Digital Inputs

6ES7421-7DH00-0AB0

6ES7421-7DH00-0AB0

Inquire product
Code: 6ES7421-7DH00-0AB0
SIMATIC S7-400, digital input SM 421, isolated 16 DI; UC 24 - 60 V, alarm, diagnostics
6ES7421-7BH01-0AB0

6ES7421-7BH01-0AB0

In stock
Code: 6ES7421-7BH01-0AB0
SIMATIC S7-400, digital input SM 421, isolated 16 DI; 24 V DC with 0.05 ms input delay alarm, diagnostics
6ES7421-1FH20-0AA0

6ES7421-1FH20-0AA0

Code: 6ES7421-1FH20-0AA0
SIMATIC S7-400, digital input SM 421, isolated 16 DI; UC 120/230V Inputs according to IEC1131-2 Type 2
6ES7421-1EL00-0AA0

6ES7421-1EL00-0AA0

Code: 6ES7421-1EL00-0AA0
SIMATIC S7-400, digital input SM 421, isolated 32 DI; 120 V DC/AC