SVA004aAT-486Ea

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选择深圳长欣,选择放心,售后无忧
大量现货,当天顺丰发货!
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描述

SVA004aAT-486Ea

  数据经DTU发送到移动GPRS网络上的CGSN后,移动的GPRS网络与Internet有通道接口,因此,移动CGSN服务器可将数据经Internet再转发到数据中心服务器或者是路由器上。为了保证数据在移动网络到数据中心路由器之间传输的安全性,笔者使用了VPN功能。该功能在数据中心路由器和移动出口网关服务器之间建立VPN的GRE隧道,保证这两点之间数据传输的安全性,不被他人在中途进行信息窃取、修改。
    移动GPRS网络传输送来的各换热站数据经Internet,通过ADSLModem信号解调经防火墙检测后送达路由器VPN解密后,再将解密后的数据包转发到指定的数据中心服务器上进行数据接收处理,与此同时数据中心服务器担负着向各换热站发送相应控制指令数据的任务。各客户机从数据中心服务器上取得数据在各自的人机界面软件上完成对各换热站的监视控制、报警、历史曲线等功能。
    此外,在调度中心网络中,网关机与全厂MIS网络连接,负责把热网的各种运行参数送到MIS网上,供上一级相应MIS软件完成数据分析、数据挖掘等功能,大大提高热网运行的经济性。在这里,网关机与MIS网数据服务器的数据接口选用OPC,该接口使用方便、调试配置十分简单。

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 Switch Male DIN P01909

NEW PARKER BI-PRESSURE PUMP CONTROL FPS-213

Parker hydraulic filter assembly , pressure switch 18p

PARKER PRESSURE REDUCING HYDRAULIC VALVE PRM3PB25KN 32

PARKER PRESSURE REDUCING HYDRAULIC VALVE PRM3PAH-20HY

PRESSURE REDUCING RELIEF VALVE, PARKER #PR101S10-C3F

Parker SensoControl Senso Control SCP-8181 Pressure

NEW PARKER VERIFLO IR501B6P0140458​0 PRESSURE REGULATOR

*NEW* Parker Senso Control Pressure Controller #SCPSD

Parker grade 10 Hi pressure filter element 10CWC08-033

Parker 1/2″ remote pressure valve SS121050 NIB
One-day shipping available

MAZAK PARKER PRESSURE REGULATOR UNIT

PARKER VERIFLO 43200648 PRESSURE TRANSDUCER

Parker Veriflo Pressure Regulator Valve 45100064 SS

New Parker Veriflo Pressure Regulator 43800745 Series

Parker Veriflo Pressure Regulator Valve 742793

Ewal/Parker Titan II 1/4″ Pressure Actuation Valve

Parker 71216SN2FU00 Skinner Valve Pressure Vessel

PARKER PRM2PP07LN 42 HYDRAULIC PRESSURE CONTROL VALVE

Parker MPS Convum PRESSURE Switch P6N-PG(11)

Parker sandvik high pressure hydraulic filter housing

2669 NEW Parker A4AZ Inlet Pressure Regulator

PARKER REFRIDGERANT INLET PRESSURE REGULATOR A8 A81

Parker pressure regulator 8311

Parker TFE 919-5 Stainless Steel High Pressure 1/4 Hose

PARKER PRESSURE REGULATOR

PARKER HYDRAULIC PRESSURE REDUCING VALVE ~NEW~SURPLUS~

2 NIP NEW PARKER PRESSURE SWITCH PS1-P1091 81099

Parker 035632000B Pressure Regulator

PARKER 9S HI PRESSURE SWIVEL PS1690106-16-16

NEW PARKER BVHP08SSS1NA HIGH PRESSURE BALL VALVE
Expedited shipping available

PARKER PRESSURE REGULATOR 035631000B

PARKER PRESSURE REGULATOR 035642000B

PARKER 035642000B PRESSURE REGULATOR 5-125 PSIG NEW

Parker Valve, pressure relief VR74FSF3SK

Parker Parflex 560-10 5/8″ Medium Pressure Hose 50′

PARKER UHP VALVE…VALVE PRESSURE 150 PSI MAX.

