Membrane Wheel Plate SWP-WRC3.1


Ship from supplier in 4-7 working days.

Available: In stock


Keyboard button: backlit with integrated 2-colour gauge LED

Adjustment gauge LEDs coupled with rotary switch position

Exchangeable label sticker – backlit

Mechanical rotary switch with colour sticker

Panel mounting on steering wheel
• Requirements on the mounting system (apart of fixing function)
• maximum protection of panel when handling of the car
• minimum weight
• simple steering column cable
• quick mounting and dismounting from steering wheel (steering
wheel arms cannot be modified – FIA WRC regulation)
• Rear cover shaped to be centered on steering wheel – actually designed
for Sabelt Ø330 mm and larger, can be adjusted on request.
• Fixing on steering wheel by cable ties

Keyboard layouts, shape
• Layouts (button colors and symbols) can be modified to the customer requirements
• Standard layout is supplied with empty fields
• Sticker set is supplied with SWP-WRC3.1. If required, stickers can be already placed on the membrane before delivered
• Larger quantities can be supplied with graphics on membrane applied by seriography
• Relief of buttons can be heighten by applying silicone caps on the top of the buttons (height up to cca 1.5 mm)


1 CAN line
• 1 Mbit/s throughtput data rate
• 2.0B protocol
• Software selectable 120 Ω terminator
• Protection against short circuit to ground and battery

1 Digital input for programming enable (ENCP)
• Input resistance: 4.7 kΩ (5V pull-up)
• Protection against short circuit to Vbattery

12 Keyboard buttons
• With back lighting
• With integrated 2 – color gauge LED
• Button state transmitted on CAN

4 Mechanical rotary switches
• Compact design – PCB mounted
• Switch state transmitted on CAN
• Mechanical endless with electrical „smart stop“ feature
• Number of positions adjustable by SW

2 On–Off drivers
• High side driver Vbattery, up to 1 A
• Output voltage reread
• Linear current limitation
• Protection against short circuit to ground
• Overload, over temperature feedback and protection

12 Gauge LEDs
• 2 color state (red – green)
• Integrated in keyboard buttons
• Activation received from CAN
• Each LED controlled independently from button
• LED color adjustable by SW within red – green scale
• Brightness adjustable by SW

4 Status Gauge LED at rotary groups
• 6 single colour LEDs in each rotary group (8 optional on request)
• Each LED group has its independent control – internally (by firmware)
or via CAN
• LED colors can be modified on request (HW modification)

1 Internal temperature
• Sampling resolution: 10 bits
• Temperature range: -40 / +120 °C

2 High side switch outputs voltage reread
• Sampling resolution: 10 bits
• Voltage partition 20 mV
• Analogue anti aliasing filter

Preliminary overall dimensions
• With cable: 209 x 153 x 29 mm
• Including rotary knobs: 209 x 153 x 42 mm
• Connector: cable with free leads (colour coded)
• Machined aluminum / ABS cover
• IP grade  IP65

Weight (without steering wheel)
• approx 325 g






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