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SMSC EMC2102 manual

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Bom manual de uso

As regras impõem ao revendedor a obrigação de fornecer ao comprador o manual com o produto SMSC EMC2102. A falta de manual ou informações incorretas fornecidas ao consumidor são a base de uma queixa por não conformidade do produto com o contrato. De acordo com a lei, pode anexar o manual em uma outra forma de que em papel, o que é frequentemente utilizado, anexando uma forma gráfica ou manual electrónicoSMSC EMC2102 vídeos instrutivos para os usuários. A condição é uma forma legível e compreensível.

O que é a instrução?

A palavra vem do latim "Instructio" ou instruir. Portanto, no manual SMSC EMC2102 você pode encontrar uma descrição das fases do processo. O objetivo do manual é instruir, facilitar o arranque, a utilização do equipamento ou a execução de determinadas tarefas. O manual é uma coleção de informações sobre o objeto / serviço, um guia.

Infelizmente, pequenos usuários tomam o tempo para ler o manual SMSC EMC2102, e um bom manual não só permite conhecer uma série de funcionalidades adicionais do dispositivo, mas evita a formação da maioria das falhas.

Então, o que deve conter o manual perfeito?

Primeiro, o manual SMSC EMC2102 deve conte:
- dados técnicos do dispositivo SMSC EMC2102
- nome do fabricante e ano de fabricação do dispositivo SMSC EMC2102
- instruções de utilização, regulação e manutenção do dispositivo SMSC EMC2102
- sinais de segurança e certificados que comprovam a conformidade com as normas pertinentes

Por que você não ler manuais?

Normalmente, isso é devido à falta de tempo e à certeza quanto à funcionalidade específica do dispositivo adquirido. Infelizmente, a mesma ligação e o arranque SMSC EMC2102 não são suficientes. O manual contém uma série de orientações sobre funcionalidades específicas, a segurança, os métodos de manutenção (mesmo sobre produtos que devem ser usados), possíveis defeitos SMSC EMC2102 e formas de resolver problemas comuns durante o uso. No final, no manual podemos encontrar as coordenadas do serviço SMSC na ausência da eficácia das soluções propostas. Atualmente, muito apreciados são manuais na forma de animações interessantes e vídeos de instrução que de uma forma melhor do que o o folheto falam ao usuário. Este tipo de manual é a chance que o usuário percorrer todo o vídeo instrutivo, sem ignorar especificações e descrições técnicas complicadas SMSC EMC2102, como para a versão papel.

Por que ler manuais?

Primeiro de tudo, contem a resposta sobre a construção, as possibilidades do dispositivo SMSC EMC2102, uso dos acessórios individuais e uma gama de informações para desfrutar plenamente todos os recursos e facilidades.

Após a compra bem sucedida de um equipamento / dispositivo, é bom ter um momento para se familiarizar com cada parte do manual SMSC EMC2102. Atualmente, são cuidadosamente preparados e traduzidos para sejam não só compreensíveis para os usuários, mas para cumprir a sua função básica de informação

Índice do manual

  • Página 1

    Insert EVB graphic/photo here (this text can be removed on master page view) SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) Copyright © 2007 SMSC or its sub sidiaries. Al l rights rese rved. Circuit diagrams and other infor mation relating to SMSC product s are included as a means of il lustrating typical applications. C onsequently , complete i[...]

  • Página 2

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 2 T able of Content s 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Página 3

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 3 6.2.8 Using the Tested Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38[...]

  • Página 4

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 4 List of Figures Figure 4.1 EMC2102 Fan Control Evaluation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4.2 EVB-EMC2102 Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Página 5

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 5 List of T ables Table 5.1 Register Change Summary for Experiment 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 5.2 Register Change Summary for Experiment 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Página 6

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 6 1 Overview SMSC has introduced a serie s of Environmental Monitoring a nd Control (EMC) devices with integ rated fan control. This fan controller family devices f eature the advanced closed-loop fan con trol technology developed by SMSC’s engineering tea[...]

  • Página 7

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 7 Figure 4.1 EMC2102 F an Control Evaluation Syste m Figure 4.2 EVB-EMC2102 B oard USB Cable PC w/ Chi pMan Sof twar e EVB-EMC2102[...]

  • Página 8

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 8 5 Basic Operation Experiment s In this chapter ba sic operation exp eriments will be provided to help users to get familiar wi th the system. 5.1 Experiment 1 - Manual Fan Control This experiment is designed to ga in familiarity with both the EMC2102 devic[...]

