Troubleshooting and Maintenance
6–3
Use the 7 LED indicators to isolate operating problems.
Figure 6.1
LED Indicators
On Symbol
Condition
Indication
Yellow
Bar code symbol is being scanned and decoded.
Flashing
Bar code symbol is being read at less than 100% rate.
Off
Not reading bar code symbol.
Trigger/Read
Condition
Indication
Yellow
Decoder trigger is active.
Green
Valid bar code symbol read.
Off
No trigger or valid bar code symbol read.
I/O 1 and I/O 2
Condition
Indication
Yellow
Corresponding input or output is in an On (closed contact) state.
Off
Corresponding input or output is in Off (open contact) state.
LED Indicators
Содержание Allen-Bradley 2755-SN3
Страница 1: ...User Manual AdaptaScan Bar Code Readers Cat No 2755 SN3 SN5 SN8 Allen Bradley...
Страница 78: ...European Union Directive Compliance C 2 Declaration of Conformity...
Страница 90: ...Glossary G 12 X X dimension The nominal dimension of the narrow bars and spaces in a bar code symbol...
Страница 95: ...PART NO P QUANTITY Q SUPPLIER V SERIAL S 27842 9106 0 0 0 1 2 3 4 5 6 7 8 9 0 5 9 00 38200 11413 8...