| Product Type | S7-300 Digital Extension |
| Product Model | 6ES7322-5HF00-0AB0 |
| Supply Voltage Type | DC |
| Product Dimensions | 40 MM × 125 MM × 120 MM |
| Input current | Incoming power supply voltage L+, maximum value 160 mA Incoming backplane bus DC 5 V, maximum value 100 mA |
| Weight | 320 g |
High-Performance Analog Output Module for S7-300 Series: Model SM 322 AO 8xU/I, a signal module in the SIMATIC S7-300 PLC system—provides 8 high-precision analog output channels, ideal for precise control of continuous variables such as temperature, pressure, flow, and speed in process automation.
High Accuracy & Resolution:Features a 14-bit D/A converter (effective 16-bit resolution) for smooth and accurate signal output.Basic accuracy as low as ±0.5%, meeting industrial requirements for precision control.
Advanced Diagnostic Capabilities:Supports diagnostics for short-circuit (current channels only), wire break (with external power detection), and out-of-range conditions.LED indicators for RUN and ERROR status.Diagnostic data accessible via STEP 7 software for remote monitoring and troubleshooting.
Industrial-Grade Reliability:Operating temperature range: 0°C to +60°C.Complies with IEC industrial EMC, vibration, and noise immunity standards—ensures stable operation in demanding environments.
Seamless Integration with STEP 7 Engineering Suite:Fully compatible with Siemens STEP 7 software—supports automatic recognition, graphical configuration, online commissioning, and firmware updates—significantly improving engineering efficiency and system maintainability.
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