Product: Siemens S7-1200 16DI/16DO Relay Expansion Module

The Siemens S7-1200 16DI/16DO Relay Expansion Module is a reliable and versatile solution for industrial automation. It enhances the input/output capabilities of Siemens S7-1200 PLC systems, providing 16 digital inputs (DI) and 16 digital outputs (DO) for flexible control of devices such as relays, actuators, and sensors.

Key Features:

• Digital Inputs/Outputs: 16 DI and 16 DO for efficient signal processing and control.

• Standard Size & Color: Polished grey finish suitable for various industrial setups.

• Rated Voltage: 24V DC for reliable operation.

• Frequency: 50 Hz.

• Warranty: 1 year for peace of mind.

Applications:

• Enhances Siemens S7-1200 PLC functionality.

• Ideal for industrial automation, manufacturing, and process control systems.

• Suitable for exporters, manufacturers, suppliers, and traders.

Benefits:

• Reliable and efficient performance.

• Seamless integration with Siemens S7-1200 systems.

• Improves flexibility and control in automation applications.

SIMATIC S7-1200 SM 1223

• Article No.: 6ES7223-1PL32-0XB0
• Type: Digital I/O Module
• Configuration: 16 DI / 16 DO, 16 DI 24 V DC Sink/Source, 16 DO relay 2 A

Supply Voltage

• Rated: 24 V DC

• Permissible Range: 20.4 – 28.8 V DC

• Input Current from Backplane Bus: Max. 180 mA

• From Load Voltage L+ (without load): Max. 4 mA/input

Power Loss

• Typical: 10 W

Digital Inputs

• Number: 16 (grouped in 2)

• Input Voltage: 24 V DC

• Signal "0": 5 V DC at 1 mA

• Signal "1": 15 V DC at 2.5–4 mA

• Input Delay: Parameterizable 0.2 – 12.8 ms

• Cable Length: Shielded max. 500 m, Unshielded max. 300 m

• IEC 61131 Type 1 compliant

Digital Outputs (Relay)

• Number: 16 (grouped in 4)

• Switching Capacity:

  • Resistive Load: Max. 2 A

  • Lamp Load: Max. 30 W DC / 200 W AC

  • Inductive Load: Max. 2 A

• Output Voltage: 5–30 V DC / 5–250 V AC

• Output Delay: "0"→"1" max. 10 ms, "1"→"0" max. 10 ms

• Total Current (per group): Max. 8 A (horizontal installation up to 50 °C)

• Relay Coil Rated Supply Voltage: 24 V DC

• Mechanical Operating Cycles: Max. 10 million

• Contact Switching Capacity: Max. 2 A (resistive/inductive), 30 W DC / 200 W AC lamp load

• Cable Length: Shielded max. 500 m, Unshielded max. 150 m

Diagnostics / Status

• Diagnostic Alarm: Yes

• LEDs: Status of Inputs and Outputs

Potential Separation

• Digital Inputs: Between channels in groups of 2

• Digital Outputs (Relay): Between channels in groups of 4

• Between channels and backplane bus: 1,500 V AC for 1 minute

• Permissible Potential Difference between circuits: 750 V AC for 1 minute

Mechanical / Environmental

• Enclosure: Plastic (front)

• IP Degree: IP20

• Dimensions: W 70 × H 100 × D 75 mm

• Weight: 350 g

Ambient Conditions

• Operation Temperature: -20 °C to 60 °C (horizontal), -20 °C to 50 °C (vertical)

• Storage/Transport: -40 °C to 70 °C

• Free Fall: Max. 0.3 m, five times in packaging

• Relative Humidity: Max. 95% (non-condensing)