Wireless universal transmitter

RF I/O BU


  • Thermoplastic enclosure

  • 4 x Socket M8

  • sWave.NET® wireless technology

  • No wiring and cable laying required

  • Power supply by Lithium battery

  • Output signal can be individually configured at the receiver

  • LBT - Listen before Talk Firmware

  • Variant with SMA connector available for external antenna to increase range

Notes
  • The RF I/O BU may be used in combination with wireless inductive sensor RF IS M… FL.

Technical data

Applied standards

EN IEC 60947-5-1, EN 301 489-3, EN IEC 61000-6-2, EN IEC 61000-6-3, EN IEC 63000

Enclosure

ABS, UL 94 HB, RAL 9005

Antenna

internal antenna

Tightening torque

enclosure mounting screws: max. 1.5 Nm
cover screws: max. 1.5 Nm

Degree of protection

IP65 (IEC/EN 60529), only with plugged cables and/or with closed protective caps

Voltage source

lithium battery (replaceable)

Safety class

III

Ambient temperature

–20 °C … +80 °C

Type of installation

mount on an even surface

Mounting position

any

Mounting

screw connection

Connection

4 x socket M8 x 1, 4-pole

Switching thresholds

max. switch-on threshold: 2.05 V,
min. switch-off threshold: 0.95 V

Switch-on delay ton

max. 0.94 ms

Switch-off delay toff

max. 94.7 ms

Actuating time

min. 80 ms

Switching frequency

max. 5 Hz

Standby current

60 µA

Wireless range

SW868/915/917:
max. 450 m outdoors,
max. 40 m indoors
SW922:
max. 150 m outdoors,
max. 20 m indoors

Note

status signal – can be individually configured via radio receiver (delivery state: without status signal)
LBT – can be deactivated via radio receiver (e.g. in conjunction with repeaters)
transmission of battery voltage and switching condition
Go to our different wireless receivers to find corresponding how-to videos.

Wireless approvals

Europe: RED 2014/53/EU
USA: FCC-Id. XK5-RFRXSW915
Canada: IC - 5158A-RFRXSW915
Brazil: ANATEL 04172-18-06718
Japan: ? ARIB STD-T108: 204-610002

Downloads

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Mounting and wiring instructions – RF I/O

German, English, French, Italian, Portuguese

PDF 2 MB 19.03.2026
Please go to the relevant product pages for additional downloads.

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