Omega Speaker Systems DPF700 Setting UP the DUAL-RELAY Option Board, LO Alarm, HI Alarm, Hys

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2.2 SETTING UP THE DUAL-RELAY OPTION BOARD

You may enter a setpoint from -99999 to 999999 with a decimal point in any of the following positions: 9.9.9.9.9.9. After applying the scale factor and offset, the displayed measurement is compared to the setpoint values.

LO ALARM

Displayed value is less than Setpoint LO

HI ALARM

Displayed value is more than Setpoint HI

HYSTERESIS

Relay 2 is energized when display value is more than Setpoint HI. Relay 2 is not energized when display value is less than Setpoint LO

Setpoint Example:

Setpoint HI is 500.0 and Setpoint LO is 100.0.

Reading changes from 0 to 600 and back to 0.

Figure 10-2 on the following page illustrates Table 2-1.

Table 2-1. Setpoint Example

		Alarm Status
Reading	LO (Relay 1)	HI (Relay 2)	HYS
0	On	Off	Off
99.9	Off	Off	Off
300	Off	Off	Off
500.0	Off	Off	Off
500.1	Off	On	On
600	Off	On	On
500.1	Off	Off	On
100 - 500	Off	Off	On
99.9	On	Off	Off
0	On	Off	Off

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