Product Description
Key Features
- Digital input configuration: 16 digital inputs in groups of 1; parameterizable, with sourcing/sinking input capability.
- Input voltage: Rated input values: 24 V, 48 V and 125 V DC; 24 V, 48 V and 125 V AC (50 – 60 Hz).
- Input delay: DC input delay is parameterizable from 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms; AC input delay is fixed at 20 ms.
- Diagnostics and interrupts: Diagnostics function, diagnostic alarm, hardware interrupt, wire-break diagnosis and channel status display are available.
- Counter function: Up to 2 counter inputs are available on Channel 0 and 1, with 6 kHz maximum counting frequency and 32 bit counting width; available from FS04.
- SIPLUS environmental design: Based on 6ES7521-7EH00-0AB0, with conformal coating and -40…+70 °C.
Applications
- Digital signal acquisition: Acquires digital input signals through 16 parameterizable channels.
- Signal counting: Counts input signals on Channel 0 and 1, with up to 2 counters and 6 kHz maximum counting frequency.
Technical Summary
| Product type | DI 16×24 … 125 V UC HF |
|---|---|
| Product name | 6AG1521-7EH00-7AB0 |
| Based on | 6ES7521-7EH00-0AB0 |
| Product lifecycle | Active Product |
| Digital inputs | 16; > +60 °C number of simultaneously controllable inputs max. 4 (no adjacent points) |
| Rated input voltage (DC) | 24 V; 48 V, 125 V |
| Rated input voltage (AC) | 24 V; 48 V, 125 V (50 – 60 Hz) |
| Input delay | 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms parameterizable with DC, 20 ms fixed with AC |
| Counter function | 2 max.; Channel 0 and 1; 6 kHz max.; 32 bit |
| Hardware interrupts | Yes |
| Conformal coating and temperature | Conformal coating; -40…+70 °C |
Frequently Asked Questions
What exact model should be confirmed for this SIPLUS input module?
Confirm Siemens 6AG1521-7EH00-7AB0, product type DI 16×24 … 125 V UC HF, based on 6ES7521-7EH00-0AB0.
How many digital inputs does the module have?
It has 16 digital inputs in groups of 1. Above +60 °C, a maximum of 4 non-adjacent inputs can be simultaneously controllable.
Does this module support counter operation?
Yes. Up to 2 counters are available on Channel 0 and 1, with 6 kHz maximum counting frequency and 32 bit counting width; the function is available from FS04.
Which input delay settings are available?
For DC, the parameterizable settings are 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms. For AC, the delay is fixed at 20 ms.
