![]() |
廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
![](/NewShowStand/style/14/Images/Blue/免費會員1.png)
![]() |
廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
參考價 | 面議 |
聯(lián)系方式:張亮查看聯(lián)系方式
更新時間:2018-02-07 19:49:07瀏覽次數(shù):232
聯(lián)系我們時請說明是泵閥商務(wù)網(wǎng)上看到的信息,謝謝!
1756-L55M22---1756-L55M22
1756-L55M22---1756-L55M22
這么斤斤計較!不就差了一個周期嗎,如果是12M的晶體震蕩器的話,也就1個微秒時間了,一個字節(jié)又能有多少?
不對,如果這條指令只執(zhí)行一次,也許無所謂,但一條指令如果執(zhí)行上1000次,就是1毫秒,如果要執(zhí)行1000000萬次,就是1S的誤差,這就很可觀了,單片機(jī)做的是實時控制的事,所以必須如此“斤斤計較"。字節(jié)數(shù)同樣如此。
:張亮(工程師) 專線:
24小時移動專線: 【】
再來提一個問題,現(xiàn)在我們已知,尋找操作數(shù)能通過直接給的方式(立即尋址)和直接給出數(shù)所在單元地址的方式(直接尋址),這就夠了嗎?
Furnas System 89 Size-2 2-Speed Constant Torque MCCB
Allen Bradley AB AC Drive 1334-BJB 1333BJB 3PH 460V 3HP
Allen Bradley 6186-M17ALTR VersaView 1700M Ind Monitor
Allen-Bradley PowerFlex 700S 5 HP 480V AC VS Drive 20DD
Sti MS4328B-2 MiniSafe-B MS4300B-2 43268-0280 FlexSafe
Fanuc A06B-0163-B175 AC Servo Motor AM9/3000 1.8 kW 3PH
GE ADS32600HB 600A/240V Spectra Series F Panelboard
GE ADS32600HM 600A/240V Spectra Series F Panelboard
GE ADS32600HM 600A/240V Spectra Series Fusible Panelboa
Yaskawa CIMR-55WSB 80kVA Varispeed 676 CIMR55WSB 200V B
Hitran D3007544H6 75 KVA Transformer 460/460 Y/266 75kV
Square D 118T145HDIT 118.5 KVA Transformer 460/460Y/266
Westinghouse Size 4 2100 200 Amp Fusible MCC Bucket 200
DSA PPTH-Charging PPTH Charger IPCSLAD-PPTH D S diagnos
Westinghouse DS-416 1600A Frame/Sensor Breaker Amptecto
Allen-Bradley 20AC8P7A0AYNANNN 5 HP Powerflex 70 AC VS
Square D LX 225 Amp LX36225G I-Line Breaker LX36225 /w
Square D LX I-Line Breaker 175 Amp LX36175G LX36175 175
General Electric Panametrics Model 7168 Ultrasonic Flow
Square D Size 4 250 Amp Breaker Combination Starter Box
GE Multilin 735-5-5-HI-485 SR735 Feeder Protection Rela
Hammond DR118YYNT 118 kva Transformer 460/460 Y/265 118
Allis-Chalmers LA-600 600A Breaker 600V 600 Amp A AC-Pr
Square D Model 6 Size 4 200A KAP 20" MCC Bucket 200 Amp
Micro Motion F050SR113SUR Mass Flow Sensor MicroMotion
Hertner Battery Charger TD18-775 18 Cell Type L-A
General Electric THJS3603GA3 300 Amp Breaker THJS 600V
ITE RV364 200 Amp 600V Bus Plug Busway Plug-In Unit Bus
Square D H364DS 200A Fusible Stainless Steel Safety Swi
Square D Mod Model 4 Sz Size 4 Fuse MCC Bucket 8536SFO1
Westinghouse DS-416 1600A Frame/Sensor Breaker Amptecto
Square D 75kVA 480/480 Delta-Delta Transformer 3Ph 75 k
Federal Pacific FH118CFMD 118 kva Transformer 460/460 Y
Rexroth MSK040C-0600-NN-M1-UP0-NNNN 3-Phase Permane
Cutler Hammer Eaton SVX005A1-2A1B1 5 HP VF VS Drive NIB
Square D 63 KVA Transformer 460V 460Y/266V 63T145HDIT 3
DSA PPTH-Charging PPTH Charger IPCS-LAD-PPTH diagnostic
Fanuc A06B-0163-B175 AC Servo Motor AM9/3000 1.8 kW 3PH
AB Allen Bradley 1779-KP3 1779KP3 Data Highway Interfac
Cutler Hammer 100 Amp 600V BPEHD3100 Breaker Bus Plug E
Westinghouse IQ-1000 II 2D78558 Relay Motor Circuit Pro
McQuay Westinghouse IQ-1000 II 2D78558 Relay Motor Circ
General Electric GE CR306F104 Size 4 Starter CR306F NIB
Westinghouse Size 4 2100 200 Amp Fusible MCC Bucket 200
Merlin Gerin 800 Amp MP08 Masterpact Stationary Assembl
TCI 250 HP Harmonic Guard 3H080A6L5A250 80 kVAR Filter