PRD-P306250E-45

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描述

PRD-P306250E-45

空调系统的控制主要分为继电器控制系统、直接数字式控制(DDC)系统和可<a>编程序控制器(PLC)系统等级几种。由于故障率高、系统复杂、功耗高等明显的缺点,继电器控制系统已逐渐被淘汰。DDC控制系统虽然在智能化方面有了很大的发展,但由于其本身抗干扰能力差、不易联网、信息集成度不高和分级分步式结构的局限性,从而限制了其应用。相反,PLC控制系统以其运行可靠、使用维护方便、抗干扰能力强、适合新型高速<a>网络</a>结构等显著的优点,在智能建筑中得到了广泛的应用。为了提高空调系统的经济性、可靠性和可维护性,目前空调系统都倾向于采用先进、实用、可靠的PLC来进行控制[3]。
    本文介绍和利时公司永宏PLC在水源热泵空调控制系统中的成功应用,说明了永宏PLC可以很好地实现中央空调智能化控制,达到减少无效能耗、提高能源利用效率和保护空调设备的目的。

产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。

主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB   ,AB  ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS  PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA
  专业销售进口DCS  PLC系统备件模块 15天包退换 一年质保 大量现货  国内实力库存商家

Parker Pressure Comp Flow Control 3000PSI # PCMS1600S

Parker Pressure Comp.Hydraulic Flow Control 3000PSI PCM

Parker Hydraulic Pump Pressure Comp Piston 32GPM P2075P

PARKER HYDRAULIC PRESSURE REDUCING VALVE~NEW~SURPL​US~

PARKER 422-8-RL MEDIUM PRESSURE HYDRAULIC HOSE 1/2″

PARKER PR3MM Pressure Reducing Valve

NEW PARKER R6PH PRESSURE CONTROL VALVE

3 Parker Low Pressure Regulators SQMICRO130E602P​FSMM

Parker Hydraulic Pressure/Temp CompFlow Control FG3PKCA

PRESSURE REDUCING GAUGE VERIFLO PARKER NPR73530W4PXFSM

Parker Proportional Pressure Valve NIB

New Overstock Parker A4ADB Pressure Regulator Valve

Parker Low Pressure Regulator SQ2MICRO0302PFS​MM New

NEW PARKER PRESSURE SWITCH SCPSD-250-04-17
With 90 warranty

Parker 240′ 1/2″ Low Pressure 250 PSI Rubber Hose 801-8

PARKER PRESSURE REGULATOR VALVE – REFRIGERATION

Parker RAS-600-S4 RAS600S4 RAS600S Pressure Valve NEW
One-day shipping available

Parker Hydraulic Pressure Compensated Flow Control

Parker RAS600S Pressure Control Valve RAS600S
One-day shipping available

Parker Flo Con SportII37 Refrigerant Pressure Regulator

Parker Flo Con SportII79 Refrigerant Pressure Regulator

Parker Flo ConSportII911 Refrigerant Pressure Regulator

Parker PRC3MM Pressure Control Valve Hydraulic
Expedited shipping available

8523 NEW Parker A4AD Pressure Regulator

Parker 214′ 1/2″ Low Pressure 250 PSI Rubber Hose 801-8

2658 NEW PARKER A4AD Refrigerant Pressure Regulator

Parker PR-1-4114-2 High Purity Pressure Regulator
One-day shipping available

PARKER PSB040AF1A HYDRAULIC PRESSURE SWITCH NIB

Parker PR-3-4118-1 ½” PTFE Pressure Regulator

Parker 959100W2PFSMM High Pressure Regulator NEW
One-day shipping available

PARKER PRESSURE DRIVER CARD 801179 **NICE**

PARKER PRM3AA25KNS 50 PRESSURE CONTROL VALVE New

Parker Hydraulic Pump Pressure Comp Piston 5GPM #PAV10

Parker BC10BMV 10 pressure control Valve NNB BC10BMV10

PARKER PRDM3PP02SVS PRESSURE REDUCING VALVE 315 BAR NEW

Parker Hydraulic Pump Pressure Comp Vane 45D10L1A1B1AC

Parker Veriflo Pressure Regulator
One-day shipping available

Parker 3000 PSI Hyd Pressure Cylinder 03.25JJ2HTS #6078

Parker Oildyne OE4-SBHS-5K Hydraulic Pressure Switch

Parker Convum MPS-R3F5-NC Stainless Pressure Sensor New
Expedited shipping available

