330130-040-00-00
【厦门莫格电气自动化有限公司】
★ABBRobots、FANUC Robots、YASKAWA Robots、KUKA Robots、KUKA Robots、
Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots等。
★ABB:工业机器人备件DSQC系列(中二中三,中四,S4C,IRC5)、Bailey-INFI90
等。
★Westinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件Invensys
★Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。
★Invensys Triconex:余容错控制系统、基于三重模件冗余(TMR)结构的zui现代化的容错控制系统。
★Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
★Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
★Motorola(摩托罗拉):MVME162、MVME167、MVME1772、 MVME177等系
:雷琳(销售工程师) 电 话 : 手 机;
:1982497648 ;
邮 箱:1982497648 传 真:(请备注雷琳收)
信号中的高频成分,防止交流采样发生混叠效应。交流工频信号的采集,一般以其有效值进行计算:,其中,N为1个周期内的采样点数330130-040-00-00 (本系统中取N=40),ui为第i个采样值。为了能够在1个工频周期内采样到40个点,需要每隔500 μs启动1次A/D转换。此过程可以用*的特殊触发事件来完成。将*的特殊触发事件设置成启动A/D转换,在程序中初始化*寄存器的值为0X1F4(500 ?滋s)即可。上述方法的缺点是在1个周期内的采样点数N为定值(40),而由于电网的波动,电网电压的频率可能会发生变化,会造成测量的误差,因此,为了进一步提高电压采集的精度,还使用了频率跟踪法。首先利用单片机测出交流电压的频率,然后根据频率来计算1个周期内的采样点数N,这样可以大大降低因频率变换而造成的测量误差。
2.4 通信接口
为了使控制器能够方便地与上层控制平台进行联网通信,实现控制器的远程控制、远程监控等功能,本设计为控制器添加了通信接口,采用简单经济、广泛应用于工业上的RS485总线与外界进行通信。RS485采用差分信号进行传输,有较好的抗*力,通过转换模块很容易实现从RS485到RS232的信号转换,从而便于和上位计算机通信。选用了Maxim公司的MAX485芯片作为通信控制的主要器件,其工作电源为+5 V,采用半双工通信方式,能够将TTL电平转换为RS485电平,内部包含了1个驱动器和1个收发器,通过串口可以方便地与PIC16F884进行通信。MAX485的接口电路如图5所示。
2.5 其他部分接口
消防检测:控制器设有一组无源消防信号的输入端子,信号输入采用光耦隔离,以提高抗*力。并且带有一组无源反馈信号输出端子可将开关的到位信号返回到消防设备。
LCD显示:控制器的人机界面由LC D(1602)和发光二极管(LED)组成。控制器的各种工作状态和工作模式通过相应的LED显示。通过LCD和按键组成的人机交互方式对控制器的各种参数和工作状态进行相应的查询、修改和设定等操作。
电机切换:利用三极管的开关电路驱动相应的继电器动作,从而实现电机的启动、停机、正转和反转等。
开关状态检测:利用开关检测电路可以使控制器对系统中各个开关状态进行实时监控,以便发出各种准确的控制命令。
3 软件设计
程序采用C语言,在MPLAB+ICD2的开发环境下进行编写,控制程序采用模块化设计。主要模块有:系统初始化、A/D采集、*频率测量、开关状态检测、显示报警、输出驱动、系统参数整定和存储等。系统的控制软件流程图如图6所示。
4 可靠性和稳定性分析
智能型双电源开关控制器主要运用在一些对供电质量要求较高的场合,因此,控制器的稳定性和可靠性是设计的重点和难点。本系统中有强电和弱电共存且相互影响的情况,为了提高系统抗*力,各个部分都采用了光电隔离和滤波技术。在系统中增加专门的滤波模块以保证系统的稳定性。系统的电源采用双线圈输出的变压器,使得系统电源和信号通道保持物理上的隔离。另外,还采用了软件滤波和看门狗等技术以增强系统的可靠性。
本系统所设计的智能型双电源开关控制器能够对两路电源的过压、欠压和缺相进行准确的检测和监控,能够自由、精确地在两路电源中自动切换,有广泛的使用价值和广阔的市场前景。
Dell H726F Poweredge Perc 6/i SAS Raid Controller Card PCI/E w/ Cable, Lot of 2
Dell H726F Poweredge Perc 6/i SAS Raid Controller Card PCI/E w/ Battery + Cable
Dell PowerEdge 1900 PERC 5/i GT281 RAID Controller Card W/ Cable + Battery
IBM ServeRAID 8k Adapter Option 25R8064 For IBM x3500, x3550, x3650, Lot of 5!
