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真正意義上的冗余控制器結(jié)構(gòu)提供無擾動(dòng)切換和高可靠性。
提供眾多的通訊選擇、更多的模擬量、數(shù)字量和特殊輸入輸出模塊。
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★陜西欣鴻然自動(dòng)化設(shè)備有限公司
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可編程邏輯控制器實(shí)質(zhì)是一種專用于工業(yè)控制的計(jì)算機(jī)，其硬件結(jié)構(gòu)基本上與微型計(jì)算機(jī)相同，基本構(gòu)成為：
一、電源
可編程邏輯控制器的電源在整個(gè)系統(tǒng)中起著十分重要的作用。如果沒有一個(gè)良好的、可靠的電源系統(tǒng)是無法正常工作的，因此，可編程邏輯控制器的制造商對(duì)電源的設(shè)計(jì)和制造也十分重視。一般交流電壓波動(dòng)在+10%(+15%)范圍內(nèi)，可以不采取其它措施而將PLC直接連接到交流電網(wǎng)上去
二、中央處理單元(CPU)
中央處理單元(CPU)是可編程邏輯控制器的控制中樞。它按照可編程邏輯控制器系統(tǒng)程序賦予的功能接收并存儲(chǔ)從編程器鍵入的用戶程序和數(shù)據(jù)；檢查電源、存儲(chǔ)器、I/O以及警戒定時(shí)器的狀態(tài)，并能診斷用戶程序中的語法錯(cuò)誤。當(dāng)可編程邏輯控制器投入運(yùn)行時(shí)，首先它以掃描的方式接收現(xiàn)場(chǎng)各輸入裝置的狀態(tài)和數(shù)據(jù)，并分別存入I/O映象區(qū)，然后從用戶程序存儲(chǔ)器中逐條讀取用戶程序，經(jīng)過命令解釋后按指令的規(guī)定執(zhí)行邏輯或算數(shù)運(yùn)算的結(jié)果送入I/O映象區(qū)或數(shù)據(jù)寄存器內(nèi)。等所有的用戶程序執(zhí)行完畢之后，后將I/O映象區(qū)的各輸出狀態(tài)或輸出寄存器內(nèi)的數(shù)據(jù)傳送到相應(yīng)的輸出裝置，如此循環(huán)運(yùn)行，直到停止運(yùn)行。
為了進(jìn)一步提高可編程邏輯控制器的可靠性，對(duì)大型可編程邏輯控制器還采用雙CPU構(gòu)成冗余系統(tǒng)，或采用三CPU的表決式系統(tǒng)。這樣，即使某個(gè)CPU出現(xiàn)故障，整個(gè)系統(tǒng)仍能正常運(yùn)行。
三、存儲(chǔ)器
存放系統(tǒng)軟件的存儲(chǔ)器稱為系統(tǒng)程序存儲(chǔ)器。
存放應(yīng)用軟件的存儲(chǔ)器稱為用戶程序存儲(chǔ)器。
四、輸入輸出接口電路
1．現(xiàn)場(chǎng)輸入接口電路由光耦合電路和微機(jī)的輸入接口電路，作用是可編程邏輯控制器與現(xiàn)場(chǎng)控制的接口界面的輸入通道。
2．現(xiàn)場(chǎng)輸出接口電路由輸出數(shù)據(jù)寄存器、選通電路和中斷請(qǐng)求電路集成，作用可編程邏輯控制器通過現(xiàn)場(chǎng)輸出接口電路向現(xiàn)場(chǎng)的執(zhí)行部件輸出相應(yīng)的控制信號(hào)。
五、功能模塊
如計(jì)數(shù)、定位等功能模塊。
六、通信模塊
3SP-SP
ALARM, LEGEND PLATE 22.5MM 8/PKG
PowerFlex 700AFE 325A Active Front
End
THOMAS & BETTS, T-21SDA, DISCONNECT ADAPTER KIT
(ACCESSORY)
Photoelectric Accessories
A6T20, 600V 20A CLASS T
FUSE
CUSTOM CARD
Mersen AJT45 Fuse, Class J Time Delay
K5500 FR3
control power conn.
