Technical Summary
| Product type designation | DI 16x110VDC HF |
|---|---|
| Based on | 6ES7521-7EH00-0AB0 |
| 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 voltage, rated value (AC) | 24 V; 48 V, 125 V (50 – 60 Hz) |
| 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 |
| 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) |
| Product lifecycle | Active Product |
Key Features
Digital input module with 16 channels in groups of 1.
Built with conformal coating for the SIPLUS extreme variant.
-40…+70 °C, OT4 with ST1/2 (+85 °C for 10 minutes).
Includes diagnostics and hardware interrupts.
Input delay 0.05 … 20 ms for standard inputs.
Variant based on 6ES7521-7EH00-0AB0.
Applications
For 16-channel digital input signal acquisition.
For input events that use hardware interrupts.
Frequently Asked Questions
What is the exact model and product type of 6AG2521-7EH00-4AB0?
It is a SIPLUS S7-1500 DI 16x110VDC HF digital input module.
How many digital inputs does 6AG2521-7EH00-4AB0 have?
It has 16 digital inputs, arranged in groups of 1.
What input voltage values are supported by 6AG2521-7EH00-4AB0?
Rated input voltage is 24 V, 48 V, 72 V, 96 V, 110 V, or 125 V DC, and 24 V, 48 V, or 125 V AC (50 – 60 Hz).
What are the input delay settings for this module?
For standard inputs, the input delay is parameterizable at 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms with DC, and 20 ms fixed with AC.
Which installation and isolation details are listed for 6AG2521-7EH00-4AB0?
Shielded cable length is up to 1 000 m, unshielded cable length is up to 600 m, and isolation is tested with 2 000 V DC (type test) and according to EN 50155 (routine test).
