Hi,
I need help.
A Mitsubishi PLC programming cable has one Max232 and two identical 8 pins
IC on the pcb. The marking has erased,I need to find out what IC it is. The
connection is as follows.
p3 p16 p15 p2 p5 p18 p17 p4 -- (serial
port -DB25)
| | | | | | |
|
8 7 6 5 8 7 6 5
(a 330ohms resistor across pin 7& 8 for bothof the ic)
---------------- -----------------
) | ) |
---------------- ----------------
1 2 3 4 1 2 3 4
| | | | | | |
|
P16 P10 P9 P15 P16 P11 P12 P15 -- (Max232)
Can somebody help ?
Thanks.
Regards,
Bill Lee
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Author: Bill Lee
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