Allen-Bradley DeviceNet 1784-PCIDS, User Manual, Page: 65 / 101

Publication 1784-6.5.30 - February 2001
Using IOLinx To Test the Example Network 5-7
Testing the RediSTATION and Photoeye Inputs
Click on the I/O tab to view the 1784-PCIDS card’s input and output
image tables. The contents of the tables are shown as hexadecimal
numbers.
Recall from chapter 5 that the RediSTATION inputs are mapped as
follows:
START: Word 0, bit 1
STOP: Word 0, bit 0
The photoeye input is mapped to:
Word 0, bit 8
1. Use the Switch Mode button to change the scanner’s mode from
IDLE to RUN .
2. Repeatedly press and release the START button on the
RediSTATION. On your screen, you should see input byte 0
changing back and forth from “0” to “2” as bit 1 sets and resets
when you press and release the button.
3. Repeatedly press and release the STOP button on the
RediSTATION. On your screen, you should see input byte 0
changing back and forth from “0” to “1” as bit 0 sets and resets
when you press and release the button.
Addresses are also
in hexadecimal
One byte shown in
hexadecimal
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