Manuale d’uso / di manutenzione del prodotto S3F84B8 del fabbricante Samsung
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S3F84B8 All-in-One IH Cooker Revision 0.00 May 2010 A A p p p p l l i i c c a a t t i i o o n n N N o o t t e e 2010 Samsung Electr onics Co., Ltd.
Import ant Notice The information in this publication has b een carefully checked and is believed to be entirely a ccurate at the time of publication. Samsung assumes no responsibility, however, for possible errors or omissions, or for any consequences resulting from the use of the information contained h erei n.
Revision History Revision No. Effective Date Description Refer to Author(s) 0.00 Mar, 2010 - Initial Draft Wei Ningning Zhang Fan.
T able of Content s 1 OVERVIEW OF IH COOKER (IHC) ............................................................. 1-1 1.1 Induction Cook ing Principle ................................................................................................ .....
List of Figures Figure Title Page Number Number Figure 1-1 How IH Cooker Work s ............................................................................................... ....................... 1-1 Figure 1-2 Pin Assi gnment in S3F84B8 .........
List of T ables Table Title Page Number Number Table 2-1 S3F84B8 pin assi gnment in IH c ooker system ......................................................................... ......... 2-5 Table 3-1 Internal Resource Arrangement and Configuration ...
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0. 00 1 OVERVIEW OF IH COOKER (IHC) 1-1 1 OVER VIEW OF IH COOKER (IHC) In traditional ranges or ovens, cookware is use d to tran sfer heat from the stove elements. However, in the IH cooker (IHC), the cookware participate s in the heat generat ion.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0. 00 1 OVERVIEW OF IH COOKER (IHC) 1-2 1.2 KEY FEATURES OF S3F84B8 With no more discrete ICs like LM339 (comparator IC) in previous IHC soluti ons, S3F84B8 successfully integrate s four comparators, one OPA, and one IH-PWM to cont rol power directly.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0. 00 1 OVERVIEW OF IH COOKER (IHC) 1-3 Comparator1/2/3 has only one input with an intern al prog ra mmable reference level. It can lock the output of PWM to a safe level. Besides the delay trigger function, PWM can realize anti-mis-trigg er functio n as well.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-4 2 HARDW ARE IMPLEMENT A TION 2.1 SYSTEM DIAGRAM AND PIN ASSIGNMENT Figure 2-1 shows the block diagram of IH co oker system.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-5 In Figure 2-1 , SMPS stands for Switch Mode Power Supply. It pr ovides +18V DC and +5V DC to the syste m. Three out of four comparators are u se d in this sol uti on: one for synchronization ci rcuit an d other two for surge protection and IGBT over-voltage protection.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-6 2.2 POWER SUPPLY Figure 2-2 shows the circuit diagram for power supply . 1 5 6 4 8 T1 EE-19 D5 U F 4007 D4 8 D3 7 D2 6 D1 5 S1 1 S2 2 FB 3 VDD 4 U1 VIPER 12A 220 V A C D1 1N 4007 + C8 10uF / 50V VI N 1 GN D 2 VOU T 3 IC1 78L05 D 7 U F 4007 Z1 18V + C6 100uF / 25V + C2 4.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-7 2.3 SYNCHRONIZATION CIRCUIT R9 2KJ R23 2 K C23 1 02 +18V R12 2K7 R6 220K/0. 5W FU SE1 10A/250V 1 4 3 2 -+ BR I D GE D15X B80H18 R28 51R + C28 25V/100uF D8 4148 R36 10R R37 10K C22 0.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-8 IH heating is the result of Eddy current caused by LC resonance. Fo r a general cookware, the oscillation frequency may vary from 20KHz to 30KHz.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-9 2.4 POWER CONTROL Power is the product of voltage and current (P = V x I). Figure 2-5 a nd Figu re 2-6 show the measurement circuit of system voltage and current, separately.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-10 2.4.2 CURRENT MEASUREMENT R4 1 K OPA_O R1 3 3 6 K RW1 10K OPA_N C1 0 104J SY S_I + C1 2 1uF / 16V CURRE NT R 14 100K R1 5 22K S .
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-11 2.5 SYSTEM PROTECTION 2.5.1 SURGE PROTECTION Figure 2-5 shows the circuit diagram for surge p rotection. In this figure, Surge_P specifies the negative inp u t of Comparator 1. Also, reference voltage is internally set as 0.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-12 2.5.4 TEMPERATURE PROTECTION Figure 2-7 shows the circuit diagram for temperature protection.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-13 2.6 OTHER FUNCTIONS 2.6.1 PAN DETECTION Pan-on detection is executed every 2sec when the system is idle.
S3F84B8_ALL-IN-ONE IH COOKER_AN_REV 0.00 2 HARDWARE IMPLEMENTATION 2-14 2.6.3 KEY AND DISPLAY CIRCUIT Figure 2-9 shows the circuit diagram for key and di splay.
S3F84B8_ALL-IN-ONE IH COOKER_AN_R EV 0.00 3 SOFTWARE IMPLEMENTATION 3-1 3 SOFTW ARE IMPLEMENT A TION 3.1 STATE TRANSITION DIAGRAM Figure 3-1 shows the state transition diagram.
S3F84B8_ALL-IN-ONE IH COOKER_AN_R EV 0.00 3 SOFTWARE IMPLEMENTATION 3-2 3.2 SOFTWARE DIAGRAM Figure 3-2 shows the software diagram. Figure 3-2 Software Diagram NOTE: 1. [1] Pan remove detection [1] is done by current sensing. T he pan is judged to be removed when the current is lower than a preset threshold.
S3F84B8_ALL-IN-ONE IH COOKER_AN_R EV 0.00 3 SOFTWARE IMPLEMENTATION 3-3 Figure 3-3 shows the flow chart of CMP 1/2 interrupt serv ice routine. Due to the cooperation of IH-PWM and comparators integrated in S3F84B8, only a few jobs need to be done in the ISR.
S3F84B8_ALL-IN-ONE IH COOKER_AN_R EV 0.00 3 SOFTWARE IMPLEMENTATION 3-4 3.3 INTERNAL RESOURCE ARRA NGEMENT AND CONFIGURATION Table 3-1 shows the internal resource arrangeme nt and configuration.
S3F84B8_ALL-IN-ONE IH COOKER_ AN_REV 0.00 4 APPENDIX 4-1 4 APPENDIX 4.1 ERROR CODE Table 4-1 shows the error information al ong with the error type and its code on 7seg-LED.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Samsung S3F84B8 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Samsung S3F84B8 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Samsung S3F84B8 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Samsung S3F84B8 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Samsung S3F84B8, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Samsung S3F84B8.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Samsung S3F84B8. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Samsung S3F84B8 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
