SECS/GEM Simulation & Testing Suite for SEMI Standards Testing

EIGEMSim is a SECS/GEM simulator software that is used for testing SECS/GEM compliance of your equipment software. It simulates Factory Host with most SECS messages that are used for testing pre-bundled.

Download SECS/GEM Simulator – 30-Day Free Trial

SECS/GEM Communication Simulator Software

EIGEMSim is a powerful and comprehensive SECS/GEM Simulator and Tester built specifically for validating SEMI standard communications. It accurately emulates a factory host environment using a wide range of pre-configured SECS message scenarios, enabling engineers to test equipment behavior without relying on live fab systems.

With its robust simulation capabilities, EIGEMSim helps streamline integration, reduce deployment risks, and ensure compliance with SEMI standards such as E30 and E37. This makes it an essential tool for semiconductor equipment manufacturers and automation teams.

• SECS GEM testing tool scenarios
• SECS GEM protocol simulator validation
• SECS GEM integration testing
• SECS GEM compliance testing

What Is EIGEMSim?

EIGEMSim is a robust SECS/GEM simulator software designed to test and validate the compliance of equipment software with SEMI standards. It supports both SECS/GEM host simulator and equipment simulator modes, enabling engineers to replicate real-world host-equipment interactions with accuracy.

By simulating complete SECS/GEM communication workflows, EIGEMSim allows early detection of issues, accelerates debugging processes, and significantly reduces integration risks, ensuring smoother deployment in semiconductor manufacturing environments.

Problem Statement – Customer Pain Points

Challenges Without a SECS/GEM Simulator

• Dependency on factory host availability
• Long development and testing cycles
• Delays in SEMI compliance validation
• Delays in SEMI compliance validation
• High integration and rework costs
• Limited visibility into SECS/GEM message behavior

 

EIGEMSim addresses these challenges with an easy-to-use SECS/GEM Simulator download that accelerates development and testing.

Customer Value

01

Time Is Money

Save months in software development costs. EIGEMSim integrates easily into your existing equipment software.

02

Efficient

Lightweight and CPU-efficient, EIGEMSim leaves sufficient headroom for other equipment software tasks.

03

Future-Ready

Contains all the features that SECS/GEM has to offer, allowing you to take advantage of them at any time.

Core Capabilities & Technical Specifications 

1. Bidirectional Emulation (Host & Equipment)

EIGEMSim supports dual-mode operation:

• Equipment Simulation: Emulate complex tool behavior to test MES or Station Control logic.
• Host Simulation: Validate GEM interfaces by simulating host commands such as remote starts, parameter changes, and data requests.

2. Comprehensive Protocol Support

Built on industry standards:

• SECS-I (RS-232)
• HSMS (TCP/IP)
• SECS-II message structures
• GEM (SEMI E30) compliance testing

This ensures compatibility across modern and legacy semiconductor environments.

3. Advanced Scenario Scripting & Automated Testing

EIGEMSim enables:

• Automation of repetitive test cases
• Simulation of edge cases and error conditions
• Generation of detailed compliance logs for audits and validation

4. Real-Time Message Logging & Analysis

All incoming and outgoing S-type and F-type messages are logged and human-readable, simplifying debugging and reducing deployment cycles.

Features of EIGEMSim

Simulation

Configurable to simulate Factory Host or Equipment

01

Interface

Intuitive UI for configuring and sending SECS messages

02

MessageLibrary

Bundled with most SECS messages needed for testing

03

Logging

Logs of all incoming and outgoing SECS/GEM messages

04

Testing

Supports SECS/GEM message simulator use cases

05

Compliance

Optimized for SEMI standards testing software

06

Multi-Platform Support

Supported Standards & Technologies

SECS-I HSMS SECS-II SEMI E5 SEMI E30 (GEM)

SECS-I

SECS-I enables reliable serial communication between semiconductor equipment and host systems for efficient automation integration.

HSMS

HSMS protocol supports fast, reliable communication between host and equipment in modern semiconductor automation systems globally.

SECS-II

SECS-II defines structured message formats for semiconductor communication, enabling reliable data exchange between host systems and equipment.

SEMI E5

SEMI E5 enables standardized SECS-II communication, improving interoperability between semiconductor equipment and host systems efficiently.

SEMI E30 (GEM)

SEMI E30 GEM provides framework for equipment communication, supporting data collection, control, and automation in semiconductor industries.

How It Works

Install EIGEMSim on your preferred platform

Easily install EIGEMSim on your preferred operating system and set up the simulator quickly for SECS/GEM communication testing.

Configure it as a host or equipment simulator

Configure the tool to work as either a host simulator or equipment simulator depending on your testing requirements.

Connect it to your equipment software

Seamlessly connect EIGEMSim with your equipment or host software to simulate real semiconductor communication environments.

