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VPEB OC32/NG Manual

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Manual OC32/NG
VPEB
(This page is intentionally left blank)
Page 48 of 48
Version 1.0 – December 15
Control your Miniature World
th
, 2017
©2017 Leon van Perlo
VPEB
VPEB
OC32
Manual
Smart electronics for your miniature world
Van Perlo Elektronica
Van Perlo Elektronica
& Besturingstechniek
& Besturingstechniek
/NG
Author: Leon J.A. van Perlo
Version: 1.0
th
Date:
December 15
, 2017

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  • Page 1 VPEB VPEB Van Perlo Elektronica Van Perlo Elektronica Manual OC32/NG VPEB Control your Miniature World & Besturingstechniek & Besturingstechniek (This page is intentionally left blank) OC32 Manual Author: Leon J.A. van Perlo Version: 1.0 Smart electronics for your miniature world...
  • Page 2 Manual OC32/NG VPEB Control your Miniature World Control your Miniature World VPEB Manual OC32/NG (This page is intentionally left blank) Release management This manual applies to PCB/module • OC32 Rev10 ©2017 This document, or any information contained herein, may not be copied or distributed, in whole or in parts, in whatever form, without the explicit written approval of the original author.
  • Page 3 Windows Vista • In this manual we will use both names OC32 and OC32/NG. When we write ‘OC32’, we mean • Windows 7 ‘any version of the OC32’. Where we write ‘OC32/NG’ we specifically mean the /NG version.

  • Page 4: Table Of Contents

    Use of separate power supplies for OC32 and connected devices ....15 example we describe the possibility to control the input port from a pushbutton or other 4.4.3 Providing power to the OC32/NG via K5A or K5B........16 type of switch. 5V ....................... 16 Use of model railroad- and other transformers ..........
  • Page 5 Manual OC32/NG VPEB Control your Miniature World Control your Miniature World VPEB Manual OC32/NG External Events 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 8.1 Introduction Multiple power-supplies, different voltages............35 6.2.1...
  • Page 6 Manual OC32/NG VPEB Control your Miniature World Control your Miniature World VPEB Manual OC32/NG (This page is intentionally left blank) 7 Serial Accessory Port Starting from firmware 3.0.0.0, the OC32 offers a Serial Accessory Port. This feature enables control of external Devices without using I/O Pins. A typical example of such an external Device could be a sound module.

  • Page 7: Oc32 - Introduction

    Voltage than 0V to the OC32. If the outputs supply more than 5V you can limit the Voltage delivered to the OC32 by means of a Voltage divider as shown in figure 40 below. The Fig 1: OC32/NG resistor Rs depends on the output-voltage of your external system and can be found with 1.2 Functions...

  • Page 8: Oc32 I/O Pins

    The motor has to be connected Q(x+0) Q(x+0) between two consecutive outputs. The standard version of the OC32/NG is equipped with 2 serial interfaces: An RS485 Q(x+1) Q(x+1) interface and an RS232 interface. Via these interfaces the OC32 can be configured and...

  • Page 9: Eti

    1.8 Physical properties Sometimes a galvanic separation is needed between The OC32/NG is supplied as an assembled printed circuit board with or without enclosere. output and switched load. Also when you want to switch something that requires AC (e.g. synchronous motors) The physical dimensions are: this is a valid solution.

  • Page 10: Practical Notes

    Fig 4: Closing the enclosure 2.2 Using the connectors The connectors supplied with your OC32/NG are spring-loaded types. This means you can use solid wire, stranded wire and pre-tinned wire and in all these cases will have a solid contact, provided the wire is correctly inserted. No tooling is required except a wire- Fig 34: Solenoid driven Turnout with end-switches stripping tool.
  • Page 11 If you find it difficult to push in the orange clips without the connector flipping over, you may Be aware that the signal has to be connected the want to do that while the connector is inserted in the OC32/NG module. Be sure that the other way around because of the inverting operation module is powered off when you do and don’t push too hard, otherwise you may bend the...

  • Page 12: Overview

    Q(x+1) Q(x+1) Q(x) Q(x) On the OC32/NG the following interfaces and functions can be found: Connect the common lead to the GND/0V. Connect the anode of the individual LEDs to the outputs of the Interfaces: OC32. A resistor is not required because it is in the I/O Pins: Two 20-pole connectors (K5A, K5B) accommodate four 10-pin plugs for 32 I/O OC32.

