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Siemens 6ES7421-1BL00-0AA0 Simatic S7-400 digital input module Cannot communicate with the PC

$63.20

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Description

Cannot communicate with the PC

Not tested A20B-1003-0090/05 A A20B-1003-0090/02/06 B

Missing plastic on the top

=230VAC w/ XSL514 Terminal Block w/ XFR524A Override Module Has scratches

Peeling off protective coating Refer to photos

Siemens 6ES7421-1BL00-0AA0 Simatic S7-400 digital input module Cannot communicate with the PCSIMATIC S7 400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 24V DC

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