The 73SD4 is a DSP based, PC/104 compliant stack-through module. It offers six (6) separate isolated Synchro/Resolver-to-Digital tracking converters, 16 TTL Digital I/O, extensive diagnostics, digital velocity outputs and optional Reference and turn counters. Each channel also produces differential incremental encoder (A&B) outputs (with programmable resolution) and a zero degree marker pulse. Commutation outputs are available for 4, 6, or 8 pole brushless DC motors that eliminate the need for Hall Effect sensors on the motor thus eliminating processor time and reducing bus traffic.
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