  • Página 9

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 9 in Figure 5.4, "ChipMan Operati on Window" . Click o n the HWM icon to show the di fferent windows available. The EMC2102 W atchDog will have timed out at this point, and the on-board DC fan will be running at 100%. Note: S tarting the ChipMan ap[...]

  • Página 10

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 10 Figure 5.3 Selecting the Device and Master C ontroller T ype Figure 5.4 ChipMan Op eration Window[...]

  • Página 11

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 11 Notes: 1. The EVB-EMC2102 needs to be configured usin g the USB SMBus Bridge to work properly . If in the device selectio n window the Master Contro ller type is set to I/O Cont roller Hu b then the "Supported company ID on device not found" mes[...]

  • Página 12

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 12 5.1.3 Plotting From ChipMan The ChipMan software has the ability to plot regi ster value s in real-time, up to 10Hz contin uous rate. T o select a register to plot, highlight its name or va lue, and right-click. A men u with a single entry "Add regis[...]

  • Página 13

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 13 The two plots shown in Figure 5.8, "Plot Examples" are in sync. If the scaled dat a is desired for analysis or archival, the data may be stored in a se mi -colon separated text file from each of the plot windows. Simply select File Export, an d [...]

  • Página 14

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 14 5.2.2 Basic RPM Based Fan Control The EMC2102 defaults will enable cl osed-loop operatio n. Prior to other options, examine the vari ous parameters on ChipMan window p age 3: Fan Settings. The registers of most interest are th e F AN Minimum Drive (55h), [...]

  • Página 15

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 15 5.2.4 Register Change Summary T able 5.1, "Register Change Summary for Experiment 2" lists all register value cha nges from the default cmf load to accomplish the tests. Figure 5.10 Effe cts of Loading T able 5.1 Register Change Summary for Expe[...]

  • Página 16

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 16 5.3 Experiment 3 - Spin -up Configuration Options This experiment is designed to ga in familiari ty with the va rious spin-up o ptions available in the EMC2102 devices. This experiment will discuss the effects of S pin-Up T ime and S pin-Up Levels. These [...]

  • Página 17

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 17 the 60% drive the regi ster 51h value i s 153d or 99h, and for 75% it i s 191d or BFh. Tho se two drive settings will run a DC fan at two different speeds and we will cal l them rpm60 and rpm7 5. Depending on the fan, the speed for the same dri ve setting[...]

  • Página 18

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 18 Note: When a fan starts, the first T ACH count captured by the EMC2102 may not reflect the fan’s speed correctly , since the counti ng clock (32.768 kHz) coul d only part ially fill the coun ting window , which will cause a higher spee d reading. Also f[...]

  • Página 19

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 19 5.3.6 Register Change Summary T able 5.2, "Register Change Summary for Experiment 3" lists all register value cha nges from the default cmf load to accomplish the tests. T able 5.2 Register Change Summary for Experiment 3 REGISTER NAME ADDRESS D[...]

  • Página 20

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 20 5.4 Experiment 4 - RPM Drive Mode Rate Controls This experiment is designed to gain familiarity with the ra te control options available in the EMC2102 devices. This experiment will discuss the effects of Maximum Fan S tep and Upd ate rate that can be use[...]

  • Página 21

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 21 In the next experiment ( Figure 5.17, "Default UP DA TE with Different S tep Size Settings" ), two different maximum step sizes, 16 and 63, were used. with the 63 STEP SIZE setting, the output takes less steps (updates) from 4000 rpm to 7500 rpm[...]

  • Página 22

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 22 5.4.3 Register Change Summary T able 5.3, "Register Change Summary for Experiment 4" lists all register value cha nges from the default cmf load to accomplish the tests. Figure 5.18 Exceptional ly Slow Rate T able 5.3 Register Change Summary for[...]

  • Página 23

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 23 5.5 Experiment 5 - Opti mizing RPM Control Response This experiment is designed to gain familiarity wi th the parameters that affect the closed-loop controller implemented in the EMC2102. All these register s are located on the Fan Setting page in ChipMan[...]

  • Página 24

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 24 5.5.3 F AN Minimum Drive Register (55h) and V alid T ACH Count (56h) These two registers assist the user in defining the operational envi ronment for a given fan. The Minimum Drive register is an absolute minimum valu e the RPM controller may drive to in [...]

