Digital Output Module

The Siemens 6ES7322-1BH01-0AA0 is a Digital Output Module (SM 322) for the SIMATIC S7-300 series, designed to deliver robust and reliable digital control in industrial environments. This module features 16 optically isolated digital outputs, each rated for up to 0.5 A at 24 V DC, making it suitable for driving a wide range of industrial actuators, solenoid valves, contactors, and indicator lights.

• Outputs: 16 digital outputs, isolated in groups of 8

• Output Voltage: 24 V DC (permissible range: 20.4–28.8 V DC)

• Output Current: 0.5 A per output (maximum 0.6 A under certain conditions)

• Total Current: 4 A per group (maximum 8 A per module)

• Minimum Load Current: 5 mA per output

• Power Loss: Typical 4.9 W

• Load Resistance Range: 48 Ω to 4 kΩ

• Switching Capacity:

  • Lamp load: max. 5 W

  • Resistive load: max. 100 Hz switching frequency

  • Inductive load: max. 0.5 Hz switching frequency

• Short-Circuit Protection: Electronic, with a typical response threshold of 1 A

• Inductive Shutdown Voltage Limitation: To L+ (-53 V)

• Cable Length:

  • Shielded: max. 1,000 m

  • Unshielded: max. 600 m

• Dimensions: 40 x 125 x 120 mm (W x H x D)

• Weight: Approx. 243 g

• Mounting: 1 x 20-pole front connector required

• Isolation: Optocoupler isolation between channels (in groups of 8) and backplane bus

• Diagnostics: Status indicator LED for each output; no advanced diagnostics or alarm functions

• Standards: Compliant with RoHS and REACH regulations