福建中立恒自动化设备有限公司
一、摘要 PLC是一种专门在工业环境下应用而设计的数字运算操作的电子装置。
它采用可以编制程序的存储器，用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令，并能通过数字式或模拟式的输入和输出，控制各种类型的机械或生产过程。PLC及其有关的外围设备都应按照易于与工业控制系统形成一个整体，易于扩展其功能的原则而设计。在工业生产的各个领域，机械加工企业为了提高生产效率，采用机械化流水作业的方式，对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代，生产线承担的加工对象也随之改变，这就需要改变控制程序，使生产线的机械设备按新的工艺过程运行，而继电接触器控制器系统是采用固定接线，很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多，随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。
发展趋势：1.向高速度、大容量方向发展
为了提高PLC的处理能力，要求PLC具有的响应速度和更大的存储容量。目前，有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。
在存储容量方面，有的PLC可达几十兆字节。为了扩大存储容量，有的公司已使用了磁泡存储器或硬盘。
2.向超大型、超小型两个方向发展
当前中小型PLC比较多，为了适应市场的多种需要，今后PLC要向多品种方向发展，特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC，其使用32位微处理器，多CPU并行工作和大容量存储器，功能强。
以下链接皆有货
HONEYWELL A-5 SENSOTEC SENSOR 060-F498-02A5G
Honeywell Braukmann Water Softening System PW198-Z15 Power Supply PSA 4015
Honeywell Burner Control ST7850 A 1122
HONEYWELL BZE7-2RN2-B SPDT ROLLER LEVER MICRO SWITCH 15A @ 480VAC
HONEYWELL BZE7-2RN-PG LIMIT SWITCH
HONEYWELL C6045D-1043
HONEYWELL C7027A 1056 MINI-PEEPER U.V. SENSOR FLAME DETECTOR 50052243-005 REV A
HONEYWELL C7061A1038 DYNAMIC SELF-CHECK ULTRAVIOLET FLAME DETECTOR C7061
Honeywell Centra TIGER Controller LINE CLTG38L11 / *24VAC
Honeywell Centra TIGER LINE CLTG38L11 / *24VAC Controller
Honeywell Correcting Mirror FF-SPZ01MIR
Honeywell Corrective Mirror FF-SPZ01MIR
HONEYWELL EC7850A1122 BURNER CONTROL
HONEYWELL EC7850A1122 BURNER CONTROL REV F
Honeywell FF-SRE30812
HONEYWELL FF-SRE60292 EXTENSION MODULE 0056870
HONEYWELL FPG PRESSURE TRANSDUCER 060-G626-06
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HONEYWELL KROM SCHRODER DL150A-31 PRESSURE SWITCH FOR AIR 84444880
Honeywell Light Barriers FF-SPS4 / FF-SPR44CR2
HONEYWELL LKS 130-09 (A5-5 S1) SERVO MOTOR ACTUATORS
HONEYWELL MEASUREX 053574-02 RS422 CURRENT LOOP COMMUNICATIONS BOARD
HONEYWELL MEASUREX 053605-00 LAMP SUPPLY COLOR SENSOR 05360500
HONEYWELL MEASUREX 053606-00 STEPPER MOTOR DRIVER COLOUR TYPE 2 BIC5 REV D
HONEYWELL MICROSWITCH 11NT1-2
HONEYWELL MICROSWITCH 922AA3XMA9PL
HONEYWELL MICROSWITCH JS-31
HONEYWELL MS4120A1209 SPRING RETURN DIRECT COUPLED ACTUATOR S20120-2POS-SW2
HONEYWELL OTB122 JUNCTION BOX 00780-A-0100
Honeywell Proximity Sensor 945-F4Y-AD-001 / *-S0048
HONEYWELL PVB4022AS-E BACNET PROGRAMMABLE VAV CONTROLLER
HONEYWELL R4343 E1006 FLAME SWITCH
HONEYWELL R7861A1026 7800 SERIES DYNAMIC SELF-CHECK ULTRAVIOLET FLAME AMPLIFIER
HONEYWELL RM7890 B 1014 AUTOMATIC PRIMARY BURNER CONTROL
HONEYWELL RS232-RS422 ISOI OPTISK ISOLATOR REV 2.0
HONEYWELL S702PF IR VIEWING HEAD FOR FLAME MONITOR
Honeywell S7800A1001 Keyboard Display Module
HONEYWELL S7820A 1007 REMOTE RESET MODULE REV D
HONEYWELL SEIGER 05701-A-0301 SINGLE CHANNEL CONTROL CARD 5701
HONEYWELL SENSEPOINT XCD GAS DETECTOR DISPLAY MODULE 3001B0521
HONEYWELL SF16 UV/IR FLAME DETECTOR SF16-SS-MA420-4-S WITH SWIVEL MOUNT ASSEMBLY
HONEYWELL SIEGER 05701-A-0301 SINGLE CHANNEL CONTROL CARD 5701
HONEYWELL SIEGER 05701-A-0302 SINGLE CHANNEL CONTROL CARD 5701
HONEYWELL SPXCDALMTXF SENSEPOINT XCD GAS DETECTOR TRANSMITTER
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HONEYWELL SPXCDALMTXT SENSEPOINT XCD GAS DETECTOR TRANSMITTER IP66
HONEYWELL SPXCDASMTXF SENSEPOINT XCD GAS DETECTOR TRANSMITTER
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Honeywell VE4032A1000 Solenoid Gas Valve, 1 1/4", 220-240 V, 200 mbar, IP54
Honeywell VE4050A1002 Solenoid Gas Valve, 2", 220-240 V, 200 mbar, IP54
HONEYWELL XCD IR & FL POWER PCB CARD CP-M05-1043(FL)4912
HONEYWELL ZAREBA SENSEPOINT H2S GAS DETECTOR
HONSBERG FF-015GR004S-1 FLOW SWITCH 06SN007248
