Technical Summary
| Based on | 6ES7421-1BL01-0AA0 |
|---|---|
| Number of digital inputs | 32 |
| Number of simultaneously controllable inputs | 32 |
| Input characteristic according to IEC 61131 | Type 1 |
| Type of input voltage | DC |
| Rated value (DC) | 24 V |
| for signal "0" | -30 V DC to +5 V DC |
| for signal "1" | 13 V DC to 30 V DC |
| Power loss, typ. | 6 W |
| Input current from backplane bus 5 V DC, max. | 20 mA |
Key Features
SIPLUS S7-400 SM 421 32DI
Signal module for the SIPLUS S7-400 family with 32 digital inputs.
Signal module for the SIPLUS S7-400 family with 32 digital inputs.
Based on 6ES7421-1BL01-0AA0
Variant identification is defined by the base order number 6ES7421-1BL01-0AA0.
Variant identification is defined by the base order number 6ES7421-1BL01-0AA0.
Conformal coating
Printed circuit board assemblies are coated for added protection.
Printed circuit board assemblies are coated for added protection.
Operating temperature range
Specified for -25…+60 °C operation.
Specified for -25…+60 °C operation.
Input characteristics
Digital inputs use Type 1 according to IEC 61131 and a 24 V DC rated input voltage.
Digital inputs use Type 1 according to IEC 61131 and a 24 V DC rated input voltage.
Applications
Acquiring 32 digital input signals
For reading 32 digital input channels in an S7-400 signal module.
For reading 32 digital input channels in an S7-400 signal module.
Connecting 24 V DC field signals
For interfacing DC input signals with a 24 V DC rated input stage.
For interfacing DC input signals with a 24 V DC rated input stage.
Frequently Asked Questions
What is the exact model of this Siemens SIPLUS S7-400 module?
It is 6AG1421-1BL01-2AA0.
How many digital inputs does 6AG1421-1BL01-2AA0 have?
It has 32 digital inputs.
What is the rated input voltage for this SIPLUS S7-400 SM 421 32DI?
The rated value is 24 V DC.
What is the operating temperature range of 6AG1421-1BL01-2AA0?
The specified operating temperature range is -25…+60 °C.
Does 6AG1421-1BL01-2AA0 have conformal coating?
Yes, it is specified with conformal coating.
