Omega Engineering LVCN-302 Скачать руководство пользователя страница 3

Security Levels / Selecting and Accessing Data

Operator access to data modifications has three modes of security: View Only, Set Point
Changes Allowed and Programming.  Each mode is selected from the back of the unit with a DIP
switch setting.

ON

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ON

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ON

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Programming Mode

This mode, #1 ON, allows you to
change all eight programmable
settings.  It is used for initial set-up
and installation.

Set Point Changes Allowed

This mode, #2 ON, allows you to
change all four set points:  the High &
Low Alarms, Make-up ON & Make-up
OFF.

View Only Mode

This mode, ALL OFF, prevents any
changes from being made. However,
all the information, except the
transducer range and transducer
offset, is available
by pressing SELECT.

Output Terminals

Output & Input Terminal Connections

(All terminal connections are plug in Phoenix type)

Power Supply

 3. 120 VAC - Com.

 2. Ground

 1. 120 VAC - Hot

Output

Terminals

Sensor Input

4. 4-20 mA (-)

3. 4-20 mA (+)

2. Ground

1. + 24 VDC Output

12. High Level N.C.

11. High Level Com

10. High Level N.O.

 9. Sump ON N.C.

 8. Sump ON Com

 7. Sump ON N.O.

  6. Low Level N.C.

  5. Low Level Com

  4. Low Level N.O.

  3. Sump ON N.C.

  2. Sump ON Com

  1. Sump ON N.O.

120 VAC

Power Supply

Power Supply

 3. 24 VDC - Neg (-)

 2. Ground

 1. 24 VDC - Pos (+)

(Unregulated)

24 Volt DC

Power Supply

NOTE: Terminal #1
provides power for
loop powered sensors.

10.0 amp

10.0 amp

10.0 amp

10.0 amp

#1-#3 Sump range
operates at same level
as #7-#9. Condiser it a
spare Form C sump
relay.

Содержание LVCN-302

Страница 1: ...125VAC noninductive Switching Mode Selectable NO or NC states Output Input Connections Terminal Connections are plug in Phoenix type Programmed Memory EEPROM Loss of power will not affect existing pro...

Страница 2: ...90 to 65 inches High and low alarm output circuits will be activated at 105 and 55 inches Transducer Range 138 0 inches H2O Transducer Height 11 0 Upper Limit of Window 110 0 Lower Limit of Window 50...

Страница 3: ...gh Low Alarms Make up ON Make up OFF View Only Mode This mode ALL OFF prevents any changes from being made However all the information except the transducer range and transducer offset is available by...

Страница 4: ...lay level needs to be entered using the INCREASE or DECREASE arrow This is the window or cross section of the tank you want to see displayed on the vertical bar display It is not a control or alarm le...

Страница 5: ...into your system device you have designed into your system 8 Entering the Low Alarm Level Press the SELECT button again the Low Level Alarm Point indicator LED on the graphic face and the top RED lin...

Страница 6: ...data in the EEPROM Interrupted 4 20 mA Signal from Sensor Whenever the 4 20 mA signal from the sensor device is lost because of an open wire or device malfunction an ERR3 ERR3 ERR3 ERR3 ERR3 message...

Страница 7: ...medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hol...

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