SIEMENS 6ES7650-8DK80-1AA0 Analog Input Module | Replacement, Equivalent & Selection Guide
The SIEMENS 6ES7650-8DK80-1AA0 is a high-precision analog input module designed for the SIMATIC ET 200 distributed I/O system. This page provides full technical specifications, compatible replacement models, system compatibility details, and a structured selection guide to help engineers and procurement teams make confident sourcing decisions.
Technical Specifications
- Part Number: 6ES7650-8DK80-1AA0
- Manufacturer: SIEMENS
- Module Type: Analog Input (AI)
- Signal Range: 0–20 mA / 4–20 mA (configurable)
- Number of Channels: 4 channels (0/4 configurable)
- Resolution: 16-bit
- Supply Voltage: 24 V DC
- Isolation: Electrically isolated channels
- Mounting: DIN rail
- Operating Temperature: 0 °C to +60 °C
- Protection Class: IP20
- Weight: Approx. 500 g
- Certifications: CE, UL, cULus
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as functional equivalents or drop-in replacements for the 6ES7650-8DK80-1AA0. Always verify electrical and firmware compatibility before substitution.
- SIEMENS 6ES7331-7KF02-0AB0 — SM 331 Analog Input, 8-channel, 13-bit, S7-300 series (functional equivalent for analog input tasks)
- SIEMENS 6ES7134-6GD01-0BA1 — ET 200SP AI 4×U/I 2-wire, suitable for distributed I/O replacement
- SIEMENS 6ES7134-4GB11-0AB0 — ET 200S 4AI U/I, legacy-compatible analog input
- SIEMENS 6ES7331-7NF10-0AB0 — SM 331 8-channel AI, higher channel density alternative
- Third-party equivalents: Wago 750-452, Phoenix Contact IB IL AI 2/SF — verify signal range and bus compatibility before use
⚠ Note: Cross-brand replacements require GSD/GSDML file reconfiguration in STEP 7 or TIA Portal. Consult your system integrator.
Why Choose the Original Model
- ✅ Native SIMATIC compatibility — plug-and-play with ET 200 backplane, no firmware workarounds
- ✅ Factory-calibrated precision — 16-bit resolution ensures accurate process signal acquisition
- ✅ SIEMENS TIA Portal & STEP 7 certified — full diagnostic and parameterization support
- ✅ Long-term availability — supported under SIEMENS lifecycle management
- ✅ Proven in harsh industrial environments — vibration-resistant, EMC-compliant design
Typical Applications
- Process automation: temperature, pressure, and flow signal acquisition
- Chemical and pharmaceutical plant control systems
- Water treatment and utilities SCADA integration
- Machine tool and packaging line automation
- Building management systems (BMS) with distributed I/O
- Oil & gas field instrumentation panels
System Compatibility
| System / Platform | Compatibility | Notes |
|---|---|---|
| SIMATIC ET 200 | ✅ Native | Direct backplane mount |
| SIMATIC S7-300 | ✅ Compatible | Via IM interface module |
| SIMATIC S7-400 | ✅ Compatible | Via DP/PN coupler |
| SIMATIC S7-1500 | ⚠ Verify | Requires TIA Portal V15+ |
| PROFIBUS DP | ✅ Supported | Standard DP slave operation |
| PROFINET IO | ⚠ Verify | Depends on head station model |
| Third-party PLCs | ❌ Not recommended | Use open-standard AI modules instead |
Selection Guide
Use the following criteria to determine whether the 6ES7650-8DK80-1AA0 is the right module for your application:
- Signal type: Requires 0–20 mA or 4–20 mA current input? → ✅ This module
- Channel count: Need 4 analog input channels? → ✅ This module
- Resolution requirement: 16-bit precision needed? → ✅ This module
- Bus system: Running PROFIBUS DP on ET 200? → ✅ This module
- Need voltage input (0–10 V)? → Consider 6ES7134-6GD01-0BA1 (U/I variant)
- Need 8 channels? → Consider 6ES7331-7NF10-0AB0
- Budget-sensitive replacement? → Evaluate Wago 750-452 with GSD reconfiguration
Quality Assurance & Sourcing
- 🏭 Source: Authorized distributor stock and verified surplus channels
- 🔍 Inspection: Each unit visually inspected and function-tested before dispatch
- 📦 Packaging: Anti-static ESD packaging with original or equivalent protective casing
- 📄 Documentation: Datasheet, CE declaration, and test report available on request
- 🔒 Warranty: 12-month warranty against manufacturing defects
- 🌍 Shipping: Worldwide DHL / FedEx express; export documentation provided
How to Order
- Confirm part number: 6ES7650-8DK80-1AA0
- Specify quantity and required delivery timeline
- Contact us via email or phone for a formal quotation
- Receive proforma invoice → confirm payment → dispatch within 1–3 business days
- Track shipment via provided AWB number
📧 Email: support@konmask.com
📞 Phone/WhatsApp: +0086 19859288691
🌐 Website: https://Konmask.com
Replacement & Compatibility FAQ
Q: Can I use 6ES7331-7KF02-0AB0 as a direct replacement?
A: Functionally similar for analog input tasks, but it is an S7-300 SM module, not an ET 200 module. Physical mounting and bus interface differ — not a drop-in replacement without hardware changes.
Q: Is the 6ES7650-8DK80-1AA0 still in production?
A: Please contact us for current lifecycle status. We maintain stock of both new and refurbished units.
Q: Can this module work with a Schneider Modicon PLC?
A: No. This module is designed exclusively for the SIEMENS SIMATIC ET 200 ecosystem. For Schneider systems, use Schneider TM3 or Advantys STB analog input modules.
Q: What is the lead time for new stock?
A: In-stock units ship within 1–3 business days. For bulk orders or hard-to-find variants, lead time is typically 5–15 business days.
Q: Do you provide a test report?
A: Yes. Functional test reports are available upon request for all units.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
