Description
Technical Specifications
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Product Model: E94AZCUS
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Brand: Lenze
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Warranty: One Year
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Input Voltage: 24 VDC auxiliary control voltage
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Operating Temperature: 0 °C ~ +60 °C
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Storage Temperature: -40 °C ~ +85 °C
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Response Time: ≤ 5 ms signal processing delay
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Protection Class: IP20
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Accuracy Class: Industrial signal calibration grade
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Output Frequency: N/A (Signal & communication auxiliary module)
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Rated Current Range: 0–0.5 A control current
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Communication Interface: System bus expansion interface
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Supported Protocols: Lenze system internal bus, diagnostic protocol
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Overload Capacity: 120% continuous control current tolerance
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Dimensions: 95 mm × 45 mm × 18 mm

Product Overview
The Lenze E94AZCUS is a dedicated auxiliary expansion and service module designed exclusively for Lenze 9400 series servo drive systems. This compact industrial module serves as a core system diagnosis and signal expansion unit, supporting drive parameter calibration, system fault monitoring, and internal bus signal stabilization for standard and high-performance Lenze servo drives. It resolves common operational pain points including weak signal transmission, incomplete diagnostic data, and limited system expandability on legacy drive setups. As a pluggable expansion component, it requires no major wiring modifications and seamlessly integrates with existing 9400 series racks. Automation integrators, equipment maintenance technicians, and OEM manufacturers benefit from this module by achieving enhanced drive system transparency, faster fault troubleshooting, and extended operational reliability of precision motion control systems.
Application Scenarios
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Servo Drive System Diagnostic Enhancement: Installed on Lenze 9400 servo drives to expand real-time system monitoring functions. The E94AZCUS collects detailed operational data including current fluctuation, temperature variation, and internal bus status, enabling precise fault location and predictive maintenance. This eliminates blind troubleshooting and reduces unplanned equipment downtime in continuous production environments.
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High-Precision Motion Control Calibration: Used in precision automation equipment requiring consistent servo performance, such as automated dispensing and precision positioning machinery. The module stabilizes internal control signals and supports regular drive parameter calibration, ensuring long-term positioning accuracy and repeatability of servo axes under cyclic operating conditions.





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