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*個(gè)字符必須使用字母或“_"。
跳轉(zhuǎn)規(guī)則：可以向前或向后跳轉(zhuǎn)，跳轉(zhuǎn)指令和跳轉(zhuǎn)目的必須在同一個(gè)塊中（zui大跳轉(zhuǎn)長度為64K字節(jié)）；在一個(gè)塊中跳轉(zhuǎn)目的只能出現(xiàn)一次；跳轉(zhuǎn)指令可以用在FB、FC和OB中。
條件跳轉(zhuǎn)：有兩個(gè)：JC——當(dāng)RLO=1時(shí)，JC才執(zhí)行，當(dāng)RLO=0時(shí)，不跳轉(zhuǎn)，繼續(xù)執(zhí)行下面的程序，但置RLO=1。 JCN——當(dāng)RLO=0時(shí)，JCN才執(zhí)行，當(dāng)RLO=1時(shí)，不跳轉(zhuǎn)。
邊沿檢測：RLO-邊沿檢測和信號(hào)-邊沿檢測。
RLO-邊沿檢測：當(dāng)邏輯操作結(jié)果變化時(shí)，產(chǎn)生RLO邊沿。檢測正邊沿FP——RLO從“0"變化到“1"，“FP"檢查指令產(chǎn)生一個(gè)“掃描周期"的信號(hào)“1"；檢測負(fù)邊沿FN，則RLO從“1"變化到“0"，“FN"檢查指令產(chǎn)生一個(gè)“掃描周期"的信號(hào)“1"。上述兩個(gè)結(jié)果保存在“FP（FN）"位存儲(chǔ)器中或數(shù)據(jù)位中，如M 1.0…，同時(shí)，可以輸出在其他線圈。
信號(hào)-邊沿檢測：同上面的RLO指令類似，當(dāng)信號(hào)變化時(shí)，產(chǎn)生信號(hào)邊沿，也有正/負(fù)邊沿之分：POS/NEG。
上述各種指令，請(qǐng)結(jié)合實(shí)際軟件，掌握其方法、特性和不同之處，其他復(fù)雜指令請(qǐng)參考各種高級(jí)編程手冊(cè)。

數(shù)字指令 
手機(jī)

： 

 Qq:

鄭娟萍

廈門仲鑫航自動(dòng)化設(shè)備有限公司在討論數(shù)字指令前先了解一下各種數(shù)據(jù)格式，關(guān)于二進(jìn)制、十進(jìn)制及其他數(shù)的表示方法，在其他地方都有介紹，這里就不再重復(fù)。
一、數(shù)據(jù)格式（16位）：數(shù)據(jù)類型INT是整數(shù)（16位），其中符號(hào)（位15）表示是正數(shù)或是負(fù)數(shù)（“0"=正數(shù)，“1"=負(fù)數(shù)），16位整數(shù)的數(shù)值范圍是-32768~+32767。在二進(jìn)制格式中，整數(shù)的負(fù)數(shù)形式用正數(shù)的二進(jìn)制補(bǔ)碼表示。（二進(jìn)制補(bǔ)碼利用取反加1得到） 負(fù)數(shù)的位格式，對(duì)零的位置加權(quán)求和，再加1，然后在前面放一個(gè)負(fù)號(hào)。
BCD碼：十進(jìn)制的每一位用四個(gè)二進(jìn)制數(shù)表示，因?yàn)閦ui大為9，所以需要四位二進(jìn)制才能表示出來（十進(jìn)制的9=1001二進(jìn)制），要注意，從0~9的十進(jìn)制數(shù)的BCD碼表示與二進(jìn)制數(shù)表示相同，但BCD碼一般用作顯示，并非二進(jìn)制。上面的INT（整數(shù)）主要是用來運(yùn)算。
如BCD碼W#16#296，在CPU中表現(xiàn)為0000，0010，1001，0110（直接為+，2，9，6=+296）；而整數(shù)+296則表示為0000，0001，0010，1000（即28+25+23=296），再例如整數(shù)-413表示為1111，1110，0110，0011（因?yàn)槭秦?fù)數(shù)，所以用補(bǔ)碼，取反加1，所以上面的二進(jìn)制數(shù)=-（28+27+24+23+22+1）=“-413"，而在BCD碼該數(shù)（W#16#F413）則可以簡單的表示為1111，0100，0001，0011。
二、數(shù)據(jù)格式（32位）：DINT類型的數(shù)據(jù)——帶符號(hào)位的32-位整數(shù)，定義為“雙整數(shù)"或“長整數(shù)"，它的表示方法及范圍是：L#-2147483648~L#+2147483647；還有一個(gè)是實(shí)數(shù)型REAL型（也叫浮點(diǎn)數(shù)），是1.175495*10-38~3402823*1038之間，實(shí)數(shù)的通用格式為（Sign）*（1.f）*（2e-127），其中Sign為符號(hào)位第31位（即zui高位），低位的0~22位為f=底數(shù)位，23~30為e=指數(shù)。STEP 7中的實(shí)數(shù)是按照IEEE標(biāo)準(zhǔn)表示的。