CONNECTOR KIT, K5500, DSL
Siemens B120 20A, 1P, 120V, BL Type, 10
kAlC, CB
52 A at 40 Hp ND/30 Hp HD 21A
W-Series, Fuse terminal, Rated
cross-section: 6 mm2, Screw connection EACH
1485G DeviceNet Physical
Media
Weidmuller, 1828130000, CABTITE KT 2/B 6/PKG
DNET
CONNECTOR
ELECTRICENTER, ECHS125, LOAD CTR RAIN-HUB 1.25 INCH
MCS Bus Bar
Module with Wires - Short
FERRAZ, US6JI. FUSE BLOCK 60AMP 1POLE 600V
CLASSJ
Bus Bar Switch
FERRAZ, US14PAK, FUSE ACCESSORY MULTI-POLE ASSEMBLY
KIT 9/PACK
TERMINAL COVER KIT, 141A-BKH
GENERAL ELECTRIC TERMINAL BOARD
EB25B04
MCS Bus Bar Shroud Holder
SIEMENS, 3RU2926-3AA01, STAND-ALONE
INSTALL BRKT S0 SCREW
2400 mm Length 12X10 mm Copper
Busbar
6ES7972-0BB41-0XA0 -- CONNECTOR PROFIBUS 12MB 35DEGREE W/PG
PORT
Limit Switch Repair Kit
SIEMENS, 3SB3640-6BB70, PILOT LIGHT GREEN,
3SB36406BB70
PowerFlex 750 Series DC Line Fuse Kit
WEIDMULLER 0514510000
DIN RAIL, SLOTTED, STEEL, TS35X7.5MM, 1M
N4X/12
WEIDMULLER, 1221200000, HEAVY DUTY CONNECTOR, HE 24 FS 25-48, 500 V, 16
A
KIT,STAR INTERFACE,700S,1030A,400V CL,FR
LEVITON, CR15-W, RECEPTACLE
DUPLEX 15AMP 125V NEMA5-15R 2P 3W WHITE 10/BX
1030A IGBT MODULE FOR ONE
PHASE
WEIDMULLER, 0534200000, FERRULE 10/22
300 AERE POWER MODULE
SUB-ASSY/COPPER H
ENTRELEC, 029969404, JUMPER 2POLE SCREWLESS
(18/PKG)
1300A IGBT MODULE FOR ONE PHASE
BUSSMANN, LPJ-20SP, FUSE, 20A,
600V, TIME DELAY
KIT,ELEC,PWR STRUCTURE,700S/H,2250A,600V
SM200-5L, SHAFT,
TYPE M, LENGTH 20 0MM/7
KIT PWR STRUCT 700S/H 1300A 400V CLASS F
ATQ2 1/4
-- Fuse, 2-1/4A, ATQ, 500VAC
PowerFlex 700H/S Precharge Board Kit
LD-S7-3,
Cable & Connector
Fan Capacitor Kit 7uF PF700H/S F9
AMP TRAP,
AJT8, 600V 8A CLASS J TD FUSE
Fan Capacitor Kit 7uF PF700H/S
F10/12
SIEMENS, LBRH2, BLACK ON/OFF NON-PADLOCKABLE HANDLE
KIT,PWR
STRUCT,700S/H,920A,600V CLASS,FR
PowerFlex 700S/H Power
Structure40041553
PowerFlex Power Module Kit
820A 920A & 1030A IGBT
MODS FRM 12 DRI
1150A IGBT MODULE FOR ONE PHASE
1300A IGBT MODULE FOR ONE
PHASE
1450A IGBT MODULE FOR ONE PHASE
261 AERE POWER MODULE SUB-ASSY
400/480V
300 AERE POWER MODULE SUB-ASSY/COPPER H
385A IGBT MOD LEFT-SIDE
& RIGHT-SIDE
KIT IGBT PWR MOD 700S/H 460A 400V CL F
500A IGBT MOD
LEFT-SIDE & RIGHT-SIDE
590A IGBT MODULE FOR ONE PHASE 400/480V
650A
IGBT MODULE FOR ONE PHASE 400/480V
730A IGBT MODULE FOR ONE PHASE
400/480V
170 AERE POWER MODULE SUB-ASSY 600/690V
1030A IGBT MODULE FOR ONE
PHASE
1180A IGBT MODULE FOR ONE PHASE
208 AERE POWER MODULE
SUB-ASSY/COPPER H
KIT IGBT PWR MOD 700S/H 261A 600V CL F
KIT IGBT PWR
