B&R X20SI9100 X20 Safe Digital Input Module

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B&R  X20SI9100

The B&R X20SI9100 is a safe digital input module from the X20 system family, designed for safety-related applications up to PL e (Category 4) or SIL 3 . The module features 20 safe digital inputs (type A) and 4 pulse outputs, operating at a nominal voltage of 24 VDC . This module is specifically engineered to read various digital signals in safety-critical environments. It is equipped with configurable input filters and provides pulse signals for diagnosing sensor lines, making it suitable for high-integrity safety applications such as emergency stop monitoring, guard door locking, and light curtain integration .

Detailed Information

Part Number: X20SI9100

I/O module: 20 safe digital inputs, 4 pulse outputs, 24 VDC

Nominal voltage: 24 VDC

Voltage range: 24 VDC -15% / +20%

Integrated protection: Reverse polarity protection

Hardware: ≤150 μs

Software: Configurable between 0 and 500 ms

Input circuit: Sink

Input voltage: 24 VDC -15% / +20%

Bus Power Consumption: 0.4 W

Internal I/O Power Consumption: 1.6 W

Features

• 20 Safe Digital Inputs (Type A): Provides high-density safe input capability for connecting numerous safety devices such as emergency stop pushbuttons, guard door switches, and light curtains .

• 4 Pulse Outputs: Generates test pulses for sensor line diagnostics, enabling detection of short circuits, cross circuits, and open circuits in the wiring .

• Configurable Software Input Filters: Each input channel features individually configurable switch-on and switch-off filters (0-500 ms) to debounce signals and reject noise .

• Galvanic Isolation (Channel to Bus): Provides electrical separation between the field inputs and the system bus, enhancing noise immunity and protecting the backplane from field-side faults .

• Reverse Polarity Protection: Integrated protection on the I/O power supply prevents damage from accidental reverse wiring .

• Output Short Circuit Protection: Individual channel shutdown protects the module and wiring in the event of overload or short circuit conditions .

Application

The X20SI9100 is designed for safety-critical applications across a wide range of industries, particularly those requiring functional safety up to PL e/SIL 3.

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