IAC

B&R X20SLX811-1

X20 SafeLOGIC-X controller (Safety+) 8 safe type A digital inputs, 4 pulse outputs, 24 VDC

Lifecycle & replacement

Lifecycle status not indexed

No manufacturer-published lifecycle data for B&R part numbers is indexed here yet. Ask IAC to check availability and an upgrade path.

IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.

Technical specifications

Short description
I/O module8 safe type A digital inputs, 4 pulse outputs, 24 VDC, SafeLOGIC-X technology
General information
Diagnostics / Module run/errorYes, using LED status indicator and software
Diagnostics / InputsYes, using LED status indicator and software
Power consumption / Bus0.4 W
Power consumption / Internal I/O2.5 W
Additional power dissipation caused by actuators (resistive) [W] / Pulse outputs0.8
Electrical isolation / Channel - BusYes
Electrical isolation / Channel - ChannelNo
Certifications / CEYes
Certifications / UKCAYes
Certifications / CRA (Cyber Resilience Act)In preparation
Certifications / Functional safetyIEC 61508:2010, SIL 3 EN 62061:2005/A2:2015, SIL 3 EN ISO 13849-1:2015, Cat. 4 / PL e IEC 61511:2004, SIL 3
Certifications / Functional safety #2EN 50156-1:2004
Certifications / ATEXIn preparation
Certifications / ULcULus E115267 Industrial control equipment cULus E537419 Engine generator controller
B&R ID code0x2F21
Status indicatorsI/O function per channel, operating state, module status
Safety characteristics
NoteSee section "Safety characteristics".
Safe digital inputs
Input filter / Hardware≤150 µs
Input filter / SoftwareConfigurable between 0 and 500 ms
Switching threshold / Low<5 VDC
Switching threshold / High>15 VDC
Quantity8
VariantType A
Nominal voltage24 VDC
Input characteristics per EN 61131-2Type 1
Input circuitSink
Input voltage24 VDC -15% / +20%
Input current at 24 VDCMin. 2 mA to max. 3.28 mA
Input resistanceMin. 7.33 kΩ
Error detection time100 ms
Insulation voltage between channel and bus500 Veff
Line length between signal source (pulse output or external signal) and inputMax. 60 m with unshielded line Max. 400 m with shielded line
Pulse outputs
Quantity4
VariantPush-Pull
Nominal output current50 mA
Output protectionShutdown of individual channels in the event of overload or short circuit
Peak short-circuit current0.5 A for 120 µs
Short-circuit current15 mAeff
Leakage current when the output is switched off0.1 mA
RDS(on)80 Ω
Switching voltageI/O power supply minus voltage drop due to RDS(on)
Total nominal current200 mA
Operating conditions
Mounting orientation / HorizontalYes
Mounting orientation / VerticalYes
Installation elevation above sea level0 to 2000 m, no limitation
Degree of protection per EN 60529IP20
Ambient conditions
Temperature / Operation / Horizontal mounting orientation0 to 60°C
Temperature / Operation / Vertical mounting orientation0 to 50°C
Temperature / DeratingSee section "Derating".
Temperature / Storage-40 to 85°C
Temperature / Transport-40 to 85°C
Relative humidity / Operation5 to 95%, non-condensing
Relative humidity / Storage5 to 95%, non-condensing
Relative humidity / Transport5 to 95%, non-condensing
Mechanical properties
NoteOrder 1x safety-keyed terminal block separately. Order 1x safety-keyed bus module (single-width) separately.
Pitch12.5⁺⁰.² mm

Documentation & CAD

Files hosted by B&R Industrial Automation; links open the official download page.

Get a quote for a replacement

Industrial Automation Co. stocks, sources, and repairs B&R parts — new, refurbished, or exchange units with warranty.

Specifications from the official B&R product catalog. Always confirm against the datasheet for your exact revision.