Rockwell-automation 1747-DSN DISTRIBUTED I/O SCANNER Uživatelský manuál Strana 31

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4
Chapter
Operation and Troubleshooting
This chapter will provide information on :
scanner start–up
scanner normal operation
scanner test mode operation
scanner slot disable operation
I/O block hold last state operation
scanner and I/O block status LEDs
troubleshooting the scanner and DIO Link
SLC processor error codes for the scanner
The following steps will assist you in the start up of your DIO Link. Before
you power up your system, make sure you have configured your SLC
processor and downloaded an application program.
1. Make sure power is applied to all I/O blocks on the DIO Link.
2. Apply power to your SLC processor. If you powered down with the SLC
processor in program, test, or fault mode, you will have to place your
processor in run mode.
When power is applied to your SLC system, the scanner requires several
seconds to complete its power up diagnostics. During this time, the FAULT
and COMM LEDs cycle on and off. After the diagnostics are complete and
the SLC processor is in the run mode, the scanners LEDs are in the
following states.
the FAULT LED is off
the COMM LED is solid green
Important: This assumes the scanner is configured properly and all
configured I/O blocks are communicating.
Chapter Objectives
Start Up
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