  • Página 25

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 25 5.5.4 Register Change Summary T able 5.4, "Register Change Summary for Experiment 7" lists all register value cha nges from the default cmf load to accomplish the tests. T able 5.4 Register Change Summary for Experiment 7 REGISTER NAME ADDRESS D[...]

  • Página 26

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 26 5.6 Experiment 6 - Limit s and Alert s This experiment is designed to gain familiarity wit h the control registers for generating fan related alarms and alerts associated with the EMC2 102. The CMF file for this experimen t is EMC2102_de fault.cmf. 5.6.1 [...]

  • Página 27

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 27 5.6.3 Register Change Summary All register values are default for the tests in this section. Figure 5.22 Fan Sp in and S t all Fan Dr ive Set t i ng (51h) Interr upt Status 2 (23h) TACH Target (57h) Stall TACH Reading (58h)[...]

  • Página 28

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 28 5.7 Experiment 7 - T roubleshooting 5.7.1 Repetitious S pin-up Routine Caused by Incorrect Settings At the end of spin-up routine (see Section 5.3.1, "Fan C ontrol Parameters" ), the EMC2102 checks the T ACH Reading register (58h). If the value [...]

  • Página 29

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 29 If the fan is already set to 75% level, we will need to lower the va lid speed (function of 56h, V alid T ACH) to a value below the rpm75, to fix the problem. T o test this situation, set spin -up level to 75 % (53h[2] = 1), se t the V alid T ACH Count (5[...]

  • Página 30

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 30 5.7.1.2 Case 2 - V alid RPM << T arget RPM < S pin-up Level RPM In this case, the ta rget speed is sma ller than t he spin-up level speed (rpm60 or rpm75) and is much bigger than the valid sp eed. The theoretica l plot of this situ ation is shown[...]

  • Página 31

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 31 5.7.1.3 Case 3 - V alid RPM =< T arget RPM << S pin-up Level RPM In this case, the target speed is only a little gr eater than the valid spe ed, and both of them are much smaller than the spin-up level speed (rpm60 or rpm75) . The theore tical pl[...]

  • Página 32

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 32 Using the EVB-EMC2102 to test th is situation with rpm75 (~5650 rpm), simply set the V alid T ACH register (56h) with 4500 rp m, set the UPDA TE (52h[2:0]) = 100ms an d start the fan with 4700 rpm, the spin-up routine starts over ‘and over ( Fig ure 5.3[...]

  • Página 33

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 33 5.7.1.4 Case 4 - 4.V alid RPM < Spin-up Level R P M ( r p m 6 0 o r r p m 7 5 ) < T a r g e t R P M In this case, the spin-up level speed (rpm60 or rpm75) is greater than the valid speed and smaller than the target speed, as shown in Figure 5.32, &q[...]

  • Página 34

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 34 5.7.1.5 Case 5 - Correct RPM Rela tions hip s with a Slow Response DC Fan In this case, the spin-up routine i s too short to make the fan reach a spee d highe r than the vali d sp eed. Since the EMC2102 cannot detect a valid T ACH at the en d of sp in-up [...]

  • Página 35

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 35 6 Appendix 6.1 DC Fan Basics - Poles, T ach Meter Pulses and Edges An n-pole fan has n pairs of Nort h-South magnetic poles which are ge nerated by electromagnet coil s. At anytime, only one p air of coils are d riven and which coil pair get s driven is d[...]

  • Página 36

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 36 Note: Although users can set the number of edges (in register 52h) to ei ther 3, 5, 7 or 9, it is strongly recommended using the default value 5 while driving a 2-pole DC fan. This equal to one complete fan revolution fo r a 2-pole fan. ChipMan translates[...]

  • Página 37

    Fan S peed Control with the EMC2102 Device SMSC EMC2102 USER MANUAL Revision 0.2 (09-17-07) 37  V erify the device is in Manu al Mode (52h[7] = 0) 6.2.2 Set the Correct LIMIT2K V alue  Register 52h (FAN Configuration) bit 6 (LIMIT2K ) is a fan dependent parameter as discussed in Section 5.5.2, "Fan Confi guration Register (52h)" . W[...]

  • Página 38

    Fan S peed Control with the EMC2102 Device Revision 0.2 (09-17-07) USER MANUAL SMSC EMC2102 38 6.2.7 Determine the Spi n-up Levels (rpm60 and rpm75)  Drive the fan with 60% of the maximum outpu t (regi ster 51h = 99h) and the rpm value in the T ACH Reading register (58h) will be the fan’s rpm60  Drive the fan with 75% of the maximum ou tpu [...]