Cut Sheet

160
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Delay-on-Make/Delay-on-Break: (ProgramaCube
®
Function MB)
(ON-delay/OFF-delay, Delay on Operate/Delay on Release, Sequencing ON & OFF, Fan Delay,
Prepurge & Postpurge)
OPERATION: Input voltage must be applied at all times. The output (relay or solid state) is de-
energized. Upon closure of the S1 initiate switch, the delay-on-make time delay (TD1) begins. At
the end of TD1, the output (relay or solid state) energizes. Opening S1 starts the delay-on-break time
delay (TD2). At the end of TD2, the output de-energizes.
RESET: Removing input voltage resets time delays and the output.If S1 is a) opened during TD1,
then TD1 is reset and the output remains de-energized. b) reclosed during TD2, then TD2 is reset
and the output remains energized.
See: HRPD, KRPD, KSPD, NHPD
Extra Functions Included in Some Delay-on-Make/Delay-on-Break Timers:
Instantaneous Contacts:
Some DOM/DOB timers have a set of instantaneous contacts in addition to the delayed contacts.
Instantaneous contacts energize when input voltage is applied and remain until voltage is removed.
Delay-on-Make/Interval: (ProgramaCube
®
Function MI)
(Single Pulse Generator, Delayed Interval, Delay on Operate/Single Pulse on Operate)
OPERATION: Upon application of input voltage, the delay-on-make time delay (TD1) begins, the
output remains de-energized. At the end of this delay, the output (relay or solid state) energizes
and the interval delay (TD2) begins. At the end of the interval delay (TD2), the output de-energizes.
RESET: Removing input voltage resets the output, the time delays and returns the sequence to the
rst delay.
See: ESD5, HRPD, KRPD, KSPD, NHPD, TRDU
Delay-on-Make/
Delay-on-Break
Accumulative Delay-on-Make/Interval: (ProgramaCube
®
Function AMI)
Accumulative Delay-on-Make/
Interval
OPERATION: Input voltage must be applied before and during timing. The output is de-energized before
and during the TD1 time delay. Each time S1 closes, the time delay progresses; when it opens, timing stops.
When the amount of time S1 is closed equals the full TD1 delay, the output (relay or solid state) energizes
for TD2. Upon completion of TD2, the output relay de-energizes. Opening S1 during TD2 has no affect.
RESET: Removing input voltage resets the time delay, output relay, and the sequence to the rst delay.
See: HRPD, KRPD, KSPD, NHPD
TD1, TD2 = Time Delay
NO = Normally Open
NC = Normally Closed
Delay-on-Make/
Interval
= Undened Time
Legend
V = Voltage
S1 = Initiate Switch
R = Reset
Timer Functions
Two Functions in One Timer
Appendix A - Timer Functions