Description
Product Overview
The 6ES7321-7RD00-0AB0 SM 321 module is part of the SIMATIC S7-300 series and is specifically designed for safe signal acquisition from hazardous environments. With NAMUR/DIN 19234 compliance and PTB testing, it ensures reliable operation under potentially explosive or dangerous conditions. Its diagnostic capabilities provide real-time monitoring of module and input status, making it ideal for process automation and industrial control systems requiring intrinsic safety.
Key Features
Isolated digital input module for S7-300
4 digital inputs, 24 V DC
NAMUR/DIN 19234 certified for hazardous area signals
PTB tested for intrinsic safety
Diagnostics-capable for monitoring module and input status
Designed for safe operation in hazardous environments
Warranty & After-Sales
Factory New Products: 12-month Kairock warranty
Refurbished/Used Products: 3–6 months Kairock warranty
Professional Siemens product support
Delivery Time
In stock: 3–5 working days
Non-stock/custom orders: Per agreement
Why Choose Kairock
Trusted Chinese trading company with global sourcing and supply chain advantage
100% genuine Siemens automation products
Expertise in providing components for hazardous and industrial areas
Global shipping with fast and reliable delivery
Serving automation distributors, system integrators, and service providers worldwide
Applications
Intrinsically safe signal acquisition
Hazardous area industrial automation
Process control and monitoring
Distributed I/O systems in high-risk environments
Reviews
There are no reviews yet.