Rockwell Automation 1747-PCINT API Software for 1746 I/O - Manual (Page 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