6ES7321-7BH00-0AB0

Product Overview

The 6ES7321-7BH00-0AB0 is a SIMATIC S7‑300 digital input module (SM 321). It supports process interrupts and built‑in diagnostics, making it suitable for high‑speed and safety‑related signal acquisition.

Ambient Conditions

• Operating Temperature: –25°C to +60°C
• Storage Temperature: –40°C to +85°C
• Relative Humidity: 95% at 25°C (non‑condensing)

Physical Specifications

• Width: 40 mm
• Height: 125 mm
• Depth: 120 mm

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