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PAX-1/8 데이터시트(PDF) 21 Page - Red Lion Controls. Inc |
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PAX-1/8 데이터시트(HTML) 21 Page - Red Lion Controls. Inc |
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21 / 32 page ![]() 21 PAXC & I: COUNTER AUTO RESET PAXI & R: SETPOINT ON DELAY PAXI & R: SETPOINT OFF DELAY PAXI & R: SETPOINT HYSTERESIS PAXC & I: SETPOINT ASSIGNMENT 21 SETPOINT ACTION : When not using a setpoint, it should be set to (no action). For Counter Assignments: With Timed Out action, the setpoint output activates when the count value equals the setpoint value and deactivates after the Time Out value. This action is not associated with Boundary types. With boundary action, the setpoint output activates when the count value is greater than or equal to (for = ) or less than or equal to (for = ) the setpoint value. The setpoint output will deactivate when the count value is less than (for = ) or greater than (for = ) the setpoint value. With Latch action, the setpoint output activates when the count value equals the setpoint value. The output remains active until reset. This action is not associated with Boundary types. For Rate Assignments: With Timed Out action, the setpoint output cycles when the rate value is greater than or equal to (for = ) or less than or equal to (for = ) the setpoint value. The Setpoint Time Out () and Setpoint On Delay () values determine the cycling times. With Boundary action, the setpoint output activates when the rate value is greater than or equal to (for = ) or less than or equal to (for = ) the setpoint value. The setpoint output will deactivate (Auto reset) as determined by the hysteresis value. With Latch action, the setpoint output activates when the rate value is equal to the setpoint value. The setpoint output remains active until reset. If after reset, the rate value is greater than or equal to (for = ) or less than or equal to (for = ) the setpoint value, the output will reactivate. Select the display that the setpoint is to be assigned. SETPOINT VALUE Enter the desired setpoint value. Setpoint values can also be entered in the Quick Programming Mode when the setpoint is configured as in Module 3. (See Module 2 for Exchange Parameter Lists explanation.) SETPOINT TRACKING If a selection other than NO is chosen, then the value of the setpoint being programmed (“n”) will track the entered selection’s value. Tracking means that when the selection’s value is changed, the “n” setpoint value will also change (or follow) by the same amount. SETPOINT BOUNDARY TYPE activates the output when the assigned display value ( ) equals or exceeds the setpoint value. activates the setpoint when the assigned display value is less than or equal to the setpoint. SETPOINT STANDBY OPERATION Selecting will disable low acting setpoints at a power up until the display value crosses into the alarm “off” area. Once in the alarm “off” area, the setpoint will function according to the configured setpoint parameters. to The hysteresis value is added to (for = ), or subtracted from (for = ), the setpoint value to determine at what value to deactivate the associated setpoint output. Hysteresis is only available for setpoints assigned to the Rate with boundary action. to This is the amount of time the Rate display must meet the setpoint deactivation requirements (below hysteresis for high acting and above hysteresis for low acting) before the setpoint’s output deactivates. to seconds This is the amount of time the Rate display must meet the setpoint activation requirements (below setpoint for = and above setpoint for = ) before the setpoint’s output activates. If the Rate Setpoint Action is Timed Out, this is the amount of time the output is off during the on / off output cycling. to seconds SETPOINT TIME OUT If the setpoint action is Timed Out and the setpoint is assigned to Rate, then this is the amount of time the output is on during the on / off output cycling. If the setpoint action is Timed Out and the setpoint is assigned to Count, then this is the amount of time the output will activate once the count value equals the setpoint value. This automatically resets the display value of the Setpoint Assignment () counter each time the setpoint value is reached. This reset may be different than the Counter’s Reset Action (x) in Module 1 or 5. to seconds SELECTION ACTION No auto reset. Reset to zero at the start of output activation. Reset to count load value at the start of output activation. Reset to zero at the end of output activation. ( action only). Reset to count load value at the end of output activation. ( action only). |
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