RCMA420-D-2 BENDER

RCMA420-D-2 BENDER Processor module

Product  Description：

Bender Processor Modules are high-performance computational and control units engineered by Bender, a global leader in electrical safety and insulation monitoring. These modules serve as the central intelligence for advanced electrical safety systems, specifically managing data collection, signal processing, and communication for insulation monitoring devices, residual current monitoring systems (RCMS), and hospital isolated power systems (IPS). They analyze complex analog measurements from field sensors, evaluate them against safety thresholds, and execute automated response logic to prevent electrical faults, fires, and equipment damage.

Product Parameters

The technical baseline of a Bender Processor Module is defined by its data processing capacity and compliance with stringent electrical safety standards:

• Nominal Supply Voltage: Operates on standard industrial control voltages, typically 24V DC or wide-range inputs supporting 100V to 240V AC/DC.

• Measurement Evaluation Channels: Capable of processing data from up to 32 or 64 virtual or physical channels simultaneously, depending on the system bus architecture.

• System Bus Architecture: Integrated with proprietary BMS (Bender Measuring Bus) or standard industrial protocols such as Modbus RTU and Modbus TCP.

• Sampling and Evaluation Time: High-speed processing core capable of evaluating residual and leakage current signals within milliseconds to ensure fast tripping or alarming.

• Memory Capacity: Onboard non-volatile memory designed to log historical fault data, system parameters, and up to several thousand alarm events with precise time stamping.

• Environmental Protection: Housed in compact DIN-rail mountable modules, featuring terminal blocks with standard IP20 finger-safe protection ratings.

Product Advantages

Bender Processor Modules are highly regarded for their precision, safety integration, and advanced diagnostic capabilities:

• Centralized Monitoring Intelligence: Consolidates data from multiple distributed insulation and residual current sensors, providing a single point of truth for a facility's electrical health.

• High Electromagnetic Compatibility: Engineered to operate flawlessly in environments with severe electrical noise, such as near variable frequency drives (VFDs) or large industrial switchgear.

• Predictive Maintenance Insights: By tracking subtle degradation in insulation resistance over time, the processor allows maintenance teams to fix faults before an actual electrical short circuit or breakdown occurs.

• Seamless Network Integration: Acts as an intelligent data gateway, converting proprietary sensor readings into open communication protocols for easy integration into building management systems (BMS) or SCADA platforms.

• Fail-Safe Self-Diagnostics: Constantly monitors its own hardware integrity, power supply, and connection to field sensors, automatically triggering a system alarm if an internal fault is detected.

Product Applications

These processor modules are deployed across critical infrastructures where electrical continuity and safety are paramount:

• Healthcare and Medical Facilities: Managing the isolated power systems in operating rooms and intensive care units to detect dangerous leakage currents without interrupting life-support equipment.

• Renewable Energy Systems: Monitoring the insulation resistance of large photovoltaic (PV) solar fields and wind turbine electrical systems to prevent fire hazards.

• Data Centers and IT Facilities: Tracking residual currents in continuous power distribution units (PDUs) to prevent unexpected system shutdowns and data corruption.

• Maritime and Offshore Engineering: Controlling the electrical safety infrastructure on ships, oil rigs, and subsea systems operating on ungrounded (IT) power networks.

• E-Mobility Charging Infrastructure: Evaluating continuous insulation parameters within high-power DC fast-charging stations to protect users from electric shock.

Important Precautions

To ensure proper functionality and maintain system safety certifications, the following guidelines must be strictly observed:

• Strict Voltage Isolation: Always ensure that the power supply to the module and all monitored lines are completely disconnected before attempting installation, removal, or manual wiring adjustments.

• Functional Grounding Connection: The functional earth terminal of the module must be connected directly to the main equipotential bonding rail with a low-impedance conductor to guarantee precise measurement reference points.

• Correct Address Assignment: When multiple modules or sensors are connected to the same BMS bus, unique device addresses must be manually or digitally assigned to avoid communication conflicts and data errors.

• Shielding and Separation: Keep communication bus lines physically separated from high-voltage cables inside the control panel to minimize the risk of inductive noise coupling distorting data transmissions.

• Configuration Validation: After installing or replacing a processor module, always verify that the alarm threshold parameters (such as minimum insulation resistance in Ohms or maximum residual current in Milliamperes) match the specific safety requirements of the electrical installation.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.