ZeroErr eCoder35 RS485 Absolute Magnetic Encoder, 35 mm Through-Hole, 17/19/20-Bit Options

ZeroErr

$301.00 USD

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Taxes incluses. Frais d'expédition calculés à l'étape de paiement.

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 eCoder35 is an absolute magnetic encoder with axial reading and a 35 mm through-hole. The through-hole allows routing of mechanical structures, cables, and air lines. Choose an RS-485 single-lap absolute or multiple-turn absolute version, with 17-bit, 19-bit, or 20-bit resolution selections. Multiple-turn configurations also offer a multiturn counting battery selection.

Features

Non-contact absolute encoder design; a multiple-turn version is available.
35 mm through-hole and stated maximum thickness of 8.6 mm.
Maximum absolute tolerance: <0.05°; repeatability: ±5″.
Maximum speed: 6,000 RPM for eCoder35.
Hysteresis: less than one unit of resolution.
Programmable zero position stored in internal EEPROM.
Stated assembly tolerance of up to 0.1 mm.
Provides a precision positioning reference for fast and accurate installation.
Specified storage and operating temperature range: -40 to +105 °C; stated for environments with dust, heavy oil contamination, and high or low temperatures.
Standard RS-485 protocol; stated compatible with Tamagawa absolute encoders.

Options

Selection	Available options
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)

Absolute value of a single lap (RS485): uses an RS-485 interface protocol.
Absolute value of multiple turns (RS485): uses an RS-485 interface protocol.
20-bit multiple-turn option: up to 20-bit resolution, 2¹⁶ revolution counting, programmable storable point-by-point position compensation, and ±5 arcseconds repeatability.

Specifications

eCoder35 specifications

Parameter	Value
Model	eCoder35
Maximum absolute tolerance	<0.05°
Repeatability	±5″
Reading type	Axial reading
Resolution	17 bit to 21 bit and 16 bit multiturn counter option
Maximum speed	6,000 RPM (eCoder35, eCoder45, eCoder65, eCoder35H) 12,000 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

eCoder35 magnetic ring and readhead dimensions

Parameter	eCoder35
Magnetic ring inner diameter	35 mm
Magnetic ring outer diameter	55 mm
Magnetic ring weight	19.0 g
Magnetic ring thickness	2.5 mm
Readhead inner diameter	42 mm
Readhead outer diameter	67 mm
Readhead weight	4.2 g
Readhead maximum thickness	5.7 mm
Readhead arc length	150°
Maximum resolution	20 bits

The product feature information also states a maximum thickness of 8.6 mm.

Installation drawing labels

Drawing feature	Label or value
Outside diameter	Ø55
Diameter feature	Ø42
Through-hole diameter feature	Ø35
Hole pattern	Three Ø2.8 holes
Hole pattern	Two Ø2 holes; tolerance markings are not fully legible
Hole pattern	Eight Ø2.1 holes
Additional hole feature	Ø2; tolerance markings are not fully legible
Radii	R33.5, R30.5, R27.7, R21, R19.25
Arc angles	150°, 75°, 68.5°
Angles	45°, 22.5°, 15°, 6.5°
Sectional vertical dimensions	0.8, 4.8, 1.6, 1.5, 1.3 ±0.1
Datum and feature-control frames	Datum A; 0.05 tolerance relative to datum A in two feature-control frames
Connector interfaces	Two board-mounted connector interfaces