QLSDM024DCCBN – Siemens QUADLOG Standard Discrete Module (14 VDC)

QLSDM024DCCBN – Siemens (Moore) APACS+ / QUADLOG Standard Discrete Module (SDM+) – 14 VDC

Experience seamless automation performance with the QLSDM024DCCBN, a precision-engineered Standard Discrete I/O Module (SDM+) designed specifically for legacy Siemens APACS+ and QUADLOG systems. Operating on a 14 VDC power bus, this module ensures reliable digital signal processing—ideal for sustaining uptime, managing discrete I/O points, and avoiding costly system overhauls.

Technical Specification Highlights

• Part Number: QLSDM024DCCBN (Standard Discrete Module – SDM+, 14 VDC) 

• Supply Voltage: 14 VDC, standard for QUADLOG discrete slots 

• Lifecycle Status: Discontinued post-2011; maintained as spare-part support through ~2020 

• Condition & Warranty Options:

  • Used/tested units: 6-month warranty, securely packaged 

  • New units: Available with 12-month supplier warranty 

• Pricing Insights:

  • $1,399 USD for tested stock—market average 

  • Used market listings up to $1,999 USD depending on condition 

Core Advantages & Use Cases

• Straightforward Integration: Compatible with existing APACS+/QUADLOG rack-based systems—no reengineering required.

• Dependable Discrete I/O: Optimized for rugged field applications where accurate digital signaling is critical.

• Cost-Effective System Extension: Keep your legacy systems functional without the overhead of full migration.

• Flexible Procurement: Choose between new or refurbished units to match urgency, budget, and reliability needs.

Best Suited For:

• Oil & Gas processing controls

• Power generation I/O infrastructure

• Petrochemical systems

• Municipal water/wastewater automation

Frequently Asked Questions (FAQ)

• What power supply is required?

  The module runs on 14 VDC, consistent with QUADLOG discrete system architecture. 

• Is this module still backed by Siemens?

  While discontinued post-2011, it remains available as a spare part within official lifecycle support frameworks through approximately 2020. 

• What warranty coverage is available?

  Used/tested units include a 6-month warranty, and new units typically come with a 12-month supplier warranty. 

• Typical price range?

  Expect about $1,399 USD for tested stock; used listings may range up to $1,999 USD. 

Call to Action

Ready to keep your legacy systems operational? Click “Request a Quote” to receive:

• Live stock availability

• Best pricing for new or refurbished modules

• Warranty and shipping options

• Inspection reports and ESD-safe packaging details

Global shipping is available with secure handling and priority delivery. Act fast—inventory is limited!