Digital Module 16 DO

Siemens 6ES7222-1BH32-0XB0 is a digital output signal module for the SIMATIC S7-1200 programmable logic controller. It provides 16 high-speed transistor outputs for controlling a wide range of actuators and devices in industrial automation.

Key Features

• Type: SM 1222, Digital Output (DQ)

• Number of Outputs: 16

• 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): 8 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

• Switching Frequency: Up to 0.5 A resistive load, max. switching frequency

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

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

• Power Supply:

  • From backplane bus (5 V DC): Max. 140 mA

• Power Loss: Typical 2.5 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 installation up to 50°C: All outputs available

• Dimensions: Standard S7-1200 module size

• Weight: Approx. 210 g (varies by source)

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

Typical 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