T3DDT0 GIC, T3DDT0 Datasheet - Page 23

• Manufacturer Part Number: T3DDT0
• Description: TIME SWITCH, ASTRO, 3-PHASE CONTROL
• Manufacturer: GIC

Specifications of T3DDT0

• Contact Style: SPST
• Contact Current Max: 8A
• Controller Output: Digital
• Rohs Compliant: Yes

Operating Modes / Functions
22
MULTIFUNCTIONAL
ON DELAY
(RETENTIVE/NO VOLT)
STAR - DELTA
ASYMMETRICAL
ON/OFF
TRUE OFF DELAY
ON DELAY
CYCLIC
INTERVAL
OFF DELAY
SUPPLY
INST. RELAY
Supply
Relay
Supply
Relay
Supply
Supply
Relay R1, R2
Relay R2
MODE
Supply
Relay
MODE
Set Time
<
<
t1
T
<
RELAY
RELAY
RELAY
CONTROL
SIGNAL
RELAY
T= t1 + t2 + t3
FUNCTION
FUNCTION
Ton
<
t2
T
<
Tp
Pause Time
T
T
T
Toff
<
T
t3
T
T
<
<
DLY
INST
• Delay on Energisation (ON Delay):
• Cyclic Instant (Equal ON/OFF):
• Interval Timer:
• (Signal)-Off delay:
• Star - Delta:
• Asymmetrical ON/OFF (Cyclic Instant):
• True Off Delay:
• On Delay (Retentive):
when timer receives supply. The output relay energises at the end
of the pre-set time
on and off repeatedly for the set time. Cycle starts with relay in
energised condition. By removing supply, the relay gets reset.
the state for the time set. After completion of set time, output
relay de-energises. By switching off supply, the Timer gets de-
energised & is ready for the next cycle of the operation.
condition. When control input is given through control contacts,
relay is energised. Delay period commences when control input
is removed. At the end of set time, relay is de-energised and load
is desconnected.
Delta connections. On energisation, the output star relay
energises instantly. After completion of preset delay time, output
Delta relay energises after fixed pause time. This pause time (60,
90, 120, 150
pause and simultaneously ensures smooth change over.
independently selected from 0.1 Sec. to 10 Hrs. On energisation,
relay output is on and off repeatedly for the respective set times.
Cycle starts with relay is energised condition. By removing
supply, the relay gets reset.
Timing delay period commences when supply to the true off
delay Timer goes OFF. The O/P Relay de-energises at the end of
pre-set time.
receives supply. The output relay energises at the end of the pre-
set time. If power fails during set time, the elapsed time will
retained by timer. Upon resumption of power, remaining cycle
will continue.
±20 ms
The timer has a fixed transition time from Star to
On energisation of Timer, Output relay changes
On energisation the Relay O/P is in ON Position.
) provides the shortest possible 'current off'
Timer is energised and relay is in Off
The set time (Delay) starts when timer
On energisation, relay output is
The set time (Delay) start
ON/OFF, can be