Key Features
- 16 digital inputs: Digital input module with 16 channels.
- 230 V AC input version: Rated value (AC): 230 V; 120/230 V AC, 50/60 Hz.
- Front connector ordered separately: Front connector with screw terminals or push-in to be ordered separately.
- Input delay 20 ms: Input delay: 20 ms.
- Channel grouping: 16 channels in groups of 4.
Technical Summary
| Product type designation | DI 16x230VAC BA |
|---|---|
| Number of digital inputs | 16 |
| Rated input voltage (AC) | 230 V; 120/230 V AC, 50/60 Hz |
| Input delay | 20 ms |
| Channels per group | 4 |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Power consumption from the backplane bus | 1 W |
| Power loss, typ. | 4.9 W |
| Input voltage for signal "1" | 79V AC to 264V AC |
| Input voltage for signal "0" | 0V AC to 40V AC |
| Potential separation between the channels and backplane bus | Yes |
Applications
- Reading 230 V AC digital signals: For acquiring 230 V AC input signals on 16 channels.
- Connecting 2-wire sensors: Supports connection of 2-wire sensors.
Frequently Asked Questions
What is the exact Siemens model 6ES7521-1FH00-0AA0?
It is a SIMATIC S7-1500 digital input module, DI 16×230 V AC BA.
How many digital inputs does 6ES7521-1FH00-0AA0 provide?
It provides 16 digital inputs.
What input voltage does 6ES7521-1FH00-0AA0 support?
Rated value (AC) is 230 V; 120/230 V AC, 50/60 Hz.
What connector is required for 6ES7521-1FH00-0AA0?
A front connector with screw terminals or push-in must be ordered separately.
