Time-Out Value; Timer Stop; Timer/Counter Auto Reset; Output Reset With Display Reset - Omega Engineering PTC900 User Manual

Panel-mount programmable timer and real-time clock
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TIME-OUT VALUE

The Time-Out Value only appears when the Setpoint Action (
programmed for Timed Output mode (
is the Setpoint Output time duration, from activation to deactivation. This value
is always entered in minutes, seconds, and hundredths of seconds format. The
maximum Time-Out Value is 99 minutes 59.99 seconds.
PTC901: DAILY ON OCCURRENCE
This parameter only appears when the Setpoint is assigned (
Real-Time Clock Time display (
the week when the Setpoint output will activate.
Selecting
displays a sublist for choosing the days of the week. On all
days entered as
in the sublist, the output will activate. On all days entered
as
, the output will not activate. The output activation is repetitive, and will
occur every week on the chosen day(s).
DISPLAY
DESCRIPTION
Wednesday
Setpoint One-Shot Mode
If all days are set to
, the Setpoint will operate in "One-shot" mode. When
a One-shot setpoint is enabled (armed), the setpoint output will activate at the
set time and disable itself from activating again. To enable or re-enable a one-
shot alarm, go to the Setpoint value entry display and press the Up or Dn key
repeatedly while the AM/PM digit is selected (flashing). When the 2nd digit
decimal point is lit, the Setpoint is enabled. The Setpoint enable status is saved
at power-down. The enable state of the Setpoint is not affected or changed when
the Parameter List is exchanged.
The setpoint will turn off (de-activate) as programmed per the Setpoint
Action selected. If
mode is selected, program all the Daily Off days to
to have the Setpoint turn off at the next Daily Off Occurrence. The One-
shot status can also be viewed or set from the Setpoint Off value entry display.
PTC901: DAILY OFF OCCURRENCE
This parameter only appears when the Setpoint is assigned (
Real-Time Clock Time display (
is programmed for On-Off Output mode (
determines the days of the week when the Setpoint output will deactivate.
Selecting
displays a sublist for choosing the days of the week. On all
days entered as
in the sublist, the output will deactivate. On all days entered
as
, the output will not deactivate. The output deactivation is repetitive, and
will occur every week on the chosen day(s).
DISPLAY
to
). In this mode, the Time-Out Value
). This parameter determines the days of
FACTORY
Sunday
Monday
Tuesday
Thursday
Friday
Saturday
) and when the Setpoint Action (
). In this mode, this parameter
DESCRIPTION
FACTORY
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
) is
Timer stops when the Setpoint output activates (
Select
if the output should not affect the Timer Run/Stop status.
Stopping the Timer as a result of this parameter does not constitute a
condition (event) for the Setpoint On or Setpoint Off parameters.

TIMER/COUNTER AUTO RESET

When the Setpoint output activates (
) to the
automatically resets the Setpoint Assignment display (
Setpoint output should not cause the assigned display to reset. Does not apply
to manual activations or deactivations by user input, function key, or serial
communications.

OUTPUT RESET WITH DISPLAY RESET

When
is selected, the Setpoint output will reset when the Setpoint
Assignment display (
reset when the assigned display resets.
This parameter controls the illumination of the LED annunciator for the
corresponding Setpoint output (
Normal (
)
) –
Reverse (
) –
Flash (
Off (
)
) to the
Determines the on/off state of the Setpoint output at power-up. Regardless of
)
output logic setting (normal or reverse).
Deactivates the Setpoint output at power-up
Activates the Setpoint output at power-up
Restores the output to the state it was in prior to power-down
20

TIMER STOP

) or deactivates (
) resets. Select
if the Setpoint output should not
SETPOINT ANNUNCIATOR
) as follows:
Annunciator displayed when output is "on" (activated)
Annunciator displayed when output is "off" (deactivated)
Annunciator and display flashes when output is "on" (activated)
Annunciator disabled
SETPOINT POWER-UP STATE
) or deactivates (
).
), the meter
). Select
if the

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