The Siemens 6ES7 321-1FH00-0AA0 module is a digital input module for the Siemens S7-300 series programmable logic controller (PLC). It is used to receive external digital signals and convert them into signals that the PLC can process, so that the PLC can perform logical operations and control on these signals.
Product parameters and specifications:
Model: 6ES7 321-1FH00-0AA0
Type: Digital input module
Input points: 16 points
Input voltage: 120/230V AC
Isolation mode: potential isolation
Operating temperature: 0℃ to +55℃
Mounting method: DIN rail mounting
Protection level: IP20
Main features:
High input points: a module can provide 16 digital input channels, which improves the scalability of the system.
Wide input voltage range: suitable for different industrial field power supplies.
Potential isolation: Ensures safe and reliable operation of modules and PLCS.
Compact design: Saves installation space
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