Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario descargar pdf (Pagina 13)

Overview 1–5

Publication 1747-6.5.3 June 1998

If a non-recoverable fault occurs, reset the scanner (cycle power). Some possible

non-recoverable faults include:

• POST failure

• background diagnostic failure

• internal watchdog timeout

Checking LED Indicators

STATUS

The STATUS indicator reports the status of the scanner. The following table lists

the LED states for STATUS:

Installing the

DOS API

To install the DOS API, copy the following files to a directory you create. The

sample code files are optional, but they show how to use the API functions.

This state: Means: Take this action:

Yellow The scanner is running POST. None

Flashing green The scanner is in idle mode and is

not scanning I/O.

None

Solid green The scanner is scanning I/O. None

Flashing red An I/O fault has occurred. Check software to identify

fault condition.

Solid red A scanner internal fault has

occurred.

Power system off and back on. If

the problem persists, service may

be required.

Off The adapter is not powered up. Turn on power.

PCI INTERFACE

STATUS BATT

LED 1 LED 2

LED 3 LED 4

This file: Contains:

ocapil.lib API functions that you link to your application

ocapi.h API header file that contains API-referenced structures

sample.c Sample application program calling the API functions

sampleb.mak Sample make file for the Borland C compiler

samplem.mak Sample make file for the Microsoft C compiler

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Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario Pagina 13