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Manual OC32/NG VPEB Control your Miniature World
Page 44 of 48 Version 1.0 – December 15
th
, 2017  2017 Leon van Perlo
K4
Resistor array
or Optocoupler
In0
In1
In2
In3
A
K
A
K
A
K
A
K
8 External Events
8.1
Introduction
Optionally, the OC32 can be equipped with “Event Inputs”. These are 4 additional input ports
by which the OC32 can react to external events.
These extra input ports are inherited from a comparable function in LichtOrgel (LightOrgan).
On this device the 4 input ports can be used to start ‘a program’. Each program generates
a specific effect on your miniature world. For example, the 4 programs on a LichtOrgel could
be used for
• Morning;
•
Daytime;
• Evening;
• Night.
But of course it is possible to define your own implementation.
The function of the 4 “Event Inputs” on the OC32 is much more flexible than the comparable
function on LichtOrgel. For every “Event Input” it can be configured if a “Pin” should react
and by which “Aspect” it should react. The configuration by means of OC32config is
described in the OC32 firmware manual.
Depending on your own preference or application, the interface to the 4 “Event Inputs” can
be through an optocoupler or a resistor array. The position of the interface on the OC32 is
shown in figure 42. Each input port (In0..In3) has 2 terminals “A” and ”K”
Fig 42: Optocoupler inputs
8.2 Resistor array
A resistor array is the preferred choice if the input port(s) are to be activated by a push-
button or the contacts of a relay. A resistor array can also be used if the event input is to
be activate from another OC32, OM32 or LichtOrgel and this module is on the same GND
level as the OC32 to be activated. A push-button can be connected according to figure 43
or figure 44. Obviously, a push-button can be replaced by a (separately derived) contact on a
relay.
Control your Miniature World VPEB Manual OC32/NG
 2017 Leon van Perlo Version 1.0 – December 15
th
, 2017 Page 5 of 48
6.1.7 OC32-ADM/MX (4,8A multiplexer) ........................................................... 33
6.1.8 OC32-ADM/FH (4,8A Full H-bridge) ......................................................... 33
6.1.9 Identifying the different ADM’s ............................................................... 34
6.2 Multiple power-supplies, different voltages...................................................... 35
6.2.1 Multiple power-supplies using Sink-drivers ............................................... 35
6.2.2 Multiple power-supplies using Source-drivers ........................................... 35
6.2.3 High power Voltage ................................................................................ 35
6.3 Connecting the I/O Pins ................................................................................. 36
6.4 Example-connections ..................................................................................... 37
6.4.1 LED’s with common anode (+) ................................................................ 37
6.4.2 LED’s with common cathode (-)............................................................... 37
6.4.3 Incandescent Bulbs ................................................................................ 37
6.4.4 LED’s antiparallel................................................................................... 38
6.4.5 LED’s on barrier bars............................................................................. 38
6.4.6 Decouplers ............................................................................................ 39
6.4.7 Turnout-solenoids .................................................................................. 39
6.4.8 Turnout-solenoids (multiplexed) ............................................................... 40
6.4.9 Relays ................................................................................................... 40
6.4.10 Motors (unidirectional) ........................................................................... 41
6.4.11 Motors (bidirectionall) ............................................................................ 41
6.4.12 Servo Motors ........................................................................................ 41
6.4.13 Pushbutton or switch (input) .................................................................. 42
6.4.14 Input from another control system (input) ............................................... 42
7 Serial Accessory Port .................................................................................... 43
8 External Events ............................................................................................. 44
8.1 Introduction.................................................................................................. 44
8.2 Resistor array .............................................................................................. 44
8.3 Optocoupler.................................................................................................. 45
9 Installation of the U485 ................................................................................. 46