X-GSM-E Series

Motorized goniometers with built-in controllers and motor encoders

Series Specifications

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Overview

Built-in Controller
Range	+/- 7 – +/- 10°*
Manual Control
Axes of Motion	1
Weight	0.274 kg (0.604 lb)

Positioning Performance

Accuracy (unidirectional)	0.06° (1.047 mrad)
Repeatability	< 0.005° (< 0.087 mrad)
Backlash	< 0.01° (< 0.174 mrad)
Rotation Centre Accuracy	< 0.1 mm (< 0.004")
Microstep Size (Default Resolution)	0.0001131413171 – 0.0001625794173°*
Default Resolution	1/64 of a step

Load Performance

Maximum Centered Load

30 N (6.7 lb)

Speed

Maximum Speed	30°/s (5 rpm)
Minimum Speed	0.000069 – 0.000099°/s*
Speed Resolution	0.000069 – 0.000099°/s*

Encoder & Sensing

Encoder Type	Rotary quadrature encoder (incremental)
Encoder Resolution	200 CPR (800 states/rev)
Limit or Home Sensing	Magnetic home and away sensors

Motor

Angular Motion Per Motor Rev	1.44820885888 – 2.08101654144°*
Motor Steps Per Rev	200
Motor Type	Stepper (2 phase)
Motor Winding Inductance	3.5 mH/phase
Motor Frame Size	NEMA 08

Power and Communication

Communication Interface	RS-232
Communication Protocol	Zaber ASCII (Default), Zaber Binary
Data Cable Connection	Locking 4-pin M8
Power Supply	24-48 VDC
Power Plug	2-pin Screw Terminal
Maximum Current Draw	350 mA

Mechanical

Rotation Centre Height	40 – 60 mm*
Guide Type	Crossed roller bearing
Mechanical Drive System	Precision Worm Gear
Mounting Interface	M2 and M3 mounting holes

Environmental & Compliance

Operating Temperature Range	0-50 °C
CE Compliant
Vacuum Compatible

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X-GSMX-GSMX-GSM4040Goniometer Height of Rotation: 40, not selected---E03E03Encoder Options: E03

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Goniometer Height of Rotation

40—40 mm above top surface(1)60—60 mm above top surface(1)

Encoder Options

E03

—Motor Encoder, 200 CPR

Part Specifications Comparison

Part Number	Range	Microstep Size (Default Resolution)	Minimum Speed	Speed Resolution	Angular Motion Per Motor Rev	Rotation Centre Height
X-GSM40-E03	+/- 10°	0.0001625794173° (2.837 µrad)	0.000099°/s (1.728 µrad/s)	0.000099°/s (1.728 µrad/s)	2.08101654144°	40 mm (1.575")
X-GSM60-E03	+/- 7°	0.0001131413171° (1.975 µrad)	0.000069°/s (1.204 µrad/s)	0.000069°/s (1.204 µrad/s)	1.44820885888°	60 mm (2.362")