SM332 EXTEND MODULE (6ES73325HB010AB0) SIMATIC S7-300, ANALOG OUTPUT SM 332, OPTICALLY ISOLATED, 2 AO, U/I; 11/12 BITS RESOL., 20 PIN., REMOVE/INSERT WITH ACTIVE BACKPLANE BUS AND SIMATIC S7-300, FRONT CONNECTOR(6ES73921BJ000AA0) FOR SIGNAL MODULES WITH SPRING CONTACTS, 20-PIN