3RK2400-1FD00-0AA2 - Siemens
AS-I MODULE, IP00, A/B SLAVE,  DIGITAL, 4DI/3DO,  4 X INPUT FOR SENSOR  (MECHAN., 2 COND., 3 COND.),  PNP, SENSOR POWER SUPPLY FROM U_ASI TOTAL MAX. 200MA;  3 X OUTPUT 1A,  OUTPUT POWER SUPPLY FROM 24VDC CIRCUIT BOARDS WITHOUT HOUSING, CONNECTION VIA CIRCUIT BOARD DIRECT CONNECTOR FOR MALE CONNECTOR SOCKET, 30-POLE