4控制系统硬件设计

控制系统由上位机(ipc)、下位机(plc)和外部电路控制组成，通过以太网将上位机和下位机连接，完成液压伺服系统。环境条件变化由仪表控制，通过rs485与上位机通信，控制系统框图如图3所示。

图3液压脉冲试验机控制系统框图NIB FLOW EZY 1605-07C FILTER, PARKER 1366

NIB GRAPHICConTROLS 82S430 RECORDING CHARTS 20 ROLLS TOTAL

ALLEN BRADLEY 1791D-0B16PX COMPACT BLOCKDC OUTPUT MODULE SER C 95758601 OB16PX

PLASTIC PROCESS EQUIPMENT STCK-272 

NIB APC 0L232 LITERATURE KIT FOR SU3.6G

SIGNET SCIENTIFIC COMPANY P57540 

NIB ABB KENT-TAYLOR 500P1225-137% 

JOHNSON CONTROLSP-5210-1 TRANSMITTER 30HC-30PSI 102 TO207 kPa

DICKSON P226 PENS, 6-PACK 

NIB TREND WIKA TI.20 BImetaL THERMOMETER2.5" STEM, 20-240 F/C, 1/4" NPT, TI20

NIB REOTEMP MODEL BBImetaL THERMOMETER(5" BACK/RESTET) RANGE: 0-250F STEM: 6''

NIB MINCO FG110-1 SPRING LOADED PROBE HOLDER FG1101 0705

RELIANCE ELECTRIC 0-55307-1E 

GAI-TRonICS 12586-004 WEATHERPROOF STATION HARNESS ASSEMBLY KIT 733-001A