KDA3.3-150-3-L00-W1
KDA3.3-150-3-L00-W1
KDA3.3-150-3-L00-W1
实现触摸屏与单片机的通讯，主要是解决通讯协议的问题。本文使用开放的Modbus通讯协议，以触摸屏作主站，单片机作从站。eView触摸屏本身支持Modbus通讯协议，如果单片机也支持Modbus协议，就可以进行通信了。触摸屏与单片机之间采用的RS-232C兼容接口直接连接，传输速率设置为9600kb/s。图1为该系统的电路图。
将PIC16F877单片机RC6、RC7口设置为异步串行通信模式，经过MAX232芯片将TTL电平转换为RS232电平，再与eView触摸屏PLC[RS-232]接口相连，即完成了硬件连接。eView触摸屏PLC[RS-232]接口的管脚2为TXD，管脚3为RXD。
备货，备货，降降降，火火火，火火火……
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Square D QMB Branch Switch 600 Amp QMB366W 600V Fusible
Fanuc A06B-0243-B805 AC Servo Motor A12/3000 3.0 kW NIB
Siemens/ITE 400A Switch Panelboard 240/120V Vacu-Break
General Electric GE QMR326 Disconnect Switch 600 Amp
General Electric GE 763B406G28 QMR Switch 600 A Amp
Westinghouse Sz 3 Combination Starter 2 Speed Reversing
Fanuc A06B-0128-B175 AC Servo Motor A6/3000 1.4 kW 3 PH
Foxboro I/A P0904AJ Table Top GCIO W/TS P0904 AJ
GE 735-5-5-HI-485 SR735 Feeder Protection Relay
Foxboro I/A P0911VW MIW GCIO W/TS WP20/30 P0911 VW
Fanuc A05B-2210-C011 MIG Eye Power Supply A05B2210C011
Allen Bradley 1336F-BRF200-AA-EN-HCS2-L9E 20HP AC Drive
Allen Bradley 1336F-BRF200-AA-EN-HCS2 20HP AC Drive
Square D Saflex SD78717 Busway Plug-In Unit 125 Amp Bus
Cutler Hammer CH Freedom Unitrol Advantage Size 4 MCC B
Westinghouse 400 Amp Bus Plug Fusible Switch ITAP365HG
Siemens Simodrive LT-Modul 80A 6SN1123-1AA00-0DA1 NIB
Federal Pacific QMQB7036R Panelboard Switch 600A QMQB
Federal Pacific QMQB7036R Panelboard Switch 600A QMQB
Strongarm 404-151000 S.S. 15.1" Flat Panel Display
Square D Transformer 118.5 kVA 460/460Y/266 3 PH 460 Y
Allen Bradley AB 1336F-BRF100 VS Drive MCC Bucket 30A
Westinghouse Transformer 150kVA 480Delta/208Y/120
Hammond Transformer 118kVA 460/460Y/265 118 kVA 3 PH Y
Explosion Proof Allen-Bradley Size 4 Starter 150A Combo
Allis-Chalmers LA-1600A 1600 Amp A Air Circuit Breaker
Cutler Hammer WH 400 A Amp Bus Breaker Switch IBP IBPKD
Modicon 467-NHP-811-00 Profibus-DP PCMIA 3 467NHP81100
Modicon 467-NHP-811-DP Profibus-DP PCMIA 3 467NHP811DP
Yaskawa ServoPack SGDB-60ADM 46.9A Servo Unit SGDB60ADM
Baldor DC Motor 30 HP 1750 RPM AD288AT DPFG SHUNT
Square D QMJ Branch Switch 600 A Amp QMJ366 Fusible
Westinghouse 400 A Amp Bus Plug Fusible Switch ITAP365H
Square D LX 225 Amp 225A A LX36225G LX36225 w LSIG Trip
Cutler Hammer CH 400A Panelboard Switch EESWR360400TB2
Square D Sz Size 5 Reverse Motor Starter 8536SGO1 480V
Square D HU366DS Safety Switch 600 Amp A 3R Stainless
GE MDP3120000DA Time Overcurrent Relay MDP 3120000DA
Siemens Marq 21 Size 4 Breaker Type MCC Bucket 150A
Square D I-Line Breaker LC36350 350Amp A 350A
Allen Bradley AB 1336S-B015-AN-EN-HAP-L6 15 HP AC Drive
Fanuc A20B-8001-0870/01A GE PC Board
Square D Mod 6 Motor Control Center Model 6 600 A MCC
Allen-Bradley AB Sz Size 6 GOD Contactor 4046
Square D I-Line Breaker LC36350 350Amp A 350A
Strongarm 650-151000 S.S. 15.1" Flat Panel Display
Strongarm 44-4004-0100 S.S. 15.1" Flat Panel Display
