B&R X20SO6300 6-Channel Safe Digital Output Module

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The B&R X20SO6300 is a safety-rated digital output module for X20 SafeIO architectures. It provides six 24VDC Type B1 semiconductor outputs, each rated at 0.2 A, for controlling safety-related actuators with a ground reference, such as drive-enable circuits. Integrated short-circuit, overload, reverse-polarity, and restart protection help maintain defined safe states. With OSSD test pulses below 10 μs and support for SIL 3 / PL e applications, it suits cabinet-mounted machine and process safety designs.

Technical Specification For X20SO6300

Brand

B&R

Output Variant

FET, 2x positive switching, Type B1, output level readable

Product Series

X20 SafeIO

Supply Voltage

24VDC, -15% / +20%

Product Model

X20SO6300

Output Current

0.2 A per channel; 1.2 A total nominal current

Product Type

Safe Digital Output Module

OSSD Test Pulse

Maximum 10 μs

Output Channels

6 safe digital outputs

Safety Rating

SIL 3 / PL e / Category 4 with OSSD enabled

FAQ

Q1: What does Type B1 output mean for X20SO6300?
A: It uses a high-side/high-side output design for actuators with a reference potential, such as safe enable inputs on drives.

Q2: Can OSSD testing be disabled?
A: It can be configured, but disabling OSSD reduces fault-detection capability and does not maintain SIL 3 or PL e performance.

Q3: How does the module prevent automatic restart after a fault?
A: Each output uses an internal restart interlock that requires fault correction, a valid safety signal, and a release-signal edge.

Q4: What should be checked before replacing X20SO6300?
A: Confirm the safety project, SafeDESIGNER configuration, firmware, grounding method, output wiring, terminal block, and post-replacement safety validation.