AD-FM 300 GT, AD-FM 600 GT

Description

The AD-FM 300 GT (1-channel) and AD-FM 600 GT (2-channel) are freely programmable frequency/analog measuring transducers with integrated display unit. Due to its multifunctional processing of the input frequency and the up to 2 analog outputs (current/voltage) per channel or the evaluable digital outputs, the device is optimally suited for the display of instantaneous flow rates with simultaneous evaluable counting pulse output for water meters with main and sub meters. Especially for large water meters with bypass, a scaled summation is integrated in the AD-FM 600 GT. Both the instantaneous flows and the counted quantities are output. A low level suppression is shiftable.

AD-FM 300 GT, AD-FM 600 GT

Application

The main area of application is the through-flow measuring at water meters. Further applications are the measuring of rotation speed or energy consumption.

Specific characteristics

1 (AD-FM 300 GT) or 2 (AD-FM 600 GT) channels in just one housing Inputs: NAMUR, contact, open collector, 3-conductor Opto, 24V activ Analog outputs: each channel 1 current and 1 voltage (synchronous) Digital outputs: relay respectively optocouple (puls function or limit contact) Scaled summation and shiftable low level suppression Programming directly on the device or free programming software DIN rail mounting

Business data

Order number
AD-FM 300 GT 1 relay output
AD-FM 300 GTO 1 semiconductor output
AD-FM 600 GT 2 relay outputs
AD-FM 600 GTO 2 semiconductor outputs
Accessory (optional)
USB programming adapter AD-VarioPass / AD-Studio
Identifiers
EClass 27210128
Customs Tariff Number 8543 70 90

Information

Downloads
Data sheet pdf en-fm600gt.pdf (501 kB)
Tender text zip fm600gt.zip (2 kB)
STEP file step gt9.step (6 MB)
Safety instructions pdf ad-safety-instructions.pdf (43 kB)

Technical specifications

Digital inputs
Input NAMUR (EN 60947-5-6), reed contact, open-collector, 3-lead opto-transmitteror 24V active
Input frequency Min. 0 ... 10 mHz; max. 0 ... 10 kHz
Frequency generator supply Active: max. 10V/10mA; NAMUR:8V/8mA
Contact debouncing Activatable, pulse duration > 40 ms
Current outputs
Output range 0 ... 20 mA; 4 ... 20 mA
Max. burden 400 Ohm
Residual ripple < 50 µAss
Voltage outputs
Output range 0 ... 10 V, 2 ... 10 V
Min. burden 10 kOhm
Residual ripple < 20 µVss
Relay outputs
Maximum switching load AC 250 V, 2 A
Maximum switching load DC 50 V, 2 A
Contact construction Changeover contact
Switching operations mechanical 10000000
At 230V/2A AC, cos(phi)=1 600000
At 230V/2A AC, cos(phi)=0,4 200000
At 24V/1 A DC 200000
Display
Graphic-LCD 122x32 Pixel, background lit
Digital display 5-digit, can be configured
Display functions each channel Input frequency, scaled instantaneous measuring value, quantity impulse, scaled dimension as quasi analogue bar
Accuracy
Unit 0,3%
Temperature influence <100 ppm / K
Update rate 1 s
Supply
Supply voltage 20 ... 253 V DC / 50 ... 253 V AC
Max. power consumption 4,5 W / 7,5 VA
RS485-Bus
Software protocol Modbus-RTU
Data format 19200, e, 8, 1
Max. bus users 247
Bus termination 120 ohms both sides at the end
Max. length of bus 500 m (no stubs)
Cable Twisted and shielded
Housing
Dimensions (WxHxD) 105x90x58 mm
Type of protection IP 20
Connection method Screw clamp
Terminals, wire cross section 2,5 mm² flex wire / 4 mm² one wire
Bolting torque terminals 0,6 Nm
Skinning length 6 mm
Weight ~ 300 g
Manner of fastening 35 mm DIN rail
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.
Electrical safety requirements
Product family standard EN 61010-1
Overvoltage category II
Pollution degree 2
Galvanic isolation, test voltages
Input/output 1 kV RMS (1 min.)
Signal/auxiliary voltage 3 kV RMS (1 min.)

Block and wiring diagram

AD-FM 300 GT, AD-FM 600 GT

Dimensions

AD-FM 300 GT, AD-FM 600 GT

Circuit examples

AD-FM 300 GT, AD-FM 600 GT

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