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Hyst, T-on, T-off – Red Lion PAX2D User Manual

Page 19: T-out, Shot, Auto, Reset, Rst-sn

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19

HYSTERESIS VALUE

0

to

59999

The hysteresis value is added to (for tYPE = LO-ACt), or subtracted from (for

tYPE

= HI-ACt), the setpoint value to determine at what value to deactivate the

associated setpoint output. Hysteresis is only available for Rate assigned

setpoints.

ON TIME DELAY

0.00

to

599.99

seconds

This is the amount of time the assigned Rate display must meet the setpoint

activation requirements (below setpoint for Low Acting and above setpoint for

High Acting), before the setpoint 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. This parameter is only available for Rate assigned setpoints.

OFF TIME DELAY

0.00

to

599.99

seconds

This is the amount of time the assigned Rate display must meet the setpoint

deactivation requirements (below hysteresis for High Acting and above

hysteresis for Low Acting), before the setpoint output deactivates. This

parameter is only available for Rate assigned setpoints.

OUTPUT TIME-OUT

0.00

to

599.99

seconds

If the setpoint action is Timed Out and the setpoint is assigned to Counter,

then this is the amount of time the output will activate once the count value

equals the setpoint value. 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 Rate Timed Output One-Shot mode is enabled, then this

is the time duration for the one-shot output pulse.

RATE TIMED OUTPUT ONE-SHOT

NO YES

If the setpoint action is Timed Out and the setpoint is assigned to Rate, select

YES

to have the output activate for a single pulse (one-shot) when the assigned

Rate display meets the setpoint activation requirements. Select NO for ON / OFF

output cycling per the “Setpoint (Alarm) Figures For Rate” diagram.

COUNTER AUTO RESET

NO

ZEr-St

CLd-St

ZEr-En

CLd-En

This automatically resets the display value of the Setpoint Assigned Counter

each time the setpoint value is reached. The automatic reset can occur at output

start or output end if the setpoint output action is programmed for timed output

mode. The counter may be reset to zero or the count load value. This reset may

be different from the counter reset action programmed in the Input Parameter

(INPUt) menu section.

SELECTION

ACTION

NO

No Auto Reset

ZEr-St

Reset to Zero at the Start of output activation

CLd-St

Reset to Count Load value at the Start of output activation

ZEr-En

Reset to Zero at the End of output activation

(timed out only)

CLd-En

Reset to Count Load at the End of output activation

(timed out only)

OUTPUT RESET WITH COUNTER RESET

NO

YESs

Selecting YES causes the Setpoint output to deactivate (reset) when the

Setpoint Assigned Counter is reset. The only exception is when the assigned

counter is reset by a setpoint generated counter auto reset.

OUTPUT RESET AT Sn+1

NO Sn-Str Sn-End

Selecting Sn-Str causes the setpoint output to deactivate (reset) when

setpoint Sn + 1 activates. (Example: S1 deactivates when S2 activates, and S4

when S1 activates.) The last setpoint will wrap around to the first.

Selecting Sn-End causes the setpoint output to deactivate (reset) when

setpoint Sn + 1 activates and then times out (deactivates). This selection only

applies if the Sn + 1 setpoint action is Timed Out. (Example: S1 deactivates

when S2 is activated and then times out.) The last setpoint will wrap around to

the first. This parameter is only available for Counter assigned setpoints.

Setpoint (Alarm) Figures for Rate

(For Reverse Logic, The Alarm state is opposite.)

HYSt

0

Sn

t-ON

0.00

Sn

t-OFF

0.00

Sn

t-OUt

1.00

Sn

1-SHOt

NO

Sn

AUtO

NO

Sn

rESEt

NO

Sn

RSt-Sn

NO

Sn

LOW ACTING WITH NO DELAY

HIGH ACTING WITH NO DELAY