PSM01.1-FW對(duì)模仿傳感器查看輸入和模仿操控信號(hào)進(jìn)行電氣屏蔽和阻隔。在變頻器構(gòu)成的控
制體系規(guī)劃進(jìn)程中,主張盡量不要選用模仿操控,格外是操控間隔大于1m,跨操控
柜設(shè)備的狀況下。因?yàn)樽冾l器通常都有多段速設(shè)定、開(kāi)關(guān)頻率量輸入輸出,能夠滿
足請(qǐng)求。假如非要用模仿量操控時(shí),主張必定選用屏蔽電纜,并在傳感器側(cè)或許變
頻器側(cè)完結(jié)遠(yuǎn)端一點(diǎn)接地。假如攪擾依舊嚴(yán)峻,需求完結(jié)DC/DC阻隔辦法。能夠選用
規(guī)范的DC/DC模塊,或許選用對(duì)v/f變換光阻隔,再選用頻率設(shè)定輸入的辦法。 變頻
器本身抗攪擾疑問(wèn)提出幾點(diǎn)處理辦法: 當(dāng)變頻器的供電體系附近,存在高頻沖擊負(fù)
PSM01.1-FW載如電焊機(jī)、電鍍電源、電解電源或許選用滑環(huán)供電的場(chǎng)合,變頻器本身簡(jiǎn)略因?yàn)?br />
攪擾而呈現(xiàn)維護(hù)。主張用戶選用如下辦法:
S29412 Square D Powerpact Undervoltage trip 48VDC
CUTLER HAMMER Contact Kit 6-35-2 6352 Citation SZ3 rplc
SQD SQUARE D Circuit Breaker FC34035 FC 3P 480V 35A
NENL34050 Merlin Gerin Square D 3P 50A 480V GJL34050
GJL36030M04 Square D Circuit Breaker GJL 30A Mag-Guard
QMB321TW SQUARE D Fusible Panel Mount Switch 30A 240V
QDP3125TM SQUARE D Powerpact Circuit Breaker 125A 240V
RV321 Siemens Fusible Bus plug 30A 240V 3W
CH CUTLER HAMMER Circuit Breaker JS360150A 3P 150A 600V
FB3020 Cutler Hammer N1 enclosed circuit breaker 20A 3P
MERLIN GERIN Circuit Breaker CF250NA 250A 3P 37034
HDL36040 Square D Circuit Breaker 40A 3P 600V HDF36040
MERLIN GERIN Circuit Breaker CF250NA 250A 3P 37018
QGA222022 Square D Circuit Breaker 20A 240V 2P I-Line
CUTLER HAMMER Circuit Breaker UVR UVH2RT21K 24VDC JD
SQD SQUARE D Circuit Breaker KAL26070 2P 70A 600V KAL
SQUARE D Circuit Breaker FC34100 3P 480V 20A 65K I-LINE
CH CUTLER HAMMER Circuit Breaker HFD3050L 50A 600V 65K
CUTLER HAMMER Contact Kit 6-43-6 6436 Freedom SZ3 rplce
SQD SQUARE D Circuit Breaker FC34050 FC 3P 480V 50A
LC1F150 TELEMECANIQUE Contactor LC1-F 250A 240V Coil
S01JLD6 SIEMENS Shunt Trip 120V JD LD LMD take out