Keyence Corporation FS-V11P

Keyence FU-15 

Turck U3-01278 

IFM Efector E18007 Cable 250V

Turck BS 5136-0 Connector

Edmunds Gages 411082 Controller with 4110881 and 4110883 (3 boards)

Robicon 361983.00 Clamp Rectifier Assy (600 to 1000HP)

Robicon 361982.02 Clamp Cap Assy (900HP)

Scanray 08-1280 Board

Board 35-0133A or 08-1314

Lucent At&T TN6148 V5 Sys Access-Maint

Samsung SFD-321B/LCP3 3.5 Floppy Drive

InterLink WKV498-3M Bus Stop (Used)

GVC F-1156I/R12 Modem Card

Micron MT8LSDT3264AG-133B2 Memory

Delta Electronics EFB0512HA CPU Cooling Fan 12V DC Brushless 50mm X 50mm X 10mm

009188 Board 142.0043 Rev. G (Used)

43030 Board CN41A Rev. A (NNB)

009188 Board 142.0043 Rev. H (Used)

009489 Board 142.0069 Rev. H (Used)

970922 Generic Board (Used)

Generic 019988 PC Board 142.0448 (Used)

Generic 950126 PC Board Rev. V (Used)

2Wire 1001-301000-004 Filter Kit

GE Z97F5285 Capacitor Assembly with Dale RH50 Resistor, 40370011 Coil 

GE Z97F5159 Capacitor Assembly, Dale RH25 Resistor, 40430002 Coil

GE Z97F5159 Capacitor Assembly, Dale RH25 Resistor, 2-7078 Coil

DMP 881 Expansion Interface Card

Motorola BLN1145B39 CA020YX Board

11-Slot Rack

E07019/2/C/2/2 Output Board

853596/2/1 High Resolution Set-Point Board

6-Slot Rack

853626/2/1 High Resolution F/V Board

853632/2/1 High Resolution F/V-V/F Board

853544/2/1 CPU Board

853540/1/1 MR80 NV Memory & Timed Interrupt Board

853552/2/1 Keep Alive & Serial Interface Board

E07024/2/B/3/4 Keyboard Interface Board

Key Tronic KT800U2 104-Key Enhanced Keyboard

HP 434820-002 Wired PS/2 Keyboard

Red Lion Controls PBLT0600 Apollo Modules for LDD 6-Digit Totalizer

Papst ebm W2K121-AA15-13 Fan

000611CJ6-B1 PRESTOLITE-S CAT 3 Cable

E132276-A CAT 3 Cable

Belden 1232A1 Datatwist CAT 3 Cable

E154502 CAT 3 Cable

Ampex 3282190-01 Core Memory Module 32KX9

Ampex 3282190-01 Core Memory Module 32KX9 (Issue P)

GE 44B398260-001 PC Board

Ampex 3282190-01 Core Memory Module 32KX9 (Issue C/J/P)

