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8.10 External Trigger Function
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Voltage range
High level: 2.5 to 5.0 V, Low level: 0 to 1.0 V
Pulse width
High level: Min. 1 ms, Low level: Min. 2
μ
s
Maximum input voltage
-5 to 10 V
Recommended wire
Single strand: 1.0 mm dia. (AWG #18)
Multi-strand: 0.75 mm
2
Usable limits
Single strand: 0.3 to 1.0 mm dia.
(AWG #26 to #18)
Multi-strand: 0.3 to 0.75 mm
2
(AWG #22 to #20)
Strand diameter: minimum 0.18 mm
Standard insulation
stripping length
10 mm
10 k
Ω
5 V
200
Ω
GND
EXT TRIG
HIGH
2.5 to 5.0V
LOW
0 to 1.0V
2
μ
s or more
1 ms or more
2200 pF
NOTE
The external trigger input (EXT TRIG) cannot be used, unless
the external trigger is enabled on the Extended Trigger Screen.
Signal Input
Triggering can be executed by shorting the external trigger
terminal to ground, or at the transition from a high logic
level (2.5 to 5.0V) to low level (0 to 1.0V).
1. Push the tab with a flatblade screwdriver or
similar.
2. While keeping the tab depressed, insert a
stripped wire into the connector opening.
3. Release the tab to lock the wire.
