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7 in stock
This listing is for a used Siemens 6ES7 321-1BL00-0AA0 digital input module.
The SM321 provides 32 digital inputs for reading 24V DC signals from field devices such as sensors, pushbuttons, and switches. Designed for use in S7-300 series PLC racks.
Part No: 6ES7 321-1BL00-0AA0
Series: SIMATIC S7-300
Model: SM321
Channels: 32 Digital Inputs
Input Type: 24V DC
Mounting: DIN Rail
Condition: USED
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