AD-FM 250 GVC

Description

The frequency measuring converter AD-FM 250 GVC supplies an initiator or a contact and transforms its impulse sequence to a proportional impressed analogue signal. The output signal is independent from the connected load up to a maximum value. Furthermore, this series of devices is equipped with a configuration interface AD-PC as standard, with which the input and output measuring signal can be freely programmed with the programming software AD-Studio. Input, output and the supply voltage are separated from each other galvanically with high isolation.

AD-FM 250 GVC

Application

The main area of application is the through-flow measuring at water meters, further applications are energy consumption measuring etc.

Specific characteristics

Inputs: arbitrary Outputs: current and voltage Programming via configuration software

Business data

Order number
AD-FM 250 GVC

Information

Downloads
Data sheet pdf en-fm250gvc.pdf (139 kB)
Tender text zip fm250.zip (1 kB)
STEP file step gvc.step (4 MB)
Safety instructions pdf ad-safety-instructions.pdf (43 kB)

Technical specifications

Digital input
Input NAMUR (EN 60947-5-6), reed contact, open-collector, 3-lead opto-transmitteror 24V active
Input frequency Min. 0 ... 1 mHz; max. 0 ... 10 kHz
Frequency generator supply Active: ca. 13,5V (max. 13mA); NAMUR:8V/8mA
Contact debouncing Activatable, pulse duration > 40 ms
Output current
Output range 0 ... 20 mA; 4 ... 20 mA
Max. burden 500 Ohm
Residual ripple <50 µAss
Output voltage
Output range 0 ... 10 V, 2 ... 10 V
Min. burden 10 kOhm
Residual ripple <20 µVss
Accuracy
Unit 0,3%
Temperature influence <100 ppm / K
Response time Approx. 70 ms
Supply
Supply voltage 20 ... 253 V DC / 50 ... 253 V AC
Max. power consumption 2 W / 3,6 VA
Housing
Dimensions (WxHxD) 18x110x134mm
Type of protection IP 20
Connection method Detachable terminal clamp
Manner of fastening DIN rail 35mm (EN 50022)
Weight Ca. 130 g
Environmental conditions
Ambient temperature -10 ... 50 °C
Storage and transport -10 ... 70 °C (no condensation)
EMC
Product family standard EN 61326-1
Emitted interference EN 55011, CISPR11 Cl. B, Gr. 1
In a critical EMC environment, shielded encoder cables are recommended.
Galvanic isolation, test voltages
Input/output 2 kV RMS (1 min.)
Signal/auxiliary voltage 3 kV RMS (1 min.)

Block and wiring diagram

AD-FM 250 GVC

Dimensions

AD-FM 250 GVC

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