  • Page 13: Led Indicators

    Manual OC32/NG VPEB Control your Miniature World Control your Miniature World VPEB Manual OC32/NG • Reset jumper. Only used to start the bootloader; • RS485 Termination jumpers; 6.3 Connecting the I/O Pins Power jumpers; • • DCC Low-pass jumper (only with DCC option) The loads to be driven by the OC32 are being connected to the connectors K5A and K5B.

  • Page 14: Power Supplies

    Source 24..31 Source 24..31 6.2.1 Multiple power-supplies using Sink-drivers In addition to the fact that you have two power groups on the OC32/NG, when using Sink Sink 16..23 Sink 16..23 Drivers the number of different power supplies is virtually unlimited. The load is connected between the plus pole of the power supply and the output of the OC32 (Sink Driver).

  • Page 15: Gnd Or Reference Voltage

    While reducing the voltage from 9V to 5V less energy will be dissipated than when the OC32 needs to reduce 18V to 5V On the OC32/NG you’ll find two “Power jumpers” JP1 and JP2. These jumpers forward the Fig 23: ADM’s, top-row=bottom-side, bottom-row=top-side PWR power you supply to K1 to the Pin connectors.

  • Page 16: Providing Power To The Oc32/Ng Via K5A Or K5B

    You then can make your own 5V supply, or derive it from the OC32. is a matrix driver, this will hardly be a problem in practice. On the OC32/NG, the 5V is no longer available by default on K1, as was the case with the 6.1.8 OC32-ADM/FH (4,8A Full H-bridge) previous models.

  • Page 17: Use Of Model Railroad- And Other Transformers

    Manual OC32/NG VPEB Control your Miniature World Control your Miniature World VPEB Manual OC32/NG Each output can provide 500mA but If you need the 5V interface, it can be made available Take Care: the maximum total current for the 8 outputs of each group is 1 A.
  • Page 18 6.1.1 Sink Drivers 500mA (TBD62083) This is the default driver delivered with the OC32/NG module. A load is connected between Vp and the 500mA output. The current flows from the positive voltage (Vp) through your load to the output and on the OC32 via the Sink Driver to GND/0V.

  • Page 19: Communicating With The Oc32

    DCC Low- Pass Filter On the OC32/NG you will find 4 pairs of IC sockets and 4 pairs of ADM sockets. This may depend on the exact version of your OC32. Not all sockets are available on all models. DCC Interface Consult your vendor if in doubt.

  • Page 20: Addressing Of Multiple Oc32 Modules (Serial Communication)

    Manual OC32/NG VPEB Control your Miniature World Control your Miniature World VPEB Manual OC32/NG • Firmware-update: With this you can provide the OC32 with new firmware. It can only be pin-hole pairs and don’t cut deeper than some 0.2mm below the surface of the PCB or you done via the RS485 interface.

  • Page 21: Adressing (Extended)

    1 pair (it doesn’t matter which one). A wire from any other pair can be used as Standard the OC32/NG has 3 connectors for RS485 channel 1: K2, K2A and K3B. Since we third wire, if necessary.

  • Page 22: Rs485 Termination

    The whole will look like the one below (figure 12): 5.6 Additional Options The OC32/NG has some additional options that are not available on a standard unit. If you want to use these options, you have to make a small modification to the OC32/NG. The RS485 terminators reason for this is that these options are very rarely used and we don’t want to bother the...

  • Page 23: Connecting Multiple Oc32/Ng's To A Pc - Option 1

    Buy a 9 pin subD female connector, possibly with a cover, and a piece of signal cable with at Now plug an RJ45 cable in one of the RJ45 sockets of that first OC32/NG and plug the least 2 wires. You can very conveniently use a piece of cable with shielding and conducting other end in an RJ45 socket of the second OC32/NG.

  • Page 24: Connecting Multiple Oc32/Ng's To A Pc - Option 2

    2 of the connector. We assume that all If the OC32/NG is the first or last module in a Dinamo RS485 network, be sure that you OC32 are on the same GND and that therefore the connection of pin 3 is only required activate both terminators (data and clock).

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