Product Description
Siemens 6ES7321-1CH20-0AA0 SIMATIC S7-300 SM 321 Digital Input Module
- Brand: Siemens (Genuine, Original)
- Product Type: SIMATIC S7-300 Digital Input Module (SM 321), isolated
- Digital Inputs: 16
- Input Voltage: 48–125V DC
- Input Type: IEC 61131 type 1
- Isolation: Optically isolated
- Connector: 1 x 20-pole front connector
- Power Supply: Via S7-300 backplane bus
- Mounting: Standard S7-300 profile rail (40 mm wide module)
- Typical Applications: Digital signal acquisition for 48–125V DC control circuits and sensors
- Warranty: Brand-new genuine, with warranty support
- Availability: In stock, worldwide shipping
