About

Siemens SM 1223 – Digital I/O Module (6ES7223-1PL32-0XB0)

SIMATIC S7-1200

• Type: 16 DI / 16 DO

• Digital Inputs: 16 × 24 V DC, Sink/Source

• Digital Outputs: 16 × Relay, 2 A

• Front connector: Required

Supply Voltage

• Rated: 24 V DC

• Permissible range: 20.4 – 28.8 V

Digital Inputs (DI)

• Number: 16

• Groups: 2

• Input voltage: 24 V DC

  • Signal “0”: 5 V DC, 1 mA

  • Signal “1”: 15 V DC, 2.5–4 mA

• Input delay: 0.2 – 12.8 ms, parameterizable

• Cable length:

  • Shielded: max. 500 m

  • Unshielded: max. 300 m

Digital Outputs (DO)

• Number: 16

• Groups: 4

• Type: Relay

• Rated output voltage:

  • DC: 5 – 30 V

  • AC: 5 – 250 V

• Max. output current: 2 A per relay

• Switching capacity:

  • Resistive: 2 A

  • Lamp: 30 W DC / 200 W AC

• Output delay: 0 → 1: max 10 ms, 1 → 0: max 10 ms

• Cable length:

  • Shielded: max. 500 m

  • Unshielded: max. 150 m

Protection & Separation

• Short-circuit protection: Not included (external required)

• Potential separation:

  • DI channels: in groups of 2

  • DO relays: in groups of 4

  • Channels ↔ backplane bus: 1,500 V AC for 1 min

• Permissible potential difference: 750 V AC for 1 min

• IP rating: IP20

Diagnostics

• Diagnostic alarm: Yes

• LED indicators: Input/output status

Environmental Conditions

• Operating temperature: -20 °C to 60 °C

  • Max simultaneously active outputs: 8 at 60 °C, 16 at 55 °C

• Storage temperature: -40 °C to 70 °C

• Relative humidity: max. 95% (non-condensing)

• Free fall: max. 0.3 m, 5 times in package

• Air pressure: 660 – 1080 hPa

Mechanical Data

• Dimensions: 70 × 100 × 75 mm (W × H × D)

• Weight: approx. 350 g

• Enclosure material: Plastic

Technical Details