Product Description
Key Features
- Digital input capacity: 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.
- Cable connection: Maximum cable length: 1 000 m shielded or 600 m unshielded.
Applications
- Digital signal input: Receives 32 DC digital input signals.
Technical Summary
| Product | SIPLUS S7-400 SM 421 32DI |
|---|---|
| Based on | 6ES7421-1BL01-0AA0 |
| Digital inputs | 32 |
| Rated input voltage | 24 V DC |
| Input characteristic | Type 1 according to IEC 61131 |
| Operating temperature | -25 °C to 60 °C |
| Input current from backplane bus | 20 mA max. |
| Power loss | 6 W typ. |
| Product lifecycle | Announcement of product phase-out |
Frequently Asked Questions
What exact model should be confirmed for this module?
Confirm Siemens 6AG1421-1BL01-2AA0, SIPLUS S7-400 SM 421 32DI, based on 6ES7421-1BL01-0AA0.
What input voltage does the module use?
The rated input voltage is 24 V DC. Signal "0" is -30 V DC to +5 V DC, and signal "1" is 13 V DC to 30 V DC.
What environmental variant should be checked?
Check the conformal coating and the operating ambient temperature of -25 °C to 60 °C.
What cable lengths are supported?
The maximum cable length is 1 000 m for shielded cable and 600 m for unshielded cable.
