描述
數(shù)控機(jī)床在執(zhí)行加工程序中規(guī)定的M、S、T機(jī)能時(shí),CNC裝置以BCD代碼形式輸出M、S、T代碼信號(hào)。這些信號(hào)需要經(jīng)過譯碼才能從BCD狀態(tài)轉(zhuǎn)換成具有特定功能含義的一位邏輯狀態(tài)。DEC功能指令的格式如圖1所示。
圖1DEC功能指令格式
譯碼信號(hào)地址是指NC至PMC的二字節(jié)BCD碼的信號(hào)地址。譯碼規(guī)格數(shù)據(jù)由譯碼值和譯碼位數(shù)兩部分組成,其中譯碼值只能兩位數(shù)。例如M03的譯碼值為03,M44為44。譯碼位數(shù)的設(shè)定有三種情況:
01:譯碼地址中的兩位BCD碼,高位不譯碼,只譯低位碼
10:高位譯碼,低位不譯碼
11:兩位BCD碼均被譯碼
DEC指令的工作原理是,當(dāng)控制條件ACT=0時(shí),不譯碼,譯碼結(jié)果繼電器Rl斷開。當(dāng)控制條件ACT=1時(shí)執(zhí)行譯碼,當(dāng)指定譯碼信號(hào)地址中的代碼與譯碼規(guī)格數(shù)據(jù)相同時(shí),輸出R1=1,否則Rl=0。譯碼輸出Rl的地址由設(shè)計(jì)人員確定。
下面舉一個(gè)使用DEC指令的例子,這是M3
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動(dòng)化控制系列
本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
Delta Tau PMAC Ulta Lite 1
Densan DVE-68K/42 DVE-68K 1
Dial Logic V/S30E1-75 1
Digital EBV10-AA 1
Digital EBV12-AD 2
DY4 SVME144 1
DY4 SVME-203 SVME 203 1
Epson SEC8643720 8643720 25
Epson SEC8643772 8643772 2
Epson SEC8653711 8653711 2
Force AGC-1 5
Force AGC-1X 4
Force AGC-1X 1
Force ASCU-2 5
Force ASCV-2 10
Force CMC-1 1
Force CMC-RDU 1
Force CPCI-680 450MHz PPC750 128MB PowerCoreCPCI-680/128-450-L1-16/C2 110
Force CPCI-730 266MHz P2 128MB 12
Force CPCI-731 500MHz P3 128MB 243
Force CPU-710 2
Force ISIO-1FP 2
Force MFIO-100 2
Force MOTH-12A 1
Force MOTH-21A 1
Force MOTH-9 1
Force MOTH-E12A 2
Force OPIO-1 1
Force Pentura 4710 2
Force PIO-1 10
Force PIO-1FP 3
Force PPC PowerCore 6604E 0
Force PPC/PMc/860/40-E1-120 PMC/860/40-E1-120/C11 105226 106597 106828 0
Force PPC/PMc/860/40-E1-120 PMC/860/40-E1-120/C11 105226 106597 106828 0
Force”PPC/PowerCore-6603E/16-120-L0-4 102801
PPC PowerCore-6603E 16-120-L0-4 102801″0
Force”PPC/PowerCore-6603E/16-120-L0-4 102801
PPC PowerCore-6603E 16-120-L0-4 102801″0
Force PWR-09A 10
Force PWR-20 1
Force RR1 16
Force SPARC CPU-10 6
Force SPARC/CPU-10 CPU-10 2
Force SPARC/CPU-1E/16 CPU-1E-16 5
Force SPARC/CPU2CE/16 CPU2CE 10
Force SPARC/CPU2CE/64-80 CPU2CE 4
Force SPARC/CPU-50T CPU-50T CPU-50T-256-300-4-2 256MB 300MHz 0
Force SPARC/CPU-50GT CPU-50GT CPU-50GT/256-333-4-2/R3 1
Force SPARC/CPU-5CE CPU-5CE 1
Force SYS68K/CPU-24 CPU-24 1
Force SYS68K/CPU-25 CPU-25 1
Force SYS68K/CPU-29XB/O CPU-29XB/O 1
Force SYS68K/CPU-2B CPU-2B 3
Force SYS68K/CPU-2VB CPU-2VB PN 100212 1
Force SYS68K/CPU-30BE CPU-30BE/16 Rev 4 PN 102263 1
Force SYS68K/CPU-30BE CPU-30BE/16 Rev 4 PN 102263 1
Force SYS68K/CPU-30ZBE CPU-30ZBE Rev 3 PN 220031 3
Force SYS68K/CPU-30ZBE CPU-30ZBE Rev 4 PN 102261 26
Force SYS68K/CPU32XB 1
Force SYS68K/CPU-40B/16 CPU-40B/16 2
Force SYS68K/CPU-40B/4-01 CPU-40B/4-01 2
Force SYS68K/CPU-5A CPU-5A 2
Force SYS68K/CPU-60D CPU-60D 1
Force SYS68K/DRAM-2 DRAM-2 32
Force SYS68K/DRAM-E4M4 DRAM-E4M4 2
Force SYS68K/IBC-20/4/C9 IBC-20/4/C9 15
Force SYS68K/ISIO-1 ISIO-1 2
Force SYS68K/ISIO-2 ISIO-2 310031 6
Force SYS68K/SDRAM-22A SDRAM-22A 1
Force SYS68K/SIO-1 SIO-1 4
Force SYS68K/SIO-1FP SIO-FP 3
Force SYS68K/SIO-2 SIO-2 14
Force SYS68K/SRAM 3 SRAM 3 1
Force TRI/50T 0
Force VME-110 2
Force WFC-1 10
FORE ATM-1/155SMST 1
FORE NM-4/155UTP5EC 1
Future Display Technology DHVME-0004A 0660-90060 1
Galil Motion Control DMC-1300 DMC-1310 DMC1300 DMC1310 2
General Micro Systems GMSSRPX-01-B 2
General Micro Systems GMSV27-01-B 10
General Micro Systems GMSV36-01-F 1
General Micro Systems GMSV36-01-F 1
General Micro Systems GMSV46-05-D GMSV36-05-F 4
General Micro Systems V51X 1
Greenspring IP-1553 1
Greenspring IP-16ADC 3
Greenspring IP-488 2
Greenspring IP-ADC 6
Greenspring IP-BSDI 2
Greenspring IP-COMM302 4
Greenspring IP-COMM360 4
Greenspring IP-DAC 8
Greenspring IP-Digital 2
Greenspring IP-Digital24 IP-OPTO-22 2
Greenspring IP-Driver40 1
Greenspring IP-Dual PI/T IP-Digital 48 1
Greenspring IP-Ethernet LANCE 2
Greenspring IP-FLASH-2M 45
Greenspring IP-LCD 1
Greenspring IP-MP 39
Greenspring IP-Octal 4
Greenspring IP-OctalPlus-232 1
Greenspring IP-OctalPlus-TTL 1
Greenspring IP-OPTODA12-4CH 1
Greenspring IP-Precision ADC 6
Greenspring IP-Quad Serial 2
Greenspring IP-Quadrature 1
Greenspring IP-Serial 3
Greenspring IP-Stepper 1
Greenspring PMC Carrier,VME Bus,4 Slot 3
Heurikon BAJA68K BAJA40-33-32MB-4FL 20
Heurikon QCom240 QCOM240-25-8MB-P2/P5 30
Heurikon NITRO260 160
Heurikon NITRO40LC-25 2
Heurikon NITROCOM 185
Heurikon NitroCom Transition Module 0574A101-1B 180














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