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SM 421 digital input module

Products and technical resources associated with SM 421 digital input module.

Tag archive 5 Tagged entries /tag/sm-421-digital-input-module/

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Products & Resources

5 entries

Siemens 6ES7421-1BL01-0AA0 SIMATIC S7-400 digital input SM 421 with 32 DI, 24 V DC input rating, isolated design and lifecycle…

Siemens 6ES7421-1FH20-0AA0 SIMATIC S7-400 digital input SM 421 with 16 isolated DI, UC 120/230 V, Type 2 inputs, and announcement…

Siemens 6ES7421-1EL00-0AA0 is a SIMATIC S7-400 SM 421 digital input module, 32 DI, isolated, 120 V DC/AC, with phase-out announcement.

Siemens 6ES7421-7DH00-0AB0 is a SIMATIC S7-400 digital input SM 421 module with 16 isolated DI, UC 24 - 60 V,…

Siemens 6ES7421-7BH01-0AB0 is a SIMATIC S7-400 SM 421 digital input module with 16 isolated DI, 24 V DC, diagnostics and…