Cinside CPR4 Bedienungsanleitung PDF herunterladen (Seite 3)

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Chapter 1

CP22 Chip Installation

The CP22 chip must be installed in the CPR2102 time switch in order to make the time

switch an annual device. The following procedure shows how this is accomplished.

1. Remove power source from the CPR2102.

2. Remove the cover from the CPR2102 and lay it aside. There is no reason

to remove the communication cable.

3. Jot down the address dip switch settings. These addresses can get bumped

while replacing chips, causing problems later.

4. Locate the processor chip on the board. It is the largest chip on the board.

Notice the notch molded into the chip is facing the right side of the board.

5. Using a chip puller or pick, pull the chip out of the socket carefully. Be

careful that you do not get the pick under the socket as you can seriously

damage the board.

6. Locate the notch on the new chip. This notch should be placed in the

socket the same direction as shown in the white outline on the circuit

board itself.

7. Plug the new chip into the socket. You may have to gently rock the chip

as you insert it.

8. Inspect both rows of pins to insure that none of them have collapsed while

replacing the chip.

9. Verify that none of the address dip switches have been bumped.

10. Replace the cover removed in Step 2.

11. Apply power to the CPR2102.

The board must be reprogrammed for proper operation. You can use CPR4 Loader for

this, as described elsewhere in this document.

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