IOPoint-PL User`s Manual 2006-03-31A
Contents
1. 100kHz L106 ImH 15 Imax gt 390mA Delevan Rpc lt 2 30hms 2474 37L L102 Bead lt 0 50hms 100kHz gt 20ohms Steward 10MHz Imax gt 2amps HI1206P121R 00 DC Receptacle 2 1mm Power Jack CUI Inc PJ 202A At the time of this writing all of these components are readily available through online parts distributors such as Digikey www digikey com and Mouser www mouser com Design of the VDD5 5 volt supply depends on how much current your circuitry will require For circuits requiring less than 80ma one 78LO3A and a capacitor are all that are required to regulate the VA supply to make VDD Bibaja Landscape Automation LLC 8 2006 For circuits requiring between 80ma and 250ma a 78MOS5 and a capacitor are required The remaining 150ma 1s reserved for transmit power For large volume orders of the supply contact Tamura Tamura Corporation Industrial Device B U Telephone 81 492 84 5721 Japan 1 800 472 6624 USA Fax 81 492 84 9106 www tamuracorp com Two of the device types available from Tamura are 120VAC 60Hz 12VDC 425A12400P 230VAC 50Hz 12V DC 425F12400P Tamura Supplies are also available on Bibaja s online cart at http www bibaja com cart Bibaja Landscape Automation LLC 9 2006 Non Isolated 24 volt AC Supply and Coupling Circuit This simple non isolated 24 volt AC supply and coupling circuit 1s low cost and operates on voltages ranging fro2. PL3120 E4T10 Smart Transceiver User s Guide Bibaja Landscape Automation LLC 1 2006 IOPOINT PL HARDWARE Operating Specifications Parameter Description Min Typ Max Units VA Analog Supply 10 8 12 18 VDD5 Digital Supply Voltage 4 75 5 0 5 29 IDD5 Digital Supply Current 10 depends on your I O ma IA 1x Analog Supply Current Receive 350 500 ua TA tx Analog Supply Current Receive 120 250 Temp Operating Temperature 20 25 85 PCB Layout The following diagram shows the PCB layout required for mounting the IOPoint PL module in your design 1 60 os 1700 18 33 0 95 bas P1 Layout for IOPoint 00 Module Mounting oo 06 oo o 040 1102 pol o 9 15 O a 0 10 0 p 0 0 15 2 15 2 25 Reference Pad O D Plated Hole Diameter 3 Mounting Holes 0 285 0 152 P1 P2 0 060 0 040 Dimensions are in inches Bibaja Landscape Automation LLC 2 2006 For prototyping convenience the pins of the IOPoint PL are laid out on a 0 1inch grid Standard perforated prototype PCBs may be used to mock up early designs before building custom PCBs IOPoint PL Module Assignments IOPoint PL Module pin assignments for headers P1 and P2 Name P1 Pin P1Pin Name Name
3. s Guide Bibaja Landscape Automation LLC 5 2006 RXIN Coupling Circuit Interface RXIN is the TX RX signal path between the power line transceiver and the coupling circuit Part of the coupling circuit is integrated on the IOPoint PL module for your convenience You must provide the remainder of the circuit on your application electronics PCB See the chapter on power supplies and coupling circuits for more details PKD RX PKD packet detect indicates when a packet receive RX is in progress This pin is active high driven to 5 volts and may be used to drive an LED for monitoring activity on the power line network No pulse stretching is required since the majority of packets on the power line network are in the 40ms range and are easily seen on the LED BIU BIU band in use indicates a tone is present on the power line network BIU is active high driven to 5 volts when a tone is present on the power line network above a certain threshold This signal may be used to drive an LED for monitoring signals present on the power line network In Europe BIU is used to share the power line between different power line carrier devices For the European sharing feature to work the CENELEC access protocol must be enabled by configuring the transceiver parameters to be PL 20C By default the IOPoint PL module ships with PL 20N parameters N stands for no protocol C stands for CENELEC protocol The transceiver parameters may be changed u
4. Clamp Diodes D3 and D4 Protection clamp diodes D3 and D4 are included to protect the transmit and receive circuits from large impulses that may get through the power supply and coupling circuitry The power supply should provide adequate protection in the form of a varistor transient voltage suppressor or gas discharge tube These clamp diodes act as the last line of defense and are design to react very quickly to short transients on the line that may get past slower protection circuits These diodes correspond to D1 and D2 in Echelon s data book Bibaja Landscape Automation LLC 7 2006 Tamura Wall Plug Supply and Coupling Circuit One of the simplest and most convenient coupling circuits uses the Tamura wall plug supply with integrated coupling transformer Various voltages and plug styles are available from Tamura L106 VA 103 a CDS 17 DC Receptacle amp Plug GND Center Positive IO Point PL le L102 RXIN Tamura Wall Plug Supply Coupling Four components plus a DC power receptacle are all that are required to complete the connection from the IOPoint PL to the power line network The following table gives the required values for these components Part Value Requirement Example Manufacturer Part D103 16V Zener 5 SW Zener Diode ON Semiconductor 1N5353B C103 gt 1500uF 20 gt 25VDC aluminum Panasonic ECG electrolytic lt 0 3 ohm ESR EEU FC1E152
5. P2 Pin 108 17 18 SERVICE _ RXIN 6 107 15 16 1010 VA 5 106 13 14 109 PKD 4 1O5 11 12 VDD5 BIU 3 RESET 9 10 104 TXON 2 GND 7 8 103 GND 1 GND 5 6 102 GND 3 4 101 1011 1 2 100 The pin functions are described in detail in the following paragraphs 100 1011 100 through IO11 are the 12 configurable digital I O pins These pins map directly to the pin on the PL3120 E4T10 Smart Transceiver chip on the IOPoint PL module Pins 100 103 have high current sink capability 20ma sink 1 4ma source Pins 104 107 and 1011 have configurable pull ups Pins IOO IO1 may be used as timer counter output pins Pins 104 107 may be used as timer counter input pins Pins 108 and IO10 may be used with the embedded hardware UART serial communications interface or SCD Pins 107 1010 may be used with the embedded hardware SPI serial peripheral interface basically a synchronous shift register with clock data in and data out Detailed descriptions for each pin s capability may be found in the Powerline Smart Transceiver Databook available on Echelon s website www echelon com Bibaja Landscape Automation LLC 3 2006 RESET gt RESET is a bidirectional open collector pin At power up the PL3120 E4T10 microcontroller on the IOPoint PL module will drive RESET low External circuitry may use this active low signal to initialize any state dependant logic An internal pull up will bring the RESET signal high If requir
6. ed an external pushbutton may be attached to the RESET_ signal to restart the IOPoint PL module application and any external circuitry Appropriate ESD protection should be provided to prevent glitches and impulses on the RESET_ line Any negative glitches will cause the IOPoint PL module to reset and restart the application This behavior may be undesirable in a light controller for example where the lights would turn off from an electrostatic discharge near the reset button NOTE Never drive the RESET_ signal high Doing this may prevent the microcontroller on the IOPoint PL module from resetting itself This may lead to corrupted EEPROM memory in the IOPoint PL caused by errant code execution SERVICE_ SERVICE_ is an active low bidirectional signal that indicates device status as an output and can trigger the IOPoint PL module to send a 6 byte unique ID called a Neuron ID on the power line network as an input This signal constantly toggles between an input and an output at a 76Hz rate The following diagram shows a schematic of the typical connection to the SERVICE_ signal VDD5 SERVICE _ Service Button The light emitting diode LED is a status indicator when the SERVICE signal is an output The way the LED blinks will tell you the state of the IOPoint PL module e Blinks once at power up then stays off means an application is loaded configured and running e Blinks once at power up then blinks on and off at about a 1Hz
7. iBaJa IOPoint PL User s Manual 2006 03 31A 2006 Bibaja Landscape Automation LLC INTRODUCTION 12 CONFIGURABLE I O PINS 3 NETWORK ACTIVITY INDICATOR OUTPUTS DOCUMENT ORGANIZATION IOPOINT PL HARDWARE OPERATING SPECIFICATIONS PCB LAYOUT IOPOINT PL MODULE PINOUT 100 1011 RESET SERVICE _ VDD5 GND VA RXIN COUPLING CIRCUIT INTERFACE PKD RX BIU TXON TX POWER SUPPLIES AND COUPLING CIRCUITS IOPOINT PL COUPLING COMPONENTS RX COMPENSATION INDUCTOR L3 DC BLOCKING CAPACITOR C7 PROTECTION CLAMP DIODES D3 AND D4 TAMURA WALL PLUG SUPPLY AND COUPLING CIRCUIT NON ISOLATED 24 VOLT AC SUPPLY AND COUPLING CIRCUIT Bibaja Landscape Automation LLC 1 OD DG DG UU RP RUDU NY a SO AJA 2006 INTRODUCTION The IOPoint PL is a programmable module with 12 I O pins 3 network activity indicator pins and embedded power line communications With the addition of a simple coupling circuit power supply and your I O circuitry you will have a complete remotely controllable device ideal for home industrial or building automation 12 Configurable I O Pins Each IOPoint PL module includes 12 configurable I O pins All of these pins are capable of performing simple digital input and output functions Other pins have timer counter functions useful for implementing a variety of input and output I O models For a complete list of available pin functions see the PL3120 E4T10 Smart Transceiver User s Guide ava
8. ilable from Echelon s website at www echelon com 3 Network Activity Indicator Outputs Transmit TX Receive RX and Band In Use BIU network activity indicator outputs are included on the IOPoint PL module These outputs provide feedback for network activity when a particular IOPoint PL responds to a message and if there is noise on the network that may impair performance See the detailed pin descriptions in the IOPoint PL Hardware section of this document Document Organization This document is organized into three major sections 1 Introduction This section you are reading now is meant to give an overview of the IOPoint PL module features as well as explaining the different sections of the User s Manual 2 IOPoint PL Hardware Specifies the voltage and current ratings for the device The PCB footprint is given here the same as in the datasheet Detailed pin descriptions and functions are listed For complete pin descriptions of the 12 configurable I O pins you will need to refer to the PL3120 E4T10 Smart Transceiver User s Guide on Echelon s website at www echelon com 3 Power Supplies and Coupling Circuits This section presents a quick overview of how to build various power supplies and coupling circuits for the IOPoint PL module to get your signals on and off the AC power mains Users who are curious about learning how to design a variant of these power supplies and coupling circuits should carefully read the
9. m 18 to 28 volts AC If required Bibaja s PLC240 device may be used to couple signals from the 24 volt AC supply to the 120 or 240 volt AC mains circuits L106 VA U101 a 5 PN LINE R101 O C103 C104 7 0102 GND dh HE le l NEUTRAL 10 Point PL L101 dE RXIN C101 Part Value Reguirement Example Manufacturer Part C103 gt 1500uF 20 gt 25VDC aluminum Panasonic ECG electrolytic lt 0 3 ohm ESR EEU FC1E152 100kHz R101 2400hms 1 1 10watt Yageo America 9C08052A2400FKHFT R102 2 61Kohms 1 1 10watt Yageo America 9C08052A2611FKHFT U101 LM317A Linear regulator 1 5A Texas Instruments TO220 or 3PFM package LM317KTER 3PFM or important for heat LM317KCS TO220 dissipation C104 gt 120uF 20 gt S50VDC aluminum Panasonic ECG electrolytic EEU FC1H121L D101 1N4935 1A fast recovery Diodes Inc rectifier diode 1N4935 T C102 0 luF gt 50V X7R 20 Kemet CO805C104M RACTU L106 ImH 15 Imax gt 390mA Delevan Rpc lt 2 30hms 2474 37L L101 1mH 10 Imax gt 30mA Taiyo Yuden Rpc lt 14ohms LALO4TB102K C101 0 47uF 5 gt 50VDC stacked metal Panasonic ECG film ECQ V1H474JL Bibaja Landscape Automation LLC 10 2006
10. nications device This chapter presents a brief overview of what coupling components are already included on the IOPoint PL module Two example power supply coupling circuit combinations are presented to show how you may use the IOPoint PL in your system IOPoint PL Coupling Components There are 4 coupling components included on each IOPoint PL module These coupling components correspond to L3 D1 D2 and C2 in Echelon s PL 3120 PL 3150 Power Line Smart Transceiver Data Book RX Compensation Inductor L3 For the receive circuitry the RX compensation inductor L3 in Echelon s data book is provided Make certain no other inductors are placed near this inductor If two inductors are laid in parallel the signal from one may couple into the other If your design requires another inductor to be placed close to IOPoint PL inductor L3 then make certain your inductor is oriented orthogonally to L3 to minimize coupling Coupling from power supply inductors may impair receive performance and may inject noise back on to the power line causing conducted emissions violating FCC and CENELEC regulations DC Blocking Capacitor C7 A DC blocking capacitor is provided on each IOPoint PL module This capacitor corresponds to C2 in Echelon s data book The transmitter circuit is biased at about Y2 of the VA supply This capacitor prevents shorting the transmitter bias voltage to the potential of the remainder of the coupling circuit Protection
