可编程控制器(Programmable
Controller)是计算机家族中的一员,是为工业控制应用而设计制造的。早期的可编程控制器称作可编程逻辑控制器(Programmable
Logic
Controller),简称PLC,它主要用来代替继电器实现逻辑控制。随着技术的发展,这种装置的功能已经大大超过了逻辑控制的范围,因此,今天这种装置称作可编程控制器,简称PC。但是为了避免与个人计算机(Personal
Computer)的简称混淆,所以将可编程控制器简称PLC
中央处理单元(CPU)是PLC的控制中枢。它按照PLC系统程序赋予的功能接收并存储从编程器键入的用户程序和数据;检查电源、存储器、I/O以及警戒定时器的状态,并能诊断用户程序中的语法错误。当PLC投入运行时,首先它以扫描的方式接收现场各输入装置的状态和数据,并分别存入I/O映象区,然后从用户程序存储器中逐条读取用户程序,经过命令解释后按指令的规定执行逻辑或算数运算的结果送入I/O映象区或数据寄存器内。等所有的用户程序执行完毕之后,Zui后将I/O映象区的各输出状态或输出寄存器内的数据传送到相应的输出装置,如此循环运行,直到停止运行。
为了进一步提高PLC的可行性,近年来对大型PLC还采用双CPU构成冗余系统,或采用三CPU的表决式系统。这样,即使某个CPU出现故障,整个系统仍能正常运行。
Cognex 620-G3A P-II SBC Ver: G3 Board /w Realtime ETS Kernel
Card PLC SISD 2
Miyachi Weld Checker MM-131B Module MM131B Unitek MM-1318
Technos MM1318 120V
Siemens SITOR VS AC Drive 6QG 3212-2AA00 6 90
A
ALLEN BRADLEY 1336-BDB-SP30C
ALLEN BRADLEY 1336-BDB-SP44C
ABB Bailey NCTM01
ABB Bailey Infi 90 Net 90 IEFAN01
Bailey NMPP02
ABB Bailey Infi 90 Symphony IMFEC12
Rosemount Flow Transmitter w/display 8732CT12N0M4T1
Bailey Mass Flowmeter Main PCB 6636917A1
Bailey MCS Reset Board 6636409A1
Bailey Module UC-AS3 6635045D1
ABB Bailey NAMM03 Analog Master Net 90
ABB Bailey Infi 90 Net 90 NKLM01 4 Loop Interface
Cable
ABB Bailey IMASM03 Analog Input Slav Module Infi 90
ABB Bailey Infi 90 IMDSI12 Digital Slave Input Module
ABB Bailey IMCIS12 Control I / O Input Slave Module
ABB Advant 3BHT3000025R1 DI650 Digital Input Module
ABB Advant 3BHT300007R1 DO630 Digital Output Module, 16 ch 250
VAC
Bailey Power Assembly pn: 6638763A1, or 1946949A8
ABB Bailey IPFAN11 MPSII Fan Module Infi 90, Symphony
ABB Advant 3BSE011180R PM511V0 Processor Unit
ABB Bailey IPFAN14 MPSII Fan Module Infi 90, Symphony
RIVA Runabout 2 Stroke in Water Stand with Wheel Kit
ABB Bailey NTCF03 Fiber Optic Communications Termination Unit
Electric to Optic
Foxboro M/65H Indicator 65HV-OHT-PI
Moore Series 61 Booster Relay Model 610F
Moore Series 63 Constant Differential Type Flow Controller
Model 63SU
Moore High Limit Relay Model 58 H
Moore High Accuracy Booster Relay Model 61 F
Foxboro 14A Flow Integrater
Foxboro Spec 200 Recorder 226s-26
Badger Research Valve 1/2'' SST 305 150 Flange # 236-Z
421
Badger Research Valve 1/2'' SST Model#
1002GCFCSSGOSFEPXX
Kepco Rack Mounted Power Module Supply HSF 24-6
Bailey IMDSI02 Infi 90 Digital Input Slave I/O Module
Kepco Rack Chassis Model RA 19 - 6 B
ABB Bailey Infi 90 Net 90 IMFBS01 Field Bus Slave Module
ABB Bailey Infi 90 IMAS001 Control Analog Output Slave
Module
ABB Bailey Harmony P-HA-REPFO10000 Repeater Communications
Module
ABB Bailey Infi 90 IMDS014 Control Symphony Digital Output
Module Used
ABB 800XA- 3BSE013208R1 Adapter Module Bus Cluster
TB820V2
ABB Bailey Infi 90 IEPMU02 Power Mounting Unit Hardware
ABB Bailey Infi 90 IEMMU02 Module Mounting Unit Hardware
Honeywell ST 3000 Smart Transmitter STD 624-E1A-00000
Bailey Level Transmitter Model PTSDLD1A1A1210C 3'' flange 150#
SS
Rosemount 8701 1PA060CIN5 6'' Magnectic Flowtube
Rosemount 8705 TSA030C3G1N5W0 3'' Magnectic Flowtube
Bailey ABB NDCS03 Digital Control Station, Used
Yokogawa Controller UT 550
Masoneilan 3705 Temperature Controller with Proportional,
probe and thermowell
Foxboro 8000 A Series Magnetic 1/2" Flow Tube
800HA-WCR-PSGFGZ-AG Ceramic Wafer
Foxboro 1/A Series Magnetic Flow Transmitter IMT25-PDADB1OM
STA
ABB Advant 3BHT300019R1 SA610 Processor Unit Power
Supply
ABB Advant 3BSE000566R1 AX670 Analog Mixed Module
