Product Overview: The Siemens SIMATIC S7-300 SM 322 Digital Output Module (Part No. 6ES7322-1BH00-0AA0 / 6ES73221BH000AA0) is a high-performance, robust I/O component designed for the SIMATIC S7-300 programmable logic controller (PLC) system. This essential module provides 16 digital outputs, each capable of switching 24V DC at 0.5A, making it perfectly suited for controlling a wide array of industrial actuators such as relays, contactors, indicator lights, and small solenoids. Engineered for exceptional reliability and seamless integration into existing or new automation architectures, the SM 322 enhances the flexibility and scalability of your industrial automation solutions. It ensures precise, dependable control and robust operation in even the most demanding industrial environments, optimizing machine control and process automation for various applications.
Key Features & Benefits:

 
Technical Specifications:

Part Number: 6ES7322-1BH00-0AA0
Alternative Part Number: 6ES73221BH000AA0
Product Type: Digital Output Module
Series: SIMATIC S7-300
Model: SM 322
Number of Digital Outputs: 16 channels
Output Voltage: 24V DC
Output Current per Channel: 0.5A
Total Current (per group of 8 outputs): Max. 4A
Output Type: Sourcing (PNP)
Isolation: Optically isolated
Diagnostics: Short circuit, wire break (load-dependent)
Front Connector Required: Yes (40-pin)
Weight: Approx. 0.25 kg (0.55 lbs)
Operating Temperature: 0 to 60 °C (32 to 140 °F)