background image

5

Signet 8450-2 Pressure Transmitter

Relay1 Setpnt:

1

0.00 psi

Relay1 Setpnt:

0

0.00 psi

ENTER

Relay1 Setpnt:

0

0

.00 psi

Relay1 Setpnt:

09.00 psi

Relay1 Setpnt:

Saving

Relay1 Setpnt:

09.00 psi >

Notes on Steps 5 and 6:

•  All output functions remain active during editing.
• Only 

the 

fl

 ashing element can be edited.

•  RIGHT ARROW key advances the 

fl

 ashing element in a continuous loop.

•  Edited value is effective immediately after pressing ENTER key.
•  If no key is pressed for 10 minutes unit will restore the last saved value and return to step 3.
•  Step 6 (pressing ENTER key) always returns you to Step 3.
•  Repeat steps 3-6 until all editing is completed.

Notes on Step 2:

If no key is pressed for 5 minutes while display is showing "Enter 
Key Code", the display will return to the VIEW menu.

Notes on Steps 3 and 4:

•  Refer to pages 6 and 7 for complete listing of menu items and their use.
•  From the Step 3 display, pressing the UP and DOWN keys simultaneously will 

return the display to the VIEW menu.

•  If no key is pressed for 10 minutes, display will also return to the VIEW menu.

ProcessPro Editing 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 

fi

 rst 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 

fi

 rst display element will begin 

fl

 ashing.

Step 5.

  Press UP or DOWN keys to edit the fl ashing element.

 

 

• RIGHT ARROW key advances the 

fl

 ashing element.

Step 6. 

 Press ENTER key to save the new setting and return to Step 3.

2s

5s

ENTER

OPTIONS

CALIBRATE

VIEW 

Press & 
hold for  
access: 

Step 5

Step 6

Notes on Step 1:

•  The View Menu is normally displayed.
•  The CALIBRATE and OPTIONS menus require a KEY CODE.

Step 4

First item in CALI-
BRATE menu

Step 3

Step 3:  Finished Editing?

Press the UP and DOWN keys simultaneously after 
saving the last setting to return to normal operation.

Press the UP and DOWN keys simultaneously 
while any element is 

fl

 ashing.  This will recall the 

last saved value of the item being edited and 
return you to Step 3.

Step 5: Made an Error?

CALIBRATE: ----

Enter Key Code

CALIBRATE: *---

Enter Key Code

CALIBRATE: **--

Enter Key Code

CALIBRATE: ***-

Enter Key Code

psi    >

Pressure Units:

 10.00 psi  >

Relay1 Setpnt:

psi   >

Pressure Units:

Summary of Contents for 8450-2

Page 1: ...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 RELEASE Press quick clips outward and remove 3 8450 090 2 Rev J 11 11 English 3 8450 090 2 English Signet Pressure Transmitter Pres...

Page 2: ...chanical damage Seal cable entry points to prevent moisture damage Only one wire should be inserted into a terminal Splice double wires outside the terminal The cable length from the sensor to the transmitter must not exceed 400 ft 122 m 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 differe...

Page 3: ...System Pwr Loop AUX Power AUX Power Loop Input 4 to 20 mA System Pwr Loop System Pwr Loop AUX Power AUX Power System Pwr Loop System Pwr Loop AUX Power AUX Power Example Two transmitters connected to PLC Recorder with separate power supply PLC or Recorder Transmitter 1 Terminals Transmitter 2 Terminals Power Supply 12 to 24 VDC Connection to a PLC with built in power supply Internal PLC Connection...

Page 4: ...utput The relay output can be used as a switch that responds when the process value moves above or below a setpoint Low Output energizes when process variable is less than the setpoint The output will be de energized when the process variable moves above the setpoint plus the hysteresis value High Output energizes when process variable is greater than the setpoint The output will be de energized w...

Page 5: ...edure 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 will begin f...

Page 6: ...y of your sensor Be sure to modify this setting if you change the Pressure Units Relay 1 Mode Low Select the desired mode of operation for the relay 1 output Options available are High or Low The signal may be disabled Off if not used Relay 1 Setpnt 10 0 psi In Low or High Mode the relay output 1 will be activated when the pressure reaches this value Be sure to modify this setting if you change th...

Page 7: ...se to changes in pressure Longer averaging period produces more stable display and output response Loop 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 Loop Adjust 20 00 mA Test Loop Press UP or ...

Page 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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