SIEMENS 
6ES7 338-4BC01-0AB0 
POSITION INPUT MODULE 
SM338 
SIMATIC S7
S C-E2VR7337

SIMATIC S7-300, SIGNAL. MODULE FOR 3 SSI SENSORS FOR READ-IN OF POSITIONING VALUE WITH 2 FREEZE INPUTS , 1 X 20 PIN, SUPPORTS ISOCHRONE MODE.