KL5121 by Beckhoff

The KL5121 from Beckhoff's KL Analog Input Modules series offers one encoder channel and four outputs. It runs on 24 V DC, uses a 16-bit binary counter, achieves 1 million increments/s with 4-fold evaluation, and delivers 24 V/0.5 A output. It switches in less than 100 us and consumes typically 30 mA at power contacts with 60 mA on the K-bus. It is rated IP20 and operates reliably between 0 and 55 deg C.