Manufacturer: SIEMENS
Family: SIMATIC S7-300
Type: Digital Input Module
Model: SM 321
MRN: 6ES7321-1BH02-0AA0
Digital inputs: 16
Supply voltage: 24 V DC
Input current from backplane: 10 mA
Input current: 7 mA for signal “1”
Input delay: 1.2 ms … 4.8 ms
Cable length (shielded): 1000 m
Connectable encoders: 2-wire sensor
Power loss: 3.5 W
Isolation: 500 V DC
Dimensions: 40 x 125 x 120 mm
Weight: 0.2 Kg