GE 44B398282-001 Board

GE 44A398795-G01 Control Card

152601503-001 Data Cable

Del-Con 7284748-E CB-402 Power Amplifier Board

Del-Con 7281104-C CB-211 Memory Board

Del-Con 7283969-C CB-204 Memory Board

Del-Con 7282761-H CB-221 Memory Board

Del-Con GM 7308994 CB-523 Board

Del-Con GM 7936876 CB-728 Shift Register Board

Del-Con GM 7308896 CB-121 Board

Del-Con 7281195-D CB-502 Diode Board

Del-Con 7291849-C CB-334 Delay or Safe Timer Board

Del-Con 7291849-B CB-334 Delay or Safe Timer Board

Del-Con 7281196-D CB-111 Board

Del-Con GM 7308994 A CB-523 Board

Del-Con 7281196 CB-111 Board

Carrier HT201793-1 Chiller Processor Board

Del-Con GM CB-728 Shift Register Board

Reliance 8125400BYN Input Card

Sodick DCM-001F Board

Pyxis Corp. 100455 Door Button Decoder

Pyxis Corp. 105051-01 Board

Goldstar GT-3009 Module Components3 0PIN SIMM 9CHIP

IBM 64G3022-01 Memory Board

Digital Equipment 50-23531-01 Board

IDT 7MP6107 Cache memory module

Matsushita KO-13N Memory Board SIMM 30PIN 3CHIP 70NS

Century SEK-01 Memory Board

Century JCI-S1S Board

Kingston 94V-0 KTM-1100 PC Board

IBM 11D1320BA-70 Memory Board

Compaq MT2LG25664HG-83 Video Memory Upgrade SO-DIMM

PNY 3625670-2G 43619477-000 Board

HP 1818-5624 Memory Module 4MB, 70nS DRAM SIMM

Bafo Technologies MUTP5E-25BUB CAT 5e Patch Cable

Reliance 0-54379-1 PC Board Auxiliary M Kit

Thomas Register Part Spec Edition 6.5

Anritsu AM-7052HSL Voltage Data Collector

Yokogawa B8050XZ DL1600 Digital Oscilloscope CD-ROM and User's Manual

Microsoft RT2300 Wired Keyboard 500

Simplex 5120-9930 Cable 5ft.

Simplex 5120-9931 Cable 15ft.

CDI G03-0019 Data Cable

Dell 6715009011-20 Monitor Cable

CDI G03-0019 Data Cable (Used)

Dell 6715009017P03 Monitor Cable

Securitron LCP-24-24-F-ER Lock Control Panel

GE 46-137244 G1B Power Supply Board

Picker 181432A Rotor Logic Board

Picker 189917 PCB Board

GE 46-144902 G1A Relay Switch Board

GE 46-144901 G1A Time Delay Board

Mitsubishi MH1M08A0J-10 Board

ATP AB64L72A8S8B0S Memory Board

Cumulus Corp. 902147 Board

Edge 1GB-58 Memory Board

Picker 182266 180 Cycle Drive Board

GE 46-168481 G1A Inverter Driver Board

HP 261585-041 Memory Board

Apple 820-0246-03 Board

Samsung KMM591000B-8 Memory Board

PNY 8032L Board

NMBS MM2801J9S-08 TCC-TH7V Memory Board

NMBS SJ2563 Board

digital 5423623 5023622-01 A2 Memory Board

PNY GSEP-M01 Board

PNY 3625670-2G HI Board

HP 404574-888 Memory Board

VisionTek 13240.0 Memory Board

GoldenRAM BGEN72X16T Memory Board

Samsung KMM591000B-7 Board

AST 202298-002 C Module Board

Edge Technology ES1025 Board

Hyundai HYM532100AM-70 MS Memory Board

Hyundai HYM591000AM-70 Board

in E35641-15-0 Board

Samsung KMM591000AN-8 Memory Board

NMBS MM2801J9S-08 Board

Texas Instruments TM42560U9 Board

Hyundai HYM532414AM-60 Memory Board

OKI MSC23109-70DS3 Board

NEC MC-422000F32BA-60 Memory Board

Hyundai DE-M E108357 Board

Samsung KMM591000A-8 Board

Reliance 0-54220-2 Autobus Link Board

Thermotek 0P8A251PCB Board Rev. E

Thermotek 0P8A251PCB Board Rev. F

Reliance 8125400BYN Input Card (Missing Faceplate)

