Industrial automation

EPSON RC90 Robot Controller

Small, but powerful

RC90 is a compact Robot Controller of the LS-Series robots. The LS robots are connected to this controller. All programming is done on the controller, and communication with other parts of the robotic cell are also done through it. The RC90 includes everything that is needed to operate the robot, and its capabilities can be extended with various options.


The RC90 doesn't just control the robot, it can be used to control other systems of the robotic cell, with or without the robot. Programming of the controller is done using the Windows-based EPSON RC+ environment, which is simple to understand and quick to learn. Wide range of communication options ara available to communicate with other industrial devices.

Images, videos

RC90: robotvezérlő TP2: betanító felület


EPSON RC90 Robot Controller :: micro controller for the LS-Series
Model RC90
For which robot? LS-Series
Robot / Controller maximum 1 LS robot
Power/Signal cable length (m) standard: 3 m
option: 5m, 10m
Programming EPSON RC+ 7.x
runs under Windows
Programming Language SPEL+ (multitasking)
Software options RC+ API 7.0
External Control Point Motion (ECP)
GUI Builder
Interface 1 x USB memory (for backup)
1 x USB programming
1 x 10/100 base T-Ethernet (network)
I/O: 24/16 standard (8/8 as remote)
1 x RS-232C sztenderd
Expansions I/O 2 option cards:
on each card: +24 inputs / +16 outputs
Fieldbus 1 option card (slave):
RS-232C 2 option cards:
on each card: 2 x RS-232 channels
Vision system CV1 Compact Vision + cameras
programming inside EPSON RC+
Other hardware options TP2 teach pendant
Power requirements main AC 200-240, single phase 50/60Hz
power max. 2500 VA
Humidity 20% - 80%, non-condensing
Dimensions (mm) 380 x 350 x 180
Weight (kg) 7,5
Safety EMERGENCY STOP switch, safety door input, low power mode, dynamic brake
error detection: encoder cable disconnection
detections: motor overload, motor speed error, irregular motor torque (out-of-control manipulator), overheat condition inside a motor driver module, positioning overflow — servo error, speed overflow — servo error, irregular CPU, memory check-sum error, relay deposition, over-voltage, AC power supply voltage drop, temperature anomaly, fan malfunction
Standard CE
ANSI RIA R15.06-1999
EC Machinery Directive 2006/42/EC


for the RC90 Robot Controller

P/S Cable:
Power and Signal cable option: also available in 5 or 10 meter lengths;
Teach Pendant:
EPSON TP1 or TP2 Teach Pendants can be used to teach/re-teach points of the robot without the need to connect the programming PC;
CV1 Compact Vision:
smart camera with a wide range of camera models and lens, camera programming is done directly in EPSON RC+ with communication between the camera and robot program;
I/O option:
additional inputs and outputs to increase the number of digital I/Os;
Serial Connection:
RS-232C option (with 2 channels per card);
Fieldbus, slave:
communication cards (slave): DeviceNet, Profibus, CC-Link;
GUI Builder:
license to build Windows based User Interface to control the robotic cell;
license to integrate robot controls into Your Windows applications;
External Control Point license;


Simple to understand programming language: SPEL+

EPSON robot programming is done in a Windows-based programming environment called EPSON RC+. The programming language itself is called SPEL+.
SPEL+ is very similar to BASIC. It is quick to learn and easy to understand. After programming and compiling in EPSON RC+, the program is transferred to the robot controller. From that point, the controller controlls the robot (without the need of the PC).

Do you need to control other devices as well? No problem. SPEL+ can do a lot more than just robot control. It is a multitasking language, capable of controlling task parallel or independent of the robot.

Complex motion control

SPEL+ includes a wide range ot motion commands: PTP (point-to-point motion), linear motion, CP (continuous path motion), etc. or special motion commands such as Jump or Palletizing commands.

Robot Simulator, to plan ahead

With the use of the 3D robot simulator, you can plan ahead, design and simulate your application before your robot even arrives. Inside EPSON RC+ you can add 3D models to model your robotic cell, and check the cycle times. You can run study and verify your concept ideal before having to manufacture anything.

EPSON RC+ robot simulator EPSON RC+ programming EPSON RC+: robot points table EPSON RC+ Robot Manager EPSON RC+ I/O Panel Security License GUI builder

Camera Systems

EPSON's integrated vision systems

You can choose form a wide range of camera systems offered by the automation industry. But EPSON also provides its own solution. EPSON's vision systems are integrated with the robot's software, making it easy to connect and to access all the parameters and results of the camera system.

CV1, Compact Vision

The CV1 (Compact Vision) controller connects to the robot controller via Ethernet. Programming is done from inside EPSON RC+.
The CV1 supports up to 2 x EPSON USB cameras (VGA, 1.3MP or 5MP).

CV2, Compact Vision

The CV2 connect to the robot controller via Ethernet connection. The CV2 offers quicker processing and supports high speed GigE cameras for faster data transfers. Programming is done inside EPSON RC+. The CV2 supports up to 4 x GigE cameras and up to 2 x USB cameras at the same time.

PV1, PC Vision (for RC700 only)

The EPSON PV1 is a customizable option. It is installed on a Windows PC, that connects to the robot controller. The processing speed is the function of the hardware used. The PV1 support up to 8 x EPSON GigE cameras which are available in different color modes or resolutions.

Please click here for more information about EPSON's Vision Systems.

CV1 kamerás rendszer EPSON USB camera EPSON CV2 camera system EPSON GigE camera Vision Guide

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