Siemens S7-300 32di Expansion Module

About Siemens S7-300 32di Expansion Module

Product: Siemens S7-300 32DI Expansion Module

Supplier: Naksh Technology Solution LLP

The Siemens S7-300 32DI Expansion Module is designed to expand the digital input capabilities of S7-300 PLC systems. With 32 digital inputs, it provides enhanced signal processing and reliable data acquisition for high-speed industrial automation applications.

Key Features:

• 32 digital inputs for extensive control and monitoring

• Fast and reliable signal acquisition

• Seamless integration with Siemens S7-300 PLC

• Easily configurable using STEP 7 or TIA Portal software

• Ideal for machine control and industrial automation systems 

SIMATIC S7-300 SM 322

• Article No.: 6ES7322-1BL00-0AA0
• Type: Digital Output Module
• Configuration: 32 DO, 24 V DC, 0.5 A, isolated
• Connector: 1 40-pin
• Total Current: 4 A/group (16 A/module)

Supply Voltage

• Rated: 24 V DC

• Permissible Range: 20.4 28.8 V DC

• Input Current:

  • From load voltage L+ (without load): Max. 160 mA

  • From back plane bus 5 V DC: Max. 110 mA

Power Loss

• Typical: 6.6 W

Digital Outputs

• Number: 32

• Short-Circuit Protection: Yes (Electronic), Response Threshold: Typ. 1 A

• Limitation of Inductive Shutdown Voltage: Typ. L+ (-53 V)

• Controllable via Digital Input: Yes

• Switching Capacity:

  • Lamp Load: Max. 5 W

• Load Resistance Range: 48 4 k

• Output Voltage (for signal "1"): Min. L+ (-0.8 V)

• Output Current (for signal "1"): 0.5 A rated

  • Permissible Range (040 C): 5 mA 0.6 A

  • Permissible Range (4060 C): 5 mA 0.6 A

  • Minimum Load Current: 5 mA

• Output Current (for signal "0"): Residual Max. 0.5 mA

• Output Delay (Resistive Load): "0""1" max. 100 s, "1""0" max. 500 s

• Parallel Switching of Two Outputs:

  • For uprating: No

  • For redundant control: Yes (same group only)

• Switching Frequency:

  • Resistive load: Max. 100 Hz

  • Inductive load: Max. 0.5 Hz

  • Lamp load: Max. 10 Hz

Total Current of Outputs (Per Group)

• Horizontal Installation:

  • Up to 40 C: Max. 4 A

  • Up to 60 C: Max. 3 A

• Vertical Installation:

  • Up to 40 C: Max. 2 A

Cable Length

• Shielded: Max. 1,000 m

• Unshielded: Max. 600 m

Diagnostics / Status

• Alarms: No

• Diagnostic Function: No

• LEDs: Status indicator per digital output (green)

Potential Separation

• Between Channels: Yes (in groups of 8)

• Between Channels and Backplane Bus: Yes (Optocoupler)

• Isolation Test: 500 V DC

Dimensions / Weight

• Width: 40 mm

• Height: 125 mm

• Depth: 120 mm

• Weight: Approx. 260 g

Technical Details