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Siemens siemens sm321
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Siemens siemens sm321 Input Module

MPN: siemens sm321
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The Siemens SM321 is a digital input module belonging to the SIMATIC S7-300 series, a foundational component in many industrial control systems. This module provides discrete input channels for interfacing field devices like limit switches, proximity sensors, and pushbuttons with
Cpu TypeProgrammable Logic Controller
ProgrammingLadder/Structured Text
CommunicationEthernet/IP, Modbus TCP
Modelsiemens sm321
BrandSiemens
CEULRoHS
  • Electrical isolation for noise immunity
  • Modular design for easy installation
  • Compatible with all S7-300 processors
  • Genuine Siemens quality ensuring reliability
  • Digital input monitoring in S7-300 PLC systems
  • Machine interlock and safety circuit sensing
  • Process control in chemical and pharmaceutical plants
  • Replacement for worn or failed SM321 modules