The 6ES7321-1BH02-0AA0 is a digital input module from Siemens SIMATIC S7-300 series, providing 16 digital input channels with rated input voltage of 24V DC. This module features high reliability, fast response characteristics and complete electrical isolation, suitable for signal acquisition and status monitoring in industrial automation control systems.
Provides 16 independent digital input channels supporting 24V DC signal input
Uses optoelectronic isolation technology with electrical isolation between channels and backplane bus
Each channel equipped with LED status indicator for real-time input signal display
Supports front connector wiring for easy installation and maintenance
Complies with industrial environment standards with strong anti-interference capability
Fully compatible with SIMATIC S7-300 series PLCs
Parameter | Value |
Number of Inputs | 16 points |
Rated Input Voltage | 24V DC |
Input Current | Approx. 7mA per point |
Response Time | ≤2ms |
Isolation Method | Optoelectronic isolation |
Connection Method | 20-pin front connector |
Power Consumption | 1.5W from backplane |
Operating Temperature | 0-60°C |
Protection Rating | IP20 |
Weight | Approx. 237g |
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