GE Fanuc IC600BF923K Output Module

GE Fanuc IC600BF832K Input Module

Astrophysics 35-0126C Memory Board

Scanray D081512 Input Board

Scanray 08-1353 System Control Board

Scanray 08-1514 Memory Board

Scanray 08-1290 Output Board

GE IC600YB900B Parallel Trasmitter

GE Fanuc IC600BF800K I/O Receiver Module

GE Fanuc IC600BF904K Output Module

Reliance 8127100 Processor Board

Wentech RES-1 Universal Resistance Transducer

Philips ECG 5834 Semiconductor

Reliance 8036500ERL Board with 8036200FWN Board

Miyachi Electronic ME-1579B Board

Unimation, Inc. D918E3 Comparator Board

Unimation, Inc. D918C1 Control Board

Unimation, Inc. D918K5 Control Board

Fanuc A16B-1200-0150/01A ROM Board

Unimation, Inc. D918T3 Coincidence Board

Unimation, Inc. D918A9 ADDRIVEESS REG Board

Moog D918Y3 Control Board Circuit Card

Moog D918S3 Servo Amplifier Card

Unimation, Inc. SERVO-D6 Board

Unimation, Inc. D918E1 Comparator Board

R031093A Board

Sieb & Meyer 26.39.27 AC Servo Module

Kawasaki 1BX-51 Board

Reliance 0-54339-14 Memory Board

Kawasaki 1BP-55 Board

Fanuc A16B-1211-0860/05A Board

Reliance 0-48664-2 Board

Beta Tech, Inc. BE-BB0X-012 Board

Barber-Colman A-12212-6 Circuit Board

INCON 90001-021000 Board Rev. B

Vacuflo FX-3000 Board

Fanuc A16B-1211-0030/02A Board

Reliance 8036500DYL Board

Reliance 8035900AVK Board

Reliance 54339-17 Run Base Memory Board

Reliance 0-51377-24 Interconnect Board

2D60575 G01 Board

918FP1 Board

Honeywell 30756718-003 MCU/Output Board

Kawasaki 1AS-53 Board

GE Fanuc IC600YB945C ASCII Module

Reliance 7690900ARM AutoMate Programmable Controller

Reliance 8036500EXK Control Board

Reliance 8125400BUN Input Card

Reliance 8125110BSL Input Card

Reliance 8125110BXL Input Card

Kawasaki 1CK-34 Drive Board

Kawasaki 1GK-11 Drive Board

Kawasaki 1GY-31 Drive Board

Kawasaki 1CK-34 Drive Board

Reliance Electric 0-52823 Board

Mi 1026173-01 RK Dual Console Control Board

Mi 1051483 R3 Quad Receiver Board

Micro Memory, Inc. MM7300 Board

Texas Instruments 500-5848 14 Module I/O Base

Hobart Brothers Co. 369096 1 R8 Board

Reliance Electric 0-52824 Board

Mi 1026743-02RC 8-Station Line Circuit Board

Mi 1027322-01RH C.O. Trunk Circuit Board

Mi 1058093-01RE Superset Line Circuit Board

Mi 1022903-01RG Scanner Board

Mi 1023323-02 Tone Control Board

Turck U2163 Eurofast Cordset

INCON 90001-021000 Circuit Board Rev. A

Allen Bradley S50906 Power Distribution Board 3HP

SMT Electronics 29232 Printed Circuit Board Assembly

Powers 53673000902199 Board with 533-725

1 New PRX 770S19 2D 9238 Diode

Sprague EE-1309 Capacitor 50V (Box of 5)

Sprague EE-1301 Capacitor 50V (Box of 5)

Sprague EE-1303 Capacitor 50V (Box of 5)

Sprague EE-1303 Capacitor 50V (Box of 4)

Sprague EE-1305.5 Capacitor 25V (Box of 4)

Sprague EE-1300 Capacitor 50V (Box of 2)

Sprague EE-1305.5 Capacitor 25V (Box of 5)

Sprague EE-1309 Capacitor 50V (Box of 3)

