Haydon Kerk Pittman (AMETEK, USA) Pittman E30 is a miniature incremental optical encoder family: E30C offers 200-500 CPR and E30D 500-2048 CPR with 2-channel quadrature TTL outputs, Z-index on E30D and optional differential line-driver; powered from 4.5-5.5 VDC at ≤20 mA with response to 220 kHz, -20 to +85 °C operation and 5.6 g mass, mounting directly on Pittman brushed/brushless motors for closed-loop speed or position control in robot joints and precision motion.
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