Digital Module 8 DO

Siemens 6ES7222-1BF32-0XB0 is a digital output signal module for the SIMATIC S7-1200 programmable logic controller. It provides eight solid-state transistor outputs for controlling actuators and devices in industrial automation.

Key Features

• Type: SM 1222, Digital Output (DO)

• Number of Outputs: 8

• Output Type: 24 V DC, transistor (solid-state, current-sourcing)

• Output Voltage:

  • Rated value: 24 V DC

  • Signal "0": Max. 0.1 V (with 10 kΩ load)

  • Signal "1": Min. 20 V DC

• Output Current:

  • Per channel: 0.5 A (max)

  • Aggregate current (per group): 4 A (max, horizontal installation up to 50°C)

• Switching Capacity:

  • Resistive load: Max. 0.5 A per channel

  • Lamp load: Max. 5 W per channel

• Output Delay:

  • "0" to "1": Max. 50 µs

  • "1" to "0": Max. 200 µs

• Short-Circuit Protection: No (external protection required)

• Inductive Shutdown Voltage Limitation: L+ (–48 V)

• Power Supply:

  • Permissible range: 20.4–28.8 V DC

  • From backplane bus (5 V DC): Max. 120 mA

• Power Loss: Typical 1.5 W

• Cable Length:

  • Shielded: Max. 500 m

  • Unshielded: Max. 150 m

• Diagnostics:

  • Diagnostic alarm: Yes

  • Diagnostic messages: Yes

  • Monitoring the supply voltage: Yes

  • Diagnostics indication LED: For status of outputs and maintenance

  • Status indicator (green): For each digital output

• Galvanic Isolation:

  • Between channels: Yes, in groups of 1

  • Between channels and backplane bus: 500 V AC

• Protection: IP20

• Operating Temperature:

  • Horizontal: -20°C to +60°C

  • Vertical: -20°C to +50°C

• Storage Temperature: -40°C to +70°C

• Relative Humidity: Up to 95% at 25°C (non-condensing)

• Dimensions: 45 mm (width) × 100 mm (height) × 75 mm (depth)

• Weight: Approx. 180 g

• Certifications: CE, CSA, UL, cULus, C-TICK, FM, marine approval

Applications

• Control of actuators, valves, relays, and indicator lamps

• Automation and process control in industrial environments

• Expansion of digital output capacity on SIMATIC S7-1200 PLCs