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RS6-C552S SCARA Robotic Arm (Manipulator)

SCARA Robot · Load 6 kg · Arm length 550 mm

RS6-C552S
SPECIFICATIONS · Specifications

RS6-C552S specifications

Epson hoisted SCARA robots

Maximum load6 kg
Arm length550 mm
RepeatabilityJoints 1-2 / ± 0.015 mm
Standard cycle time0.373 s
Installation methodCeiling installation
Body weight20 kg
Compatible controllerRC800-A
Product modelsRS6-C552S
Third joint200 mm
Load*1Rated value / 2 kg
Standard cycle time *20.373 s
Maximum movement speedJoints 1-2 / 7421 mm/s
The fourth joint allows for an inertial moment *3Rated value / 0.01 kg·㎡
Pressure on the third joint150 N
Installation environmentStandard model
Body weight (excluding cable weight)20 kg
User circuitsD-Sub 15-pin x1 Current Capacity 1A (Rated RJ45x1).
User Qi RoadΦ4 mm x 1, Φ6 mm x 2: 0.59 MPa (6 kgf/cm2) (86 psi)
VoltageAC200-240 V single-phase power
Power consumption*41.5 kVA
Cable length3 / 5 / 10 / 15 / 20 m
Safety standardsCE, KCs, NRTL
Product categoriesSCARA robot
Model page on the official websitehttps://www.epson.com.cn/products/robots/rs6-c552s/
Controller · Number of adjustable axesThe number of controllable axes
Controller · Maximum object size: 4MB Point data area: 1000 points/file Backup variable area: up to 768KB (including management table memory area) About 4000 variables (varies with array variable size)Maximum object size: 4MB Data area: 1000 points/file Backup variable area: up to 768KB (including management table memory) About 4000 variables (varies with array variable size)
Controller · External input/output signals (standard)External input/output signals (standard)
Controller · Communication Interface (Standard)Communication interface (standard)
Note*1: Do not overload the machine.
Note*2: Cycle time is based on the round-trip arch motion cycle time under rated load high power mode (300mm horizontal, 25mm vertical) (tested under the product's maximum speed and optimal travel coordinates).
Note*3: Set parameters via the Inertia command based on load and end effector status (see user manual for parameter calculation methods).

Model introduction

Epson hoisted SCARA robots

RS Series SCARA · Lifting Specialized · Series technical features

The RS series is a SCARA robot installed in a suspended (upside-down) setting, entering the work area from above, suitable for pick-and-place and assembly scenarios where there are obstacles below the workpiece and you need to avoid it.

Ceiling layout saves space

Inverted installation frees up desk space, facilitating conveyor lines and multi-station layout.

3-6kg load

RS3/RS4/RS6 cover the needs for light and medium-sized pick-up, place, and assembly.

Epson's universal ecosystem

Sharing the RC+ programming environment with a vision and I/O option ecosystem.

Typical application scenarios

Common application processes for this model (click to view process details):

RS Series SCARA · Lifting Specialized · Other models in the same series

Compare load and reach to choose the model that best suits your process.

RS6-C552S model positioning and working condition adaptation

RS6-C552S Belongs to the Epson RS series SCARA · The SCARA horizontal multi-joint robot model is dedicated to lifting, with a rated load of 6kg, a motion radius of 550mm, and a repeatability of ±0.015mm. Epson's technological foundation is SCARA's global market leader: RS/GX/LS series with high speed and precision, SPEL+ development efficiency, and mature vision integration; The control platform is RC800-A, and the program ecosystem is SPEL+ language (BASIC style) + Vision Guide visual.

From the perspective of working condition adaptation, the typical use for lightweight load (6kg) positioning is:Machine tool loading and unloading, 3C assembly, inspection, and handling of small and medium-sized partsCommon application processes for this model include handling, assembly, and inspection. The short-span (550mm) model has a compact structure, suitable for dense workstations and close-range pick-and-place operations, with a small working unit footprint. ± 0.015mm repeatability is the standard level for six-axis industrial robots, covering most working conditions such as welding, handling, palletizing, and loading/unloading. The end fixture is counted as a load from the most important point—the total of gripper + workpiece + sensor should not exceed 80% of the rated value. Workpieces with high inertia (long rod/uneven load) should be checked separately.

The engineering implications of RS6-C552S specification parameters
ParametersEngineering interpretation and usage recommendations
Rated load: 6kgIt is recommended to reserve a load margin of 20%–30%; Verification is made by combining end self-weight + workpiece + imbalanced load inertia, especially sensitive to high-speed conditions
Radius of motion: 550mmDetermine the radius of the workcell layout: bins, tooling, and fences are bounded by maximum arm span + safety distance; Verify the accessibility of each pick-and-place point during cross-station service
Repeatability: ±0.015mmRepeatability ≠ absolute accuracy: Precision assembly requires external measurement closed-loop or visual guidance; Long-term accuracy trends rely on annual retest management
Main body weight: 20kgInstallation base and foundation load-bearing check based on weight + dynamic load; Floor slab installation requires structural calculation, with heavy-duty models serving as independent foundations
Controller: RC800-ADecide on the process ecosystem, spare parts channels, and second-hand residual value; Currently, spare parts channels are smooth, and repair and upgrade paths are mature

Control systems and common failure modes

The RS6-C552S is equipped with the RC800-A controller, with a programming language and development environment of SPEL+ (BASIC style) + Vision Guide visual. Maintenance of this generation of control platforms focuses on three basic components: power, storage, and cooling—most "sudden downtime" can be detected in advance when preventive maintenance is in place.

