The Siemens 6AG1331-7RD00-2AB0 is a specialized 4-channel analog input module from the SIPLUS S7-300 family, specifically engineered for precision temperature measurement in extreme industrial conditions. Based on the standard 6ES7331-7RD00-0AB0, this module features a high-grade conformal coating that provides essential protection against moisture, corrosive gases, and environmental pollutants. It supports high-resolution (15 bits + sign) measurement for various RTD sensors and resistance inputs, making it ideal for accurate thermal monitoring. With a wide operating temperature range of -25°C to +70°C, it is perfectly suited for applications in the chemical processing, offshore, and heavy machinery industries where standard PLC components might fail due to environmental stress.
Feature | Specification |
Manufacturer | Siemens |
Article Number | 6AG1331-7RD00-2AB0 |
Product Family | SIPLUS S7-300 (Based on 6ES7331-7RD00-0AB0) |
Special Feature | Conformal Coating (Coated for harsh environments) |
Operating Temperature | -25 °C to +70 °C |
Input Type | 4 Analog Inputs (AI) |
Input Signal | RTD (Resistance Temperature Detector) / Resistance |
Resolution | 15 bits + sign |
Isolation | Isolated |
Alarms/Diagnostics | Alarm and Diagnostics supported |
Connection | 1x 20-pole front connector required |
Net Weight | Approx. 0.28 Kg |