Exchange and analyze SECS/GEM messages

Send, receive, and monitor SECS/GEM messages to analyze communication flow and troubleshoot issues.

Validate compliance and communication behavior

Test and verify that your system follows SECS/GEM standards and ensure reliable communication behavior.

Differentiators – Why eInnoSys & EIGEMSim

 

• Lightweight and agile compared to traditional simulators
• Faster deployment with minimal setup
• Cost-effective scalability for testing teams
• Built-in scripting tailored for SECS/GEM workflows
• Strong domain expertise from semiconductor automation specialists

 

Integration Services Ensuring Security & Reliability

Integration Services

We leverage our expertise to understand your requirements and provide integration services that work best for your environment:

• SECS/GEM integration support
• Custom testing scenarios
• Equipment software validation

Security & Reliability

• Stable, production-ready simulator
• Reliable message handling and logging
• Designed for semiconductor manufacturing environments
• Trusted by Tier-1 fabs across the world

Key Use Cases

For OEMs

Verify that equipment interfaces meet SEMI standards and provide proof of compliance to customers.

For Fabs & Integrators

Test MES or controller logic against simulated tools before equipment arrives on the fab floor.

For QA Teams

Perform stress testing and long-haul simulations to ensure stable SECS/GEM communication.

Simplify SECS/GEM Testing with EIGEMSim

Accelerate development, reduce integration risks, and ensure SEMI compliance with a proven SECS/GEM Tester & Simulator.

• Download SECS/GEM Simulator (30-Day Free Trial)

Simplify SECS/GEM Testing with EIGEMSim

Accelerate development, reduce integration risks, and ensure SEMI compliance with a proven SECS/GEM Tester & Simulator.

Download SECS/GEM Simulator (30-Day Free Trial)

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Case Studies

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Transformation of Legacy Fab Equipment for Honeywell

Honeywell modernized legacy fab equipment without intrusive upgrades. By enabling SECS/GEM connectivity, AI-based vacuum pump health monitoring, and…

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Eliminating Human Error in OSAT Operations & Implementation of SECS/GEM for Amkor Technology

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View case study

Critical Semiconductor Metrology for Four Dimensions (4D)

Four Dimensions, a semiconductor probing leader since 1978, faced performance limitations with their existing SECS/GEM SDK while handling…

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Frequently Asked Questions.

What is EIGEMSim?

EIGEMSim is a SECS/GEM simulator software developed by Einnosys. It allows users to test and validate the SECS/GEM compliance of their equipment software by simulating a Factory Host with most SECS messages pre-bundled. This helps ensure your tool’s communication aligns with SEMI standards before production deployment.

How does EIGEMSim benefit my manufacturing process?

EIGEMSim helps identify and resolve SECS/GEM communication issues early in the development phase. By doing so, it minimizes integration errors, reduces debugging time, and ensures smoother host-to-equipment communication—resulting in faster time to market and improved equipment reliability.

What features does EIGEMSim offer?

EIGEMSim offers a wide range of powerful features, including:

• Simulation of both Factory Host and Equipment sides
• Preloaded SECS messages for comprehensive testing
• Multi-platform support (Windows, Linux/Unix, Android)
• Intuitive graphical user interface for sending and monitoring SECS messages
• Real-time logging of all SECS communication
• These capabilities make it a complete SECS/GEM testing and validation solution.

Can EIGEMSim be used with any equipment?

Yes. EIGEMSim is compatible with a wide range of semiconductor manufacturing tools and OEM equipment. It can simulate SECS/GEM communication between your tool controller and the host system, regardless of the equipment type or platform.

Can EIGEMSim be used with any equipment?

Yes. EIGEMSim is compatible with a wide range of semiconductor manufacturing tools and OEM equipment. It can simulate SECS/GEM communication between your tool controller and the host system, regardless of the equipment type or platform.

How do I get started with EIGEMSim?

You can easily install EIGEMSim on your computer or server. Follow the setup instructions provided by Einnosys, configure your communication parameters, and start simulating SECS/GEM exchanges. You can also request a 30-day free trial to explore its full capabilities before purchasing.

 

Does EIGEMSim require special training?

No. EIGEMSim is designed with an intuitive and user-friendly interface. Most customers use it without any prior training or manual reading—it’s that simple to get started.

On which platforms does EIGEMSim run?

EIGEMSim supports Windows, Linux/Unix, and Android platforms, offering flexibility to integrate into different equipment development environments.

Can EIGEMSim be customized for specific fab requirements?

Yes. Einnosys provides custom integration services to tailor EIGEMSim’s setup, message configuration, and reporting based on your fab’s automation and host communication needs.

Who uses EIGEMSim?

EIGEMSim is trusted by Tier-1 fabs and OEMs across the world for testing SECS/GEM compliance, validating equipment interfaces, and ensuring smooth host integration during factory automation projects.