SIMATIC 221-1BH32-0XB0 price in bd. SM1221 DC DIGITAL INPUT MODULE, SIMATIC S7-1200, 16 DI, 24V DC, and also SINK or SOURCE INPUT type. The digital output module of SM 1221, DC, 6ES7221-1BH32-0XB0 from the Siemens controller can be enlarged by 16 DIGITAL INPUT. The digital input SM1221 DC 6ES7221-1BH32-0XB0 procedures the input signals.
Moreover, it has also a voltage of 24 V DC. The SM1221 digital input signal modules can change the level of the external digital signals. Above all, this is how the process turns into the internal signal level of the S7-1200.