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SIEMENS 6ES7131-4BD01-0AA0 digital input module
- Distributed I/O systems
- Digital signal integration with PLC systems
- Machine automation
- Sensor data acquisition
- Signal monitoring in industrial production lines
- Data transmission via PROFIBUS DP
SIEMENS 6ES7131-4BD01-0AA0 is a digital input module from Siemens’ SIMATIC ET 200S series. This module is used to transmit 24V DC signals from the field to central control systems via 4 digital input channels. It is especially preferred in distributed I/O systems and for data transmission over PROFIBUS DP.
- Module Type: Digital input module (4DI Standard 24V DC)
- Series: SIMATIC DP – ET 200S
- Number of Inputs: 4 digital inputs
- Nominal Input Voltage: 24 V DC
- Signal Levels:
- “0” signal: -30 V to +5 V
- “1” signal: +15 V to +30 V
- Input Current: Typically 7 mA (at 24 V signal)
- Input Delay:
- “0” → “1”: 2–4.5 ms
- “1” → “0”: 2–4.5 ms
- Cable Length:
- Shielded: 1000 m
- Unshielded: 600 m
- Potential Isolation:
- Between inputs and backplane bus: Yes
- Between input channels: No
- Protection Class: IP20
- Dimensions: 15 mm (W) × 81 mm (H) × 52 mm (D)
- Weight: Approx. 35 g
- Status LEDs: Green input status LED for each channel
- Diagnostic LED: None (no SF - Group Error LED)
- Compatible Sensors: 2-wire sensors (max. 1.5 mA current)
- Address Area: 1 byte per module (with 4-bit packing)