Description
1. Product Description
2. Product Parameters
| Parameter | Details |
|---|---|
| Power Supply | Operates on a 24V DC power supply, providing a stable and consistent energy source for the board’s internal circuits. |
| Input Signals | Accepts a variety of input signals. It can handle analog input signals, typically in the range of 0 – 10V or 4 – 20mA, representing electrical and non – electrical parameters. Digital input signals are also supported for status information and discrete control signals. |
| Output Signals | Generates both analog and digital output signals. Analog output signals can be used to control devices that require a variable signal, such as proportional valves. Digital output signals are used to drive relays and contactors for on – off control. |
| Communication Interface | Equipped with an RS – 485 serial communication interface, enabling seamless data exchange with other control devices in the excitation system or a central monitoring station. This allows for remote monitoring, configuration, and diagnostic functions. |
| Operating Temperature Range | Designed to operate within a temperature range of – 20°C to 60°C, suitable for a wide range of industrial environments. |

3. Advantages and Features
- High – Density Signal Handling: The IS200ERIOH1A can handle a large number of input and output signals in a compact form factor. It has multiple input and output channels, allowing it to interface with numerous sensors and control devices simultaneously. This high – density signal handling capability reduces the need for multiple interface boards, saving space and cost in the control cabinet.
- Accurate Signal Conversion: The board offers accurate conversion of input signals. It can precisely convert analog signals to digital values for processing by the main control unit and vice versa for output signals. This accuracy ensures that the control system receives reliable data and can send out precise control commands, leading to better control of the generator’s excitation system.
- Reliability: Built with high – quality components and a robust design, the IS200ERIOH1A is highly reliable. It can withstand harsh industrial conditions, including electrical noise, voltage spikes, and mechanical vibrations. In long – term operation, it has a low failure rate, ensuring continuous and stable operation of the excitation system.
- Flexible Configuration: The board allows for flexible configuration of its input and output channels. Users can define the type of input and output signals (analog or digital), the signal range, and other parameters according to the specific requirements of the generator and the excitation system. This flexibility makes it suitable for a wide variety of applications.
4. Application Areas and Application Cases
- Application Areas: The IS200ERIOH1A is mainly used in power generation facilities, including thermal power plants, hydropower plants, and gas – fired power plants. It is also applicable in industrial settings where large – scale generators are used for self – power generation, such as in large manufacturing plants, refineries, and data centers.
- Application Case: In a hydropower plant, the IS200ERIOH1A is installed in the generator’s excitation control system. It receives input signals from sensors that measure the generator’s stator voltage, rotor current, and the temperature of the exciter. After processing these signals, it sends control signals to adjust the field current of the generator through the excitation system. This ensures that the generator maintains a stable output voltage and frequency, even when the water flow through the turbines changes due to seasonal variations or reservoir management.
5. Comparison with Competing Products

6. Selection Suggestions
- Compatibility: Ensure that the IS200ERIOH1A is compatible with your existing generator excitation system. Check the communication interfaces, power supply requirements, and input/output signal types to avoid integration issues.
- Performance Requirements: Evaluate your specific application requirements, such as the number of input and output channels needed, the accuracy of signal conversion, and the response time. Make sure the IS200ERIOH1A can meet these performance criteria.
- Budget: Consider your budget when selecting the product. While the IS200ERIOH1A offers high – quality performance, it is important to ensure that it fits within your financial constraints.
7. Precautions
- Installation: Follow the installation instructions in the product manual carefully. Incorrect wiring, improper grounding, or incorrect mounting can cause damage to the board or lead to signal interference.
- Operating Environment: Keep the operating environment of the IS200ERIOH1A within the specified temperature and humidity range. Avoid exposing it to strong electromagnetic interference, corrosive substances, and excessive dust, as these can degrade the performance and lifespan of the board.
- Maintenance: Regularly inspect the board for any signs of damage, loose connections, or abnormal operation. Follow the recommended maintenance schedule, including cleaning and component testing, to ensure the long – term stable operation of the IS200ERIOH1A.
IC660ELB912J
High-Speed Gigabit Ethernet Connectivity
The IC660ELB921M provides 1Gbps throughput and dual-port flexibility at approximately 1.5 times the cost of the single-port IC660ELB910, making it ideal for users with high-bandwidth needs. A German automotive assembly plant used 12 IC660ELB921M modules to build a gigabit Ethernet network for its RX3i-based production line control system: each module connected an RX3i rack (equipped with IC695CPU331) to 8 robotic arms and 2 HMI terminals. The 1Gbps throughput supported real-time transmission of robotic motion data (1000 data points per second per robot), and the dual-port design enabled separate networks for control and monitoring—reducing data latency by 70% compared to the IC660ELB910, ensuring precise coordination of the assembly line.
Redundant Ring Network for Uninterrupted Operation
Unlike single-port modules (where a cable break shuts down communication), the IC660ELB921M’s ring topology support ensures network redundancy. A US integrated power plant deployed 18 IC660ELB921M modules in a ring network connecting 18 RX3i racks (controlling turbines, boilers, and generators): when a cable between two modules failed, the network recovered within 250ms, and all control loops continued operating without interruption. This reduced unplanned downtime from 4 hours (with single-port modules) to 0 minutes, avoiding $200,000 in lost power generation revenue per incident.
Multi-Protocol Compatibility for Interoperability
Supporting Modbus TCP, Ethernet/IP, and DNP3.0 protocols, the IC660ELB921M ensures seamless integration with diverse industrial devices. A Chinese smart factory used 8 IC660ELB921M modules to connect its RX3i PLC system with third-party equipment: 4 modules acted as Modbus TCP clients to collect data from Siemens S7-1200 PLCs (controlling conveyors), 2 modules served as Ethernet/IP adapters to communicate with Allen-Bradley VFDs, and 2 modules ran DNP3.0 over IP to send data to the plant’s SCADA system. This compatibility avoided the need for expensive protocol converters (which would have cost $30,000), reducing integration costs by 60%.
Advanced Security and Remote Diagnostics
Equipped with 802.1X authentication and a built-in web server, the IC660ELB921M enhances network security and simplifies maintenance. A Middle Eastern oil refinery deployed 10 IC660ELB921M modules in its hazardous area RX3i systems: 802.1X authentication prevented unauthorized access to the control network, and the web server allowed engineers to remotely configure IP addresses and run ping tests. During a recent maintenance cycle, engineers used the built-in packet capture tool to diagnose a communication issue with a DNP3.0 SCADA link—reducing troubleshooting time by 80% compared to modules without remote diagnostics.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
- 1. Email confirmation
You will get an email confirming that we have received your enquiry. - 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition. - 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
Full 12-month warranty on all components