Manufacturer: Siemens
Type: Digital Input Module
Model: EM 221
MRN: 6ES7 221-1BF22-0XA0
Used for: S7-22X CPU ONLY
Power loss: 2W
Digital Inputs: 8
Input Voltage: 0…5 V DC for “0”, 15…30 V DC for “1”
Input current: 4 mA
Input delay: 4.5 ms
Dimensions mm: 46 x 80 x 62
Weight: 0.15 kg