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GF Signet 8450 Pressure Transmitter User Manual

Page 3

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3

Signet 8450-3 Pressure Transmitter

16

15

14

13

12

11

Signet 2450

Pressure Sensors

Terminals

White (Snsr 2 Gnd)

Red (Snsr 2 IN)

Black (Snsr 2 V+)

White (Snsr 1 Gnd)

Red (Snsr 1 IN)

Black (Snsr 1 V+)

3.1 Sensor Input Connections

-

+

+
-

+
-

-
+

-

+

+
-

-
+

-
+

-

+

+
-

+

-

-

+

6

5

4

3

2

1

6

5

4

3

2

1

6

5

4

3

2

1

6

5

4

3

2

1

6

5

4

3

2

1

*

Example: Two transmitters connected to PLC/Recorder with separate power supply

Loop 2 -

Loop 2 +

System Power Loop 1 -

System Power Loop 1 +

AUX Power -

AUX Power +

Loop 2 -

Loop 2 +

System Power Loop 1 -

System Power Loop 1 +

AUX Power -

AUX Power +

PLC or Recorder

Channel 3
4-20 mA in

Channel 4
4-20 mA in

Transmitter 1

Terminals

Transmitter 2

Terminals

Channel 1
4-20 mA in

Channel 2
4-20 mA in

Power

Supply

12-24 VDC

*

*

*

* *

*

*

*

Stand-alone application, no current loop used

Transmitter

Terminals

Power

Supply

12-24 VDC

Connection to a PLC with built-in power supply

Internal

PLC Connection

Connection to a PLC/Recorder, separate supply

PLC or Recorder

Loop 2 -

Loop 2 +

System Power Loop 1 -

System Power Loop 1 +

AUX Power -

AUX Power +

Transmitter

Terminals

Loop 2 -

Loop 2 +

System Power Loop 1 -

System Power Loop 1 +

AUX Power -

AUX Power +

Transmitter

Terminals

Loop 2 -

Loop 2 +

System Power Loop 1 -

System Power Loop 1 +

AUX Power -

AUX Power +

Power

Supply

12-24 VDC

PLC Terminals

Channel 1

4-20 mA

Power

Supply

12-24 VDC

Channel 2

4-20 mA

Channel 2

4-20 mA

Channel 1

4-20 mA

NC

NC

AUX power required only where two sensors are used

AUX power required only where two sensors are used

AUX power required only where two sensors are used

AUX power required only where two sensors are used

3.2 System Power/Loop Connections

A

B

A

B

C

Signet Pressure

Transmitter

Pressure Cal:

0.0 psi >

ENTER

Signet Pressure

Transmitter

Pressure Cal:

0.0 psi >

ENTER

Transmitter

A + B

” 122 m (400 ft.)

J-box

Transmitter

A + B + C

” 122 m (400 ft.)

Signet Pressure

Transmitter

Pressure Cal:

0.0 psi >

ENTER

Transmitter

” 122 m (400 ft.)