PARKER A810E FLO-CON OUTLET PRESSURE REGULATOR 85272

New Parker Manapak Pressure Reducing Valve PRM3PA17KN32
One-day shipping available

PARKER REGULATOR BACK PRESSURE, BR-3-1168-2

Parker Low Pressure Regulator SQMICRO130E602P​FSMM New

Parker Low Pressure Regulator SMSQ2MICRO30102 New

Parker Hyd Pressure Reducing Valve PRDM2PP16SUS (NIB)

NEW PARKER VERIFLO DSG HP PRESSURE REDUCING REGULATOR

NEW, PARKER PRESSURE REDUCING VALVE PR800SM-20KE

Parker RAS-600-S4 RAS600S4 RAS600S Pressure Valve USED
One-day shipping available

Parker hydraulic pressure reducing valve FM3DDKN-50

Parker Hydraulic Pressure Reducing Valve

Parker Hydraulic Ring ASB250AF1A4 Pressure transducer

Parker Schrader Bellows Pressure Regulator 3568-2000

7134 NEW Parker A4A Pressure Regulator 1″

Parker Pressure Reducing Valve AR FM3DDKN 55

Parker Pressure Reducing Valve DR FM3DDKN 55

Parker 621B-6 Pressure Control Valve 621B6 USED
One-day shipping available

Parker PRDM2PP16SVG, Pressure Reducing Valve NEW

Parker PRDM2BB16LVM, Pressure Reducing Valve NEW

Parker PRDM2BB02LNM, Pressure Reducing Valve NEW

Parker PRDM2PP02LNM, Pressure Reducing Valve NEW

PARKER 626092 OILDYNE PRESSURE SWITCH 0E4-SBKS-44K NEW
Expedited shipping available

PARKER HYDRAULIC PRESSURE REDUCING VALVE PRDM2PP16LNS
Expedited shipping available