PARKER HYDRAULIC PRESSURE REDUCING VALVE ~NEW~SURPLUS~

Ewal/Parker 1/4″ Inline Needle Pressure Air/Gas Valve

PARKER 07R313AC 1/2″ 250PSI AIR PRESSURE REGULATOR

3957 NEW Parker PR101S20 Hyd Pressure Reducer Valve

7 NEW PARKER VERIFLO PRESSURE RELIEF VALVE 110ST100

PARKER HI PRESSURE LIVE SWIVEL

Veriflo PARKER Gas / Pressure Valve Diaphragm

PARKER PRESSURE REGULATOR 5-125 PSIG

PARKER HHR1 SANDWICH PRESSURE REGULATOR W/GAUGE NEW

PARKER SCHRADER 0-60 PSIG 035600200 PRESSURE GAUGE NIB

PARKER HANNIFIN PARFLEX HIGH PRESSURE HOSE ASEMBLY

Parker Hydraulic Pressure Filter 5W353 925580

PARKER PNEUMATIC – PRESSURE REGULATOR 06R213AB 250PSI
Expedited shipping available

NEW PARKER 07R324VC PRESSURE REGULATOR

NEW – Lot of 10 – Parker 3/8″ Brass Low Pressure Valve

PARKER A1 CONSTANT PRESSURE EXPANSION VALVE

PARKER PNEUMATIC PRESSURE REGULATOR 3/8″ Ports 06R213AC
Expedited shipping available

PARKER PRESSURE FLOW CONTROL # PCK1020S-11

PARKER CONVUM DIGITAL PRESSURE SENSOR MPS-P32N-PG

PARKER PRESSURE REGULATOR

Parker-Finite Pneumatic pressure regulator F06R313AC

PARKER ASIC PERFORMER PRESSURE TRANSDUCER TRANSMITTER

PARKER ASIC PERFORMER PRESSURE TRANSDUCER TRANSMITTER

PARKER HI PRESSURE LIVE SWIVEL

PARKER 035632000B PRESSURE REGULATOR NIB

New Parker Pressure Regulator 06R216AC 250 PSI P-Max

Parker 71215SN2EN00 Pressure Vessel USED Free Ship

Parker Pressure Reducing Manapak Flow Control Valve NIB

NIB PARKER 71215SN2EN00 PRESSURE VESSEL ORIFICE 3/64

Parker No-Skive High Pressure Hydraulic Hose 304-1 NIB

International NEW Parker Pressure Switch 379502 FR SHIP

New Parker GP-111-03 Pressure Gauge 0-160 PSI Regulator

PARKER PNEUMATICS PRESSURE OIL AIR HYDRAULIC CYLINDER

Parker Schrader Pressure Regulator Gauge 035600200

NIB PARKER PNEUMATIC PRESSURE REGULATOR 14R013FC 1/8″ F

PARKER FOR TOTAL CONTROL WHEN THE PRESSURE’S ON 20713

Parker Veriflow Air Pressure Regulator Valve HFR902W

Parker PS1-P1091 Pneumatic Pressure Switch Line Mounted

Carrier Parker Differential Pressure sensor

Lot of PARKER POLYFLEX HIGH PRESSURE FITTING Qty 4 NEW

NEW LOT INDUSTRIAL PARKER HIGH PRESSURE HOSES 2600PSI

NEW PARKER PNEUMATIC REMOTE PILOT SIGNAL PRESSURE VALVE

PARKER AIR PRESSURE with POLYCARBONATE BOWL & GAUGE

PARKER FINITE DIFFERENTIAL PRESSURE INDICATOR DPI-13

PARKER PRESSURE REGULATOR 1/4″ 035602000B 5-125PSIG

NEW! Parker 3/8″ Bronze Hydraulic Pressure Hose *

PARKER A2-11390 CONSTANT PRESSURE EXPANSION VALVE

4 used PARKER 3/8″ TUBE X 3 HIGH PRESSURE TEE

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。