Description
Product Description
Technical Specifications
- Product Model: E94ASHE0474
- Brand: Lenze
- Warranty: One Year
- Input Voltage: 24 VDC
- Operating Temperature: 0 °C ~ +60 °C
- Storage Temperature: -40 °C ~ +85 °C
- Response Time: ≤ 15 ms
- Protection Class: IP20
- Accuracy Class: SIL 3 safety grade
- Output Frequency: 0–10 kHz
- Rated Current Range: 0–4 A
- Communication Interface: Ethernet
- Supported Protocols: Modbus TCP, SafetyNet
- Overload Capacity: 150% rated current for 60 seconds
- Dimensions: 130 mm × 102 mm × 34 mm
Product Overview
The Lenze E94ASHE0474 is a safety I/O module designed for integration within HIMA safety-related programmable electronic systems used in safety instrumented functions. This module handles discrete input and output signal processing for critical protection loops, continuously monitoring field safety sensors and executing safe actuator commands. Optimized for stable operation under industrial electromagnetic interference, it delivers comprehensive onboard fault diagnosis to speed up troubleshooting and reduce unplanned downtime. Drop-in compatible with matching HIMA rack systems, it supports routine hardware renewal for aging safety control infrastructure. System integrators, site maintenance technicians and process plant operators relying on SIL-compliant safety platforms gain reliable, standards-aligned hardware to sustain emergency shutdown and protection functions.
Application Scenarios
- Petrochemical Emergency Shutdown Systems: Installed inside SIS racks to connect flame detectors, pressure switches and emergency stop buttons. The module detects signal deviations quickly and initiates shutdown sequences, helping facilities satisfy functional safety audit requirements.
- Thermal Power Plant Boiler Protection Loops: Used to monitor boiler safety interlock sensors. Robust signal filtering minimizes false safety trips caused by electrical noise common around burners and auxiliary machinery.
- Pharmaceutical Batch Production Safety Control: Deployed for reactor overpressure and temperature protection loops. The module maintains continuous safety monitoring during batch processing and simplifies scheduled spare part replacement within existing HIMA automation racks.
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