Publication 1785-IN022C-EN-P - September 2005
18 Firmware Update Instructions for Ethernet, Enhanced and ControlNet PLC-5 Programmable Controllers
Step 4 - Install the New Firmware EPROM
(if applicable)
Note: Do not reinstall the controller until you complete the next step.
On the Ethernet PLC-5 Programmable Controller, Series E or Later: Do this:
1785-20E, -L40E and -L80E programmable controllers 1. On the front of the controller, remove the 2
hex nuts on Channel 0.
2. Remove the screw on the communication
card.
3. Remove the four screws that hold the right
side plastic
cover and remove the cover.
4. Remove the two large screws and washers
located in the center of the exposed circuit
board.
5. Carefully separate the two processor
boards by pulling the exposed circuit board at
the backplane edge connector away from the
metal cover as you would open a book.
6. Gently pull the communication card off of
the circuit board.
7. Remove and replace the U7 or U12
firmware EPROM, taking note of the location
number and the orientation of the notch on
the EPROM.
8. See the figure to the left for the number
and location of the EPROM.
9. Reassemble the controller by reversing
steps 1 thru 6.
* EPROM numbers may vary and their locations shown in these illustrations are approximate. Your series and revision of controller and firmware may be different. Make certain the EPROM numbers
from your firmware update match the numbers on their respective circuit boards and communication cards.
U7 or U12
If applicable, replace
the U7 or U12 EPROM
on the
Remove communication card
communication card*
(if applicable)*
To Next Page
Loading...