MOD 700S/H 325A 600V CL F
KIT,IGBT PWR MOD,700S/H,416A, 600V CL, F
IGBT
MODULE,1 PHASE,FR11,460A,600V CLASS
502A IGBT MODULE FOR ONE PHASE
600/690V
590A IGBT MODULE FOR ONE PHASE 600/690V
KIT IGBT PWR MOD 820A
600V CL FR 12 700S
920A IGBT MODULE FOR ONE PHASE
CONVERSION 700H TO S
600V CL FR 14 1500A
CONVERSION 700H TO S,600V CL,FR 14,2250A
PWRFLEX 700S
FRM 10-13 24V FILTER-CBL,F
POWERFLEX 700S FRM 10-13 EMI SHIELD KIT
700S
700S
PowerFlex
700S/H Interface Board Kit
KIT,STAR INTERFACE,700S,1030A,400V CL,FR
700S
FR 12 STAR I/F PCB KIT 820A400/480V
700S FR12 STAR I/F PCB KIT 920A
400/480V
KIT,STAR INTERF,700S,1500A,600V CL,FR14
KIT,STAR
INTERF,700S,2250A,600V CL,FR14
KIT,STAR INTERFACE,700S,650A,600V
CL,FR
KIT,STAR INTERFACE,700S,750A,600V CL,FR
KIT STAR INTERFACE 700S 820A
600V CL FR
PF700S Voltage Feedback Kit 400/480V
PowerFlex 700S Voltage
Feedback Kit
HIM BEZEL HIGH POWER DRIVES NO BRAND
PowerFlex 700L
Converter Cassette Kit
PowerFlex 700L Converter Cassette Kit
PowerFlex
700L Addressable Power Kit
PowerFlex 700L Capacitor Assembly
Kit
KIT,PF700L, 480V, Frm3B, LCL CAP BANK
KIT,PF700L, 480V, Frm3A, LCL CAP
BANK
DC BUS BAR KIT,PF700L FR2
PowerFlex 700L Power Module Fan
Kit
PowerFlex 700L Power Module Fan Kit
RDD-Series RDB 480V AC Rotary
Servo Mtr
RDD-Series RDB 480V AC Rotary Servo Mtr
AutoMax Maintenance
& Troubleshooting
AutoMax Programming Fundamentals
PowerFlex 700S
Voltage Feedback Board
KEY FOR 1772-LX LW LZ-178
Power Monitor Install
& RSEnergyMetrix
FactoryTalk AssetCentre Configuration
FactoryTalk
Historian SE Config & Data
FactoryTalk Metrics - Historian
Classic
FactoryTalk Transaction Manager
Microsoft SQL Server for
FactoryTalk
RSMACC Installation & Configuration
RSTestStand Enterprise
Project Dev
2030 ElectroGuard Maintenance & TS Fund
FIELD
CNTRLR.-FCCC
ARMATURE REG.
DRIVER CARD
POWER SUPPLY
CONTROLLER
CARD
GATE DRIVER MAXPAK
SUMMING VOLT. REG.
SUMMING SPEED REG.
TIMED
VOLTAGE REF.
OP. AMP. FUNCTION
GATE DRIVER AMPL.
FREQ. TO
VOLT-FVCC
ANALOG DIVDR-DIVA
TACH LOSS &OVRSPD.
TACH LOSS
&OVRSPD. TLOB MAXPAK P
VSSA
OLVA
OLVC
PRMA
DFSA
CLRA
CARD
CLRC
ACCA
TSTR SEL SWTH-TSSA
CUSTOM COMP.-CCCA
MODIFIED
CARD
DIGITAL SEQ.-VSDC
VLTG. SOURCE-VSAC
DCGA
DCGB
CLSA
DC
GATE DRVR-VTGA
FIRING CIRCT-VTGB
MODIFIED CARD O-51805-5
Modified
52808-2 Overload and V Card
PILOT RELAY CARD
PC BD 1200A M RECT
2500A M
RECT & SUP
FULL WAVE BRIDGE
CARD
METER FILTER F/B
STATIC
RHEOSTAT PC BD
PHASE SEQUENCE
PHASE SEQUENCE
FIELD LOSS P.C.
TACH
SCALING CARD
RELAY CARD
FAULT RELAY
POWER SUPPLY P.C.
