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--------- 0-5V --------- ~220V ---------------- | PC |===>===|Circuit|========|Coffee-Machine| --------- --------- ---------------- |
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Back View ----- Pin 10 - ACK
Male DB-25 | | Pin 9 - D7
Connector | | Pin 2 - D0
v v v Pin 1 -
~Strobe
____________________________________________________________
/ \
\ 13 12 11 10 9 8 7 6 5 4 3 2 1 /
\ /
\ 25 24 23 22 21 20 19 18 17 16 15 14 /
\______________________________________________________/
|
1¹ø ÇÉÀº ½ºÆ®·Îº¸ÀÌ´Ù. (¹Ý´ë ³í¸®ÀÌ´Ù.)
2-9¹ø ÇÉÀº µ¥ÀÌÅÍ ¹ö½ºÀÇ ½ÅÈ£·Î, ¾ö¹ÐÇÏ°Ô ¸»Çϸé OUTB ¸í·É°ú ÇÔ²² º´·Ä Æ÷Æ®ÀÇ ºøÀåÀ¸·Î ¾²ÀÌ´Â ¼ÀÀÌ´Ù.
10¹ø ÇÉÀº ¾Ë¸² ½ÅÈ£(ACK)·Î, Á¦¾îÇÏ´Â °ÍÀÌ´Ù. ±×·¡¼ ¿ì¸®´Â CPU·ÎÀÇ ÀÎÅÍ·´Æ®¸¦ ¸¸µé ¼ö ÀÖ´Ù.
18-25¹ø ÇÉÀº ¹ÙÅÁ(GND)ÀÌ µÇ´Â ªÀº ȸ·ÎÀÌ´Ù.
¼¼ºÎ ³»¿ë :
<= in DB25 Cent Name of Reg => out pin pin Signal Bit Function Notes ------ ---- ---- -------- --- ----------------------------- => 1 1 -Strobe C0- º¸³»Áö´Â >0.5 uS ÀÇ ³·Àº ÆÞ½º ¼ÂÆÃ => 2 2 Data 0 D0 ÀǹÌÀÖ´Â ÃÖ¼ÒÇÑÀÇ µ¥ÀÌÅÍ ¼ÂÆÃ => 3 3 Data 1 D1 ... => 4 4 Data 2 D2 ... => 5 5 Data 3 D3 ... => 6 6 Data 4 D4 ... => 7 7 Data 5 D5 ... => 8 8 Data 6 D6 ... => 9 9 Data 7 D7 ÀǹÌÀÖ´Â ÃÖ´ëÇÑÀÇ µ¥ÀÌÅÍ ¼ÂÆÃ <= 10 10 -Ack S6+ IRQ ¿ëÀÎµÈ ÀÌÈÄÀÇ ³·Àº ÆÞ½º ~ 5 uS <= 11 11 +Busy S7- Busy/Offline/Error¸¦ À§ÇÑ ³ôÀº ÆÞ½º <= 12 12 +PaperEnd S5+ ³íÁö ¿ÜÀÇ °ÍÀ» À§ÇÑ ³ôÀº ÆÞ½º <= 13 13 +SelectIn S4+ ÇÁ¸°Å͸¦ À§ÇÑ ³ôÀº ÆÞ½º => 14 14 -AutoFd C1- ÇÑ °¡´Ú¿¡¼ÀÇ ÀÚµ¿¹ÝÀÀÀ» À§ÇÑ ³·Àº ÆÞ½º ¼ÂÆÃ <= 15 32 -Error S3+ Error/Offline/PaperEnd¸¦ À§ÇÑ ³·Àº ÆÞ½º => 16 31 -Init C2+ init¿¡ ´ëÇÑ > 50uS ÀÇ ³·Àº ÆÞ½º => 17 36 -Select C3- ÁöÁ¤µÈ ÇÁ¸°Å͸¦ À§ÇÑ ³·Àº ÆÞ½º ¼ÂÆÃ == 18-25 19-30, Ground |
°¡Àå °£´ÜÇÑ È¸·Î´Â ´ÙÀ½°ú °°ÀÌ ±¸¼ºµÇ¾î ÀÖ´Ù.:
Vcc
|
+------+
| __|__
Relay /^\ Diode 1N4002
Coil /---\
| |
+------+
|
| /
4.7K B |/ C
parallel port >-\/\/\/\/---| NPN Transistor: BC547A or 2N2222A
data pi |\ E
| V
|
parallel port >--------------+
ground pin |
Ground |
Æ®·£Áö½ºÅÍÀÇ, ÁýÀü±â(collector) (C) ÇÉ ´ë½Å À̹ÌÅÍ (E) ÇÉ ´ÙÀ½¿¡ Áß°è±â¸¦ ³õ´Â´Ù. À̰ÍÀº Æ®·£Áö½ºÅͰ¡ ³ªºüÁö´Â °æÇâÀÌ ÀÖ°í ¾Æ¸¶µµ ±× °á°ú·Î Ä¿Çǵµ º° º¼ÀÏÀÌ ¾øÀ» ¼ö ÀÖÀ¸¹Ç·Î º°·Î ÁÁÀº ¹æ¹ýÀº ¾Æ´Ï´Ù. :-) ´ÙÀÌ¿Àµå 1N4002´Â Áß°è±â¿ÍÀÇ ¿¬°á¿¡¼ Æ®·£Áö½ºÅ͸¦ º¸È£ÇÒ ¼ö ÀÖÀ¸¹Ç·Î ´õ À¯¿ëÇÏ´Ù. Æ®·£Áö½ºÅ͸¦ »ç¿ëÇÏÁö ¾Ê´Â´Ù¸é, ¾Æ¸¶ ½ÃÄ¿¸Ý°Ô µÇ¸ç ź ³»°¡.....
