描述
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。
ALLEN BRADLEY 1336S-BRF100-AA-EN4 SER. D **USED**
Allen-Bradley 1391B-AA15 1391BAA15 ser D 1391 AC servo
ALLEN BRADLEY SIZE 5 – 509-FOD, *CONTACTOR ONLY*
460-480V / 60HZ COIL # CF273
ALLEN BRADLEY SIZE 5 – X-234271 CONTACTOR 75A86 120v60h
SQUARE D NEMA SIZE 5 TYPE SGO-1 CONTACTOR 31096 400-24
440-480V / 50-60HZ / COIL # 31096 400-24
ALLEN-BRADLEY 1771-NB4T/A HIGH RES. ISOLATED ANALOG SER
WESTINGHOUSE GCA 630 2066A10G01 CONTACTOR size 6
440-480V / 60HZ COIL # 62050A12G156
Allen-Bradley 1745-DEMO-3 1745DEMO3 ser A GOOD!
Reliance Electric MD65 6MDDN-024102 15HP 460 NEW IN BOX
Telemecanique Altistart 3 ATS23D72N ATS 23D72N GOOD!
Allen-Bradley 2705-T21J3 2705T21J3 Pushbutton station
Toshiba Tosvert-130 G3 60HP 460v 130G3 GOOD!
Square D Powerlogic CM4000 CVM Circuit monitor GOOD!
TB Wood’s E-TRAC AC Inverter WFC4050-0C WFC 050-0C GOOD
