Description
CONDITION – NEW
The Siemens part number
is a Digital Input (DI) module for the SIMATIC S7-300 series of Programmable Logic Controllers (PLC).
- Product Type: Digital Input Module SM 321.
- System Compatibility: Designed for use with the Siemens SIMATIC S7-300 automation system.
- Number of Inputs: 32 digital input channels.
- Input Voltage: 24 V DC (permissible range 20.4 V to 28.8 V DC).
- Isolation: The inputs are isolated in groups of 16 from the backplane bus, which helps protect against electrical interference and noise, ensuring reliable operation in harsh industrial environments.
- Connectivity: Features a single 40-pole front connector for signal transmitters.
- Input Type: Suitable for switches and 2-/3-/4-wire proximity switches (BEROs).
- Input Delay: Has a low input delay, typically between 1.2 ms and 4.8 ms.
- Status Display: Includes a green LED indicator for each channel to monitor the status at a glance.
- Mounting: Designed for standard DIN rail installation in a control cabinet.
- Durability: Robust design built to withstand typical industrial conditions like mechanical shock, vibration, and temperature fluctuations
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