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Siemens 6ES7321-1FH00-0AA0 SIMATIC S7-300 Digital Input SM 321 Module, 16 DI, 120/230V AC, isolated
Regular price
$150.00 USD
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$150.00 USD
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The Siemens 6ES7321-1FH00-0AA0 is a robust SIMATIC S7-300 digital input module (SM 321) designed for high-voltage AC signal processing in industrial environments. This isolated module provides 16 digital inputs compatible with 120/230V AC ranges, featuring enhanced safety with 4000V DC isolation testing and optocoupler potential separation for reliable data acquisition in complex power distribution architectures.
| Product ID (MPN) | 6ES7321-1FH00-0AA0 |
| Number of Digital Inputs | 16 |
| Rated Input Voltage (AC) | 120 V / 230 V AC (47 to 63 Hz) |
| Signal Voltage "1" | 79 to 264 V AC |
| Signal Voltage "0" | 0 to 40 V AC |
| Input Delay | 25 ms (Rated value) |
| Potential Separation | Yes; via Optocoupler |
| Isolation Test Voltage | 4 000 V DC |
| Required Front Connector | 20-pin |
| Dimensions (W x H x D) | 40 x 125 x 120 mm |
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