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Siemens 6ES7321-1BL00-0AA0
SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole
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Siemens 6ES5 390-0UA11
SIMATIC S5, Text display TD 390 for S5-90U to S5-155U/H, with 5 m connection cable
SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole
SIMATIC S5, Text display TD 390 for S5-90U to S5-155U/H, with 5 m connection cable