Opticon NLV-5201 - External Trigger Signal Control

Chapter-6
Reading and Timing
NLV-5201 User's Manual
69
1st
External Trigger Signal Control
6.1.3
High/Low active of the external trigger signal can be selected.
Item
Command
Description
Default
Command trigger
YA
External trigger signal High active
YB
External trigger signal Low active

* For external trigger signal circuit, refer to Connect to the Host and loose end spec RS-232C.
By default, trigger signal and read time are synchronized. As long as TRIGn signal is active, the
scanner will read.
The start timing when effective read time (refer to 6.1.4) is set can be set as follows.
Item
Command
Description
Default
Effective read time
start timing
+O
Start from TRIGn signal end

+P
Start from TRIGn signal start
“Start from trigger signal end”
“Start from trigger signal start”
When external trigger signal is not used and if there is a possibility of noise generation, disable the
signal.
Item
Command
Description
Default
External trigger reception
Enable / Disable
[EGO
Q0
Disable external trigger signal reception
Q1
Enable external trigger signal reception

TRIGn
TRIGn signal duration
Scan time
TRIGn
TRIGn signal duration
Scan time
Read time option
TRIGn
TRIGn signal duration
Scan time
Read time option