设计plc应用系统时，首先是进行plc应用系统的功能设计，即根据被控对象的功能和工艺要求，明确系统必须要做的工作和因此必备的条件。然后是进行plc应用系统的功能分析，即通过分析系统功能，提出plc控制系统的结构形式，控制信号的种类、数量，系统的规模、布局。最后根据系统分析的结果，具体的确定plc的机型和系统的具体配置。

全球疯狂低价甩卖

rexroth servo valve 4wrke32w260021/6a24ez9/d3mr rebuilt

sy7120-5dd-02平价电磁阀

sy7120-5dd-02平价电磁阀

sy7120-5dd-02平价电磁阀

rexroth servo valve 4wrte25qz-350p-31/6bg24z31/wb173vr

rexroth servo valve 4wrte-27e-500l-41/6eg24tk31/a5m~nr!

parker d3fhe80ycnbj0020x6048 servo valve rebuilt

indramat mdd093b-n-040-n2m-110ga2 servo motor nos

rexroth 4wraeb6ea25-11/g24n9dk26/mr valve

rexroth servo valve 4ws2em10-45/10b2et315k8bm rebuilt

parker n0342fe-ktqn servo motor

parker compumotor cm233xe-00147 servo motor

reliance 1326ab-b410g-21 servo motor w/warranty

rexroth dbete-61/200g24k31a1v valve nos

rexroth vt-dfpe-a-21/g24k0/0a0v/v valve rebuilt

new yuken amd-l25-s-d24-3505 lvdt amplifier nos

rexroth 4wse3ee16-15/315v servo valve nos

nos bosch 0811 404 146 valve nib 0811404146

nos bosch 9810231081 directional control valve nib

yaskawa sgms-15aca-tv11 servo motor utoph-250wa encoder

new parker d41fse01c4vxp020 d1fve02bcvxw20 prop valve

vickers ehst-3-bve-11 prop pressure cont. valve rebuilt

moog 303-030a servo motor 11,000 rpm used - warranty

indramat mkd071b-061-gp1-kn servo motor - warranty

moog 304-235 servo motor used - warranty

emerson positioning servo drive fx-6120 rebuilt/tested

indramat servo motor mhd115a-058-pp1-an used

gettys servo motor m33y-sn0y-y004-1b used

indramat servo motor mhd115a-058-pp1-bn used