Siemens SIMATIC PLC 6AG2521-7EH00-4AB0 SIPLUS S7-1500 DI 16X110VDC   HF TX RAIL   -40 ... +70°C   Tx with +85°C for 10 min   with conformal coating   BasedOn 6ES7521-1BL00-0AB0   .   DI 16 X 24...125V UC HF,   16 Channels in groups of 1;   Input Delay 0,05 ... 20ms;   Input Type 3 (IEC 61131);   Diagnosis, Processalarms 6AG25217EH004AB0