Rev. 1.2
8. Inputting an External Trigger
*Input Signal and Photo coupler
The input signal from the external trigger input connector can be used to control the photo coupler
inside the Unit to turn the LED Light Units ON and OFF or to control strobe timing.
Trigger H/L
Logic Switch
Input signal
Photo coupler
ON/OFF Mode
Strobe Mode
H
HIGH
LOW
OFF
ON
Light Units ON
Light Units OFF
Lights Units ON for the set time
No change
L
HIGH
LOW
OFF
ON
Light Units OFF
Light Units ON
No change
Lights Units ON for the set time
*When operating trigger signal input and communication used External trigger input connector at same time in ON/OFF mode.
When Trigger logic switch is at H : if either controls setting, Light unit will be turned OFF.
When Trigger logic switch is at L : if either controls setting, Light unit will be turned ON.
*Connector Layout
External Trigger Input Connector Plug
*External Trigger Signal Connection Example
Signal Specifications
Rated input voltage
Maximum input voltage
ON voltage/ON current
OFF voltage/OFF current
ON/OFF response time
Input impedance
24 VDC
26.4 VDC
14.4 VDC min./3 mA max.
5 VDC max./1 mA max.
10 μs max.
7.5kΩ(per terminal)
TRIG. IN
1
2
3
10
5
7
9
4
6
8
Exte rn al Circ u its
VLP- 2 4 3 0 - 4 Con tro l Un it
1
2
Light Unit ON/OFF
control input
CH1
Light Unit ON/OFF
control input
CH2
COMMON
10
Transistor (NPN)
open collector
Transistor (NPN)
open collector
24 VDC
7.5kΩ
7.5kΩ
22kΩ
22kΩ
3
Light Unit ON/OFF
control input
CH3
Transistor (NPN)
open collector
7.5kΩ
22kΩ
4
Light Unit ON/OFF
control input
CH4
Transistor (NPN)
open collector
7.5kΩ
22kΩ
NO
Signal
Cable
Wire color
1
Light Unit ON/OFF
control input CH1
Black
2
Light Unit ON/OFF
control input CH2
Black/White
3
Light Unit ON/OFF
control input CH3
Brown
4
Light Unit ON/OFF
control input CH4
BROWN/WHITE
5 to 9
No used
---
10
Yellow/Black
VLC-2430-4
