Products - Siemens 6ES7521-1BL00-0AB0 SIMATIC S7-1500, digital input module DI 32x24 V DC HF, 32 channels in groups of 16; of which 2 inputs as counters can be used; input delay 0.05..20
SIEMENS 6ES7 521-1BL00-0AB0 DIGITAL INPUT MODULE - Platinum International
Siemens sas 6ES7521-1BL00-0AB0 | S7-1500, DI 32X24VDC HF | Rexel France