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SC2128A-D33S Datasheet(PDF) 7 Page - Silan Microelectronics Joint-stock |
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SC2128A-D33S Datasheet(HTML) 7 Page - Silan Microelectronics Joint-stock |
7 / 15 page Silan Semiconductors SC2128A HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.31 7 4. MODE KEY MODE key is used to bring SC2128A around ORD (ordinary wind) mode, RTM(rhythm wind ) mode, SLP (sleep wind) mode and RSL(rhythm sleep wind ) mode. In ORD mode, the wind speed is set by SPEED key and does not change as time passes. In RTM mode the wind speed cycles through three rhythm wind, patterns as set by the SPEED key. In SLP and RSL mode, however, the fan automatically steps down one level (strong to middle, middle to low) every 30 minutes and keeps in low wind until off-timer times out. Four modes of operation are described in details later. OFF ORD RSL RTM SLP SPEED KEY 5. SW1 and SW2 KEYS SW1 and SW2 keys control the output status of SO1 and SO2 outputs which in turn control the head swing of fan. Depending on the 2SW mask option, SO2 is controlled by either SW1 or SW2 key. If 2SW option is selected each pressing of SW1 key toggles SO1 ON(L) and OFF(Z) and each pressing of SW2 key toggles SO1 ON(L) and OFF(Z). If 2SW option is not selected, pressing SW1 key cycles SO1 and SO2 output as shown in the diagram and SW2 key has no effect. 2SW option is described later. SO1=Z SO2=Z SO1=L SO2=Z SO1=Z SO2=L SO1=L SO2=L SW 1 K EY SW 1 K EY SW 1 K EY SW 1 K EY Fan already ON Z=high impedence L=low voltage 6. LIGHT KEY LIGHT key toggles LIT output on(L) and off(Z). LIT output can only be controlled with LIGHT key (from both panel and remote control) and SLEEP key (if available) on remote control handset. OFF key does NOT affect LIT output. LIT output is NOT affected by OFF key as well as off-timer times out. 7. OFF/MEMS KEY OFF/MEMS key functions differently depending on whether the fan is ON or OFF. It functions as OFF key when the fan is ON, and is used to bring SC2128A from any on state into off state. LIT output is NOT affected by OFF key. When fan is OFF, it functions as MEMS (memory start) and is used to turn on the fan and set to the memory mode, provided memory mode is enabled. Memory mode is explained later in the MEMORY MODE section. 8. INDICATOR LEDS Up to twelve(12) indicator LEDs may be constructed on the control panel of fan built with SC2128A. Six(6) LEDs are constructed as 3x2 LED matrix formed by COM and LED1, LED2, LED3. The other six(6)LEDs are built in series with TRIAC outputs. The diagrams show how the LED matrix is constructed. |
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