BASE
DRIVER
DRIVER CARD VVI INVERTER 5
BASE DRIVER PC BD.
DRIVER CARD USED
ON 15,20
DRIVER CARD
O-55300
GATE DRIVER VVI INVERTER
POWER
SUPPLY VVI INVERTER
POWER SUPPLY 460V
BUS CLAMP VTAC/BUS
CLAM
VOLTAGE DIVIDER VVI INVERTER
VOLTAGE DIVIDER PC
DIODE BD LFT
SIDE
AUTO RESTART BD.
RELAY BOARD
CARD
CARD BYPASS
CTRL
CURR./VOLTAGE-CVVT
VOLTAGE TO ISOL.
INVTR. BASE DRIVER
DC
TRANS.CKT
KIT GATE SNUBBER
KIT, PRECHRGE BD SA3000
RING
COUNTER
POWER MODULE CARD
ISOL. PROC. CNTRL VVI INVERTER
KIT
REGULATOR PC BOARD
KIT ASSY PCB POWER MODULE INTER GV3000
KIT, REG BD
SP500
GV3000 POWER BOARD 5HP
TORQUE TAPER KIT
KIT, PRESET SPD/INST
IF
REF RECEIVER KIT CARD
KIT, REGEN TACH FDBCK
PROCESS LINE
KIT
REGULATOR CARD FOR FLEXPAK PLUS
REGULATOR CARD
DRIVER BD.
KIT,
ASSY,PCB,DC2CUIT
EXECUTIVE SOFTWARE
DV/DT BD. MAXPAK 5
DV/DT
BD.
KIT, ASSY,PCB,FLEXPAK 3000,POWER INTRFAC
KIT, ASSY,PCB,FLEXPAK/BUL
1397,S6 DV/DT,
1 TERMINAL BOARD
VOLTAGE FEEDBACK MAXPAK III
KIT, FIELD
SUPPLY
KIT, CARD
FLEXPAK 3000 AC TACH I/F CARD
PMI DC POWER TECHNOLOGY
MODULE
DC POWER SUPPLY CARD
KIT, 60HP FLD DRIVE
KIT, 60 HP ARM DRIVE
BD
KIT, DVDT PRINTED CIRCUIT BOARD
PMI PROCESSOR MOD
LOCAL POWER
INTERFACE (LPI) BOARD, SA300
G.D.I. SA3000
P.I.M. SA3000
KIT PMI
RESOLVER
KIT, GATE DRIVER BD
KIT, SNUBBER CIRCUIT
DC BUT I/P
VLTMTR
LINE SYNC BOARD
KIT, CONTROL OPTION BOARD
SA3100 LED
BOARD
SA3100 CONNECTOR BOARD
KIT, SA3100 RESOLVER DRIVE I/O
KIT, GATE
COUPLER
SCRF 115 VOLT
CONTROLLER CARD
CONTROLLER CARD
CONTROLLER
CARD
RELAY CIRCT.-115V
RELAY CIRCUIT NON-REV. & DB
RELAY
CIRCT.-230V
CONTROLLER CARD
COMPRESSION NETWRK
PRTD-CIRCUIT
ASSY
GATE COUPLING BD.
R.C. NETWORK
R.C. NETWORK
CONTROLLER
R.C.
NETWORK 460V
PRINTED CIRCUIT
VOLTMETER KIT
AMMETER 150-200 HP
PLC
I/O MODULE
O/P FREQ. CARD
60-150 HP AMMETER
INPUT RELAY
115VAC
PRTD-CIRCUIT
24VDC RELAY CARD
INPUT RELAY,24VDC
LINE
DRIVER
OPERATIONAL AMPL.
PLSE I/P AMPL-PIAF
TESTER CARD
(TSTB)
TESTER CARD-TSTH
VLTG. CONVTR.-VFCE
BIDIRCT. CNVR-BCCC
PULSE
DRIVER-PLDB
CRTD-CIRCUIT LVTB
LINNEAR VLTG BD. (LVTC)
FUNCTION
GENERATOR
CURRENT VLTG.-CVTB
CURRENT VLTG.-CVTC
CURRENT VOLTAGE CARD
(CVTD)
CURRENT VLTG.-CVTE
CURRENT VLTG.-CVTH
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