SIMOTION technology module TM 121C safety unit 32 F-DI, 24 V DC; 8 F-DQ, 24 V DC /2 A; 8 DQ, 24 V DC/0.5 A; 2 counter inputs 500 Hz; With memory card 128 KB; Equipment Manual and connector set according to machinery directive 2006/42/EC no longer to be used for new systems, only for old systems with continuation permit Please note SIOS 39847874!