Lucent Excel EXS-MIO-1201 67-3400-07
Lucent Excel EXS-DS3-1000 68-3510-12
Excel LNX-CPU-1100 68-2065-00
Dell Inspiron 560 Desktop PC Dual Core E5500 2.8Ghz 6GB DDR3 320GB DVDRW Radeon
Adaptec P/N 25R8064 IBM ServeRAID SAS Controller w/Battery 25R8088 Lot of 10!
Comtrol RocketPort 5002265 uPCI Octa PCI
HP P410 512MB Battery Backed Write Cache (BBWC) 462975-001
HP P410 P411 HP462976-001 462975-001 512MB (BBWC) 462975-001 460499-001 Battery
HP 504022-001 Smart Array Raid Card Controller W/ Cables and Battery
IBM 80P4544 Emulex 2GB PCI-X FC Host Adapters, Lot of 12
Equinox 700-329-508 SST-8P
Adaptec IBM 25R8064
NEW IN BOX ALLEN BRADLEY SLC 500 THERMOCOUPLE INPUT MODULE 1746-NT8 (155-3)
DYNAMATIC ASSY 5-588-1 REV A EATON CONTROLLER (149-1)
FRESH TAKEOUT ALLEN BRADLEY 100-C09D*10 CONTACTOR RELAY (N1-1)
NEW NO BOX ALLEN BRADLEY MICROLOGIX 24VDC SOURCE OUTPUT 1762-OB16 (M3-1)
JOHNSON CONTROLS XPB-821-5 INPUT MODULE (L1-1)
ALLEN BRADLEY FLEX I/O MODULE 1794-IF41 W/ WIRING BASE 1794-TB3 (134)
NEW IN BOX DWYER PRESSURE TRANSMITTER 626-12-CH-P1-E5?-S1 0-200 PSIG (RR6-2)
ALLEN BRADLEY FLEX I/O MODULE 1794-ACNR15 REDUNDANT MEDIA ADAPTER SER C (161)
GOOD USED CUTLER HAMMER D100 PROGRAMMABLE CONTROLLER D100CR14 (WL23-2)
NEW IN BOX AGASTAT TIMING RELAY 7022PD 120 VDC 5-50 SEC (278-1)
GOOD USED PANELVIEW 600 ALLEN BRADLEY 2711-K6C5 SER C PLC (WL30)
AGASTAT TIMING RELAY 2424AC 120V 60C .8-15SEC (BIN84)
ALLEN BRADLEY GOOD PLC MODULE 1771OB SER C (PP5)
NEW JOHNSON CONTROLS H-4100-203 HUMIDOSTAT REVERSE ACTING H-4100-6203 (C3-3)
FRESH TAKEOUT ALLEN BRADLEY MICROLOGIX DIGITAL OUTPUT MODULE 1762-OB16 (N1-1)
ALLEN BRADLEY FLEX I/O MODULE 1794-OW8 W/ WIRING BASE 1794-TBNF (126)
ALLEN BRADLEY FLEX I/O MODULE 1794-OF41 W/ WIRING BASE 1794-TB3T (300)
NEW IN BOX DWYER 616C-8 DIFFERENTIAL PRESSURE TRANSMITTER (BIN98)
NEW IN BOX SIEMENS MILLTRONICS PRE-AMPLIFIER RAM-2 7MH71450A (FF3)
NEW IN BOX ALLEN BRADLEY 1336-QOUT-SP12B SER B TSTR ASSY RENEWAL PARTS (160-1)
GOOD USED RELIANCE ELECTRIC DUAL INPUT CARD 52711-4 052711-4 (WL12-1)
GOOD USED PAYNE SOLID STATE POWER CONTROL 18TBP-1-10 120 VAC (PP1-1)
GOOD USED ELECTICAL BOARD 77131-350-06 A (149-1)
FISHER VERSA BATH (N6)
FRESH TAKEOUT AUTOMATION DIRECT DRIVE GS2-42PO (WL42)
GOOD USED CHEMETICS C/PS BOARD 079511 REV C (WL43)
