IRDH265-422 BENDER

IRDH265-422 BENDER I / O module

Product  Description：

Bender I/O modules are specialized, high-reliability interface devices designed primarily for industrial electrical safety monitoring, hospital medical location technology, and advanced insulation fault location systems. These modules serve as the essential link between Bender’s core monitoring devices (such as insulation monitoring devices or residual current monitors) and external control systems, alarm panels, or actuators. They convert digital or analog safety status signals into actionable data across industrial networks.

Product Parameters

The technical characteristics of Bender I/O modules focus on signal accuracy, network connectivity, and electrical safety isolation:

• Input Configuration: Typically features a mix of digital inputs (potential-free contacts) and analog inputs (0-10V or 4-20mA) for monitoring external system parameters.

• Output Configuration: Equipped with high-integrity relay outputs (often changeover/SPDT contacts) and solid-state digital outputs for immediate fault signaling.

• Network Interfaces: Supports standard industrial networks including Modbus RTU (via RS-485), Modbus TCP (via Ethernet), and Bender’s proprietary BMS (Bender Measuring Device Interface) bus.

• Rated Operational Voltage: Generally designed to operate on flexible supply ranges, typically 24V DC or 100-240V AC/DC, depending on the specific model series.

• Contact Rating: Relay outputs are typically rated to handle up to 5A at 230V AC or 30V DC, ensuring compatibility with standard alarm horns and trip coils.

• Insulation Coordination: High galvanic isolation between the internal logic, communication bus, and field-side inputs, often rated for a rated impulse voltage of 4kV or higher.

Product Advantages

Bender I/O modules provide unique advantages rooted in electrical safety and system transparency:

• Seamless Safety Integration: Designed specifically to complement Bender insulation monitoring systems, passing complex fault data without signal latency or interpolation errors.

• Localized Alarm Routing: Enables localized alarm indication and individual branch tripping in insulation fault location systems, isolating only the faulty circuit while keeping the rest of the plant running.

• Sophisticated Self-Monitoring: Includes internal watchdog circuits and diagnostic routines that monitor the health of the module itself, triggering a fault relay if internal communication fails.

• Compact DIN Rail Enclosure: Space-saving modular housing aligns perfectly with standard industrial control panels and hospital distribution boards.

• Flexible Programmability: Inputs and outputs can be mapped to specific system events (such as pre-warnings, critical faults, or device errors) via central configuration software.

Product Applications

These modules are integrated into environments where electrical uptime and safety are critical:

• Healthcare Facilities: Interfacing with medical IT system monitoring devices to repeat alarms to nurse stations and operating room theater panels.

• Industrial Ungrounded Power Supplies (IT Systems): Expanding the capabilities of insulation monitoring devices in manufacturing plants, chemical processing, and data centers.

• Renewable Energy Installations: Transporting insulation and leakage current status data from solar inverter fields or wind turbine nacelles to a central SCADA system.

• Maritime and Offshore Engineering: Managing fault signal transmission on ships and offshore platforms where ungrounded power networks are utilized for continuous operation.

• E-Mobility Infrastructure: Integrating into high-power charging stations to monitor safety interlocks and communicate ground fault statuses to the charging controller.

Important Precautions

To maintain the safety ratings and ensure the correct operation of Bender I/O modules, the following precautions must be observed:

• Voltage and Current Limits: Never exceed the maximum voltage and current ratings specified for the relay contacts. Switching loads beyond the rated limit can cause contact welding and failure to open during a fault.

• Shielding of Communication Lines: For RS-485 Modbus RTU or BMS bus wiring, always use shielded twisted-pair cables. Ground the shield at one end only to prevent ground loops from corrupting critical safety data.

• Isolation Verification: Ensure that external voltages applied to the digital inputs match the specific input configuration of the module (e.g., active high vs. potential-free contact sensing).

• Environmental Conditions: Install the module inside an enclosure providing adequate protection against conductive dust, moisture, and chemical vapor, as condensation can bridge internal safety isolation paths.

• Disconnection During Dielectric Testing: Disconnect the module’s communication lines and supply connections before performing high-voltage insulation tests on the power distribution wiring to prevent damage to the internal electronics.

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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JUSTWELL PTE. LTD

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.