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ISO1176 reciever output level in Japan

Other Parts Discussed in Thread: ISO1176, ISO1176EVM

Hello  team,

Our customer,SMC, has sevral questions about ISO1176.

1.  The customer would like PCB layout of ISO1176EVM. They checked the user guide of ISO1176EVM, hoewever it is too light to check the detailed PCB layout. Would you please send me the PCB layout?

2.  Customer is evaluating ISO1176 on their trial board. However they have a trouble with comunication error, now. They observed the waveform and found the error of reciever output. Would you please see attached 2 waveform picture files? Though A(input) is low and B(input) is high, R(output) remains high. It seems this isuee is similar in GE's.
I plan to visit and make sure and test using our ISO1176EVM such as GE's case. Would you please advice to improve this issue?


Best Regards,
Akihisa Tamazaki

ISO1176_error.zip