During technical comparisons, 6ES7331-7SF00-0AB0 appears alongside Schneider PLC, Siemens HMI and 6Es7 215 1Ag40 0Xb0 so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Siemens 6ES7331-7SF00-0AB0 Programmable Logic Controller
The Siemens 6ES7331-7SF00-0AB0 Programmable Logic Controller supports 8 thermocouple inputs, 4 Pt100 RTD inputs, and 16-bit resolution for hazardous-area signals. It includes diagnostics capability, operates at 24 V DC, and has a typical power loss of 0.6 W. The module weighs 0.298 kg and measures 125 ร 40 ร 120 mm. It aligns with Siemens automation, functions within the Siemens PLC ecosystem, and belongs to the Simatic S7-300 series.
| Brand | Siemens |
| Product Type | Programmable Logic Controller (PLC) |
| Product | 6ES7331-7SF00-0AB0 |
Siemens 6ES7331-7SF00-0AB0 Programmable Logic Controller โ Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7, analog input SM 331, isolated, 8 AI thermocouples/4 AI Pt100, for signals from the hazardous area, diagnostics-capable, PTB tested 1 x 20-pole |
| Product family | Ex analog input modules |
| Product Lifecycle (PLM) | PM400:Phase Out Started |
| Net Weight (kg) | 0,298 Kg |
| Packaging Dimension | 13,10 x 15,20 x 5,10 |
| Package size unit of measure | CM |
| Country of origin | Germany |
The Siemens 6ES7331-7SF00-0AB0 Programmable Logic Controller module offers 8 thermocouple inputs, 4 Pt100 RTD channels, and 16-bit resolution for precise temperature measurement. The Siemens 6ES7331-7SF00-0AB0 is part of the Simatic S7-300 series and supports hazardous-area applications with isolated analog acquisition and diagnostics capability. Its 24 V DC operation and compact 125 ร 40 ร 120 mm structure make it suitable for varied industrial environments.
This module is applied in conveyors, packaging systems, thermal processes, and automated machinery requiring accurate monitoring of temperature-related inputs. Its isolated channels help maintain stable readings in noisy environments, while diagnostics assist in identifying wiring faults or signal deviations. It enables dependable analog measurement for industrial temperature control loops and process feedback systems.
The Siemens 6ES7331-7SF00-0AB0 provides reliable temperature-signal handling, stable 16-bit measurement, and durable hazardous-area compatibility for long-term automation use. Integrated within the Simatic S7-300 architecture, it ensures consistent operation, predictable system behavior, and trusted Siemens performance. These capabilities make it a suitable choice for industrial temperature monitoring and safety-critical automation requirements.
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