HOPPE 08.96 HOP_I01B PCB MODULE HOP-I-01A
HOPPE BORD-MESSTECHNIK AH_RP03D TANK METER
HOPPE BORD-MESSTECHNIK AH-BF03B ANTI HEELING SYSTEM PCB CARD LP AH_BF04A
HOPPE BORD-MESSTECHNIK FEED WATER MODULE
HOPPE BORD-MESSTECHNIK FRESH WATER MODULE
HOPPE BORD-MESSTECHNIK HFO 1 S TEMPERATURE MODULE
HOPPE BORD-MESSTECHNIK HFO 2 P TEMPERATURE MODULE
HOPPE BORD-MESSTECHNIK HFO TK 1 P MODULE
HOPPE BORD-MESSTECHNIK HFO TK 1 S MODULE
HOPPE BORD-MESSTECHNIK HFO TK 2 P MODULE
HOPPE BORD-MESSTECHNIK HFO TK 2 S MODULE
HOPPE BORD-MESSTECHNIK MDO DAILY MODULE
HOPPE BORD-MESSTECHNIK MDO SETTL. MODULE
HOPPE BORD-MESSTECHNIK MDO STOR .P MODULE
HOPPE BORD-MESSTECHNIK MDO STOR. S MODULE
HOPPE BORD-MESSTECHNIK OVER FLOW MODULE
HOPPE HCG2011 M04 P1 PRESSURE SENSOR
HOPPE HCG2011 M04 P1 PRESSURE SENSOR 3A PS WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 M04 P1 PRESSURE SENSOR 3B SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 0-7500 MMLC
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 1 F WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 1A PS WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 1A SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 26 SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 29A WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 2A PS WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 2A SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 3A SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 4A SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 4B PS WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 5A2 PS WITH B5-EB-00037-Z_12.00 CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 5B PS WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 5B SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR 6B SB WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR CX WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR F.P. WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HCG2011 MO4 P1 PRESSURE SENSOR WITH B5-EB-00037-Z_12.00 SENSOR CABLE
HOPPE HOMIP-IFC-514 DISPLAY WITH IMCA RAD8-01C BOARD & 2962793 INTERFACE MODULE
HOPPE HOP_0I1B PCB MODULE HOP-O-01A
HOPPE IMCA RAD6-01A PCB MODULE RAD-6
HOPPE IMCA RAD6-01A PCB MODULE RAD-6 V1.0
HOPPE IMCA RAD-8 ANALOG INPUT BOARD
HOPPE IMCA RAD8_01A INTERFACE BOARD RAD8 V0.4
HOPPE LAUER EPC GX 840TC ANTI ROLLING SYSTEM TOUCH PANEL
HOPPE MARINE IMCA RDIO-12 DIGITAL INPUT OUTPUT PCB MODULE SL12_01B
HOPPE MARINE RAD-8 ANALOG INPUT BOARD F-02536-03003
HOPPE-BMT AH_RP03A ANTI HEELING SYSTEM
HOPPE-BMT AH_RP03B ANTI HEELING SYSTEM AH4248
HOPPE-BMT AH_RP03D ANTI HEELING SYSTEM
HOPPE-BMT AH_RP03D DRAUGHT METER
HOPPE-BMT LP AH_NT01C PCB CARD NT-01C
HOPPE-BMT LP AH_UP02A PCB CARD
HORN EL 151 LIMIT SWITCH EL151023/47
HORN EL 151023/47 LIMIT SWITCH 101955
HORN MDA 3122013 MAIN BEARING TEMPERATURE MONITOR MODULE
HORNER ELE. HE693RTD600M
HORNER HE599DIM610A SMARTRAIL 16PT DC INPUT MODULE
HORNER HE599DIQ512A SMARTRAIL 8/8PT DC IN / RELAY OUTPUT MODULE
HORNER HE693ASC900H ASCII BASIC MODULE
HORNER HE693RTM705C RTU MASTER MODULE
HOSE-MCCANN 9690 BELL
HOSE-MCCANN HM-DSDC-7003 DUAL SUPERVISION CARD FOR AMPLIFIER
HOSE-MCCANN HMUM-HSIS-30 PUBLIC ADDRESS HORN 6520-144
HOSE-MCCANN TELEPHONE SYSTEM CHASSIS
HOSE-MCCANN UM-ASTM-7002 TERMINAL CCA 50-PIN RT.ANGLE PCB CARD
HOSE-MCCANN UM-GASV-7005-459 GENERAL ALARM CARD UM-GASD-7001
HOSIDEN TW-22 94V-0
Hot air fan ECOFIT 2GRA15 97x42L Q06-34 120 m3 / h 150 - 220°C 230V / 50Hz
HOT AIR GUN HANDLE BRACKET
HOUSTON DIGITAL HDI013B BACKLIGHT MEMBRANE PCB CARD HDI013BS515BKT42
HOUSTON DIGITAL HDI2200M901MEMAA CPI MEMBRANE CONTROL PANEL FOR CHOKE