Before procurement teams confirm 6ES7331-7RD00-0AB0, they typically review Schneider PLC, Siemens HMI and 6Es7 215 1Ag40 0Xb0 to double-check performance ratings, stock availability, and supplier credibility carefully.
Siemens 6ES7331-7RD00-0AB0 Programmable Logic Controller
The Siemens 6ES7331-7RD00-0AB0 Programmable Logic Controller provides 4 isolated current inputs with 0/4โ20 mA range and 16-bit resolution. It supports PTB-tested hazardous-area suitability, offers diagnostics for wire-break and overrange detection, and is designed exclusively for the S7-300 system. The module measures 40 ร 125 ร 120 mm and weighs 0.376 kg. It integrates with Siemens automation, fits within the Siemens PLC architecture, and belongs to the Simatic S7-300 series.
| Brand | Siemens |
| Product Type | Programmable Logic Controller (PLC) |
| Product | 6ES7331-7RD00-0AB0 |
Siemens 6ES7331-7RD00-0AB0 Programmable Logic Controller โ Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7, analog input SM 331, isolated, 4 AE; 0/4 to 20 mA, 1 x 20-pole, for signals from the hazardous area, diagnostics-capable, PTB tested |
| Product family | Ex analog input modules |
| Product Lifecycle (PLM) | PM400:Phase Out Started |
| Net Weight (kg) | 0,379 Kg |
| Packaging Dimension | 13,20 x 15,30 x 5,30 |
| Package size unit of measure | CM |
| Country of origin | Germany |
The Siemens 6ES7331-7RD00-0AB0 Programmable Logic Controller module features 4 isolated analog current inputs, a 0/4โ20 mA signal range, and 16-bit resolution. The Siemens 6ES7331-7RD00-0AB0 is engineered for the Simatic S7-300 series and supports hazardous-area signals with PTB-tested suitability. Its diagnostics help detect wire-break and overrange faults, making it suitable for precise process measurements in industrial automation.
This module is used in conveyors, packaging lines, assembly stations, and process automation systems requiring stable current-loop measurement. Its isolated channels ensure clean signal acquisition, reducing electrical interference and improving measurement reliability. The module supports consistent analog input performance for monitoring flow, pressure, level, or actuator-feedback signals within integrated control panels.
The Siemens 6ES7331-7RD00-0AB0 offers dependable current-loop input handling, robust isolation, and consistent 16-bit measurement quality for industrial environments. Its integration within the Simatic S7-300 architecture ensures compatibility, predictable operation, and long-term signal accuracy. With Siemens reliability and diagnostics, it remains a trusted choice for hazardous-area analog input applications.
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