FIFE GUIDE P25-1H22A1A -1H22XA NEW! NEW! MOTOR IS 1/2hp (32)
ALLEN BRADLEY 100-C0910 SER A W/ 100-F SER A CONTACT (G3-6)
CUTLER HAMMER USED CURRENT TRANSFORMER 1500:5 42-3072-10 (I6)
NEW ALLEN-BRADLEY DELAYED ONE SHOT MODULE 60-1794 SER B (F2-3)
NEW IN BOX FARMERS ELECTRIC PA3 LOGIC MODULE (DR1H-3)
NEW IN BOX DANFOSS LOWER PRESSURE CONTROL KP1 SPDT SWITCH AUT RESET (S7-1)
LOT OF 3 NEW IN BOX OPTO 22 DIGITAL I/O MODULE OAC5 (DR2B-1)
NEW IN BOX SEL-9501 2307 CONTACT ARC SPPRESSOR 125 VDC (L1-1)
GOOD USED 1771-A3B1 SER A 12 SLOT I/O RACK CHASSIS FOR MODULES PLC (Q7)
NEW IN BOX ALLEN BRADLEY 837-N5 SER A TEMPERATURE CONTROL ASSESSORY (286-1)
GOOD USED CTC PARKER AUTOMATION POWER STATION RS MONITOR PM1-5E1-XD5 (C7)
USED FENWAL CONTROLLER 55-103140-340 MODEL 551 (T6-1)
HONEYWELL DIALAPAK INDICATOR AV101AA232 120V 50/60HZ 0-100SQRT ACTU4-20MA(F6)
BENTLY NEVADA VGA DISPLAY I/O MODULE 147663-01 (L1-2)
NEW IN BOX ALLEN BRADLEY SLC 500 ANALOG INPUT MODULE 1746-NI4 (280-15)
NEW IN BOX DWYER PRESSURE TRANSDUCER 626-19-GH-P1-E4?-S1 (RR6-2)
GOOD USED M-SYSTEM CURRENT TRANSMITTER CT-5A-D 0-5A AC 4-20mA DC (PP1-1)
NEW IN BOX ATHENA TEMPERATURE CONTROLLER 16-KC-B-B-10-00 (O1-1)
LOT OF 2 YASKAWA DIGITAL OPERATOR PANEL JVOP-114 (H2-5)
NEW** MOORE PLC 15212-11 PLC LOGIC CONTROLLER 1521211 (331)
NEW IN BOX MOORE CONSTANT DIFFENTIAL FLOW CONTROL 63BD 2881S12 (WL14-1)
ARROW HART 6265 ANGLE PLUG 15A 125V 2P 3W GRD NEW IN PACKAGE (322)
GOOD USED TOLEDO SCALE CONTROLLER 9360 (N1)
GE FANUC IC600 BF830K ADV I/0 RCVR WITH FACEPLATE IC600 FP830K (I1-1)
GOOD USED POTTER BRUMFIELD CLB-51-70030 0.3 TO 30 SEC 10 AMP (278-1)
GE 44A737246-G01 PS37A1 2964014600 DCN-146 (I1-2)
VINTAGE BRYANT INDICATOR LIGHTS (1BLUE 1 GREEN)(BIN84)
NEW KM 14BC 222 THERMOMETER 2" 99 20/220 F&C 4" STEM (CC2-4)
ALLEN BRADLEY PANELVIEW PLUS 1000 2711P-RDB10C COLOR KEY/TOUCH DISPLAY (M1)
GOOD USED NCC PROGRAM CONTROL DNC-T1327-60M 120 VAC 50/60 HZ (WL43)
NEW, Western Pacific I-E-2MQR Timer 115Volts Freq. 60 (W2-2)
CYBEREX 41-09-62949-2 EPO SHUNT TRIP PCB BOARD NEW? (TT2)
NEW NO BOX BANNER VALU-BEAM SMA91E (D4-1)
LIEBERT TERMPERATURE CONTROL TU M1M1 TUM1M1 020-0085 (D4)
USED EIT SERIES 6800 RACK PROGRAMMER 8-CHANNEL PADDLE (YY2)
