Product Overview
Technical Summary
| Product designation | DI 16x24VDC HF |
|---|---|
| Digital input channels | 16, in groups of 16 |
| Supply voltage, rated | 24 V DC |
| Supply voltage, permissible range | 19.2 V to 28.8 V DC |
| Input delay, parameterizable | 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms |
| Counter | 2 maximum; 6 kHz maximum counting frequency; 32 bit counting width |
| Input characteristic | IEC 61131, type 3 |
| Bus cycle time, minimum | 250 μs |
| Isolation test | 750 V DC (type test) and according to EN 50155 (routine test) |
| Product lifecycle | Active Product |
Key Features
- Product designation: DI 16x24VDC HF digital input module, based on 6ES7521-1BH00-0AB0.
- Digital inputs: 16 parameterizable digital inputs in groups of 16; input characteristic curve according to IEC 61131, type 3.
- Input delay: Parameterizable standard-input delay: 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms; minimum and maximum transition delay are 0.05 ms and 20 ms.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 19.2 V to 28.8 V DC; reverse polarity protection: Yes.
- Diagnostics and interrupts: Diagnostics function, diagnostic alarm, hardware interrupt, supply-voltage monitoring, wire-break diagnosis to I < 350 μA, and RUN, ERROR, PWR, channel-status and diagnostic LEDs.
- Environmental configuration: Conformal coating; -40…+70 °C, OT4 with ST1/2 (+85 °C for 10 minutes).
Applications
- Gate start/stop: The parameterizable digital input functions include gate start/stop.
Frequently Asked Questions
Which specifications distinguish Siemens 6AG2521-1BH00-4AB0?
It is a DI 16x24VDC HF module with 16 parameterizable digital inputs in groups of 16, a 24 V DC rated supply, configurable input delay from 0.05 to 20 ms, diagnostics, and hardware interrupts.
What supply and input values should be checked for this code?
Check the 24 V DC rated supply and permissible range of 19.2 V to 28.8 V DC. Signal "0" is -30 to +5 V, and signal "1" is +11 to +30V.
What diagnostic functions are included?
The module has supply-voltage monitoring, wire-break diagnosis to I < 350 μA, diagnostic alarm, hardware interrupt, and RUN, ERROR, PWR, channel-status and diagnostic LEDs.
Which code and nameplate details should be checked for quotation?
Check the complete order number 6AG2521-1BH00-4AB0, the product designation DI 16x24VDC HF, and the based-on code 6ES7521-1BH00-0AB0. Provide the required quantity and destination for a quotation.
