GW Instek GDM-8261A - Use External Trigger

SCANNER (OPTIONAL)
119
Use External Trigger
Background
The GDM-8261A uses the internal trigger by default.
Using an external trigger allows customized triggering.
Signal
connection
Connect the external trigger signal to the Digital I/O
port located on the rear panel.
DB-9, female
Digital I/O pin
assignment
6
FAIL Out
7 8 9
1
2 3 4 5
High Limit FAIL Out
VCC Out
NC
PASS Out
External Trigger In
EOM Out
LOW Limit FAIL Out
Digital (chassis) Ground
Pin4
External Trigger Input pin
Activate external
trigger
Press the Shift key followed by the
Trig key. The EXT indicator appears
on the display.
/ EXITSHIFT
TRIG
INT/EXT
Start trigger
Press the Trig key to start triggering
manually. The reading indicator ( )
turns On.
TRIG
Reading indicator
The reading indicator stays On before triggering.
After triggering, the indicator flashes according to the
external signal trigger timing.
Exit external
trigger
Press the Shift key followed by the
Trig key. The EXT indicator
disappears and the trigger goes back
to the internal mode.
/ EXITSHIFT
TRIG
INT/EXT
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