The YOKOGAWA Weidmüller 8662560000 Terminal Module is a universal terminal module under Yokogawa Electric, which is compatible with the CENTUM VP and CS series distributed control systems (DCS). It is usually used in conjunction with Yokogawa analog input modules, serving for signal conversion, electrical isolation and safe wiring between field instruments and control systems.
It provides a stable and reliable access channel for analog signals (e.g., 4-20mA, thermocouples, thermal resistors, etc.) in industrial processes, ensuring the accuracy and safety of data acquisition. Widely applied in process industries such as petrochemicals, chemicals, electric power and pharmaceuticals, this module can meet the requirements of signal transmission and anti-interference in harsh industrial environments. Meanwhile, it supports rapid maintenance and hot-swappable operation, enhancing system availability and engineering efficiency.
Core Parameters
Compatible Systems: CENTUM VP and CS series DCS.
Signal Types: Compatible with DC voltage, standard 4-20mA signals, thermocouples (TC), resistance temperature detectors (RTD), DC current (external shunt resistor required), digital inputs (voltage/contact), etc.
Channel Configuration: 8-channel isolated analog input channels with electrical isolation between channels to effectively suppress signal crosstalk.
Terminal Type: M3 screw terminals equipped with transparent covers. It supports integral plug-and-play, enabling convenient wiring and excellent vibration resistance.Electrical Isolation: Optical-electrical isolation is provided between channels and between channels and the system. The insulation resistance is ≥ 100 MΩ (at 500V DC) with a withstand voltage of 500V AC, ensuring the safety of both the system and personnel.
Contact Material: High-conductivity copper alloy with gold plating. It features low contact resistance and oxidation resistance, guaranteeing low-loss signal transmission.
Environmental Adaptability: The operating temperature ranges from 0℃ to 50℃, and the relative humidity is 5% to 90% RH (non-condensing), making it adaptable to temperature and humidity fluctuations in industrial sites.
Mounting Method: DIN rail or cabinet rack mounting is available. The dimensions are approximately 127×229×178mm and the weight is about 0.3kg, which helps save installation space.
Protection Functions: Equipped with shielding grounding terminals (FG/SHIELD) to suppress common-mode noise and ground loop interference. It supports hot swapping, allowing live maintenance and improving the system's continuous operation capability.
Core Functions
Signal Adaptation and Conversion: Compatible with various commonly used industrial signal types. It can connect field instrument signals to the DCS without additional signal conversion equipment, simplifying the system architecture and reducing equipment costs.
Electrical Isolation Protection: Adopts optoelectronic isolation technology to isolate the field-side and system-side circuits, preventing field faults such as surges and short circuits from affecting the control system. Meanwhile, it avoids signal interference between different channels, ensuring measurement accuracy.
Convenient Wiring and Maintenance: Uses modular pluggable terminal blocks, combined with clear channel identifiers (such as CH1+, CH1-, COM, etc.), which greatly reduces the wiring error rate. It supports hot swapping, enabling maintenance without shutting down the machine and shortening fault handling time.
Anti-Interference Design: Independent shielded grounding terminals can quickly connect to the shielding layer of field cables, suppressing electromagnetic interference (EMI) and radio frequency interference (RFI), and ensuring high-fidelity transmission of weak signals. It is especially suitable for high-precision measurement under complex working conditions.
System Compatibility: Seamlessly integrates with Yokogawa analog input modules (such as F3XA series, GX90XA series), supports on-line system upgrade and expansion, and is suitable for industrial control projects of different scales.
Application Scenarios
Process Industry Process Monitoring: In petrochemical and chemical plants, it is used for the collection of analog signals such as temperature, pressure, and flow. It is compatible with thermocouples, resistance temperature detectors (RTDs), and transmitter output signals, providing data support for process control.
Power Industry Parameter Collection: Suitable for connecting signals such as temperature, pressure, and liquid level of steam turbine and boiler systems in power plants, ensuring stable monitoring of the power generation process.
Pharmaceutical and Water Treatment: Used for instrument signal conversion in clean areas or corrosive environments. Its electrical isolation feature complies with industry safety standards, and it is convenient for system verification and maintenance.
Metallurgy and Manufacturing: Compatible with various sensor signals on production lines, supporting rapid line change and equipment transformation, and improving production line flexibility and maintenance efficiency.
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YOKOGAWA Weidmüller 8662570000 Terminal board
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