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| Place of Origin: | Germany |
| Brand Name: | Siemens |
| Certification: | COO & COC |
| Model Number: | 6ES7331-1KF02-0AB0 |
6ES7331-1KF02-0AB0 Siemens SIMATIC S7-300 SM331 Analog Input Module DC24V
The Siemens 6ES7331-1KF02-0AB0 is a versatile and widely used 8-channel analog input module from the SIMATIC S7-300 PLC system, designed for precise acquisition of voltage, current, resistance, and thermocouple/RTD temperature signals in demanding industrial environments. As part of Siemens’ proven S7-300 automation platform, this module delivers high accuracy, galvanic isolation, and flexible configuration—making it ideal for process control, machine monitoring, energy management, and test bench applications.
Engineered for reliability and ease of integration, the 6ES7331-1KF02-0AB0 supports group parameterization per channel pair, enabling mixed signal types (e.g., 4–20 mA on channels 0–1, PT100 on 2–3) within a single module. With 13-bit (+ sign) resolution and integrated diagnostics, it ensures dependable data capture for critical control loops while reducing engineering effort and hardware costs.
Product Overview: Siemens 6ES7331-1KF02-0AB0
| Manufacturer | Siemens AG – Digital Industries |
| Product Family | SIMATIC S7-300 Programmable Logic Controller (PLC) |
| Order Number | 6ES7331-1KF02-0AB0 |
| Module Type | Analog Input Module – 8 Channels, Group Configurable |
| Resolution | 13 bits + sign (equivalent to ~14-bit performance for unipolar signals) |
| Galvanic Isolation | Yes – between backplane bus and field wiring (tested up to 500 V AC) |
| Configuration | Set via STEP 7 (TIA Portal or Classic) – no DIP switches required |
| Mounting | Standard S7-300 rail mount (requires signal modules to be placed next to CPU or IM) |
| Operating Temperature | 0°C to +60°C |
| Certifications | CE, UL, cUL, KC, EAC, RoHS compliant |
Product details pictures
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