In-Situ Con TROLL PRO Operators Manual (purchased before 10 May 2012) - Manual (Page 22)

22 Outputs and Relays
4.2.1 Notes About Alarms, Setpoints, and Deadband Values
In high alarm mode:
• The relay is turned on if the current reading is equal to or greater than the
setpoint value.
• The relay is turned off if the current reading is less than or equal to the setpoint
minus the deadband (Figure 8).
FIGURE 8. High alarm relay behavior
In low alarm mode:
• The relay is turned on if the current reading is equal to or less than the setpoint
value.
• The relay is turned off if the current reading is greater than or equal to the
setpoint plus the deadband (Figure 9).
FIGURE 9. Low alarm relay behavior
4.3 HOLD (PAUSE) THE OUTPUTS
Occasionally, you may wish to temporarily pause the outputs.
1. Select the Main menu, Hold Outputs. All measurement updates will stop and the
current values and outputs will be held until you select Resume.
2. You can use the View function and arrow keys to scroll through the parameters
on Line 1 and Line 2.
Time
Parameter value
Relay ON
Relay OFF
High Alarm
Deadband
Setpoint
Time
Parameter value
Relay ON
Relay OFF
Low Alarm
Deadband
Setpoint