Gf-signet 2551 Magmeter Flow Sensor - Display Bedienungsanleitung PDF herunterladen (Seite 5)

52551 Magmeter

5. Wiring

5.1 Basic Wiring

2551 Magmeter

4.5-26.4

VDC

Relay 1

Relay 2

NO1

NO2

NO3

NC1

NC2

NC3

Relay 3

V+

V-

+ VDC

- VDC

Aux Pwr

Frequency Out

Frequency ÷ 10 Out

(5 to 26.4 VDC)

**********************

Digital (S L) Out

(4.5 to 6.5 VDC)

Auxiliary Power for:

Display backlighting

Relay Coils

Ground

Signal

5-24 VDC

Ground

Not used

Open Collector Out

2551 Magmeter

4 to 20 mA output

The 3-2551-22 and -42 Magmeters provide a passive 4 to 20 mA

loop output.

• External loop power (24 VDC) is required.

• Factory standard calibration is 4 - 20 mA = 0 - 5 m/s.

• The 4 to 20 mA output can be spanned to any range, from

-10 m/s to +10 m/s.

• AUX PWR must be connected to power the display backlighting

and to power to the relay coils if included.

5.2 Wiring: Mirror Relay 1 output

The 3-2551-21 and -41 Magmeter can be con gured in the

OPTIONS menu to provide an Open Collector output in lieu of

the sensor signal provided by Frequency or Digital (S

L) output

selections. The Open Collector output can be programmed via the

Relay 1 menu.

Frequency output

3-2551-21 and -41 Magmeters may be programmed in the

OPTIONS menu to provide an open collector FREQUENCY

output.

• The maximum frequency output is 1000 Hz (@ 10 meters

per second)

• If the Frequency ÷ 10 output is selected, the maximum

frequency is 100 Hz (@ 10 meters per second).

• AUX PWR must be connected to power the display backlighting

and to power the relay coils if included.

5.3 2551 and other manufacturer's instruments

When using the 2551 in a system with other manufacturer's

equipment, a 10 K pull-up resistor (not supplied) may be

required to power the open collector output.

Frequency Out

2551 Magmeter

24 VDC

NO3

NC3

Relay 3

V+

V-

5-24 VDC

Ground

Aux Pwr

Sensr Gnd

(SHIELD)

Sensr IN

(RED)

Non-Signet

Flow Instrument

Ground

Frequency Input

5-24 VDC Out

Auxiliary Power for:

Display backlighting

Relay Coils

10 KΩ

Pull-up Resistor

2551 Magmeter

Relay 1

Relay 2

NO1

NO2

NO3

NC1

NC2

NC3

Relay 3

V+

21.6 to

26.4 VDC

V-

+ VDC

- VDC

Aux Pwr

4-20 mA Loop Output

Auxiliary Power for:

Display backlighting

Relay Coils

1 2 3 4 5 6 7 8 9 10 ... 19 20

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