Manufacturer: Siemens
Type: Digital Input Module
Model: 6ES7 321-1BH10-0AA0
Rated supply voltage: 24 V DC
Input current: from backplane bus 5 V DC, max. 110 mA
Power loss: typ. 3.8 W
Number of digital inputs: 16
connection method/header: required front connector 20-pin
Operating Temperature: 0 … +60 °C
Type of protection: Explosion protection EX
Dimensions: 40 x 125 x 120 mm