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SIMATIC S7-400
CPU 1511F-1 PN
onboard I/O: 14 DI 24VDC
Analogeingabemodul AI 8xU/I HS
onboard I/O: 14 DI 24V DC
Siemens 6ES7421-7BH00-0AB0 Condition:ReFix - Refurbished SIMATIC S7-400SIMATIC S7 400, DIGITAL INPUT SM 421, OPTICALLY ISOLATED 16 DI; 24V DC WITH 0. 1 mS INPUT DELAY ALARM, DIAGNOSTICS
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