6ES7521-1BL00-0AB0 S7-1500 SM 521 32DI

SIMATIC S7-1500, DIGITAL INPUT MODULE DI 32xDC 24V HF, 32 CHANNELS IN GROUPS OF 16; INPUT DELAY 0.05… 20MS; INPUT TYPE 3 (IEC 61131); DIAGNOSIS, PROCESSALARMS

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