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Siemens 6ES7321-1BH02-0AA0 SIMATIC S7-300 Digital Input SM 321 Module, 16 DI, 24V DC, isolated
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$90.00 USD
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$90.00 USD
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The Siemens 6ES7321-1BH02-0AA0 is a reliable SIMATIC S7-300 digital input module (SM 321) designed for industrial automation systems. This isolated module provides 16 digital inputs at 24V DC, featuring high-speed optocoupler potential separation and status indication LEDs, making it an essential component for capturing field signals in rugged S7-300 PLC architectures.
| Product ID (MPN) | 6ES7321-1BH02-0AA0 |
| Number of Digital Inputs | 16 |
| Input Voltage (DC) | 24 V (Permissible range 20.4 V to 28.8 V) |
| Signal Voltage "1" | 13 to 30 V DC |
| Input Current "1" | 7 mA (typical) |
| Input Delay | 1.2 ms to 4.8 ms |
| Potential Separation | Yes; via Optocoupler |
| Isolation Tested With | 500 V DC |
| Required Front Connector | 20-pin |
| Dimensions (W x H x D) | 40 x 125 x 120 mm |
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