How can I clear the read buffer of an AJ71C24

[sd00 1]

Hi all, The manual for the AJ71C24 card I am wrestling with says that setting the buffer address 10Dh to 1 should clear the read buffer and then it will set buffer address 10Dh back to 0. When I do this, all that seems to happen is that Y11 (Read Req) comes on, X1 (Read buffer data present) goes off. When I toggle Y11 off, X1 comes back on! Does any one have working ladder (or even a know solution) to clear the buffer of an AJ71C24 Serial card? Thanks, Steve.

[Gambit 324]

Did you use the interlocking with X1 Y10 Y11 ? Because according to the manual cannot clear the buffer memory while the sent request is on. Edited 15 Aug 2007 by Gambit

[sd00 1]

Yes, Y10 and Y11 were off. Do you have sample ladder? Cheers, Steve.