Siemens 6ES7331-1KF02-0AB0 SIMATIC S7-300 SM 331 Analog Input Module
Siemens 6ES7331-1KF02-0AB0 SIMATIC S7-300 SM 331 Analog Input Module
Manufacturer: Siemens
Product No.: 6ES7331-1KF02-0AB0
Condition:1000 در انبار
Product Type: SIMATIC S7-300 SM 331 Analog Input Module
Product Origin: Germany
Payment: T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months
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Ready-to-Rack Summary
- Part Number: 6ES7331-1KF02-0AB0 (8-Channel High-Precision Analog Input, 16-bit)
- Condition: Factory New Sealed in Original Siemens Packaging
- Warranty: 24 months (with full calibration certificate & 16-bit accuracy test)
- Availability: 24-hour worldwide dispatch from EU/US stock
- Channels: 8 individually isolated inputs (TC, RTD, ±10 V, 0–10 V, 4–20 mA, 16-bit resolution)
The Most Versatile Analog Input Card for S7-300 in 2025
Still the #1 choice when you need one module to handle thermocouples, RTDs, voltage, and current signals with true 16-bit precision and channel-to-channel isolation. Plants keep it in stock because:
- No external converters – direct cold-junction compensation for all TC types
- 50/60 Hz suppression + open-wire detection on 4–20 mA loops
- Full galvanic isolation (500 V) between channels – perfect for mixed grounding
- Supported in STEP 7 V5.7 and TIA Portal 18
Failure Symptoms Triggering Immediate Replacement
Instrumentation teams order this exact card when:
- “SM 331 overflow/underflow” or channel shows fixed 7FFFh / 8000h
- Diagnostic interrupt 16#E300 “wire break” on healthy 4–20 mA loop
- TC readings drift >3 °C after years of high-temperature exposure
- Cold-junction sensor fails (internal reference always ~25 °C)
Real-World Deployments 2024–2025
- Chemical Reactors: BASF & Dow – mixed TC + 4–20 mA temperature/pressure loops
- Test Cells: Mercedes & VW – high-precision voltage/current for sensor validation
- Power Plants: GE & Siemens turbines – RTD bearing temperature monitoring
Technical Data Table
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens SIMATIC S7-300 |
| Catalog Number | 6ES7331-1KF02-0AB0 |
| Channels | 8 individually isolated analog inputs |
| Resolution | 16 bit (including sign) |
| Supported Signals | TC (J,K,E,N,T,…), RTD (Pt100/200/500/1000, Ni100/1000), ±10 V, 0–10 V, 4–20 mA |
| Accuracy | ±0.05 % FS (voltage/current), ±0.5 °C (TC/RTD) |
| Isolation | 500 V AC channel-to-channel & backplane |
| Cycle Time | 5 ms (all 8 channels) |
| Power Loss | 5.5 W typical |
| Operating Temperature | 0 to +60°C |
| Dimensions (W×H×D) | 40 × 125 × 120 mm |
| Weight | 0.30 kg |
| Front Connector | 40-pin (6ES7392-1AM00-0AA0) |
Compatibility
- Direct replacement for all 6ES7331-1KF0x revisions
- Future path: ET 200SP AI 8xRTD/TC or AI 8xU/I 16-bit
Product Description
Ready-to-Rack Summary
- Part Number: 6ES7331-1KF02-0AB0 (8-Channel High-Precision Analog Input, 16-bit)
- Condition: Factory New Sealed in Original Siemens Packaging
- Warranty: 24 months (with full calibration certificate & 16-bit accuracy test)
- Availability: 24-hour worldwide dispatch from EU/US stock
- Channels: 8 individually isolated inputs (TC, RTD, ±10 V, 0–10 V, 4–20 mA, 16-bit resolution)
The Most Versatile Analog Input Card for S7-300 in 2025
Still the #1 choice when you need one module to handle thermocouples, RTDs, voltage, and current signals with true 16-bit precision and channel-to-channel isolation. Plants keep it in stock because:
- No external converters – direct cold-junction compensation for all TC types
- 50/60 Hz suppression + open-wire detection on 4–20 mA loops
- Full galvanic isolation (500 V) between channels – perfect for mixed grounding
- Supported in STEP 7 V5.7 and TIA Portal 18
Failure Symptoms Triggering Immediate Replacement
Instrumentation teams order this exact card when:
- “SM 331 overflow/underflow” or channel shows fixed 7FFFh / 8000h
- Diagnostic interrupt 16#E300 “wire break” on healthy 4–20 mA loop
- TC readings drift >3 °C after years of high-temperature exposure
- Cold-junction sensor fails (internal reference always ~25 °C)
Real-World Deployments 2024–2025
- Chemical Reactors: BASF & Dow – mixed TC + 4–20 mA temperature/pressure loops
- Test Cells: Mercedes & VW – high-precision voltage/current for sensor validation
- Power Plants: GE & Siemens turbines – RTD bearing temperature monitoring
Technical Data Table
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens SIMATIC S7-300 |
| Catalog Number | 6ES7331-1KF02-0AB0 |
| Channels | 8 individually isolated analog inputs |
| Resolution | 16 bit (including sign) |
| Supported Signals | TC (J,K,E,N,T,…), RTD (Pt100/200/500/1000, Ni100/1000), ±10 V, 0–10 V, 4–20 mA |
| Accuracy | ±0.05 % FS (voltage/current), ±0.5 °C (TC/RTD) |
| Isolation | 500 V AC channel-to-channel & backplane |
| Cycle Time | 5 ms (all 8 channels) |
| Power Loss | 5.5 W typical |
| Operating Temperature | 0 to +60°C |
| Dimensions (W×H×D) | 40 × 125 × 120 mm |
| Weight | 0.30 kg |
| Front Connector | 40-pin (6ES7392-1AM00-0AA0) |
Compatibility
- Direct replacement for all 6ES7331-1KF0x revisions
- Future path: ET 200SP AI 8xRTD/TC or AI 8xU/I 16-bit