Key Features
- Digital input module: DI 16x110VDC HF with 16 channels in groups of 1.
- Input handling: Input delay is 0.05 … 20 ms, and input characteristic curve in accordance with IEC 61131, type 3 is supported.
- Diagnostics and interrupts: Diagnostics function, diagnostic alarm, and hardware interrupt support are included.
- Environmental design: SIPLUS S7-1500 version with conformal coating and -40…+70 °C operating range.
Technical Summary
| Product type designation | DI 16x110VDC HF |
|---|---|
| Based on | 6ES7521-7EH00-0AB0 |
| Product lifecycle | Active Product |
| Number of digital inputs | 16; > +60 °C number of simultaneously controllable inputs max. 4 (no adjacent points) |
| Input voltage, rated value (DC) | 24 V; 48 V, 72 V, 96 V, 110 V, 125 V |
| Input delay, standard inputs | 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms parameterizable with DC, 20 ms fixed with AC |
| Input characteristic curve | IEC 61131, type 3 |
| Diagnostics function | Yes |
| Power consumption from the backplane bus | 1.2 W |
| Power loss, typ. | 2.2 W; At 24 V DC; 6.0 W at 125 V AC |
| Isolation tested with | 2 000 V DC (type test) and according to EN 50155 (routine test) |
Applications
- Processing digital input signals: Use for handling 16 digital input signals in groups of 1.
- Signal monitoring with diagnostics: Use for input monitoring with diagnostics and hardware interrupts.
Frequently Asked Questions
What is the exact Siemens model of this digital input module?
The exact model is 6AG2521-7EH00-4AB0.
How many digital inputs does 6AG2521-7EH00-4AB0 have?
It has 16 digital inputs.
What input voltage values are supported by this module?
The rated DC input values are 24 V, 48 V, 72 V, 96 V, 110 V, and 125 V.
Does 6AG2521-7EH00-4AB0 support diagnostics and hardware interrupts?
Yes. Diagnostics function, diagnostic alarm, and hardware interrupt support are included.
