SIMATIC S7-300, Digital Input SM 321 6ES7321-7BH01-0AB0
SIMATIC S7-300, digital input SM 321, potential isolation, 16 DE; 24V DC, 1 x 20-pin, process alarm, diagnostics, suitable for clock-synchronous operation
Introduction
SIMATIC S7-300, digital input SM 321, potential isolation, 16 DE; 24V DC, 1 x 20-pin, process alarm, diagnostics, suitable for clock-synchronous operation
