HD25A Absolute Industrial Rugged Metal Optical Encoder

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HD25A Absolute Industrial Rugged Metal Optical Encoder

The HD25A is a size 25 absolute encoder designed for industrial applications. The HD25A optical encoder is a 12-bit absolute rotary position sensor, which reports a shaft angle within a single 360 degree rotation of a shaft. Unlike incremental-, sometimes called relative-, style encoders, the HD25A provides true (absolute) shaft position, eliminating the need for a home or zero cycle after a supply voltage power cycle. The HD25A communicates over a RS 485-style serial bus utilizing US Digital®'s SEI (Serial Encoder Interface) which allows for simple, quick and convenient networking of multiple SEI devices on a single network. PLCs, motion controllers and computers can also reside on the SEI bus as well by use of US Digital®'s SEI to USB interface device. The HD25A is also available with an optional analog output. The analog output option provides a maximum voltage range of 0 to 4.095 volts with 12-bit resolution. The output voltage may be easily scaled by simple SEI commands to provide other maximum voltage levels as well. From the factory, the analog output voltage is set to 0 to 3.599 VDC range. Please note that with the HD25A analog output option only one device may reside on a SEI bus. NEMA size 25 package Anodized milled aluminum housing with O-ring housing seal 3/8" diameter shaft Up to 15 devices on a single 6-pin telephone-type cable 12-bit accuracy 7 milliseconds update time EEPROM stores downloadable parameters Field programmable resolution (2 to 4,096 CPR) Remotely updatable firmware

Part Number hd25a_absolute_industri
Company US Digital
Electrostatic Discharge, Human Body ModelMIL-STD-883E, Method 3015.7 No
Electrostatic Discharge, IEC 61000-4-2 ± 4kV
Humidity, Non-condensing 98% non-condensing100% condensing (NEMA IP65)
Storage Temperature No
Vibration (5Hz to 2kHz), G 20
Operating Temperature, C -25 to 70

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