| TABLE OF CONTENTS...........................................................................................................................................2 DESCRIPTION..........................................................................................................................................................3 SPECIFICATIONS....................................................................................................................................................3 E497-A (48 TTL I/O channels).............................................................................................................................3 E497-B (16 optoinsulated Inputs + 16 high current Outputs).........................................................................3 I/O MAP.....................................................................................................................................................................4 I/O CONNECTORS PIN-OUT..................................................................................................................................6 E497-A (48 TTL I/O channels).............................................................................................................................7 E497-B (16 optoinsulated Inputs + 16 high current Outputs).........................................................................8 82C55 PROGRAMMING........................................................................................................................................10 E497-A (48 TTL I/O channels)...........................................................................................................................11 E497-B (16 optoinsulated Inputs + 16 high current Outputs).......................................................................11 |