SIEMENS 6ES7326-1BK02-0AB0 Digital Input Module

SIEMENS 6ES7326-1BK02-0AB0 Digital Input Module

Product Description

The SIEMENS 6ES7326-1BK02-0AB0 is a SIMATIC S7-300 SM326 Fail-Safe Digital Input Module (F-DI) designed for safety-related automation systems. It provides 24-channel 24V DC fail-safe digital inputs and is used in Siemens S7 F-systems for applications requiring high safety levels, including emergency stop circuits, safety sensors, and machine protection systems.

Technical Specifications

• Brand: Siemens
• Model: 6ES7326-1BK02-0AB0
• Product Type: Fail-Safe Digital Input Module (F-DI)
• Series: SIMATIC S7-300 / Safety Integrated
• Module Type: SM 326 F-DI 24×24 VDC
• Digital Inputs: 24 channels
• Input Voltage: 24 VDC
• Input Voltage Range: -30 to +30 VDC
• Signal "1" Level: +11 to +30 VDC
• Signal "0" Level: -30 to +5 VDC
• Input Current: Approx. 10 mA per channel
• Supply Voltage: 24 VDC
• Safety Level:
  • Category 4 (EN 954-1)
  • SIL3 (IEC 61508)
  • PL e (ISO 13849)
• Connection: 40-pin front connector
• Mounting: S7-300 rail mounting
• Diagnostics: Diagnostic alarm support

Advantages & Features

• Supports safety-related digital input applications
• High safety integrity level for machine protection
• Integrated diagnostics and fault monitoring
• Suitable for emergency stop and safety sensor applications
• Supports connection of safety devices and field sensors
• Reliable Siemens SIMATIC S7-300 modular design

Applications

• Safety PLC systems
• Machine safety control
• Emergency stop monitoring
• Safety light curtains
• Door/interlock monitoring
• Industrial automation equipment
• Production line protection systems

Notes / Precautions

• This is a Safety Digital Input Module, not a standard DI module.
• Requires compatible Siemens S7 F-system CPU and safety configuration.
• Verify hardware configuration and safety parameters before replacement.
• Check 24VDC input wiring and sensor compatibility.