Digital Input Module
SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole.
The 6ES7321-1BL00-0AA0 is a Siemens SIMATIC S7-300 Digital Input Module (SM 321) designed for industrial automation systems. Its full description is: SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole.
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