Epson platform high-frequency faults and warning signals
Failure modeTypical performanceDisposal recommendations
SCARA synchronous belt tension attenuation and wearSCARA Synchronous Belt Tension Attenuation and Wear (Main Cause of Precision Drift)Included as a mandatory inspection item for annual maintenance, with spare parts stocked in advance
The encoder battery is depletedEncoder battery depleted (loss of origin and calibration data)Initial interpretation of alarm codes by reference with manuals, remote diagnosis allows for early positioning
Driver alarmDriver alarm (high-speed overcurrent)Daily inspection coverage, with abnormal trends (abnormal noises/temperature rise/errors) recorded
RC controller fan and power supply agingRC controller fan and power supply agingQuarterly dust removal maintenance and cabinet temperature monitoring
RS6-C552S Maintenance Key Points List (Epson Platform)
Maintenance projectsCycle recommendationsKey points
Timing belt tension adjusted by periodic inspection (SCARA specific item)By cycleTiming belt tension adjusted by periodic inspection (SCARA specific item)
Annual battery replacementYearBattery replacement annually, calibration data backup
Guide rails and screw lubrication (LS/GX series)According to the manufacturer's manual cycleGuide rails and screw lubrication (LS/GX series)
Cable and drag chain inspectionevery six monthsInsulation, shielding, and bending radius inspection of power and encoder lines, as well as wear of cables inside the drag chain, are the main causes of intermittent faults
Zero point and accuracy retestEvery yearRepeatability measured by dial gauges or laser trackers, drift trend digitization—accuracy degradation can be seen six months in advance
Control cabinet dust removal and fansEvery quarterFilter cleaning, fan speed and noise checks, cabinet temperature recording; Dust environments shorten the cycle

Henghuan's service capabilities for RS6-C552S

This site is a third-party robotics technology service provider. The RS6-C552S supports eight major business services as follows (sorted by service frequency of each model):

  • Maintenance and repair: For on-site diagnostics, board-level maintenance, and annual maintenance contracts for RS6-C552S—periodic inspection and adjustment of synchronous belt tension (SCARA special item), brand-exclusive items are executed according to SOPs, and Sichuan Chongqing responds on the same day.
  • Used & in-stock robot sales: SCARA has a large second-hand circulation and is the preferred choice for 3C and electronic assembly conditions; Procurement focuses on inspecting belt and guide rail wear; The RS6-C552S or equivalent models in the warehouse come with a full-function test report and a 12-month warranty.
  • Sales of new industrial robots: When adding new production lines or replacing entire batches, we conduct cross-brand selection comparisons based on process requirements (including models of the same grade as Epson), and provide configuration and pricing plans.
  • Applied technology services: Process programming, trajectory optimization, tap time potential, and mold-changing formula management for the RS6-C552S are tailored for handling, assembly, and inspection conditions.
  • Research and development of automation equipment: Custom fixture ends, peripheral tooling, and safety fences for RS6-C552S, with interfaces designed according to Epson flange and IO standards.
  • Robot rental: For short-term capacity or process validation periods, RS6-C552S equivalent in-stock models can be rented, including transportation, installation, and commissioning; flexible rental periods and repurchasing.

Common issues with this device

Is it easy to find spare parts for RS6-C552S?

Epson: The spare parts channel for this generation is smooth; we have in-stock or short-cycle channels for standard parts such as drivers, power modules, batteries, and teach pendant components; It is recommended to allocate consumables for periodic inspection and adjustment of synchronous belt tension (SCARA specific items) according to the annual maintenance contract.

With a nominal load of 6kg, how much weight can it actually handle?

The rated load is the static load limit of the flange surface. In actual selection, three factors must be considered: the self-weight of the end fixture (vacuum suction cup groups or grippers often account for 2–5kg), the inertia generated by the workpiece offload (checked according to the inertia ratio when the center of gravity deviates from the flange center), and the dynamic load during high-speed movement. The conventional engineering practice is to keep the "end + workpiece" within 70%–80% of the rated value to ensure cycle time and service life.

If the equipment's accuracy deteriorates after several years of use, how can it be restored?

According to the inspection order: first check whether the zero point is drifting (common after collision or battery depletion), then perform zero calibration; Check the reducer's return error (actual measurement of forward and reverse positioning deviation; if exceeded, disassemble or replace); Then check the installation base fastening and foundation settlement; Finally, trajectory compensation parameter restructuring. Most accuracy issues can be mostly restored after calibration and maintenance, so there is no need to rush into major repairs—we first release the inspection data before deciding on the plan.

Is the used RS6-C552S worth buying?

SCARA has a large second-hand circulation and is the preferred choice for 3C and electronic assembly applications; Procurement focuses on checking for belt and guide rail wear. Three essential items for second-hand procurement: comprehensive inspection reports (axial accuracy, driver status, insulation and battery), maintenance history and operating hours, controller generation, and software license integrity. Every used machine we sell comes with inspection records and a 12-month warranty, and we can also accept third-party inspections designated by customers.

Need technical support or procurement for this model?

Whether it's model selection comparison, installation and commissioning, or maintenance of in-use equipment, you can contact Henghuan. Tell us about your processes, loads, and equipment status, and we will provide third-party technical support and solution recommendations.

Contact Henghuan Back to the full series
Service areas (by response priority): based in Nanchong, with same-day coverage of Shunqing, Gaoping and Jialing districts plus Langzhong, Yilong, Xichong, Nanbu, Yingshan and Peng'an; province-wide service across Sichuan (Chengdu, Mianyang, Deyang, Yibin, Luzhou, Zigong); on-site within 48 hours in Chongqing; scheduled visits to Kunming, Guiyang and nearby prefecture-level cities such as Qujing, Yuxi and Zunyi; remote diagnostics and mail-in repair for customers outside these regions. View full service areas →