Install Instructions

Electronic Timing Relays 30072-453-03
Timing Functions Rev. 01, 07/2011
© 1991-2011 Schneider Electric All Rights Reserved2
ENGLISH
Off Delay Switch
and Power Trigger
Switch Trigger
Input voltage must be applied continuously.
When the trigger switch closes, the relay
contacts change state. When the trigger switch
opens, the time delay begins. When the delay
is complete, the contacts return to their shelf
state. If the trigger switch closes before the time
delay is complete, then timing is reset. When
the trigger switch opens, the delay begins
again, and the relay contacts remain in their
energized state. If the input voltage is removed,
the relay contacts return to their shelf state.
Adjustable Time
Delay
Fixed Time
Delay
JCK21–29 JCK2F•
Power Trigger
Adjustable Time
Delay
Fixed Time
Delay
JCK21PT–29PT JCK2F•PT
Multifunction Timers
JCK70
One Shot Switch
and Power Trigger
Switch Trigger
Input voltage must be applied continuously.
When the trigger switch closes, the relay
contacts change state and the pre-set delay
begins. During time-out, the trigger signal is
ignored. If the input voltage is removed, the
relay contacts return to their shelf state.
Adjustable Time
Delay
Fixed Time
Delay
JCK41–49 JCK4F•PT
Power Trigger
Adjustable Time
Delay
Fixed Time
Delay
JCK41PT–49PT JCK4F•PT
Multifunction Timer
JCK70
Repeat Cycle–Off
Adjustable Time
Delay
Fixed Time
Delay
When input voltage is applied, the time delay
T1 begins. When time delay T1 is complete, the
relay contacts change state for time delay T2.
This cycle repeats until the input voltage is
removed. The trigger switch is not used in this
function.
NOTE: Two dials are provided for
independently adjustable repeat cycle timing
ranges. For JCK70 timing relay, T1 equals T2.
JCK51–59 JCK5F•
Multifunction Timer
JCK70
Repeat Cycle–On
Multifunction Timer
When input voltage is applied, the relay
contacts change state immediately and time
delay T1 begins. When time delay T1 is
complete, the contacts return to their shelf state
for time delay T1. This cycle repeats until the
input voltage is removed. The trigger switch is
not used in this function.
JCK70
On/Off Delay
Multifunction Timer Upon application of input voltage, the time
delay relay is ready to accept trigger signals.
When the trigger switch closes, a pre-set On
delay begins. At the end of the On delay, the
relay contacts change state. When the trigger
switch opens, the relay contacts remain in the
current state until the pre-set Off delay elapses.
At the end of the Off delay, the relay contacts
return to their shelf state. The cycle can be
repeated by re-closing the trigger switch after
the timing cycle ends.
If the trigger switch opens before the On delay
elapses, the relay remains in its shelf state, and
the delay timer resets. If the trigger switch re-
closes before the Off delay elapses, the relay
remains in its changed state, and the delay
timer resets.
JCK70
Table 1: 9050JCK• Electronic Timing Functions (continued)
Function Applies To Description Timing Diagram
ON
OFF
CLOSED
OPEN
ON
OFF
Input
Voltage
Trigger
Switch
Relay
Contacts
DELAY
DELAY
DELAY
Trigger
Switch
CLOSED
OPEN
ON
OFF
Input
Voltage
ON
OFF
Relay
Contacts
DELAY
DELAY
Voltage
ON
OFF
ON
OFF
T2T1
T1
T2
Contacts
Relay
Input
ON
OFF
ON
OFF
Input
Voltage
Relay
Contacts
T1
T1 T1
T1
ON
OFF
ON
OFF
Trigger
Switch
CLOSED
OPEN
Input
Voltage
Relay
Contacts
T1
T1