X-G-RST-E Series User's Manual

High load motorized gimbals with built-in controllers and motor encoders

Photo of the X-G-RST-E

Disclaimer

Zaber’s products are not intended for use in any critical medical, aviation, or military applications or situations where a product's use or failure could cause personal injury, death, or damage to property. Zaber disclaims any warranty of fitness for a particular purpose. The user of this product agrees to Zaber's general terms and conditions of sale.

Precautions

Heavy! Completely assembled X-G-RST-E Gimbals with crossmember plates for mounting the payload can weigh more than 15kg/33lb. Exercise caution when lifting/moving larger assemblies.


Tipping Hazard! Before mounting a payload or powering up the gimbal, ensure it is fully secured to a mounting surface. Moving the payload can cause unsecured gimbals to tip over, which may lead to injury or damage.


Pinch Hazard! Keep fingers and any loose objects (such as dangling cables) away from the elevation mounts whenever the device is moving or active as pinching could cause severe injury or cable damage.


Important: Zaber's X-G-RST-E gimbals use X-RST-E rotary stages, which are capable of outputting high torque and supporting heavy centred loads. It is possible to damage the stage or reduce its lifetime under certain conditions within the limits of the torque and load ratings. Maximum angular momentum is also specified for this product to reduce the likelihood of shortened lifetime due to abrupt starts or stops of significant inertial loads. The distance of the payload crossmember plate to the elevation axis is adjustable. With increasing offset from the axis it is highly recommended to center the load with the elevation axis to achieve optimal gimbal performance and long lifetime.

Please see Crossmember Height Adjustment instructions for details.


Important: When Adjusting the crossmember plate height, always ensure the crossmember plate feet fasteners are tight before engaging elevation axis apparatus. Regularly checking fasteners are tight is advised as small vibrations during gimbal operation can lead to loosening. Low-strength threadlocker such as Loctite 222 is recommended.


Important: Note there is a unidirectional homing limitation, which can be critical on the elevation axis. The “home” command will always move in the counterclockwise direction towards zero. When power to the system is cycled, the gimbal will need to home in order to re-zero its position. Keep this in mind in the use case requires restricted travel limits, and homing would cause movement through an undesired region. Please make sure you have enough clearance around the gimbal to allow full 360° rotation of both axes to prevent damage to the surrounding area or your equipment.

Please see Elevation Mount Home Position Angular 45 degree Offset instructions for details.


Important: To ensure cables do not become entangled during gimbal operation, connect power and data cables to only the bottom X-RST-E rotary stage. Power and communication is daisy-chained to the upper X-RST-E rotary stage through a slip ring.

Noise Emissions

The A-weighted emission sound pressure level (SPL) of this device does not exceed 70 dB(A) during intended use.

Included X-G-RST-E Gimbal Items


  • 1X Optional 4 conductor cable with 2 A signal wire flying leads and a grommet
  • 1X Precision 2” alignment pin for optional angular offset realignment of the elevation apparatus with 2X low-profile M6 x 08 mm screws
  • 4X M6 x 14 mm screws for bolting gimbal system to a mount surface

Physical Installation and Setup

To set up your gimbal for safe operation, complete the following steps. Contact Zaber Customer Support at any time for clarification or additional information.

Crossmember Plate Elevation Height Adjustment

To safely adjust the height of the crossmember plate, complete the following steps. Contact Zaber Customer Support at any time for clarification or additional information.

Elevation Mount Home Position Angular 45 degree Offset

To physically offset the elevation mount home position on the gimbal, complete the following steps. Contact Zaber Customer Support at any time for clarification or additional information.

Installation Of Optional Signal Output Cable

Should you decide to use available 4X 2 Amp slip ring wire connections, to properly install the signal output cable complete the following steps. Contact Zaber Customer Support at any time for clarification or additional information.

Device Use

  1. To control the motorized gimbal axes we recommend using Zaber Console.

Motorized Axis Product Manual

The X-G-RST-E gimbals contain two separate X-RST-E rotary stages. Detailed information for controlling these devices, troubleshooting and more, can be found at the link provided below:

Warranty and Repair

For Zaber's policies on warranty and repair, please refer to the Ordering Policies.

Standard products

Standard products are any part numbers that do not contain the suffix ENG followed by a 4 digit number. Most, but not all, standard products are listed for sale on our website. All standard Zaber products are backed by a one-month satisfaction guarantee. If you are not satisfied with your purchase, we will refund your payment minus any shipping charges. Goods must be in brand new saleable condition with no marks. Zaber products are guaranteed for one year. During this period Zaber will repair any products with faults due to manufacturing defects, free of charge.

Custom products

Custom products are any part numbers containing the suffix ENG followed by a 4 digit number. Each of these products has been designed for a custom application for a particular customer. Custom products are guaranteed for one year, unless explicitly stated otherwise. During this period Zaber will repair any products with faults due to manufacturing defects, free of charge.

How to return products

Customers with devices in need of return or repair should contact Zaber to obtain an RMA form which must be filled out and sent back to us to receive an RMA number. The RMA form contains instructions for packing and returning the device. The specified RMA number must be included on the shipment to ensure timely processing.

Email Updates

If you would like to receive our periodic email newsletter including product updates and promotions.

Contact Information

Contact Zaber Technologies Inc by any of the following methods:

Phone 1-604-569-3780 (direct)
1-888-276-8033 (toll free in North America)
Fax 1-604-648-8033
Mail #2 - 605 West Kent Ave. N., Vancouver, British Columbia, Canada, V6P 6T7
Web www.zaber.com
Email Please visit our website for up to date email contact information.

The original instructions for this product are available at https://www.zaber.com/manuals/X-G-RST-E.

Appendix A: Default Settings

Please see the Zaber Support Page for default settings for this device.

Specifications

SpecificationValueAlternate Unit
Microstep Size (Default Resolution)0.00015625°2.727 µrad
Built-in ControllerYes
Range+/- 360°
Accuracy (unidirectional)0.16°2.792 mrad
Repeatability< 0.005°< 0.087 mrad
Backlash< 0.05°< 0.873 mrad
Maximum Speed24°/s4 rpm
Minimum Speed0.000095°/s1.658 µrad/s
Speed Resolution0.000095°/s1.658 µrad/s
Encoder Resolution200 CPR800 states/rev
Encoder TypeRotary quadrature encoder (incremental)
Communication InterfaceRS-232
Communication ProtocolZaber ASCII (Default), Zaber Binary
Data Cable ConnectionLocking 4-pin M8
Maximum Continuous Torque10 N⋅m7.38 lb⋅ft
Maximum Centered Load150 N
(See Spec Definition)
33.6 lb
Aperture Diameter50.8 mm2"
Power Supply48 VDC
Power Plug2-pin Screw Terminal
Maximum Current Draw2200 mA
Angular Motion Per Motor Rev
Motor Steps Per Rev200
Motor TypeStepper (2 phase)
Motor Rated Current1500 mA/phase
Motor Winding Inductance6.6 mH/phase
Default Resolution1/64 of a step
Maximum Angular Momentum0.4 kg⋅m2/s
Mechanical Drive SystemPrecision Worm Gear
Limit or Home SensingMagnetic home sensor
Gear Ratio180:1
Manual ControlYes
Operating Temperature Range0-50 °C
CE CompliantYes
Vacuum CompatibleNo

Comparison

Part NumberWeight
X-G-RST300-E03SR1013.2 kg (29.101 lb)
X-G-RST500-E03SR1013.8 kg (30.424 lb)