ABB Advant 3BSE008062R1 Processor Unit PM633
Yokogawa Magnetic Flowmeter CYM202G-AB11LSA*B size 1''
Yokogawa Distributor Model SDBS - 140 * A
Rosemount Smart Temperature Transmitter 3144D1K5B4M5,
HART
Rosemount Magnetic Flowmeter Transmitter 8712CR12M4 Local
Operator Interface
Rosemount Magnetic Flowmeter Transmitter 8712CR12M4T1
w/Totalizer
Rosemount Alphaline Pressure Transmitter 1151AP 6E22MB
Rosemount Alphaline Pressure Transmitter 115 1 AP6E22 B2
Rosemount Alphaline Pressure Transmitter 115 1 DR2F22 D2
A3
Rosemount PressureTransmitter 1151 AP5E12B1
Rosemount PressureTransmitter 1151 AP6E22 M1B2
Rosemount Pressure Transmitter 1151DR2F22MB, 1151 Draft Range
2
ABB Bailey 800XA- 3BSE008516R1 AI810 Analog Input, 4-20mA 8
Channel
ABB Bailey 800XA- 3BSE008510R1 DO810 Digital Output, 24 volt
.5 Amp
Bently Nevada Case Expansion Indicator 7200 CE Series
72940-01-01-02-01-01
Bently Nevada Dual RTD Temperature Monitor 9000 Series
90199-22-02-06-03-02-01-0
Bently Nevada Ramp Diff Exp Monitor 7200 Series
72646-06-
Bently Nevada Valve Positioner Indicator 7200 VP-R Series
72938-01-02-01-01-01
Moore 68- 1 M4 M/F Computing Relay
Hach PS1201 Power Supply 12 V DC Network Connection Module P/N
52010-60
Magnetek For Westinghouse WDPF Power Supply WH 7D-2DF
Magnetek For Westinghouse WDPF Power Supply WH3D-2DF
Rosemount Smart Transmitter Model 1151DP4S, used Range 0-150"
H2O (37.3 kPa)
Rosemount Smart Transmitter Model 1151DP3S, used Range 30" H2O
(7.46 kPA)
Bailey Booster Relay P/N 5316500-2 ~ 3-15 psi, obsolete
Bailey Booster Relay P/N 5316500-1 ~ 3-27 psi, obsolete
Bently Nevada Thrust Monitor Series 7200 TP-R
72300-02-04-01-01-01-01
Bently Nevada Eccentricity Monitor 7200 EIPP Series
72975-03-03-01-01-01-01-01
ABB Advant 57160001-AAA DSDI 110A 450 System Digital Input
Board
ABB Advant 57120001-EY DSAO 120 450 System Analog Output
Module
ABB Advant 57160001-K DSDO 110 450 System Digital Output
Module
ABB Advant 3BSE012211R1 DSBC 174 450 System Bus Extender
Yokogawa 4 Pen Chart Recorder uR 1000
ABB Bailey NTCF02 Fiber Optic Communications Termination Unit
3KM to Electric
ABB Bailey Infi 90 Symphony IMFEC11
GE Multilin Power Management SR 750-P5-G5-S5-HI-A1-R
ABB Advant 3BSE002224R1 TC 625
ABB Bailey Symphony P-HC-DOC-00010000
ABB Advant 3BHT300051R1 A0650
ABB Bailey INNIS01
ABB Bailey Harmony P-HB-RMU-10010000 Repeater Mounting Unit
RMU, , Tested
ABB Bailey Harmony AIN220 P-HB-AIN-22010000, Analog Input
Tested
ABB Bailey Harmony Block IPBLC01 Power Supply 120 VAC 240 VAC,
Tested
ABB Bailey Harmony Block IPFLD24 Field Power Module 120 VAC
240 VAC, Tested
ABB Bailey IPECB11 Power Entry Circuit Breaker 120 VAC 240
VAC, 20A
ABB Bailey Infi 90 Net 90 NTMF01 Termination Unit
ABB Bailey Infi 90 Net 90 NTAI01 Analog Input Termination
Unit
ABB Bailey NTDO01 Infi 90 Net 90 Digital Output Termination
Unit
ABB Bailey NTCLO1 Infi 90 Net 90 Communication Link
Termination Unit
ABB Bailey Infi 90 Net 90 NTAM01 Analog Master Termination
Unit
ABB Bailey Infi 90 Net 90 NTST01 Time Synch Termination
Unit
ABB Bailey Infi 90 Net 90 NTAI03 RTD Input Termination
Unit
ABB Bailey Infi 90 Net 90 NTPL01 Plant Com LoopTermination
Unit
ABB Bailey Infi 90 Net 90 NTAI02 T/C Analog Input Termination
Unit
ABB Bailey Infi 90 Net 90 NTAI05 Analog Input Termination
Unit
ABB Bailey Infi 90 Net 90 NTAO01 Analog Output Termination
Unit
ABB Bailey NTDI01 Net 90 Infi 90 Digital Input Termination
Unit