1Siemens 6ES7 231-0HC22-0XA8 PLC 6ES7231-0HC22-0XA8  

Type 6ES7 231-0HC22-0XA8
from backplane bus 5VDC max 20mA
from load voltage L + max 60 mA 
permissible input voltage 30 V 
permissible input current 32 mA 
Unipolar Signals 0 to 32000 
Weight Approx. 0.5 KG 
Warranty 1 Year