Product Overview
Technical Summary
| Product designation | SIPLUS S7-400 SM 421 32DI |
|---|---|
| Based on | 6ES7421-1BL01-0AA0 |
| Digital inputs | 32 |
| Input voltage | 24 V DC rated value |
| Signal "0" input voltage | -30 V DC to +5 V DC |
| Signal "1" input voltage | 13 V DC to 30 V DC |
| Input characteristic | Type 1 according to IEC 61131 |
| Conformal coating | Class 2 for high reliability according to EN 61086 |
| Product lifecycle | Announcement of product phase-out |
Key Features
- Product designation: SIPLUS S7-400 SM 421 32DI based on 6ES7421-1BL01-0AA0.
- Digital inputs: 32 digital inputs; all 32 inputs can be controlled simultaneously.
- Input voltage: Rated input voltage: 24 V DC. Signal "0": -30 V DC to +5 V DC; signal "1": 13 V DC to 30 V DC.
- Conformal coating: Conformal coating for printed circuit board assemblies according to EN 61086, Class 2 for high reliability.
- Operating temperature: Ambient temperature during operation: -25 °C to 60 °C.
Applications
- Stationary industrial systems: The source states use in stationary industrial systems with biological, chemical, and mechanically active substances according to EN 60721-3-3.
- Ships and offshore use: The source states use on ships or at sea with biological, chemical, and mechanically active substances according to EN 60721-3-6.
- Industrial process technology: The source states usage in industrial process technology for chemically active substances and environmental conditions for process, measuring, and control systems.
Frequently Asked Questions
What identifies Siemens 6AG1421-1BL01-2AA0?
It identifies a SIPLUS S7-400 SM 421 32DI digital input module based on 6ES7421-1BL01-0AA0.
Which specifications distinguish this MLFB variant?
The listed variant has 32 DC inputs, Type 1 input characteristic according to IEC 61131, conformal coating, and -25 °C to 60 °C ambient operating temperature.
What should be checked when verifying the code?
Check the complete order number 6AG1421-1BL01-2AA0 and the product nameplate against the required 32DI configuration and the supplied variant details.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number 6AG1421-1BL01-2AA0.
