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Chapter 3
Chapter 3
3-8
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There should be four unused holes visible to the right. The notch on the
chip must still be on the right end, the same as the notch on the socket,
as shown in the following figure.
Figure 1.8
28 pin EPROM correctly positioned in a 32 pin Socket
8 When all the pins are properly positioned in their holes, and the notch is
on the correct side, gently press the chip into the socket. It will go in
easily if the pins are properly positioned.
Attention If you break or severely bend a pin, the chip will be
unusable.
9 Close the PanelView 1200 terminal and fasten the screws, then
reconnect the Remote I/O cable, RS-232 cable and power cable.
10 Verify that the PanelView 1200 terminal is working properly:
Connect power to the terminal. If the following message appears, the
PROM has not been installed properly, is corrupted, or has not been
programmed:
If this message appears, consider the following points and repeat the
installation procedure if necessary:
make sure that the chip is seated properly in its socket and that no
pins are bent
23624
Clear
20200
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