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Dear friends! I hope someone will help me. My problem is the next: I have made a very simple controller Centronix / gpib without any intellegence - only registers and multyplexes. Now i try to communicate with one old fassioned soviet gpib voltagemeter. It supports handshaking in some cases but dont accept data and present errors data. Quite possible that device is not good enouugh, but i am not shure in some aspects: - are there any limitation on signals duration in gpib? - i try to work in manual mode. - dose selected device keep NRFD and NDAC aftter removing ATN in case when i am going to send Data? Thanks in advance. Yury. ygmicro@mailbox.alkor.ru ygrod@mail.ru
