B&R X20SD1207 is a safe digital meter module of the X20 series

Used for speed and position measurement in industrial automation.

Ideal for safety-related applications requiring PL e or SIL 3 compliance.

Suitable for acquiring velocity data from encoder signals in safety systems.

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The X20SD1207 is a safe digital counter module from the B&R X20 series. It features one safe digital input supporting up to 7 kHz counting frequency and is designed for encoder inputs (A-A, A-B, A-A/-B-B). The module ensures secure data transfer using openSAFETY protocol and integrates seamlessly with X20 SafeIO systems.

Input Type: 1 safe digital counter input (Type A)

Nominal Voltage: 24 VDC (-15% / +20%)

Max Frequency: 7 kHz

Input Circuit: Sink type

Input Current: 2–2.48 mA @ 24 VDC

Isolation: Channel to bus 500 V AC

Power Consumption: Bus 0.25 W, Internal I/O 0.75 W

Protection: IP20

Operating Temperature: 0°C to +60°C

Humidity: 5–95%, non-condensing

Functional Safety: SIL 3, PL e, Cat. 4

Standards: IEC 61508, EN ISO 13849-1, ATEX Zone 2

Mounting: Compatible with X20 12-pin terminal blocks

Data Sheet