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Siemens 6ES7331-7NF00-0AB0 SIMATIC S7-300 Analog Input SM 331, 8 AI, ±10V/±20mA, 16 Bit
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$617.00 USD
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The Siemens 6ES7331-7NF00-0AB0 is a high-precision SIMATIC S7-300 analog input module (SM 331) engineered for advanced industrial data acquisition. This isolated 8-channel module features a high 16-bit resolution and supports a variety of voltage (±5/10V, 1-5V) and current (±20mA, 0/4-20mA) ranges, providing enterprise-grade accuracy with a fast 10ms–100ms parameterizable integration time for complex automation tasks.
| Product ID (MPN) | 6ES7331-7NF00-0AB0 |
| Number of Analog Inputs | 8 |
| Resolution | 16 bit (including sign) |
| Input Ranges (Voltage) | 1 to 5 V, ±5 V, ±10 V |
| Input Ranges (Current) | 0 to 20 mA, 4 to 20 mA, ±20 mA |
| Integration Time | 10 / 16.67 / 20 / 100 ms (parameterizable) |
| Operational Error Limit | 0.1 % (Voltage) / 0.3 % (Current) |
| Potential Separation | Yes; between channels and backplane bus |
| Isolation Tested With | 500 V DC |
| Front Connector | 40-pin |
| Dimensions (W x H x D) | 40 x 125 x 117 mm |
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