Read Time; Trigger Signal Control; Figure 31: Trigger Signal Control - Opticon MDI-4000 Series Serial Interface Manual

Read Timing Symbol Descriptions
Symbol Description
t GR_LEDn signal period
1
t BUZZERn signal period
2
*1
You can configure the GR_LEDn signal period. For more information, see
*2
You can configure the BUZZERn signal period. For more information, see
5.6.1

Read Time

Read time sets the amount of time for one readout operation. The operation starts when the
trigger signal is on or when the readout command "Z" is sent. If no data is output within the
specified time, the readout operation stops.
Read Time Setting Commands
Command
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
YL
YM
When auto trigger is enabled and read time is set to "Y0," the read time is automatically set by image processing.
*
5.6.2

Trigger Signal Control

By default, the TRIGn signal determines the read time. When the TRIGn signal is low, the scan
engine reads a barcode.
TRIGn

Figure 31: Trigger Signal Control

When read time is set, you can also set the start time. For more information, see the previous
"Read Time" on page
section,
Read Time Start Time Commands
Command
+O
+P
Description
Trigger signal synchronization or "Z" "Y" command control
1 second
2 seconds
3 seconds
4 seconds
5 seconds
6 seconds
7 seconds
8 seconds
9 seconds
Read time infinite
Read time 10 times
TRIGn signal duration
Scan time
49.
Description
Start from TRIGn signal end
Start from TRIGn signal start
MDI-4000 Series Serial Interface Manual
Min. Typ. Max.
*1
200 -
*2
- 50 -
"Good Read LED" on page
"Buzzer" on page
97.
Unit
ms
ms
99.
Notes
✓
Default
✓
49