16CH Binary Input

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16CH Binary Input
16CH Binary Input Overview.jpg
16CH Binary Input comp.jpg
Developer Matthias F.
Status Version 1.0 finished
Microcontroller/Board
KNX connectivity Mini-BCU


Description

16ch Binary Input (potential-free)

The binary input has 16 inputs available and is used to connect eight conventional push-buttons or floating contacts such as window or relay contacts. There is one status LED for each input. In addition, the input status is sent to the bus. A separate power supply is not necessary


Technical Data:

  • Operating voltage:         KNX Bus voltage <10mA
  • Installation type:             Top Hat Rail mounting
  • Number of Inputs:           16
  • Number of S0-Inputs:      4 (CH13 - CH16)
  • Input polling:                    with 100ms, 300ms or 500ms
  • Typ of Inputs:                   potential-free / floating contacts
  • Max. cable length:           30m tested (more possible)
  • input voltage:                  5V
  • Max. input voltage:          24V (absolute rating, for <1min)
  • Max. input current:          10mA
  • The device makes a contact supply voltage (5V) which is not electrically isolated from the bus voltage!
  • x-Inputs can configure to a "room" ("room"-GA can show if one of the windows is open in the room)

Schematic

16CH Binary Input Schematic.png


Hardware

What you need

for this device do you need:

  • 1x OKW Housing
  • 1x PCB Kit
  • 1x Mounting Kit (screws, ...)
OKW Housing link OKW-Website:[1]
1x B6503121 RAILTEC B, 4 Module
3x B6607140 Klemmenabdeckung, flach 
1x B6607145 Abdeckung KNX, flach
4x B6607142 Klemmenabdeckung, flach 
(1x) B6603180 Frontplatte, 4 Module (only if you don't use the "LED-Status-PCB" 


PCB Kit:
1) Application PCB
2) Controller PCB
3) LED-Status PCB (for function not necessary, only to show the status of the Inputs)
4) Mini-BCU (KNX-Transceiver)
16CH Binary Input PCBs.jpg


Mounting Kit
4x 


without housing

Software

What you need

  • Arduino IDE (link)
  • Arduino Code for 16CH Binary Input
  • XML-File for 16CH Binary Input
  • KONNEKTING SUITE (link)


Arduino Code

XML-File

User Documentation

SW Documentation

Sperrobjekte

Room classification

HW Documentation

Circuit diagram

16Ch Input
12Ch Input + 4Ch S0-Interface

Developer Documentation

State Machine

START -> Loop over all Channels (activation Outputs x + y -> readout inputs x + y -> update Status LED -> deactivation Outputs x + y)

Build It

Links