°£´ÜÇÑ È¸·Î¸¦ ¿øÇÒ »ÓÀ̶ó¸é, ÀϹÝÀûÀÎ ±â´ÉÀÇ SC141D¿Í ºñ½ÁÇÑ TRIACÀÎ ¸ðÅä·Î¶ó¿¡¼ ³ª¿Â Æ®¸®¾Ç µå¶óÀ̹ö MOC301[012]¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù. À̰ÍÀº ´ç½ÅÀÌ ¿©ºÐÀÇ ÆÄ¿ö ¼ÇöóÀ̸¦ »ç¿ëÇÏÁö ¾Ê´Â´Ù¸é ¸ðÇèÀûÀÎ ÀÏÀÌ´Ù.
¹ÝÀÀ ·Îµå°¡ ¾ø´Â ȸ·Î:
270 1 +-------+ 6 180
+5v -VAVAVA-----+ +----VAVAVA-----+-------------- Line Hot
2 | MOC | |
TTL in ---------+ 3012 +nc VA SC141D
| | 4 / |
nc+ +------------/ |
+-------+ +----\/\/\/---- Line Neutral
LOAD |
220 º¼Æ®¿¡¼ »ç¿ëÇÒ »ý°¢À̶ó¸é, 3021À» ÀÔ¼öÇϵµ·Ï ÇÏÀÚ. ¹ÝÀÀ ·Îµå´Â Motorola Application Note AN-780¸¦ º¸¸é ¾Ë ¼ö ÀÖµíÀÌ Äܵ§¼ ¹ÙÀÌÆÐ½º¿Í ¿¬°áµÇ´Â °ÍÀÌ º¸ÅëÀÌ´Ù. Ä¿ÇǸӽÅÀº ÀúÇ× ·Îµå¸¦ »ç¿ëÇÏÁö ¸ðÅÍ¿Í °°Àº ¹ÝÀÀÀ» »ç¿ëÇÏÁö ¾ÊÁö¸¸, ´ç½ÅÀÇ °ÍÀÌ ±×·¸°Ô ÇÒÁö ¶Ç ´©°¡ ¾Ë°Ú´Â°¡.
+5VDC
| 180 180 2.2k
+---/\/\/\----+-----+ +----/\/\/-+--/\/\/\---+-------> 120V
| 1| |6 | | Hot
| +=====+ | | MT1
| | MC | TRIAC | +-+
| | 3032| Driver | G | | TRIAC
| +=====+ | /| |
\ 2| |4 | / +-+
2N3904 |----+ | | | | MT2
/ | +--------- | -------+ |
V \ | | |
| / | \ |
| \ 43 .01u --- 10k / |
| / 500V --- \ |
| | | / |
+------+ | | | Neutral
| +--------+--+---o o--> 120V
/ load
>-/\/\--| 2N3904
\
V
|
---
///
220V¸¦ À§ÇØ ·¹Áö½ºÅ͸¦ º¯È¯ÇÒ ¼ö ÀÖ´Ù. |
ȸ·Î ¼³¸í :
MC3032Àº TRIACÀÇ ±¤À½ÇâÀý¿¬Ã¼ÀÌ´Ù. 180 ¿ÈÀÇ ÀúÇױ⸦ ±¤À½ÇâÀý¿¬Ã¼ÀÇ LED À̹ÌÅÍ¿¡ ÀϹÝÀûÀ¸·Î ¸ÂÃß¾î Á¶ÀýÇÑ´Ù. ÇÊ¿äÇÏ´Ù¸é ÀúÇ×±âÀÇ °ªÀ» ¹Ù²Û´Ù. (e.g., 15 mA).
·Îµå ¾øÀÌ ½ÇÇèÇÒ ¼ö´Â ¾ø´Ù´Â °ÍÀ» ÀØÁö ¸»ÀÚ. TRIACÀº AC Àü¾Ð°ú ¿¬°áµÇÁö ¾ÊÀ¸¸é ÀÛµ¿µÇÁö ¾ÊÀ¸¸ç, AC ¿Í ·Îµå ¾øÀÌ´Â ´Ü¼øÇÑ ½ÇÇèµµ ÇÒ ¼ö ¾ø´Ù. 500 º¼Æ®¿¡ ÃÖ°í .01ÀÇ ¼¼¾×ÀÌ ºÙ´Â´Ù´Â °Íµµ.