Omega Vehicle Security OMP-MODL manual WARM-UP Function Icon, 11-85

11.. . APPENDIX A: MASTER ICON REFERENCE

WARM-UP FUNCTION ICON

The Warm-up icon is is a special two Output terminal icon. It immediately outputs a logic signal on one terminal upon receipt of an Update signal, then after a User programmed delay, passes the Update signal to its second Output.

The typical application for the Warm-Up icon is to provide control of a power supply for excitation of a sensor or transmitter and a short delay until the sensor/transmitter is read. The following example Net illustrates that application. Upon receipt of the Update command from the Sample Rate Clock, the Warm-up icon immediately cycles its Logic Output terminalTrue which turns on the connected Relay Alarm icon to power up a 24VDC power supply for the 4-20mA loop excitation. The icon then waits for a User defined period of time, then passes the Update command to the connected mA-Lo (4- 20ma) Input icon which then takes a sample. The next time the Net is executed, the power supply is turned OFF.

INPUTS:

Update: The icon immediately turns its Logic Output True when an Update command is received. The Output staysTrue until the User provided time expires.

Enable:Processing of the icon is allowed when the Enable pin is unconnected or when connected and Enable signal is TRUE.

OUTPUTS:

Output Signal 1: Logic type. The Logic Output turnsTrue and staysTrue immediately after receipt of an Update command.

Output Signal 2: Update type. The Update command is passed through the icon after a User defined delay (warm-up time).

USING THE OMP-MODL 11-85