Siemens 6ES7322-1HH00-0AA0 Digital Output Module

The Siemens 6ES7-322-1HH00-0AA0 SM 322 module provided 16 relay-based digital outputs, each optically isolated for robust and flexible switching of AC or DC loads. Now discontinued, this model has been succeeded by 6ES7322-1HH01-0AA0, which offers continued support for existing and new S7-300 deployments.

Technical Specifications

Model: 6ES7322-1HH00-0AA0 Siemens
Series: SIMATIC S7-300
Module Type: SM 322 Digital Output
Output Channels: 16 DO (Relay), configured as 2 × 8 outputs
Isolation: Optically isolated outputs
Output Type: Relay contact switching
Connector Type: 1 × 20-pole front connector
Lifecycle Status: Discontinued product (since 01.10.2011)
Recommended Successor: 6ES7322-1HH01-0AA0

Function & Application

• Purpose: Relay-based digital output module designed to switch loads in SIMATIC S7-300 control systems.
• Typical Applications:
  • Switching AC or DC loads with physical relay contacts.
  • Control of solenoids, motors, contactors, and indicator lamps.
  • Applications requiring full output channel isolation and high flexibility.

Performance & Features

• 16 Relay Outputs. Mechanically switched outputs ideal for AC/DC control.
• 2 × 8 DO Configuration. Convenient signal grouping and wiring layout.
• Optical Isolation. Improves system safety and prevents ground loops.
• Wide Load Compatibility. Suitable for inductive and resistive loads.
• Migration Path Available. Successor model offers near-identical specs.

Recommended Successor

• 6ES7322-1HH01-0AA0 – SM 322 Digital Output, 16 DO Relay, Isolated, 1×20-Pin

Delivery & Compliance

• Packaging Dimensions: 13.20 × 15.30 × 5.00 cm
• Net Weight: 0.289 kg
• Packaging Quantity: 1 Piece
• Country of Origin: Germany
• Estimated Dispatch Time: 1 Working Day

Product Compliance & Classification

• RoHS Compliance: Not compliant
• WEEE Take-Back Obligation: Not specified
• SCIP Number: Not available
• REACH Substances:
  • Disclosure available upon request
• Commodity Code: 85389091
• Catalog ID: ST9-E5
• Product Group: 2288
• Group Code: R111
• Product Class: D – Custom-engineered, non-returnable product
• EAN: 4025515061069

Key Features & Benefits:

✅ 16 Optically Isolated Relay Outputs. Safe switching for diverse industrial loads.

✅ AC/DC Load Compatibility. Designed for resistive and inductive circuits.

✅ Proven S7-300 Integration. Works with all standard S7-300 racks.

✅ 2 × 8 Channel Configuration. Simplified wiring and load separation.

✅ Easy Migration. Successor available with nearly identical I/O specs.

📦 Need a Replacement? Order the Successor Model Today!

At Drive Outlet Megastore we offer the most competitive Siemens 6ES7322-1HH00-0AA0 prices, with fast delivery across the UK and Europe.

Need help identifying S7-300 digital output modules, configuring wiring layouts, or selecting a replacement product? Contact our Siemens experts.

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