T&B/Ansley 314YE1 Computer Board Ribbon

T&B/Ansley 6050B81G01 Computer Board Ribbon

T&B/Ansley J117 Computer Board Ribbon

Agilent E101344 Video Cable

Applied Robotics Inc. LL54185 Quickstop Cable Assembly

Turck U2173-1 Eurofast Cordset

Honda MT1-2001-T728 Cable Assembly

Bevco SD-175 Full Wave Diode Bridge Rectifier Assembly

NEC M3A1TUA4AB Alarm Contron PC Board Assembly

AFC 3820-0003-1A Card

Landis & Gyr Powers, Inc. 53641004010343 Board

GTE 4110-000 Transmission Board

Carol C0743A Multiconductor Computer Cable

AMP 206966-1 Cable Connector Housing

Papst 4182 NGX Double Fan 7-15VDC 3.5W

Comair Rotron MS12B3X MUFFIN XP Fan

GE 24-Slot Thermal Block

GE 8-Slot Thermal Block

Hitachi BMU 256-1 A87L-0001-0017 11I Board

IGC 0PA502BM Interface Board

Amphenol 10-101984-163 Circular Connector

Landis & Gyr Powers, Inc. 54557903420283 Board

Landis & Gyr Powers, Inc. 53641004010093 Board

AMP Spectra Strip 80"L x 1.75"W

NIPPON CHEMI-CON 36DY Capacitor

Microsoft 96483 Scrolling Mouse

Marcon CE04W Capacitor

Philips ECG 2114 Semiconductor

Philips ECG 2380 Transistor

Philips ECG 3020 LED Bulb Red Pack of 2

8408 Capacitor

Generic Capacitor EE-1216 Capacitor

Sprague TVA1601 Capacitor

National Semiconductor LM555CN Timer

GE H11G2 Opto Coupler

GE 216157-103 Diode

GE 216157-002 Diode

Electrolytic Capacitor 470uF 50V

Motorola MDA920A5 Semiconductor

Microswitch VPR5F10 Wirewound Resistor

Nichicon 220uF 50V Capacitor

Philips ECG 5835 3 Amp Rectifier

Philips ECG 5875 12 Amp Rectifier

Radio Shack 271-1315 330-Ohm Resistors Pack of 5

Radio Shack 271-1321 1k-Ohm Resistors Pack of 5

SK Series SK3662 Silicon Triac

WVU

Ohmite L100J100 Vitreous Enameled Resistor

Allen Bradley JA1N056S203UA Potentiometer

GTE 4012 Shelf 12-Slot

Freelin-Wade A30924-01 6mm x 4mm x 100'

ebmpapst 4182 NGX Fan 7-15VDC 3.5W

edi PB40 8932 Minibridge

edi PB40 8747 Minibridge

labs 4420GD Card RA Series

AdTran DDST III Card

GE 3S7505KP501A1 Pulse Detector Kit

XEL Communications 964832/4W PRSCTN Line Amplifier

XEL Communications 4216010 2/4W SF-FXO/FXS Amplifier

XEL Communications 4110000 4W AMP SF-E&M Amplifier

Adtran T400 DDST 111 Automatic Adaptive Card

Adtran 2210046-1 T400-DDSTIII Card

Black Box SW691A ABC 2-Port Ethernet Switch

LAN-LINE  222675-5 Electrical Connector Cable Assembly

FR M00310 Cable/Connector 5 Pin

GE C390PB Rectifier 1200 Volts

Bodine Electric Company 43300129 W/circuit board

Bodine Electric Company 43300129 with circuit board NIB

Bodine Electric Company 43300129  no circuit board

GE Fanuc A16b-2200-0431/03A Rio Motherboard PC Board

ABB GJR5-2401-00-R1-07SK-83 Cable/Connector KW 13/99

NUM C1 I/O Board 64.I/48.O 1060 W PCNC

NUM P 8E/8S Analog Board 1060 W PCNC

NUM B Processor PC Board 1060 W PCNC

NUM E Memory Board 1060 W PCNC

NUM Processor Controller 1060 PCNC Board

GE Fanuc A16B-1000-0140/07A Motherboard Main Controller

GE Fanuc A16B-1211-004/07A CPU Memory Board

GE Fanuc A16B-1211-0860/04A Memory/Shared Ram PC Board

GE Fanuc A20B-1000-0560 Analog Servo Control Board