Procurement teams shortlist 6ES7331-7HF01-0AB0 with Schneider PLC, Siemens HMI and 6Es7 215 1Ag40 0Xb0, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Siemens 6ES7331-7HF01-0AB0 Programmable Logic Controller
The Siemens 6ES7331-7HF01-0AB0 Programmable Logic Controller provides 8 analog inputs with 14-bit resolution and a 0.052 ms response time. It supports voltage and current signal types, offers galvanic isolation, and operates using a 24 V DC supply with a typical 1.5 W power loss. This module connects through a 20-pole interface and integrates with the Siemens ecosystem, aligns with the Siemens Programmable Logic Controller platform, and functions within the Simatic S7-300 series.

| Brand | Siemens |
| Product Type | Programmable Logic Controller (PLC) |
| Product | 6ES7331-7HF01-0AB0 |
Siemens 6ES7331-7HF01-0AB0 Programmable Logic Controller β Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, resolution 14 bit, 0.052 ms/channel current, Voltage alarm, diagnostics, 1x 20-pole, suitable for isochronous mode Improved bus cycle time for isochronous mode |
| Product family | SM 331 analog input modules |
| Product Lifecycle (PLM) | PM400:Phase Out Started |
| Net Weight (kg) | 0,289 Kg |
| Packaging Dimension | 12,80 x 15,00 x 5,00 |
| Package size unit of measure | CM |
| Country of origin | Germany |
The Siemens 6ES7331-7HF01-0AB0 Programmable Logic Controller analog input module delivers 8 AI channels, 14-bit resolution, and 0.052 ms response time for precise signal acquisition. This Siemens model is part of the Simatic S7-300 series and includes galvanic isolation, 24 V DC supply compatibility, and diagnostic functions suited for automation processes requiring accurate measurement and isochronous-mode performance.
The Siemens 6ES7331-7HF01-0AB0 is used in conveyors, packaging lines, assembly automation, and process-control applications where stable analog feedback is required. Its fast response time and isolated design support accurate sensing of voltage and current inputs, enabling consistent monitoring of temperature, pressure, and motion signals across industrial environments requiring durable and reliable measurement.
The Siemens 6ES7331-7HF01-0AB0 PLC module ensures dependable analog input handling through its isolated channels, 14-bit precision, and rapid per-channel processing. Siemens provides strong integration within S7-300 control systems, making this module suitable for demanding industrial applications where consistent signal quality, long-term reliability, and stable measurement performance are necessary for continuous operation.




