Tag: SM 421 digital input module

6ES7421-7DH00-0AB0

6ES7421-7DH00-0AB0 identifies a SIMATIC S7-400 SM 421 digital input module with isolated 16 DI, AC/DC input, UC 24 V to…

6ES7421-1EL00-0AA0 identifies a SIMATIC S7-400 SM 421 digital input module with 32 isolated DI, 120 V AC/DC input and 2-wire…

6ES7421-1BL01-0AA0 identifies a Siemens SIMATIC S7-400 SM 421 digital input module with 32 isolated DI and 24 V DC. Verify…

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

6ES7421-1FH20-0AA0 identifies a Siemens SIMATIC S7-400 SM 421 digital input module with 16 isolated inputs, AC/DC input voltage, and 120/230…