Omega Engineering LVCN-302 Security Levels / Selecting and Accessing Data, Programming Mode

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.

Programming Mode

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

1

2

3

4

ON

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.

1

2

3

4

ON

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.

1

2

3

4

ON

Output & Input Terminal Connections

(All terminal connections are plug in Phoenix type)

Output

Terminals

	Output Terminals
12.		High Level N.C.	amp
	11. High Level Com
			10.0
10.		High Level N.O.
	9. Sump ON N.C.		amp
	8. Sump ON Com
			10.0
	7. Sump ON N.O.
6.		Low Level N.C.	amp
5.		Low Level Com
			10.0
4.		Low Level N.O.
	3. Sump ON N.C.		amp
	2. Sump ON Com
			10.0
	1. Sump ON N.O.

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

120 VAC

Power Supply

Power Supply

3.120 VAC - Com.

2.Ground

1. 120 VAC - Hot

24 Volt DC

Power Supply

(Unregulated)

Power Supply

3.24 VDC - Neg (-)

2.Ground

1.24 VDC - Pos (+)

Sensor Input

4.4-20 mA (-)

3.4-20 mA (+)

2.Ground

1.+ 24 VDC Output

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