王玉琳——车床数控系统键盘与LED显示电原理图

S1S2S3S4S5S6S7S8S9S10S11S12S13S14S15S16S17S18S19S20S21S22S23S24S25S26S27S28S29S30S31S32S33S34S35S36S37S38S39S40S41S42KY6KY5KY4KY3KY2KY1KY0RL5RL4RL3RL2RL1RL0RSTOB1OB0OB2OB3OA3OA2OA1OA0A0DB7DB6DB5DB4DB3DB2DB1DB0RDWRALERESETKY5KY6KY4KY3KY2KY1KY0键盘行扫描线S44S45S46S47S48S43-X方向键+X方向键-Z方向键+Z方向键启动键暂停键单段/连续开关急停按钮键盘列回馈线5.1kΩ×6A1B2C3G2A4G2B5G16Y77Y69Y510Y411Y312Y213Y114Y01574LS138OUTA027OUTB031OUTA126OUTB130OUTA225OUTB229OUTA324OUTB328DB012BD23DB113DB214SL032DB315SL133DB416SL234DB517SL335DB618DB719RL038RL139IRQ4RL21RL32CS22RL45RD10RL56WR11RL67A021RL78CLK3SHIFT36RESET9CNTL/S378279+5VQB0QB1QB2QB3QB4QB5QB6编辑空刀自动手动1手动2手动3回零系统监控状态指示灯DG8LED7系统复位键a2b1c9d7e6f4g5h10com3DG1LED8a1B2c3d4e5f6g7h8k11i9j10l12m13n15o16p17q18com14DG0LED16a2b1c9d7e6f4g5h10com3DG7LED8a2b1c9d7e6f4g5h10com3DG5LED8a2b1c9d7e6f4g5h10com3DG3LED8a2b1c9d7e6f4g5h10com3DG4LED8a2b1c9d7e6f4g5h10com3DG2LED8D03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1LE11U674LS373Y4Y3Y2Y1OB0OB1OB2OB3OA0OA1OA2OA3SL0Y0Y1Y2Y3Y4Y0b121U8A74LS04341U8B74LS04561U8C74LS04891U8D74LS0410111U8E74LS0412131U8F74LS04VT1VT2VT3VT4VT5+5VA1B2C3G2A4G2B5G16Y015Y114Y213Y312Y411Y510Y69Y7774LS138D03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1LE11U474LS3731A121A241A361A482A1112A2132A3152A4171Y1181Y2161Y3141Y4122Y192Y272Y352Y431G12G19U774LS2401A121A241A361A482A1112A2132A3152A4171Y1181Y2161Y3141Y4122Y192Y272Y352Y431G12G19U574LS240SL0SL1SL2SL0SL1SL2SL3SL0SL1SL2SL3OB0OB1OB2OB3OA0OA1OA2OA3QA0QA1QA2QA3QA4QA5QA6QA7QB0QB1QB2QB3QB4QB5QB6QB7QB0QB1QB2QB3QB4QB5QB6QB7QB0QB1QB2QB3QB4QB5QB6QB7QB0QB1QB2QB3QB4QB5QB6QB7QA0QA1QA2QA3QA4QA5QA6QA7a2b1c9d7e6f4g5h10com3DG6LED8QB0QB1QB2QB3QB4QB5QB6QB7QA0QA1QA2QA3QA4QA5QA6QA7QA0QA1QA2QA3QA4QA5QA6QA7QA0QA1QA2QA3QA4QA5QA6QA7QA0QA1QA2QA3QA4QA5QA6QA7+5VCPU的P3.3主机板地址译码器CS21S50S49P1.1P1.3P1.0P1.2P1.5P1.7P1.4P3.2U1U2U380508050805080508050车床数控系统键盘与LED显示电原理图设计审核王玉琳尹志强图号共1张第1张2006，82006，8图6-8车床数控系统键盘与LED显示电原理图