Page 21 - IDEC timer catalogue

Timers GT3A Series

GT3A-6 Timing Diagrams
Delayed DPDT
(A Type)
(Contact Input) (Transistor Input) (B Type)

n o p n o p Start Reset n o p Switches & Pilot Lights
Operation m q Reset Start Gate m q m q
Mode Selection Reset Start Gate
l r l r l r
k s k s k s
(-) (+) (-) (+) (-) (+)
j j j
POWER POWER POWER
Item Terminal Number Operation
Power 2 - 10 POWER
2 - 6 (A)
One-Shot 1 Start 5 - 7 (B) ON or L Display Lights
2 - 7 (A)
Input Reset ON or L
MODE 6 - 7 (B)
Gate 2 - 5 (A) ON or L
A 1 - 4
Delayed 8 - 11 (NC)
Contact 1 - 3
9 - 11 (NO)
POWER
Indicator
OUT
Set Time
Ta Ta T Ta T' T"
Item Terminal Number Operation
Power 2 - 10 POWER Relays & Sockets
2 - 6 (A)
One-Shot ON-Delay Start 5 - 7 (B) ON or L
2 - 7 (A)
Input Reset ON or L
MODE 6 - 7 (B)
Gate 2 - 5 (A) ON or L
B 1 - 4
Delayed 8 - 11 (NC)
Contact 1 - 3
9 - 11 (NO)
POWER
Indicator
OUT
Set Time
T T Ta T T T' T" Timers
Item Terminal Number Operation
Power 2 - 10 POWER
2 - 6 (A)
One-Shot 2 Start 5 - 7 (B) ON or L
2 - 7 (A)
Input Reset ON or L
MODE 6 - 7 (B)
Gate 2 - 5 (A) ON or L
C 1 - 4
Delayed 8 - 11 (NC)
Contact 1 - 3
9 - 11 (NO)
POWER
Indicator
OUT Terminal Blocks
Set Time
T Ta T T' T"
Item Terminal Number Operation
Power 2 - 10 POWER
2 - 6 (A)
Signal ON/OFF-Delay 3 Start 5 - 7 (B) ON or L
2 - 7 (A)
Input Reset ON or L
MODE 6 - 7 (B)
Gate 2 - 5 (A) ON or L
D 1 - 4
Delayed 8 - 11 (NC)
Contact 1 - 3
9 - 11 (NO)
POWER Circuit Breakers
Indicator
OUT
Set Time
T T Ta T' T" Ta Ta T

T = Set time Ta = Shorter than set time
T = T' + T"
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