mA ... 16V @ 20mA
Maximum measuring range 0 ... 22 mA
Maximum short circuit current 68 mA
Current input, intrinsically safe
Maximum measuring range 0 ... 22 mA
Input resistance 50 Ohm
Current output, active
Maximum output range 0 ... 22 mA
Max. burden 500 Ohm
Current sink output, passive
Maximum output range 0 ... 22 mA
Max. external supply voltage 25 V DC
Max. burden (Uextern - 2V) / 20mA
Output voltage
Maximum output range 0 ... 11 V
Min. burden 2 kOhm
Transmission behaviour
Resolution input ~ 20 µA/LSB
Resolution current output ~ 20 µA/LSB
Resolution voltage output ~ 10 mV/LSB
Maximum error 0,2 % of full scale
Temperature influence ~ 50 ppm/K
Response time ~ 100 ms (10 ... 90 %)
Auxiliary voltage
Range 20 ... 120 V DC / 50 ... 250 V AC
Power consumption 1,8 W / 3,5 VA
Environmental conditions
Ambient temperature -20 ... +60 °C
Approval
ATEX II (1) G [Ex ia Ga] IIC
II (1) D [Ex ia Da] IIIC
Type examination certificate BVS 11 ATEX E 013 X
Standards EN 60079-0, EN 60079-11
EN 60079-26, EN 61241-11
EMC
Product family standard EN 61326-1
Emitted interference EN 55011, CISPR11 Kl. B, Gr. 1
Electrical safety requirements
Product family standard EN 61010-1
Overvoltage category II
Pollution degree 2

Block and wiring diagram

AD-STVEX 710 GVD

Dimensions

AD-STVEX 710 GVD

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