The SIMATIC S7 400 6ES7421 1BL01 0AA0 is a black digital output module designed for industrial automation applications. This standard-sized module is suitable for rack mount installations. With a frequency range of 50/60 Hertz (HZ), it is ideal for various automation processes. As an exporter, manufacturer, supplier, and trader, this product offers high reliability and efficiency in controlling and monitoring industrial systems.

Data Sheet: SIMATIC S7-400 SM 421

Article No.: 6ES7421-1BL01-0AA0
Type: Digital Input Module, Isolated, 32 DI, 24 V DC

General Information

• Input from Backplane Bus: 5 V DC, max. 20 mA

• Typical Power Loss: 6 W

Digital Inputs

• Number of Inputs: 32

• Input Characteristic: IEC 61131 Type 1

• Simultaneously Controllable Inputs: 32

• Input Voltage:

  • Type: DC

  • Rated Value: 24 V DC

  • Signal 0: -30 V to +5 V DC

  • Signal 1: 13 V to 30 V DC

• Input Current:

  • Signal 0 (max): 1.3 mA

  • Signal 1 (typ): 7 mA

• Input Delay (for rated voltage):

  • 0 1: min 1.2 ms, max 4.8 ms

  • 1 0: min 1.2 ms, max 4.8 ms

Cabling

• Max Cable Length:

  • Shielded: 1,000 m

  • Unshielded: 600 m

Encoder Connection

• Connectable Encoders: 2-wire sensor

• Max Quiescent Current (2-wire sensor): 1.5 mA

Diagnostics / Status

• Diagnostics Function: No

• Status LED (Digital Input, Green): Yes

Isolation / Potential Separation

• Between Channels: No

• Between Channels (in groups of 32): Yes

• Between Channels and Backplane Bus: Yes

• Isolation Tested: 500 V AC / 707 V DC, type test

Dimensions & Weight

• Width: 25 mm

• Height: 290 mm

• Depth: 210 mm

• Weight: approx. 500 g

FAQs of SIMATIC S7 400 6ES7421 1BL01 0AA0: