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EVALCOMMBOARD - STMicroelectronics

1. Ger UMO240 y User manual ST Industrial Communication Board EVALCOMMBOARD Introduction ST Industrial Communication Board order code EVALCOMMBOARD is a platform for Communication Command and Control exchange with Industrial reference design boards Its goal is to provide ST Industrial customers a reliable and easily accessible communication channel between a controlling PC and Industrial reference design boards It is a unique platform that allows evaluating a wide range of Industrial products in their application environment Application fields covered by this platform are e Power line communication e Motor control and gate driving e Intelligent power switches Industrial Communication Board June 2006 Rev 1 1 39 www st com Contents UMO240 Contents 1 System TEE 6 2 Power SUDDIV gg tat tee br rer E A ERC CR Bc AC en 7 2 1 Main power supply VDD oooccocccoccc BB 10 2 2 MCU Flash programming VPP 00 e eee eee 10 2 3 OpAmp negative supply 5V 0 cee 11 3 Microcontroller a 2 ag SS dE EE REN AA 12 3 1 Microcontroller features 12 3 2 HS 232 Interface A cia narra Seeds a Rs ed 12 3 3 Internal time base generation 0 0 0 0 ee 12 4 10 bit digital to analog converter DAC 13 5 Operational amplifiers OpAmp Lleees 14 6 Interfaces and connectors esee 15 6 1 ISE a red pup eee hehe md adis Bax e
2. are developed as useful tools for evaluating Power Line Communication as a solution in Automatic Meter Reading and Home Automation 24 39 DI UMO240 Applications 9 2 applications Both PLC Reference Design boards include a Power Supply section specifically tailored for matching Power Line coupling requirements and a Transceiver section designed around the ST PLC chipset including a 16 MHz crystal oscillator and an external passive coupling filter for impedance adapting and noise filtering The Industrial Communication Board plus a PLC Reference Design board form a complete PLC node With the two boards together and using the ST7538 40 Demo SW Tool it is possible to evaluate ST PLC chipset features and their transmitting and receiving performances through an actual communication interface on the Power Line Motor control ST Motor Control devices deal with many different applications each of them having a specific evaluation board controlled by means of the ST Industrial Communication Board Figure 13 Motor control evaluation board EVAL6207N Sa Pi m L n e rari 3H TE Table 7 summarizes the ST Motor Control Evaluation Board family Table 7 ST motor control evaluation boards Device Evaluation Board L6205 PowerDIP EVAL6205N L6206 PowerDIP EVAL6206N L6206 PowerSO EVAL6206PD L6207N PowerDIP EVAL6207N L6208 PowerDIP EVAL6208N L6208 PowerSO EVAL6208
3. 2 6 3 RS 232 Interface The RS 232 interface can be used as a communication channel to a PC running control software lt consists of female connector J10 where only three pins are connected with the DCE connections e 5 gt Ground e 3 DCE TX e 2 DCE RX So the connection to a PC RS 232 port DTE must be done by a direct cable connecting e DTE pin3 to DCE pin 3 e DTE pin 2 to DCE pin 2 RS 232 signals are obtained and adapted to 5V circuitry by means of the ST232 multi channel RS 232 driver and receiver connected to two general purpose IOs PD7 and PFO The microcontroller emulates the RS 232 interface by software The ST232 can be powered down to reduce power consumption when RS232 interface is not used by opening jumper J11 In this case two microcontroller pins 44 and 52 can be used as General Purpose lOs PD7 and PFO Motor control Communication with Motor Control boards is possible through connector J7 This is a 34 pin connector providing the following signals in the EVAL6207N case Table 2 Motor control interface pins Pin number Signal name Description Generated by 1 VCC_REF 5V Supply Voltage EVAL6207N 3 SENSE_A Channel A Sense Voltage EVAL6207N 7 SENSE_B Channel B Sense Voltage EVAL6207N 11 5V 5V Supply Voltage MCU 23 Ground Ground 27 LIMIT_A Channel A Over Current Flag EVAL6207N 29 LIMIT_B Channel B Over Current Flag EVAL6207N 31 VREFA Ch A PWM C
4. 49 TxD Serial Data Input MCU 50 PG Power good signal Modem Table 4 PLC interface analog signals Pin number Signal name Description Generated by 3 MCLK Oscillator output programmable Modem 5 VDDF_Force Force MCU digital level to VDDF Modem 8 RESET Reset Out for microcontroller Modem 16 SMeter Analog Signal Peak Meter output Modem a UMO240 Interfaces and connectors Table 5 PLC interface control signals Pin number Signal name Description Generated by 20 B_ID_PLM_1 Board ID for PLM Applications MSB Modem 28 B ID PLM O Board ID for PLM Applications LSB Modem The two PLC interface control signals are connected in the PLM board either to the GND or to Vpp and are used to detect which modem is mounted on the board There are four possible configurations but only two are at present in use e 00 GND GND for the ST7538 e 10 GND Vpp for the ST7540 Table 6 Power connections Pin number Signal name Description Generated by 2 PLM 10V 10V power supply Modem 4 VDD 3 3V 5V power supply Modem 6 VDDF Digital power supply Modem 22 34 GND Ground Ground 6 5 In circuit communication The In Circuit Communication connector provides access to several debug features and to the In Circuit Programming function that enables complete writing to the MCU Flash memory 6 6 Power supply As described in Section 2 Power supply the ST Industrial Communication Board can take is power
5. completed before the move begins The heart of the stepper motor control mechanism is the 20 kHz interrupt This interrupt invokes an Interrupt Service Routine ISR which executes repeatedly on a fixed time interval of 50 microseconds called TICK The ISR calculates real time values for velocity and position given the commanded acceleration or deceleration and the present values for velocity and position A complete description of algorithms and formulas used by the FW is present in AN2044 Operating principles for Practispin Stepper Motor Motion Control 27 39 Software UMO240 11 11 1 1 28 39 Software Users can interact with application boards by means of specific control SW developed to give user friendly Graphical User Interfaces GUIs GUISs are specific for the different supported applications PLC ST7538 40 DEMOKIT software evaluation tool The ST7538 40 DEMOKIT Software Evaluation Tool allows interfacing one or more ST Power Line Modem Demo Boards with a Personal Computer Supported Demo Boards are those equipped with devices ST7538 and ST7540 The Software automatically recognizes which type of device is connected to the PC and looks slightly different depending on the connected device Figure 15 A simple schematic of the PLC application environment ST7538 or ST7540 A DEMO BOARD CTRL REGISTER PROGRAMMING RX SESSION TX SESSION PERSONA
6. data from the AC line either in free running mode or after synchronization with a programmable known sequence frame header e Perform a communication channel reliability test with a Client Server application that can calculate the reachability of each node by sending messages and retrieving answers This function implements a Forward Error Correction algorithm to detect if the network under test requires a FEC algorithm or not Motor control Dedicated FW is available to control different Motor Control boards In operating a stepper motor system one of the most common requirements is to execute a relative move The move is usually specified as a fixed number of basic motor steps in the clockwise or counter clockwise direction It is common practice to execute this move along a trapezoidal shaped velocity vs time profile FW calculate moving profiles to be used as command signals to move the controlled motor in a defined position Given the move distance acceleration deceleration and peak speed requirement a profile can be determined The control structure is designed such that the velocity and acceleration deceleration rate can be changed at will the task of pre calculating the velocity profile boils down to determining the position values where operation switches from acceleration to constant speed and then from constant speed to deceleration Execution time for these calculations is not critical since they are done only once per move and are
7. supply from different sources If an external dedicated power supply is selected it must be in the 5V 35V range Taking into account that the board has a power consumption in steady state of approximately 50mW a value of 500mW is suggested The external power supply connector is a standard 2 5 mm phone jack that is compatible with common PC notebook power supply connectors 6 7 Jumpers Five jumpers are present on the board to give flexibility on the use of reset management DAC reference voltage In Circuit Communication and RS232 interface power supply 19 39 Interfaces and connectors UMO240 20 39 Figure 7 Industrial Communication Board jumpers and switches on PCB e a i 72 HM UU Ns mut Sen LIN a q si bi m mecs4 m R K BORIS Pai o WEST NIN Ba mum Jo a NT 9 Ki PUL bie E E ud BE zii SEIL qe IBU COMMUNICATION BOARD RIA Jumper JP2 connects the ST72F651 reset pin to a reset signal coming from the PLM board This is used to reset the MCU after a Power Line Modem reset event Setting e Open MCU reset not connected to PLM reset e Closed MCU reset connected to PLM reset Jumper JP3 selects the DAC voltage reference for the C D output pair Section 4 10 bit digital to analog converter DAC describes JP3 use Setting e 1 2 Reference from VDD e 2 3 Reference from AB output Jumpers JP4 and JP5 disconnect LED DL3 and DL4 loads from the MCU for use with
8. to one or more Slaves If the messages are correctly received from Slaves they are re sent to the Master Motor control Motor Control FW loaded on Industrial Communication Board can be accessed by the user through a dedicated GUI SW is able to recognize the attached evaluation board and automatically set up the specific controls Using the control panel the operating conditions for the application can be selected For example for Stepper Motors there is stepping mode selection From the control panel full step normal half step or micro stepping mode micro stepping is only supported for the L6208 can be selected Other controls on the top line let the user select the direction of rotation and the decay mode during recirculation Figure 17 Stepper motor GUI STEPPING MODE DEVICE SELECTION DECAY MODE pu SA Y Momal Ha Sag psp Y Y y P Fas ACCEL RATE RUNNING SPEED DECEL RATE toer H len 721 SPEED and CURRENT DECELERATION PROFILE i Runreng Decel Headed CURRENT DI CURRENT 2 4 e 20 Zi 100 Hi 2 n 12 E V i 100 075 059 025 END I aaa AA Disable Smich to INODONG HOC c l uea Spood enn Speed TX Command vel Devce LEGO ST7 Not Connected asal 2a X R Y L aner amal BOP SIMOL HOF sii The actual movement parameters are selected in the second and third row of controls The controls on the second row allow the user to set the top speed and the acceleration and deceleration
9. 07Fh Decision Regions WW SW1 SW2 SW3 SW4 none 000h UMO240 LEDs 8 LEDs Five LEDs are present on the board for visual communication with the user DL1 DL2 DL3 DL4 are general purpose LEDs that are User Application configurable LED D11 is power supply 5V on indicator Figure 10 Industrial Communication Board leds on PCB Pol J10 op 4 eur gt 2 8 s E P fi i m ghet 1 1 0 E 2 a Ce AAA ASS RB im me cis 8 5 en mm H deg LA 21153 T E GC Talus a e a Hee VV A TTT IRU COMMUNICATION BOARD R11 L R29 022 c20 R cia R22 E 23 39 Applications UM0240 9 Applications The ST Industrial Communication Board is designed to be a general purpose control board for all Industrial applications Currently two application fields are supported Power Line Communication and Motor Control Soon Intelligent Power Switch and Gate Driver applications will be covered too Contact your local ST sales office for availability dates 9 1 Power line communication The PLC connector allows the use of the Communication Board with two different PLC Evaluation Boards e ST7538 Dual Channel Reference Design Rev 3 1 e ST7540 Reference Design Rev 2 0 Figure 11 ST7538 dual channel reference design board Rev 3 1 The two Reference Design boards based respectively on ST7538 and ST7540 FSK transceivers for Power Lines
10. EG 9 PFO VDDF FORCE S Vsupply J9 Ls oo LL PHONEJACK 5v MOTOR PC5 PC6 PC VDD PAO PAI PA2 PA3 PA4 PAS PA6 PE3 PE4 D PD6 D PES IRES VDDE VDD J7 MOTOR CONN PEO PB1 PAZ B PBO j 0 PET PD6 4 PB2 G PD3 B PE2 PBS 4 PCO 6 PB6 B PB7 PB3 PDS O PLM_10v J10 RS 232 CONNECTOR FEMALE R1 IN A T1 OUT A 15 39 Interfaces and connectors UMO240 6 1 16 39 Figure 5 Industrial Communication Board connectors pcb ae 4 sus AMIA leul T ey o COMMUNICATION BOARD R11 USB The main communication channel with the controlling PC is through the ST72F651 Full Speed USB interface based on a Vendor Specific Class embedded in the Industrial Communication Board firmware and a dedicated driver part of the controlling software Once the USB cable is plugged to connector CON1 the Industrial Communication Board takes its power supply from the 5V USB interface of the PC A second function of the USB interface is to provide the DFU Device Firmware Upgrade functionality used to upgrade firmware The connecting cable should have a USB B plug toward Industrial Communication Board and a USB A plug toward the PC as shown in Figure 6 Figure 6 USB cable plugs gs of E USB A Male Plug USB A Male USB B Male Plu Side V USB B Male H Side View Side View 2 UMO240 Interfaces and connectors 6
11. F 50V 0603 1 DL4 Red Led Diode 0603 2 DL2 D11 Green Led Diode 0603 1 DL1 Orange Led Diode 0603 1 DL3 Yellow Led Diode 0603 6 D6 D8 D10 D12 D13 Diode STPS340U SMB 1 D9 Diode STPS340U Not Equipped Shorted SMB 2 D14 D15 Diode BAT47 DO35 1 D16 Diode BZX284C7V5 SOT23 1 JP2 Open 1 JP3 Closed 2 3 1 JP4 JP5 Closed 1 J6 50 pins Male Connector ERNI SMC B SMT 1 J7 Male Connector Flat 17x2 1 J8 Male Connector Flat 5x2 1 J9 Power Supply 2 5mm Jack Connector 1 J10 RS232 Female Connector with Grounded Shield 1 J11 Jumper 2X1 1 L1 Inductor 15uH D03316P COILCRAFT 1 M1 Mosfet STSJ25NF3LL Not Equipped SO8 4 R1 R2 R6 R24 Resistance 560R 196 0603 1 R3 Resistance 680R 1 0603 4 R4 R5 R7 R11 Resistance 100K 196 0603 2 R8 R25 Resistance 4K7 1 0603 1 R9 Resistance OR 1 0603 1 R28 Resistance OR 1 Not Equipped 0603 2 R10 R16 Resistance 33K 1 0603 36 39 a UMO240 Appendix Table 8 Bil of materials continued Qty Reference Description Pkg 1 R12 Resistance 300K 1 0603 1 R13 Resistance 1K5 1 0603 9 R14 R15 R17 R22 R27 Resistance 10K 1 0603 1 R23 Resistance 8K25 1 0603 1 R26 Resistance 2K7 0603 1 SW1 SW5 Button PTH 2 U1 U7 STS5DPF20L SO8 1 U2 ST72F651 TQFP 1 U3 LM358 SO8 1 U4 AD5317 TSSOP 1 U5 L5973D HSOP8 1 U6 ST662A SO8 1 U8 ST232B 1 Y1 12MHz Oscillator HC49SR ky 37 39 Revision history UMO240 13 38 39 Revision
12. In Circuit Communication UMO240 Interfaces and connectors Setting e Open for ICC use e Closed for LEDs use Jumper J11 disconnects the RS 232 level shifter from the power supply This reduces power consumption if the RS 232 interface is not used and frees MCU pins for another use Level shifter pins output are in Tri state mode when device is off Setting e Open RS 232 off e Closed RS 232 on ky 21 39 Switches UMO240 7 22 39 Switches The board is equipped with five switches a microcontroller reset switch RES and four general purpose switches SW1 SW2 SW3 and SW4 The RES switch is directly connected with the microcontroller RESET pin used to perform a hardware reset of the MCU In order to guarantee the correct timing for the RESET negative pulse an RC network is connected to the switch General purpose switches are connected to the AD converter embedded on the microcontroller Channel O is used through a resistor divider network Figure 8 General purpose switches t lB peo 3 ot DIS HH D Wa ou D AL d d Each time a key is pressed the corresponding resistor divider is activated Then the voltage read by the ADC tells the microcontroller which button has been pressed Figure 9 General purpose switches voltages and decisions level V 3FFh 37Fh AV pp 27Fh AV 17Fh SW1 SW2 SW3 SW4 none Voltage Levels x Vp
13. L COMPUTER PING SESSION ST7538 40 DEMOKIT Software Evaluation Tool With the ST7538 40 Software Evaluation tool it is possible to e write read ST7538 or ST7540 Control Register open a Tx session e open a Rx session e open a Ping session two or more devices required The user interface The Main Window of the ST7538 40 DEMOKIT Software Evaluation Tool Program has the following appearance UMO240 Software Figure 16 The main window PROGRAM SECTIONS Eies Commands Help 1 1 MENU BAR ESOS 4 2 2 TOOLBAR 3 STATUS BAR 3 n Through the Main Window it is possible to access all software functions Four different panels are available e Control Register Panel Controls present on Control Register Panel allow to modify all the Control Register Parameters and to write read the ST7538 ST7540 Control Register e Transmission Panel Two method of transmission are available Sequence and Continuous With Sequence method a message can be transmitted across the Mains for n Times with a delay between transmissions of 300ms Selecting Continuous transmission mode a unique transmission session is performed and the message to transmit is sent repeatedly across the Mains until the transmission is interrupted by user or by a Time Out event On Industrial Communication Board the transmission session is notified by means of orange led DL A that is turned on when the line Rx Tx
14. MPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZE REPRESENTATIVE OF ST ST PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE Resale of ST products with provisions different from the statements and or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever any liability of ST ST and the ST logo are trademarks or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2006 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom
15. PD L6235 PowerDIP EVAL6235N L6225 PowerSO EVAL6225PD L6227 PowerSO EVAL6227PD L6229 PowerSO EVAL6229PD Board via connector J7 All Motor Control evaluation boards can be connected to the Industrial Communication 25 39 Firmware UMO240 10 10 1 26 39 Firmware The ST Industrial Communication Board FirmWare provides two main functions 1 Upgrading the on board firware stored in the Flash memory 2 Providing application specific code that enables communication with different application boards Device firmware upgrade The DFU Device Firmware Upgrade feature enables the user to upgrade the application specific firmware on the Industrial Communication Board through the PC USB port The DFU procedure is performed on the PC side by a DFU application The application lists all the connected DFU devices Once selected the DFU USB device to be upgraded and loaded through the command File Open using a DFU firmware image the device can be upgraded by pressing the Upgrade button Figure 14 DFU graphic user interface ST DFU DEMO File Help Firmware Image DFU Programming File Vendor ID Cancel Product ID Upload DFU device Version DFU USB devices a pens Vendor ID 0x0483 Product ID OxDF11 Version 030131 In normal operation mode the Industrial Communication Board is not DFU capable In order to enable the DFU capability of the device t
16. United States of America www st com STA 39 39
17. b eed s 16 6 2 RS 232 terface 6214 e RER ER E EROR 17 6 3 Motor control 17 6 4 Power line communication 18 6 5 In circuit communication a a aaa aae 19 6 6 Power SUDDD 22522652640 34 ech eh ce iris E 19 Od SUIDBIS qieres pees PE Rd epee he vr EDT ERE E E 19 7 cud Er rnm 22 8 LEDS EE 23 9 Applications EE 24 9 1 Power line communication 24 9 2 Motor control a K N Ka X ccc 25 10 anri SEET 26 2 39 DI UMO240 Contents 10 1 Device firmware upgrade ee 26 10 2 3 srel eel loss pee AA A E ew a id 27 10 2 1 Power Line Communication DLC 27 10 2 2 Motorcontrol oo oocoonooo eee 27 11 SOTUWAEB sisi a andar ee 28 11 1 PLC ST7538 40 DEMOKIT software evaluation tool 28 11 1 1 heuserinterface ui seria aa IEEE 28 11 2 Motor control ee s 30 12 AppendlX x x SS Ee EELER AE EELER ER ERE CERTA TS 32 12 1 RBelerence sco RE GR CORR reo eR UN RUN Rr RR RU Rs 32 122 SchematiCS ergin A A SEET SEELEN 33 P POR ses bet iene bate ae oe EM ee ts ca eee EM Se ee 35 124 Bill of materials ee ene 35 13 REVISION history oscar aa 38 ky 3 39 List of tables UMO240 List of tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 4 39 Voltages present on board 1 e e ne 7 Motor control interface pins 17 PLC interface digital signals auauai meh 18 PLC interface analog signals 18 PLC i
18. dependent high gain 100 dB high bandwidth 1 1 MHz and internally compensated operational amplifiers In the Industrial Communication Board the two amplifiers are designed in differential configuration with a bipolar power supply 5V 5V The output signals consists of the difference signals VREF_A and VREF_B obtained by e VREF_A VOUTC VOUTA e VREF_B VOUTD VOUTA The main purpose of the two OPAMPs is then to provide an analog voltage shifting of the two signals VOUTC and VOUTD with a voltage shift equal to VOUTA The bipolar power supply of the OPAMPs guarantees an output swing both positive and negative to the resulting signals VREF_A and VREF_B This feature is important for example in Motor Control Applications using Micro stepping techniques for the synthesis of discrete sinusoidal waveforms the OPAMPs analog shifting provides the centering of the sinusoidal signal generated by the DACs around the 0 voltage level UMO240 Interfaces and connectors 6 D Interfaces and connectors The ST Industrial Communication Board has 6 connectors to interface with power supply J9 Personal Computer CON1 and J10 In Circuit Communication J8 and ST Devices Evaluation Boards J6 and J7 Figure 4 Industrial Communication Board connectors schematic 1k5 USBVCC ICCDATA HE10 CONN PA3 49 PAS 4 PAG PAZ d PAI 9 PAO PAZ VOUTA VOUTD 9 DC WOUTC VOUTB PD4 PD5 9 PD PEZ PE1 PBO P
19. eg ERR ed A ma eee DR ee ae EE ER D ADR E E EN a 29 Stepper motor GU 30 DC motor driving OU 31 Power dissipation and thermal analysis eee 31 Industrial Communication Board 33 Power supply 2 e dee e eed RE e Se que e dog ask eda e a ayers etas 34 Industrial Communication Board and power supply l i 0c eee eee eee 35 5 39 System overview UMO240 6 39 System overview The ST Industrial Communication Board is a general purpose board developed around the following principles e Provide a reliable communication channel between a controlling PC and Industrial reference design boards e Provide flexibility one board to control all Industrial reference designs e Run dedicated firmware FW available for all reference designs e Interact with dedicated software SW implementing reference design Graphical User Interface GUI This enables ST Industrial customers to control and test all products using the same controlling platform The ST Industrial Communication Board is based on a ST72F651AR6 USB microcontroller providing as main interface to controlling Personal Computer a standard 12 Mbs USB available on all modern PCs This provides very easy interconnections to globally available laboratory equipment An RS232 interface is present too and can be used as spare communication port Specific interfaces to reference design boards are present to provide flexibility towards different applications A 10 b
20. eration is performed without loss of data Internal time base generation An internal 1ms time base is generated using one output compare resource and a free counter The free counter is then used to generate up to 10 programmable timeout counters with 1ms resolution UMO240 10 bit digital to analog converter DAC 4 10 bit digital to analog converter DAC The Industrial Communication Board embeds a 10 12 bit buffered voltage output DAC implemented by the AD5317 AD5327 converter from Analog Devices The IC provides four buffered rail to rail outputs in the range O Vcc with a slew rate of 0 7 V us The DAC is controlled by the Microcontroller PC2 PC3 PC4 through a 3 wires serial interface and is compatible with SPI QSPI MICROWIRE and DSP interface standards The AD5317 is connected to the microcontroller through its SPI interface MOSI to DIN and SCK to SCLK The references for the four DACs are derived from two reference pins VrefAB for VoutA and VoutB VrefCD for VoutC and VoutD These reference inputs can be configured as buffered or unbuffered inputs through interface command On the Industrial board the reference for the output pair AB is connected directly to Vcc supply while the VrefCD is available in a double option configuration thanks to the jumper JP3 1 Connected to the Vcc supply 2 Connected to the DAC output VoutB This option is designed in order to provide a fine voltage adjustment for
21. he following two procedures are available e Hardware DFU Mode setting Press and release the RES button on the Industrial Communication Board while holding the SW1 switch down e Software DFU Mode Setting Send a SetDFUMode command using the application specific software See the application specific software description to check the availability of this command UMO240 Firmware 10 2 10 2 1 10 2 2 Applications Beside the DFU application specific firmware has been developed to enable the Industrial Communication Board to control and communicate with different application boards Power Line Communication PLC Dedicated firmware is available to use in conjunction with Power Line Communication PLC Boards Power Line Communication Boards based on ST7538 and ST7540 power line transceivers allow communication over the main AC voltage plugs at a low baud rate These products are designed for Home Automation Building Automation Automatic Meter Reading and Street Lighting control applications as well as other applications that do not require a broad band communication link The PLC dedicated firmware performs basic functions such as e Program transceiver control parameters channel frequency baud rate and so on for more options see the transceiver datasheet or the dedicated firmware application note e Transmit a user defined data stream through the AC line either as single or multiple repetition e Receive
22. history Table 9 Revision history Date Revision Changes 28 Jun 2006 1 Initial release UMO240 Please Read Carefully Information in this document is provided solely in connection with ST products STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections modifications or improvements to this document and the products and services described herein at any time without notice All ST products are sold pursuant to ST s terms and conditions of sale Purchasers are solely responsible for the choice selection and use of the ST products and services described herein and ST assumes no liability whatsoever relating to the choice selection or use of the ST products and services described herein No license express or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein UNLESS OTHERWISE SET FORTH IN ST S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION I
23. is put to O logic i e TX session is on going When a Time Out Event occurs the red led DL2 is turned on too e Receiving Panel When the device is in Reception mode the green led DL3 of Industrial Communication Board is turned on Two reception methods are available Reception with synchronization Due to fact that is not possible to know when the ST7538 ST7540 begins to demodulate data incoming from the mains frame synchronization can be required in order to know when data flow begins When Frame synchronization is enabled the data flow from modem is filtered from the MCU and only when a header is recognized the data are sent to PC In this way is assured that if the transmitted message is preceded by a preamble i e OXAAAA o 0x5555 and a header i e 0x9B58 all the following bits are correctly sent to PC In ST7540 this function can be performed directly by the modem itself programming the Control register so no controls are present on the reception window Reception without synchronization With this method data incoming from the modem are sent directly to the PC e Ping Panel In order to evaluate the reliability of a communication between two or more devices a Ping session can be performed A full variety of statistical data can be collected and an algorithm of error correction is also included The ping session consists of a Master that 29 39 Software UMO240 11 2 30 39 sends a sequence of messages
24. is to calculate the dissipation and operating junction temperature of the device 31 39 Appendix UMO240 12 Appendix 12 1 Reference e Datasheets ST232 5V Powered Multi channel RS 232 Drivers and Receivers STS4DPF20L Dual P channel 20V 0 07 W 4A SO 8 STripFET Power MOSFET LM158 A LM258 A LM358 A Low Power Dual Operational Amplifiers AD5307 AD5317 AD5327 8 10 12 Bit DACs ST662A DC DC Converter from 5V to 12V 0 03A for Flash Memory Programming Supply ST7265x Low power Full speed USB 8 bit MCU with 32K Flash 5K RAM Flash Card I F Timer PWM ADC I2C SPI L5973D 2 5A Switch Step Down Switching Regulator e User manuals UMO239 ST7540 Power line modem Demokit GUI UM0244 ST7538 Power line modem Demokit GUI e Application note J AN2044 Operating principles for Practispin stepper motor motion control 32 39 DI UMO240 Appendix 12 2 D Schematics Figure 20 Industrial Communication Board us sta J pan mou LR d o wun LEAVE OPENED E Ll Stone T De De L 999 93 pa BSR S R R lel s elei d ollo al telo zl D la Hs Bs i 7 2 VAN leg Jcreee
25. it Digital to Analog Converter DAC and high gain high bandwidth amplifiers are present on board Jumpers switches and LEDs give further adaptability and visualization tools A full range of dedicated FW GUIs and reference design boards are available for every ST Industrial product fully compatible with the ST Industrial Communication Board UMO240 Power supply 2 Power supply Board components require the following voltage supplies Table 1 Voltages present on board Function Supply Converter Device Input Range Output Value Main Power Switching Supp VDD Converter L5973D 5V 35V 5V H Buck Regulated MCU Flash VPP Charge Pump ST662A pin VOUT Vdd 12V Programming Converter OpAmp negative 5V Non regulated ST662A pin C1 Vdd 5 supply Charge Pump These supplies are all derived from an input power supply that can be taken from four different sources 1 PLM 10V connected to the 10V line of the PLM connector 2 5V Motor connected to the 5V line of the Motor connector 3 Phone Jack external connector compatible with common notebook power supply connectors bringing power supply in the 5V 35V range 4 USB 5V connected to the 5V line of the USB supply This enhanced flexibility of source and source voltage selection coexists due to diodes D7 D8 D10 and D12 which prevent the reverse current flowing in the supply inputs keeping different sources independent The higher vo
26. it can be assembled in the two following configurations e Buck referring to Figure 1 the N MOS M1 is removed and the diode D9 is replaced with a short e Buck Boost not optimized MCU Flash programming Vpp A second power supply is implemented in the Industrial board in order to provide the 12V voltage supply required by the microcontroller during the In Application Programming IAP of the embedded Flash memory This power supply consists in a charge pump DC DC regulator implemented by the ST device ST662A which is a step up converter designed for the Flash memory programming Note that the charge pump converter is itself supplied by the switching regulator output Vpp The device can be shut down through line PD3 of the microcontroller in order to reduce power consumption and noise when IAP is not needed ky UMO240 Power supply 2 3 The connection between the charge pump output and the Vpp line is switched by the P MOS STS5DPF20L controlled by pin PF1 of the microcontroller This separates the IAP and In Circuit Programming ICP and delivers Vpp with a shorter rising time The switch is closed when PF1 is low OpAmp negative supply 5V The last power supply consists of a non regulated negative charge pump derived from the pin C1 of the ST622A which works as an oscillator between OV and Vec for the negative charge pump composed by the two diodes D14 and D15 and the two capacitors C35 and C36 This su
27. ltage input will be the dominant supply LED D11 is turned on when the power supply is active ky 7 39 UMO240 Main power supply Figure 1 noresdis Di LC SOS Avd UMd SLO noresdis SCH 0 adozz SCH 1k soos T veo auzz edosH aczesi zem m ER Ti 0 Nzrs1S E be SCH kesi za xovraNoHd So k NOD 83 o F S noresdis er i zag pp ASA E AOS 40001 AOS anor 14 m ECH nortsdis SCH er E DAS an9 Hy T pe s 29 oia ARAL CU IINE T noresdis 4 D ue HT 0107s 6a aA ea NObESALS preog zeqyBneg oL Add S rans RR o Ap a Power supply 8 39 Power supply Flash programming and OpAmp power supply Figure 2 AS sta SCH ASE SAL pnt ECHT dd q 100 ONS 43u00 2 00 EH NGLAHS 9 39 Wi 4ugzz pp e 3 AOL angy E o 7 E 9 19 aan 90S VZ991S an UMO240 Power supply UM0240 2 1 2 2 10 39 Figure 3 Power supplies PCB area oar Sa PR A D ST Ch DES m EN BS ee RR Wc 9 AH ecig R22 R2 a S A Ld d SR Sra IBU COMMUNICATION BOARD R11 Main power supply Vpp The main power supply system of Industrial Com Board consists of a DC DC switching converter based on step down regulator L5973 from ST The switching regulator is designed to provide 5V Vpp stabilized on the output with an input range 5V 35V and
28. nterface control signals 0000 res 19 Power connections a a R a e R R e RR KR RR R hr 19 ST motor control evaluation boards sssusa aae 25 BilotimaterialS cie week ak NI Eee each EEN e EUR RR dw ad Pees Bee 35 Revision history iuis eek Pewee baa der e ped tage NEE EELER 38 ky UMO240 List of figures List of figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Main power supply x S9 S n 9 RKR R a te r9 rrr 8 Flash programming and OpAmp power supply 9 Power supplies PCB area ete 10 Industrial Communication Board connectors schematic 0 eee eee 15 Industrial Communication Board connectors pch eee 16 USB cable plugSis REENEN a eee RR cee ee Mean eee dS 16 Industrial Communication Board jumpers and switches on DCH 20 General purpose switches o ooocooccccoc ete 22 General purpose switches voltages and decisions level cee eae 22 Industrial Communication Board leds on DCH 23 ST7538 dual channel reference design board Rev 21 24 ST7540 reference design board Rev 20 24 Motor control evaluation board EVAL6207N ree 25 DFU graphic user interface llle 26 A simple schematic of the PLC application environment llli sess 28 The Main WINdOW ee W
29. pply is used as negative supply for the two OPAMP U3A and U3B of LM358 in order to provide them a complete rail to rail output range between 5V and Vpp 11 39 Microcontroller UMO240 3 3 1 3 2 3 3 12 39 Microcontroller Microcontroller features The board is based on the ST72F651AR6 USB microcontroller its mains features are e Upto 8MHz ST7 control unit 32 KBytes embedded Flash program memory 5 KBytes embedded RAM memory UVLO Up to 47 general purpose lOs with 3 Interrupt sources two separated lO banks one supplied at 5V and one between 2 7V and 5V This microcontroller embeds several on chip peripherals e Programmable watchdog timer counter e Programmable DMA controller DTC with 256 bytes dedicated memory e Full speed USB controller with 5 endpoints and a 1280 bytes dedicated memory for buffers One 16 bit timer with 2 Output Compare units A 10 bit PWM generator with 2 channels A full duplex SPI peripheral master slave 12C bus interface single master 8 channels 8 bit A D Converter RS 232 Interface The RS 232 interface is emulated by software using e One general purpose lO as TxD signal e One Interrupt source lO as RxD signal e One Output compare unit to generate the correct timing for transmission and reception The firmware implements a half duplex RS 232 interface whenever a simultaneous reading writing operation occurs the writing operation is aborted and the reading op
30. rate The typical run profile for a movement includes an acceleration ramp constant velocity run and deceleration ramp as shown here All of these parameters are set on the control panel In many applications the torque needed to accelerate and decelerate is significantly larger than that required for the constant speed running so the designer may want to drive the motor with a higher current during the acceleration and deceleration time and then drop the current to a lower level during the constant speed portion of the movement to reduce the dissipation ky UMO240 Software The control panel allows the user to set the current as a percentage of the maximum value determined by the hardware for each portion of the movement and the holding time When motor settings have been defined one can start and stop the motor by simply clicking on the RUN and STOP DC motors are supported too Figure 18 DC motor driving GUI e moa innet sew STT e Corenet In addition to driving the motors a program to assist in the thermal evaluation of the application is present Figure 19 Power dissipation and thermal analysis STEPPER MOTOR Control Mode T na MM Nx SELECT EVAL BOARD val 20d A The software is set up to take the operating conditions from the application including the power supply voltage motor characteristics and information about the movement profile and use th
31. rrcab s ONE 35 E SEE ESERE ENE i 5485332 d Selene ebe ges 8 gan 3 pi da 338 i y 3 i U R 8 5 E E s pats P E LA i E 3 dl e s SCH 81 a aa eael alal ala al alal elg ela S 3 2 S 8 8 ES g S 3 E i H H EEE eR eke e d v 28 i 333 D I 3 ws naa B m Hy aos alman PEE EA 4 el dian K R E L zoulsHlaxarson aaa 28 tas o EEN aislaogoen Le z KAS aa yo yeaa Soulues gt seng z EE A H lo A SC y aBSNSH aa g zong Sr B 81 e vecoritas B e 2 E 28 wnr A 5 waia Er z 2 Ki 4 l vacuo 83 Py Hen Se Bw a d a m y E 8 ely L e eua BEA EU S st el oso d84010 E B S 1nooso 589 984 010 23883 Z frsnnsn BESRESELEREREEEE ag 8 8 z U SI N al of del lt d ala a a H FEET 99989 a 999 ae f ha Sch s El 1 Eri 1 wI 5 S Lo 23 H Bi ay S 8 Je i ES re KA N Ss cra if l HE E RU to ON 1 D a pag a 2 com usem 2 Tae D useveo 33 39 Appendix UMO240 Power supply Figure 21 m ET 960 Lviva Arie SALOvBexZa vid 8 OS 1054909915 A A ozz gta wt A sta seo za z9 k El E Y al T sei 9 Pe ia 19 7 E z d ar ot is an novesdls Di D bi 8OSAVA UMd ela A NOvesdLS NddH5 A SCH 0 adozz Sed 91 4no0t LI veo ae saos ass 2 4
32. the CD output pair DAC reference this function is suitable e g in Motor Control Applications using Micro stepping technique for the synthesis of discrete sinusoidal waveforms In fact while the DAC output VoutC or VoutD can generate a discrete sinusoidal waveform the DAC output VoutB is able to control the amplitude of the said signal in order to control finely the torque of the stepper motor The AD5317 AD5327 DACs incorporate a power on reset circuit which ensures that the DAC outputs power up to 0 V and remain there until a valid write to the device takes place There is also an asynchronous active low CLR pin connected to the RES line of Industrial board that clears all DACs to 0 V The outputs of all DACs may be updated simultaneously using the asynchronous LDAC input controlled by the MCU pin PD1 The DAC IC contains a power down feature that reduces the current consumption of the devices to 300 nA 5 V by setting all outputs in high impedance state The devices goes into power down mode when the pin PD connected to the PD2 MCU line is tied low On the PLM connector the four DAC outputs VOUTA VOUTB VOUTC and VOUTD are available directly while on the Motor connector VREF A and VREF B are available These two signals are provided by the two difference amplifiers U3A and U3B implemented by LM358 13 39 Operational amplifiers OpAmp UMO240 5 14 39 Operational amplifiers OpAmp The LM358 consists of two in
33. urrent Control Ref Voltage MCU 33 VREFB Ch B PWM Current Control Ref Voltage MCU 4 LIMIT_B Channel A Over Current Flag EVAL6207N 8 LIMIT_A Channel B Over Current Flag EVAL6207N 10 RCA Ch A RC Monostable Voltage EVAL6207N 14 ENA Ch A Enable Signal MCU 20 IN1 Ch A Input 1 MCU 22 IN4 Ch B Input 2 MCU 26 IN3 Ch B Input 1 MCU 17 39 Interfaces and connectors UMO240 6 4 18 39 Table 2 Motor control interface pins continued Pin number Signal name Description Generated by 28 IN2 Ch A Input 2 MCU 32 ENB Ch B Enable Signal MCU Power line communication The board can communicate with a Power Line Communication Board through its 50 pin J6 connector providing four kinds of signals digital signals analog signals control signals and power signals Table 3 PLC interface digital signals Pin number Signal name Description Generated by 11 REGOK Register Ok signal Modem 14 ICH2 Secondary channel select active low MCU 18 CH2 Secondary channel select active high MCU 35 CDPD Carrier or preamble detected signal Modem 37 REG DATA Register or Data access Modem 39 RxD Serial Data Out Modem 41 RxTx Reception or Transmission select signal MCU 43 ZCOUT Zero crossing detection output Modem 45 CLR T Serial Data Clock Modem 46 WD Watchdog counter reset MCU v IT een Tem dan 48 BUTHERM Thermal event on ST7S40 Modem
34. wesen Asan Y L TieosNersis tha m d 60 zia XOVI aNOHd zo x doo 94 H El noresdis T 095 Yeu E e HN baal gy AOS 40001 AOS NOL 4 Te E ECH NOvESdLS Xx ONAS and Hy T Sie ora aan 14 WAN Ty ino 99 Fg T NovesdlsS 0 et ea P MOS p H 9o10w 7s sa NOvESdaLS 4 za O AOL WM 34 39 UMO240 Appendix 12 3 12 4 PCB Figure 22 Industrial Communication Board and power supply bn J10 us o LT Pani d Ind s Fill oan ee Ba Cum gt Wien ip lusus m E EHE KR e L WM zB IBU COMMUHICATION BOARD Ri 1 I CS ee ler e YZ Bill of materials Table 8 Bil of materials Qty Reference Description Pkg 1 CON1 Molex Connector 67068 USB tipe B C1 C7 C10 C13 C15 C16 19 C18 C19 C21 C23 C29 Ceramic Capacitor 100nF 50V 0603 C30 C41 35 39 Appendix UMO240 Table 8 Bil of materials continued Qty Reference Description Pkg 1 C31 Ceramic Capacitor 22nF 50V 0603 2 C8 C14 Ceramic Capacitor 47pF 50V 0603 4 C9 C17 C26 C33 Tantalum Capacitor 4 7uF 16V 3528 1 C20 Tantalum Capacitor 10uF 16V 3528 3 C22 C24 C36 Ceramic Capacitor 1uF 16V 0805 2 C25 C27 Ceramic Capacitor 220nF 16V 0805 1 C28 Electrolytic Capacitor 10uF 50V P 2 54 THT 1 C32 Tantalum Capacitor 100uF 16V 7243 1 C34 Ceramic Capacitor 220p

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