E94AZMS0184 LENZE

E94AZMS0184 Termination Unit

Product  Description：

Lenze Termination Units are essential hardware components utilized primarily within the Lenze I/O System 1000 and various fieldbus communication networks. These units serve as the physical and electrical conclusion of an I/O node or a communication segment. By capping the internal backplane bus or completing the external network line, termination units prevent signal reflection, ensure high-speed data integrity, and mechanically seal the end of a modular hardware assembly against environmental contaminants.

Product Parameters

The technical characteristics of Lenze Termination Units focus on precise electrical impedance and physical robustness:

• Bus Protocol Compatibility: Designed to terminate the internal Lenze backplane bus or external networks such as CANopen, EtherCAT, PROFINET, or the proprietary Lenze system bus.

• Electrical Impedance: Contains integrated precision resistors (for example, 120 ohms for CAN-based networks) perfectly matched to the characteristic impedance of the transmission cables.

• Power Requirements: Typically passive, drawing no external power, or utilizing the standard 24V DC backplane voltage to power internal diagnostic circuits.

• Connection Interface: Features robust spring-clamp or screw terminals for secure, vibration-resistant wiring on fieldbus versions.

• Mounting Method: Designed for standard 35mm DIN rail mounting, featuring a mechanical locking clip to secure the entire I/O block.

• Operating Environment: Engineered for standard industrial conditions, maintaining reliable operation in ambient temperatures from 0 degrees Celsius to 55 degrees Celsius.

Product Advantages

Integrating a Lenze Termination Unit into an automation architecture provides critical electrical and structural benefits:

• Superior Signal Integrity: Absorbs the electrical energy at the end of a communication line, eliminating signal reflections that cause data packet loss and network faults.

• Mechanical Stability: Acts as a robust physical end-cap, holding adjacent electronic modules tightly together and preventing vibration-induced disconnection on the DIN rail.

• Plug and Play Deployment: Requires zero software configuration or parameterization; the unit functions strictly through physical installation.

• Space Efficiency: Features an ultra-slim form factor that fulfills a mandatory electrical role without consuming valuable control cabinet space.

• Dust and Contact Protection: Physically covers the exposed backplane connector pins of the last I/O module, protecting the sensitive internal logic bus from conductive dust and accidental short circuits.

Product Applications

These units are a mandatory requirement in distributed control systems and synchronized drive networks:

• Modular Machinery: Capping the Lenze I/O System 1000 nodes in packaging machines, textile equipment, and printing presses.

• Drive Synchronization: Terminating the system bus between multiple Lenze servo drives and frequency inverters to ensure perfectly coordinated multi-axis motion.

• Intralogistics and Conveyors: Securing the communication lines that run alongside extensive warehouse sorting systems to maintain signal strength over long cable runs.

• Distributed Automation: Ensuring stable communication in decentralized topologies where remote I/O islands must communicate reliably with a central PLC.

• Robotic Workcells: Providing stable network termination in high-vibration environments like end-of-arm tooling or automated welding stations.

Important Precautions

To guarantee network stability and prevent hardware damage, the following installation guidelines must be observed:

• Mandatory Placement: The termination unit must be installed at the absolute physical end of the I/O block or the communication daisy-chain. Missing this unit will cause immediate network communication failures.

• Protocol Matching: When terminating a fieldbus network, ensure the termination resistance strictly matches the protocol specifications. Using an incorrect resistor value will distort the signal waveform.

• Power-Off Installation: Always disconnect the main power supply to the I/O rack and drive network before attaching or removing the termination unit to prevent electrical arcing on the backplane pins.

• Mechanical Locking: Verify that the unit is fully snapped onto the DIN rail and pushed tightly against the adjacent module. A loose connection will interrupt the continuity of the internal backplane bus.

• Single Termination Rule: Never install more than the required number of termination units on a single network segment (typically one at each physical end of a linear bus topology), as over-termination will overload the network drivers.

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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