SIEMENS SM 321 DIGITAL INPUT MODULE
The Siemens SM 321 is a high-performance digital input module from the SIMATIC S7-300 family, engineered for robust automation systems. It offers 32 digital inputs with reliable 24 V DC operation and is designed for use in demanding industrial control applications.
Manufacturer: SIEMENS
Type: Digital Input Module
Family: SIMATIC S7-300
Model: SM 321
MRN: 6ES7321-1BL00-0AA0
Serial No.: C-P3G00339
Technical Information
- Digital Inputs: 32
- Supply Voltage: 24 V DC
- Input Current From Backplane Bus (5 V DC): 15 mA
- Input Current For Signal œ1: 7 mA
- Input Delay: 1.2 / 4.8 ms
- Cable Length (Shielded): 1000 m
- Connectable Encoders: 2-Wire Sensor
- Power Loss: 6.5 W
- Dimensions: 40 x 125 x 120 mm
