Difference between revisions of "KONNEKTING Modular DIN RAIL Device Specification"

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|https://www.buerklin.com/de/RAILTEC-B-4-Module-Ausf-VI/p/30H2334
 
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|[[File:OKW-B6607145.png|200px|thumb|left|B6607145]]
 
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Revision as of 09:40, 15 February 2021

Din Rail Case

Manufacturer: https://www.okw.com

Part: Railtec B - 4 TE / https://www.okw.com/de/Railtec-B/B6503121.htm?var=c9f11140-cb2e-11e3-89f9-00163e72470b

The case can be ordered directly from OKW. But keep in mind that you should reach 100EUR netto to overcome additional shipping fees. Your can also order the case at buerklin.com without the 100EUR limit. Just search for the OKW part-number with the search on the Bürklin web page.

Example:

DFF4.1 1.0.png

BOM

Picture Description OKW part number Bürklin order number OKW link Bürklin link
B6503121
 RAILTEC B, 4 MODULES, VERS. VI (1 base part with locking clip, 1 top part) B6503121 30H2334 https://www.okw.com/en/Railtec-B/B6503121.htm https://www.buerklin.com/de/RAILTEC-B-4-Module-Ausf-VI/p/30H2334
B6607145
 KNX COVER, FLAT B6607145 30H2433 https://www.okw.com/en/Railtec-B/B6607145.htm https://www.buerklin.com/de/Abdeckung-KNX-flach/p/30H2433
n/a TERMINAL GUARDS, FLAT (Perforated, for block 5.0) B6607143 30H2432 https://www.okw.com/en/Railtec-B/B6607143.htm https://www.buerklin.com/de/Klemmenabdeckung-flach/p/30H2432
n/a TERMINAL GUARDS, FLAT (With ventilation slots) B6607141 30H2430 https://www.okw.com/en/Railtec-B/B6607141.htm https://www.buerklin.com/de/Klemmenabdeckung-flach/p/30H2430
n/a TERMINAL GUARDS, FLAT (Closed) B6607140 30H2429 https://www.okw.com/en/Railtec-B/B6607140.htm https://www.buerklin.com/de/Klemmenabdeckung-flach/p/30H2429
n/a FRONT PANEL, 4 MODULES, VERS. VI B6603180 30H2402 https://www.okw.com/en/Railtec-B/B6603180.htm https://www.buerklin.com/de/Frontplatte-4-Module-Ausf-VI/p/30H2402

Mechanical

The OKW case allows PCBs on 3 levels. From top to bottom we name them:

  • Frontend PCB
  • Controller PCB
  • Application PCB

The PCBs are scred together with M3 hex-spacers. Here's a mechanical overview (from top to bottom): 

[2mm space to outer case edge]
[1,6mm inner OKW Railtec cover]
[6,1mm free space to inner OKW Railtec lid] → top-edge inner lid to top-edge frontend pcb = 7,7mm
[1,6mm Frontend PCB] 
[15mm M3 hex spacer]
[1,6mm Controller PCB]
[18mm M3 hex spacer]
[1,6mm Application PCB]
[3,5mm screw pin on black OKW Railtec base plate]

Recommendation for tactile push button Frontend PCB: 9,5mm height.

THT http://www.reichelt.de/Kurzhubtaster/TASTER-3301B/3/index.html?ACTION=3&LA=2&ARTICLE=27893&GROUPID=7587&artnr=TASTER+3301B&SEARCH=%252A
SMD http://www.reichelt.de/Kurzhubtaster/TASTER-9319/3/index.html?ACTION=3&LA=2&ARTICLE=44518&GROUPID=7587&artnr=TASTER+9319&SEARCH=%252A


5mm LED PCB spacer for 3mm THT LEDs: http://www.reichelt.de/Zubehoer-fuer-LEDs/MEN-2818-3045/3/index.html?ACTION=3&LA=446&ARTICLE=62820&GROUPID=3044&artnr=MEN+2818.3045&SEARCH=led%2Babstandshalter 

→ the LED protrudes about 2mm out of the cover lid.
→ Use 4mm led spacer to reduce this to 1mm

You can use a plain PCB with silkscreen printing and wholes to create a nice looking cover, that sits on the OKW Railtec lid. This will also fill the remaining space to the outer case edge on top of the OKW lid.

Reference controller

See M0dularis+

Interconnections

Controller: Application Socket

The controller PCB must use a 2x4 or 2x8 micromatch socket.

Example controller PCB (on top: application socket, on left: frontend socket):

M0dularis+ Controller with µBCU

Pinout:

Description Pin Pin Description
GND / KNX GND 1 2 GND from 24V Input
VCC 3 4 24V from 24V Input
SDA / IO0 5 6 IO3
SCL / IO1 7 8 ExtINT Application / IO2
Option0 9 10 Option7
Option1 11 12 Option6
Option2 13 14 Option5
Option3 15 16 Option4

Remarks:

  • Option0..7: Freely selectable, depends on the controller. If not used at all: Stick to Pin1..8 and apply a 2x4 micromatch socket only.
  • IO0..IO3: Freely selectable, but:
    • SDA/SCL: This pins must have I2C capabilities
    • ExtINT: This pin must have interrupt capabilities
  • 24V Input: 24V DC supply voltage from separate socket with white/yellow wire pair
  • GND: relative to VCC
  • GND 24V: relative to 24V DC Input
  • VCC: 3.3V or 5V, depending on the controller, if possible, selectable with jumper/solderjumper

Controller: Frontend Application Socket

Description Pin Pin Description
GND 1 2 SDA
VCC 3 4 SCL
unused/reserve 5 6 ExtINT Frontend

Remarks:

  • See Application Connector above

Controller: Extension Socket

KONNEKTING (talk) not yet fully specified. work in progress

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