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Led Indicators; Wiring Base Connector; Operating Environment - AB Quality Allen-Bradley 2755-SN3 User Manual

Adaptascan bar code readers

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1–4
Overview

LED Indicators

Seven LEDs provide the following indications.
Indicator
Condition
Green
Flashing Green
Module
Module
Flashing Red
Green
Flashing Green
Network
Netw r
Flashing Red
Yellow
Laser On
La er
Yellow
Flashing
On Symbol
On Symbol
Yellow
Green
Trigger / Read
Trigger / Read
Yellow
I/O 1
I/ 1
Yellow
I/ 2
I/O 2

Wiring Base Connector

The 24-pin connector on the bottom of the Reader plugs into the
socket on the wiring base. No other connections to the Reader are
required.

Operating Environment

The Reader operates under a variety of conditions.
Cast aluminum enclosure meets NEMA Type 4 requirements
when used with the wiring base.
Operates in environments from 32 to 122_F (0 to 50_C).
Mounts at any angle.
See Appendix A for a complete list of Reader specifications.
Normal operating state
Initialization and/or incorrect (unconfigured)
configuration
Red
Processor fault (nonrecoverable)
Minor fault (recoverable). Occurs when down-
loading firmware.
Off
No power applied to Reader
Normal DeviceNet operating state
Communication link established, but not data
transfer.
Red
Communication fault
One or more DeviceNet devices are not re-
sponding. Reader may not be able to perform
all configured functions.
Off
DeviceNet communications not established
Scan beam on
Off
Scan beam off
Scanning and decoding bar code symbol
Bar code symbol read at less than 100% rate
Off
Not scanning bar code symbol
Package detected
Valid read
Off
No trigger or no valid bar code symbol read
Input/Output module 1 active
Off
Input/Output module 1 not active
Input/Output module 2 active
Off
Input/Output module 2 not active
Indicates:

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