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7

Signet 8450-3 Pressure Transmitter

Menu items will repeat for Loop 2 and Output 2.

Options Menu

Display

(Factory settings shown)

Description

Contrast:

3 >

Adjust the LCD contrast for best viewing. A setting of 1 is lowest contrast, 5 is highest.  Select 
lower contrast if the display is in warmer ambient surroundings.

Decimal

*****. >

Set the decimal to the best resolution for your application.  The display will automatically scale 
up to this resolution. Select *****., ****.*, ***.**, **.*** or *.****

Averaging

Off >

OFF provides the quickest output response to changes in 

fl

 ow. Longer averaging period 

produces more stable display and output response. Select LOW, HIGH or OFF.

Output1 Active

Low >

Active HIGH: This setting is used to turn a device (pump, valve) ON at the setpoint.
Active LOW: This setting is used to turn a device OFF at the setpoint.

Output2 Active

Low >

Loop1 Adjust

4.00 mA 

>

Adjust the minimum and maximum current output. Use this setting to match the system output 
to any external device. The display value represents the precise current output.
Adjustment limits:
• 3.80 mA < 4.00 mA > 5.00 mA 
• 19.00 mA < 20.00 mA > 21.00 mA

Loop1 Adjust

20.00 mA 

>

Test Loop 1:

 

>

Press UP or DOWN keys to manually order any output current value from 3.6 mA to 
21.00 mA to test current loop output.

Test Loop 2:

 

>

Test Output 1:

 

>

Press UP or DOWN keys to manually toggle the state of open collector output.

Test Output 2:

 

>

Содержание 8450-3

Страница 1: ...al panel cutout an adhesive template is provided as an installation guide Recommended clearance on all sides between instruments is 1 inch 2 Place gasket on instrument and install in panel 3 Slide mounting bracket over back of instrument until quick clips snap into latches on side of instrument 4 To remove secure instrument temporarily with tape from front or grip from rear of instrument DO NOT RE...

Страница 2: ...es two sensors the total length of cable connected to the transmitter is limited to 400 ft The 3 conductors from a dual sensor system can be tied together and then a single set of wires continued on to the transmitter For best performance ground the sensor SHIELD wire to a local earth ground at a point near the sensor Experiment with connecting the sensor shield wire to different local ground poin...

Страница 3: ...r 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 Cha...

Страница 4: ... variable moves below the setpoint plus the hysteresis value Hysteresis Time Low Setpoint Process Output energized Output de energized Hysteresis Time High Setpoint Process VIEW menu During normal operation the ProcessPro displays the VIEW menu When using the CALIBRATE or OPTIONS menus the ProcessPro will return to the VIEW menu if no activity occurs for 10 minutes To select the item you want disp...

Страница 5: ...diting Procedure Step 1 Press and hold ENTER key 2 seconds to select the CALIBRATE menu 5 seconds to select the OPTIONS menu Step 2 The Key Code is UP UP UP DOWN keys in sequence After entering the Key Code the display will show the first item in the selected menu Step 3 Scroll menu with UP or DOWN arrow keys Step 4 Press RIGHT ARROW key to select menu item to be edited The first display element w...

Страница 6: ... 20 mA output Pressure 1 Pressure 2 or Delta Pressure Pressure1 Pressure2 Loop 1 Range psi 0 0 100 0 Check the 2450 Sensor instructions for the range capability of your sensor Be sure to modify this setting if you change the Pressure Units Output 1 Source Pressure1 Select the INPUT SIGNAL represented by this Open Collector Output Pressure 1 Pressure 2 or the Delta Pressure Pressure1 Pressure2 Outp...

Страница 7: ...le display and output response Select LOW HIGH or OFF Output1 Active Low Active HIGH This setting is used to turn a device pump valve ON at the setpoint Active LOW This setting is used to turn a device OFF at the setpoint Output2 Active Low Loop1 Adjust 4 00 mA Adjust the minimum and maximum current output Use this setting to match the system output to any external device The display value represe...

Страница 8: ...641 Heavy duty wall mount bracket 3 5000 598 198 840 225 Surface Mount Bracket 3 9000 392 159 000 368 Liquid tight connector kit for rear cover includes 3 connectors 3 9000 392 1 159 000 839 Liquid tight connector kit NPT 1 piece 3 9000 392 2 159 000 841 Liquid tight connector kit PG13 5 1 piece Display Condition Possible Causes Suggested Solutions Check Sensor Sensor not wired properly Sensor con...

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