USED FDC-4300 TEMPERATURE CONTROLLER USERS MANUAL SELF TUNE FUZZY PID (OO1)
NEW LTABS CROSSNET 834341C V.35 DA CHAN 83.4341C MODULE (O4)
DURAG FAIL SAFE SHUTTER CONTROL D-SK AE 115V 117514 NO BOX NEW (I6)
NEW NO BOX BANNER VALU-BEAM SMA91ESR (D4-1)
New, Johnson Controls T-4054 Thermostat (303-1)
SELF CHECK UV SCANNER FIREYE UV EYE 45UV5 MOD 1000 NICE USED CONDITION (WL8)
PROGARD MULTIGAS DETECTOR and PUMP MODULE (119-1)
NEW NO BOX PAYNE SOLID STATE POWER CONTROL 18TBP-1-10 120 VAC (PP1-1)
2 SPEED ALLEN-BRADLEY 507-AJB-A2E-6P-?39 5HP 2SPEED COMBINATION STARTER (35)
ALCO CONTROLS RX-174 GR-1003 FLANGE SET 1-1/8" ODF NEW IN BOX (TT2)
FRESH TAKEOUT ALLEN BRADLEY SLC 150 EXPANSION UNIT 1745-E151 (N1-1)
NEW** VOLLAND-RELIANC?E ELECTRIC 0-51486-7 RELAY CARD GP2000 (331)
USED KESSLER-ELLIS KEPTROL DPFCA RATE-TOTAL CONTROLLER 10VA 115VAC 50/60HZ (282)
NIB** ALLEN-BRADLEY Z-21135 COIL COVER SIZE 1&2 CONTACTOR SERIES K (253)
HAMMOND TYPE 12 ENCLOSURE B15 2R242416 24X24X16 (OR45)
MTL 634 LOOP POWERED IS INDICATOR BAS NO. EX84B2158 USED NO BOX (SS4)
HONEYWELL INSERTION THERMOSTAT NEW -40-160 LP914A (I5)
NEW FROST CONTROLS PRCM-M-1-TD-M-1 PLUG IN PHOTOELECTRIC CONTROL 117VAC (111-1)
NEW?? ALLEN BRADLEY PHOTSWITCH CONTROL BASE 60-1610B SER B (CC6)
ATHENA TEMPERATURE CONTROL MODEL # 74-3V-16F USED (PP2)
NEW MALE TERMINAL INSERT MS232 16 PIN (147-1)
NEW ZIATECH 96-POINT DIO INTERFACE BOARD ZT 89CT61 REV 0 (145-2)
NEW IN BOX EMECANIQUE LB1LBP06 PROTECTION MODULE 1-1.6A (106)
JOHNSON CONTROLS DAMPER ACTUATOR D-3153-1 8 TP 13 PSI SPRING (S5)
LOT OF 5 POWEREX SCR PHASE CONTROL T51004800 4AQ 8346 (140-2)
GE FANUC CIRCUIT BOARD IC600 R8753K RPU PROCESSOR W/ FACEPLATE IC600 FP7 (I1-1)
CYBEREX CIRCUIT BOARD 41-98-61061 REV C PC61060-1 REV A RBBS 0101-2860 (H4-1)
GE FANUC IC600 CB524K CIRCUIT BROAD WITH FACEPLATE IC600 FP500K (H4-1)
GOOD USED FENWAL THERMOSWITCH 17002-0 (DR1H-3)
NEW IN BOX CHROMALOX BODINE ADJUSTABE SPEED TORQUE CONTROL 835 TYPE FPM (201)
GOOD USED ISLATROL ELITE IE-110 ACTIVE TRACKING FILTER 120VAC 47-63HZ 10A (O1-2)
GOOD USED KELE & ASSOCIATES CURRENT TRANSFORMER 1000:5 500T-102 (I4)
NEW IN BOX QMARK HEATER THERMOSTAT UHMT-1 (WL12-2)
BRADLEY CORP WASH FOUNDATION REPAIR KIT S45-050 NEW (Z4-1)
GE FANUC IC600 BF948P I/O COM CTL WITH FACEPLATE IC600 FP943K (H4-1)