PARKER PRDM2PP16SVGX79​7 PRESSURE REDUCING VALVE NIB

PARKER HYDRAULIC PRESSURE REDUCING VALVE R6PM

PARKER MODEL A4A PRESSURE REGULATOR 2 1/2″ NEW

PARKER PRM3PP25K HYDRAULIC PRESSURE CONTROL VALVE

Parker Flo-Con By-Pass Pressure Regulator SM080128 NIB

Parker 41975 20-20 Clamp SAE flange high pressure

Parker Pressure Filter F3-15P-1-40SA-E​S-50-XX-11-80

Parker PRM3PAH-20GB Pressure Reducing Valve

Parker PR400SHV Pressure Reducing Valve

NOS! PARKER REMOTE PRESSURE AIR VALVE CWJ12501

NEW Parker Hydraulic Filter 932630Q High Pressure

Parker D39DW11C4N89 75, PRESSURE REGULATION VALVE , NEW

PARKER VERIFLO IR400S4PG PRESSURE REDUCING REGULATOR

NOS! PARKER REMOTE PRESSURE VALVE CC1225B

LOT PARKER VERIFLO PRESSURE TRANSDUCER SWITCH DWYER

Parker Oil Pressure Regulator Control Valve A4AL; *A7

Parker high pressure clamp flange elbow 41775-16-16

Parker 41575 16-16 Clamp SAE flange high pressure 1 in

Parker Pressure Regulator P3NRA1PBPP

Parker 035682000B Pressure Regulator

Parker Veriflo 944AOPLPNOSFSFF High Purity Low Pressure

PARKER HIGH PRESSURE BALL VALVE # BV3H06S2SS1N

PARKER 035662000B PRESSURE REGULATOR 5-125 PSIG NEW

Pressure Pump Inlet Filter **NEW** Part#1J2-5

Parker Flo-Con Pressure Regulator A7-A

PARKER H2 1/2″ SAFETY PRESSURE RELIEF VALVE REFRIGERANT

Parker 73212BN52N00 3/4″ Skinner Pressure Vessel 2-Way

Parker Scrader Bellows Pressure Regulator 035662000B

PARKER FP2AUS14 250 PRESSURE 1.000 STROKES AIR

Parker Veriflo IR4205 Stainless High Pressure Regulator

Parker Veriflo 1/4″ Pressure Regulator (SQ2MICRO130E60​)

PARKER REMOTE PRESSURE VALVE CC1225B 150 PSI DO 1/4″

Parker Pressure Regulator 72-130
Expedited shipping available

PARKER Flo-Con Pressure Regulator A8-AOE

5 PARKER SENSOCONTROL PRESSURE SWITCH SCPSD-600-04-07

3 NEW PARKER MANAPAK PRESSURE CONTROL VALVES PRM2PP07KN

LOT 2 PARKER PRESSURE REGULATOR MASTER PNEUMATIC FILTER

parker bvhp12bss1na HIGH PRESSURE BALL VALVE

Parker PRM3 PP17K Pressure Reducing Valve 150-2500 PSI

NEW PARKER FLO-CON BYPASS HOT GAS PRESSURE REGULATOR A9

PARKER/SCHRADER BELLOWS PRESSURE REGULATOR 035662000B

PARKER FLO-CON A7 PRESSURE REGULATOR 400 PSI
One-day shipping available

A810E Parker FLOCON 1-3/8″ Outlet Pressure Regulator
One-day shipping available

2683 NEW Parker 201673 Pressure Regulator

PARKER HYDRAULIC PRESSURE REDUCING VALVE V-21 FT

New Parker CPOM2AAV55X Pilot-Oper. Pressure Check Valve
Expedited shipping available

NIB PARKER BVHP16SSS1NA HIGH PRESSURE BALL VALVE
Expedited shipping available

Parker 035643000B Pressure Regulator NEW Free Shipping
One-day shipping available

Parker Hydr. Pressure Reducing Module D03 # BD03PNR-A

PARKER 1/4 NPT CONTROLLED PRESSURE SAFETY THUMB LEVER

Parker hydraulic cylinder model C2H19 PRESSURE 3000

New Parker 06E21A18AC Filter Regulator w/Pressure Gauge

Parker 3/8″ S. Air Dual Pressure Switch New

Parker Hannifin Hydraulic Pressure Control Valve 3000

Parker Pressure Switch Male DIN P01909

PRESSURE REDUCING RELIEF VALVE, PARKER #PR101S10-C3F

Parker SensoControl Senso Control SCP-8181 Pressure

NEW PARKER BI-PRESSURE PUMP CONTROL FPS-213

PARKER PRESSURE REDUCING HYDRAULIC VALVE PRM3PB25KN 32

专业销售进口DCS  PLC系统备件模块

PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗

15天包退换 一年质保 大量现货  国内实力库存商家


选择深圳长欣,选择放心,售后无忧大量现货,当天顺丰发货!
主营:本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。

先介绍几点经验。
1、先通读一遍“系统手册”(不管能不能看懂,先了解个大概,以便学习编程时查找);
2、由位控逻辑入手,逐渐增加定时、计数等条件,把或、与、非关系理顺;
3、进而练习整数运算、实数运算、类型转换;
4、量程转换、PID调节回路的建立及P、I、D参数的理解(最好是有个物理回路验证,比如变频器+电机+测速传感器);
5、循环、顺序、跳转等程序控制(尽量避免跳转,非跳不可时也是跳的越近越好);
6、中断、通讯、位置控制....

本人以ABB工业机器人配件DSQC系列和Motorola MVME系列,GE 卡件 模块 驱动器系列为主攻。各位电工朋友可根据自己的条件选择适合自己的PLC品牌,由于PLC的基本框架大同小异,学会一种至于其它的学习起来也就简单了。