140CPU67160

PLC控制系统软件设计步骤

(1)制定真空炉运行方案。根据热处理工艺的要求，分析热电偶、真空度等输入参数与控制接触器和固态继电器等的输出信号与各种操作之间的逻辑关系，确定需要检测的量和控制的方法。并设计出真空炉系统中各设备的操作内容和操作顺序。据此可画出流程图。

(2)画抽真空和温度控制流程图。

(3)制定PLC控制系统的抗干扰措施，比如电源隔离、外围电路的光电偶合。

(4)编写程序，根据被控对象输入如热电偶和输出信号如控制固态继电器的脉冲及所选定PLC型号，分配硬件资源，为梯形图的各种继电器或接点进行编号，再按照技术说明，用梯形图进行编程。

WESTINGHOUSE 2045A45G USPP 2045A45G

Westinghouse 4256A91G02 SUB N 3GHC13 WDPF Circuit Board

WESTINGHOUSE NL-1052 USPP NL1052

WESTINGHOUSE NCMZ-799 USPP NCMZ799

WESTINGHOUSE 3A99229G01 USPP 3A99229G01

WESTINGHOUSE 149D934G01 USPP 149D934G01

WESTINGHOUSE 292B335A10 USPP 292B335A10

WESTINGHOUSE S140D481G02 USPP S140D481G02

WESTINGHOUSE 4256A94G01 USPP 4256A94G01

WESTINGHOUSE 292B930A10 USPP 292B930A10

WESTINGHOUSE 2838A31G01 USPP 2838A31G01

WESTINGHOUSE PC-1200-1043 USPP PC12001043

WESTINGHOUSE 2840A78G01 USPP 2840A78G01

WESTINGHOUSE LARGE FUSIBLE DISCONNECTS 4160V,600 AMP

WESTINGHOUSE MC3600 USPP MC3600

WESTINGHOUSE WHUN363 USPP WHUN363

WESTINGHOUSE WHUN31 USPP WHUN31

WESTINGHOUSE A200M5CXXZ1 USPP A200M5CXXZ1

WESTINGHOUSE PC-1250-1042 USPP PC12501042

WESTINGHOUSE 292B315A12 USPP 292B315A12

WESTINGHOUSE 292B315A19 USPP 292B315A19

WESTINGHOUSE HFA3040 USPP HFA3040

WESTINGHOUSE 4256A88G04 USPP 4256A88G04

WESTINGHOUSE 293B414A11 USPP 293B414A11

WESTINGHOUSE NB2800PF USPP NB2800PF

WESTINGHOUSE 6966D21G01 USPP 6966D21G01

WESTINGHOUSE KD3350 USPP KD3350

WESTINGHOUSE 7379A62G02 USPP 7379A62G02

WESTINGHOUSE 772B388G55 NSFP 772B388G55

WESTINGHOUSE 1589A53G01 NSPP 1589A53G01

WESTINGHOUSE DS416-1200A-LSIG USPP DS4161200ALSIG

WESTINGHOUSE 7381A29G01 USPP 7381A29G01

WESTINGHOUSE 772B388-G56 NSPP 772B388G56

Cutler Hammer Westinghouse IQA6030 IQ Analyzer 2D82302G01

WESTINGHOUSE 7381A01G03 NSFP 7381A01G03

WESTINGHOUSE 382D719G06 USPP 382D719G06

WESTINGHOUSE 716B034A29 USPP 716B034A29

WESTINGHOUSE 7379A36G01 USPP 7379A36G01

WESTINGHOUSE 210P085H01-1 USPP 210P085H011

WESTINGHOUSE 772B452-G01 NSPP 772B452G01

WESTINGHOUSE V200M5CJC USPP V200M5CJC

WESTINGHOUSE A201K4CAG USPP A201K4CAG

WESTINGHOUSE A201K5CAZ1 USPP A201K5CAZ1

WESTINGHOUSE V201K5CJZ1 CONTACTOR *USED*

WESTINGHOUSE 293B307A15 USPP 293B307A15

WESTINGHOUSE 7379A18G01 USPP 7379A18G01

WESTINGHOUSE 7379A92G02 NSPP 7379A92G02

WESTINGHOUSE 772B388G55 NSPP 772B388G55

WESTINGHOUSE 7882C28G01 USPP 7882C28G01

WESTINGHOUSE 467A902G01 USPP 467A902G01

WESTINGHOUSE 289B145A31 USPP 289B145A31

WESTINGHOUSE HMA3600T NSPP HMA3600T

WESTINGHOUSE 772B388G48 USPP 772B388G48

WESTINGHOUSE 7381A01G01 USPP 7381A01G01

WESTINGHOUSE 772B388G29 NSPP 772B388G29

WESTINGHOUSE ITAP-365 USPP ITAP365

WESTINGHOUSE 4D33644G01 USPP 4D33644G01

WESTINGHOUSE NCMZ-1799 NSFP NCMZ1799

WESTINGHOUSE PC-1100-1011 NSFP PC11001011

WESTINGHOUSE 772B388-G56 USPP 772B388G56

WESTINGHOUSE 289B142A21 USPP 289B142A21

WESTINGHOUSE 289B142A25 USPP 289B142A25

WESTINGHOUSE NB3500P USPP NB3500P

WESTINGHOUSE 7381A93G01 USPP 7381A93G01

WESTINGHOUSE 289B142A15 USPP 289B142A15

WESTINGHOUSE 289B142A09 USPP 289B142A09

WESTINGHOUSE 289B141A13 USPP 289B141A13

WESTINGHOUSE VWS22HF3UH USPP VWS22HF3UH

WESTINGHOUSE 293B307A12 USPP 293B307A12

WESTINGHOUSE 772B388G57 USPP 772B388G57

WESTINGHOUSE 7381A01G04 USPP 7381A01G04

WESTINGHOUSE 772B388G52 USPP 772B388G52

WESTINGHOUSE 289B141A10 USPP 289B141A10