Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | Digital input module, DI 64x24VDC BA |
| Digital input channels | 64 |
| Input voltage | 24 V DC rated; signal 0: -5 … +5 V; signal 1: -11 … -30 V or +11 … +30 V |
| Input configuration | Sinking/sourcing input; IEC 61131 type 3 |
| Input delay | Typical 3.2 ms; 3 ms to 4 ms for standard inputs |
| Supply voltage | 19.2 V to 28.8 V DC permissible range |
| Backplane bus power consumption | 0.6 W |
Applications
- Digital signal acquisition: Acquires digital 24 V DC signals through 64 sinking/sourcing input channels.
Key Features
- Digital input capacity: 64 digital inputs, arranged in groups of 16; all 64 inputs can be controlled simultaneously, according to the manual.
- Input signals: Rated input voltage: 24 V DC. Signal 0: -5 … +5 V; signal 1: -11 … -30 V or +11 … +30 V, with COM as the reference potential.
- Input characteristics: Sinking/sourcing input with an IEC 61131 type 3 input characteristic. Typical signal 1 input current: 2.7 mA.
- Supply and power: Permissible supply range: 19.2 V to 28.8 V DC. Power consumption from the backplane bus: 0.6 W; typical power loss: 4.8 W.
- Connection and installation: The module is 35 mm wide. Cables and terminal blocks are ordered separately as accessories; SIMATIC TOP connect connection modules provide PWR-LED and channel status display.
Frequently Asked Questions
1. How many digital inputs does the 6ES7521-1BP00-0AA0 have?
It has 64 digital inputs in groups of 16. All 64 inputs can be controlled simultaneously, according to the manual.
2. Which input signal ranges are supported?
The rated input voltage is 24 V DC. Signal 0 is -5 … +5 V, while signal 1 is -11 … -30 V or +11 … +30 V, with COM as the reference potential.
3. What input type does this module use?
It uses sinking/sourcing inputs with an IEC 61131 type 3 input characteristic.
4. What is included in the configuration?
The module is without cables and terminal blocks; these are ordered separately as accessories.