11. rate means an application is loaded but the device is unconfigured no subnet node address or Bibaja Landscape Automation LLC 4 2006 domain information has been programmed for the power line interface The application may or may not run depending on compile time options a pragma which will make the application run when unconfigured e Blinks once at power up then turns on and stays on means the IOPoint PL is applicationless The device is waiting for an application to be loaded from the power line network When the service pin is an input it will detect the state of the service button When the service button is pressed a low level will be read on the SERVICE_ input This low level input will cause the IOPoint PL module to transmit a unique 6 byte ID on the power line network This 6 byte ID is how the network interface is able to communicate with and configure new devices The typical installation scenario for a power line network 1s 1 Wire up new device and apply power 2 Prepare computer to install new device by entering install mode 3 Press the service button on the new device 4 Confirm the computer has received the unique ID message and complete the installation The computer will be running some sort of network management application to configure new devices on the network Echelon offers LonMaker for Windows and the LNS Network Operating System for configuring and installing new devices VDD5 VDD is the digital 5
12. sing the NodeLoad application available from the downloads section of Echelon s website In addition to the power line sharing function BIU is also a useful indicator of in band noise on the power line The LED will blink when in band noise is present High levels of noise may prevent proper communications on the power line network Filtering on noisy devices may sometimes be required for reliable communications TXON TX TXON transmitter on indicates a packet transmit TX is in progress This active high 5 volt signal may be used to drive an LED for monitoring network activity Each time the SERVICE_ signal is driven low there will be one pulse on the TXON signal to indicate the unique ID message was transmitted When combined with the PKD RX indicator the TXON TX indicator will help you to clearly see communications occurring with a particular IOPoint PL module Bibaja Landscape Automation LLC 6 2006 POWER SUPPLIES AND COUPLING CIRCUITS Proper design of power supplies and coupling circuits for use with the IOPoint PL module are critical for achieving full communications performance We recommend thoroughly reading the PL 3120 PL 3150 Power Line Smart Transceiver Data Book from Echelon www echelon com for full details Chapter 5 discusses power supply selection in great detail and chapter 4 talks about different coupling circuits These sections are a MUST READ if you are to succeed in designing a reliable power line commu
13. volt power input An external regulator is required to produce a clean noise free 5 volt power supply for the IOPoint PL module If you intend to use the IOPoint PL in a system with other digital logic that may produce a lot of noise you may wish to consider providing an isolated 5 volt supply for the IOPoint PL module Too much digital switching noise will reduce your receive performance by about 12dB This could easily be the difference between a working or non working system Be sure to always check your receive attenuation tolerance carefully as per the Smart Transceiver User s Guide verification checklist GND GND is the IOPoint PL module ground A total of 4 ground pins are provided on the IOPoint PL In addition the 3 mounting points for the module are also tied to ground We recommend using Y metal standoffs and la 6 32 screws to mount the module to your PCB This will provide good solid grounding for the IOPoint PL module VA VA is the analog supply voltage This voltage is used to supply the transmit amplifier and the transmit voltage monitoring circuit If power management is enabled for energy storage power supplies the IOPoint PL module will stop any transmission in progress and wait for the VA supply to recharge up to around 12 volts An external capacitor of at least 120uF 1500uF for a wall plug supply is required See the chapter on power supplies and coupling circuits for more details and the Smart Transceiver User
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