Product code : 6ES7421-7BH00-0AB0 (SIMATIC S7-400, DIG.INPUT MOD)
Brand : siemens
SIMATIC S7-400, DIG.INPUT MOD. SM 421, OPTIC. ISOLATED, 16 DI, 24V DC
WITH 0,1 MS INPUT DELAY, ALARM, DIAGNOSTICS ,
look to all details:https://mall.industry.siemens.com
and here you will find Similar items : https//www.ugarit-elektrik.com/s400
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