Key Features
- 16 digital inputs: Provides 16 channels in groups of 16.
- 24 V DC sourcing input: Digital input module DI 16×24 V DC BA with sourcing input.
- 3.2 ms input delay: Input delay: 3.2 ms.
- Front connector ordered separately: Front connector: screw terminals or push-in.
- Reverse polarity protection: Supply voltage reverse polarity protection: Yes.
Applications
- 24 V DC signal acquisition: Acquiring 24 V DC digital input signals.
- SIMATIC S7-1500 I/O signal interfacing: Connecting sourcing field signals to a SIMATIC S7-1500 input station.
Technical Summary
| Product type designation | DI 16x24VDC SRC BA |
|---|---|
| Number of digital inputs | 16 |
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range, lower limit (DC) | 19.2 V |
| Supply voltage, permissible range, upper limit (DC) | 28.8 V |
| Input delay | 3.2 ms |
| Power consumption from the backplane bus | 0.9 W |
| Power loss, typ. | 2.8 W |
| Input characteristic curve in accordance with IEC 61131, type 3 | Yes |
| Reverse polarity protection | Yes |
| STEP 7 TIA Portal configurable/integrated from version | V12 / V12 |
| Firmware version | V2.0.0 |
Frequently Asked Questions
What does the Siemens 6ES7521-1BH50-0AA0 do?
It is a SIMATIC S7-1500 digital input module for 16 x 24 V DC sourcing inputs.
How many inputs and what input voltage does this module have?
It has 16 digital inputs with a rated input voltage of 24 V DC.
What is the input delay of this DI module?
The input delay is 3.2 ms.
Which engineering version supports this module in STEP 7 TIA Portal?
STEP 7 TIA Portal configurable/integrated from version V12 / V12.
What should be checked before ordering the front connection?
The front connector is ordered separately and is available with screw terminals or push-in.
