VMBPIR-20 - Motion detector Velbus - Free user manual and instructions
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USER MANUAL VMBPIR-20 Velbus
VMBPIR-20 MOUNTING INSTRUCTIONS
CONCRETE or DRYWALL FLUSH MOUNTING -> A

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Technical line drawing of a mechanical assembly with a green component inserted, no visible text or symbols
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Circular metallic object with a central hole and small dot, set against a dark background (no text or symbols)SURFACE MOUNTING -> B

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Simple line drawing of a cylindrical object with a central hole and concentric rings (no text or symbols)
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3D diagram of a mechanical component with a green pipe inserted, no text or symbols presentSPOT MOUNTING -> C

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3D rendering of a mechanical component with springs and a central housing, mounted on a circular base (no text or symbols visible)
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Mechanical device with lever mechanism and green motion indicator (no text or symbols)I. Set the terminator switch

TERMINATOR ON

TERMINATOR OFF

II. Remove the BUS connector
Push on the 2 sides of the cap while holding down the module with your index finger and rotate the cap.
Remove the BUS connector by pulling it up, while firmly holding down the module.



III. Connect the EIB cable

Red: Power 15V (±3V) + Black: Power GND -
White: CANbus Low L Yellow: CANbus High H
Velbus recommends a solid core EIB/KNX grade cable with 4x 0,8 mm diameter
IV. Re-mount the BUS connector onto the module



A. CONCRETE or DRYWALL FLUSH MOUNTING
- Drill holes for the module and the EIB cable feed

- Follow steps I, II, III and IV

Set terminator

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Technical line drawing of a mechanical assembly with no visible text or symbolsRemove connector

Connect EIB cable

Mount connector
- Mount the module into the ceiling


- Configure the device via the Velbuslink software (11.2 or higher)
![VIMPR-20 - Configuration Settings Dark / Light | Noise | Noise (light-dependent) | Absence | Programs Light Is activated when value is lower than 300 during at least: 1min and will stay active for Temporary Is decimated and will turn on dark output when value is higher than 500 during at least: 1min Dark Is activated when value is higher than 100 during at least: 1min and will stay active for Temporary Is decimated and will turn on light output when value is lower than 300 during at least: 1min The output light can only be triggered a second time after the output dark has been triggered first (and twice next). In other words, they can vary to be triggered alternately. Day night cycle Threshold dark (100) Threshold light (100) Current light value: Dark (100) 0 Light 0 Output dark Output light 1 1 Reaction time light [mm] Reaction time dark [mm] Show advanced features Close Latest version Refresh s initiator Action Subject s subject Size Subject](/content/2026/05/940567/images/74f62257777c5369041cf20f6dc1b45fdf87f393bfc165c1ffc1bc880c6c513e.jpg)
| B. SURFACE MOUNTING | ||||
| 1. Prepare the wiring route | 4. Mount the module into the enclosure | |||
EIB cable through ceiling Drill 16mm hole for EIB cable | EIB cable on ceiling Cutout the marked piece in the enclosure | ![]() | not push sensor! | |
2. Secure the mounting plate Pay attention to the orientation of the thickening at the topside! | 5. Follow step IV Mount connector | 6. Lock the moduleTurn the module 90° into the enclosure by firmly twisting the connector anticlockwise The module is now locked into place | ||
3. Follow steps I, II, and III Set terminator | ![]() Remove connectorConnect EIB cable | 7. Mount the enclosure onto the mounting plate Align the tab in the enclosure with the arrow in the mounting platePush together and turn the enclosure 90° clockwise to lock it | ![]() | |
C. SPOT MOUNTING
- Drill the hole for the spot mounting and choose the bezel size

Min. drill depth 50mm
BIG BEZEL
DRILL DIAMETER: 45mm-70mm

- Mount the springs

- Follow steps I, II, and III

Set terminator

Remove connector

Connect EIB cable
- Mount the module, the bezel and the metal plate

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Technical line drawing of a mechanical assembly with springs and a central hub (no text or symbols)- Follow step IV

Mount connector
- Lock the module

Turn the module 90° into the metal plate by firmly twisting the connector clockwise
The module is now locked into place

- Mount the module in the ceiling


Drill 16mm hole for EIB cable
Cutout the marked piece in the enclosure
not push sensor!
Pay attention to the orientation of the thickening at the topside!
Mount connector
The module is now locked into place
Set terminator
Remove connectorConnect EIB cable
Align the tab in the enclosure with the arrow in the mounting platePush together and turn the enclosure 90° clockwise to lock it