under the order
Name:
SIMATIC S7-400, digital
Article:
6ES7421-7BH01-0AB0
Category:
PCS 7 process control systems
Price:
on request
SIMATIC S7-400, digital input SM 421, isolated 16 DI; 24 V DC with 0.05 ms input delay alarm, diagnostics
Download instructions at Siemens
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