ZeroErr eCoder65 65 mm Through-Hole Absolute Magnetic Encoder, RS485, 17-20 Bit

ZeroErr

$469.00 USD

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Version Absolute value of a single lap (RS485) Absolute value of multiple turns (RS485)

Resolution 17-bit 19-bit 20-bit

Multiturn Counting Battery Not Include Include (Two pieces per pack)

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Overview

The ZeroErr eCoder65 is a ring-style absolute magnetic encoder with a 65 mm through-hole, axial reading, and RS485 single-turn or multi-turn option selections. Resolution options are 17-bit, 19-bit, and 20-bit. The encoder has a stated average thickness of 2.5 mm. The through-hole allows passage for mechanical structures, cables, air lines, and similar items.

Features

65 mm diameter through-hole.
Axial reading.
Maximum absolute tolerance: <0.04°.
Hysteresis: less than one unit of resolution.
Programmable zero position stored in internal EEPROM.
Assembly tolerance: up to 0.1 mm.
External magnetic field specification: ±20 mT.
Provides a precision positioning reference for fast and accurate installation.
Stated operation in dust, heavy oil contamination, high- and low-temperature, and complex electromagnetic environments.

RS485 Versions and Resolution Options

Version selections: Absolute value of a single lap (RS485) or Absolute value of multiple turns (RS485).
Resolution selections: 17-bit, 19-bit, or 20-bit.
The RS485 versions support the RS-485 interface protocol and are stated as compatible with Tamagawa absolute encoder.
The multi-turn version is a non-contact, multi-turn absolute type.
For the 20-bit multi-turn option, stated capabilities include up to 20-bit resolution, 2¹⁶ counting revolutions, programmable and storable point-by-point position compensation, and ±5 arcsecond repeatability.

Multiturn Counting Battery Option

Multiturn Counting Battery selections: Not Include or Include (Two pieces per pack).

Specifications

Parameter	Value
Model	eCoder65
Maximum absolute tolerance	<0.04°
Repeatability	±5 arcseconds
Reading type	Axial reading
Resolution	17-bit to 21-bit and 16-bit multiturn counter option
Maximum speed	6000 RPM (eCoder35, eCoder45, eCoder65, eCoder35H) 12000 RPM (eCoder11, eCoder18, eCoder20)
Hysteresis	Less than unit of resolution
Supply voltage	4.7 V to 5.4 V
Current consumption	105 mA to 125 mA (eCoder11, eCoder18, eCoder20) 70 mA to 90 mA (eCoder35, eCoder45, eCoder65) 115 mA to 130 mA (eCoder35H)
Connector	8-pin connection
Battery standard voltage	3.6 V
Battery warning voltage	<3.05 V
Battery operating current	4 μA
Storage temperature	-40 to +105 °C
Operating temperature	-40 to +105 °C
External magnetic field	±20 mT

eCoder65 Ring and Readhead Dimensions

Parameter	eCoder65
Magnetic ring inner diameter	65 mm
Magnetic ring outer diameter	84 mm
Magnetic ring weight	30.0 g
Magnetic ring thickness	2.5 mm
Readhead inner diameter	70 mm
Readhead outer diameter	96 mm
Readhead weight	3.7 g
Readhead maximum thickness	5.9 mm
Readhead arc length	77°
Maximum resolution	20 bits

Installation Drawing Callouts

The installation drawing includes the following callouts: Ø84, Ø71, Ø68, Ø65, R46, R45.5, R35, eight Ø2.1 holes, three Ø2 holes, two Ø2 holes, 22.5°, 45°, 30°, 77°, 29.82, and sectional dimensions of 5, 1.6, and 1.5. It also includes 0.05 geometric-tolerance callouts referenced to datum A.