3HAC025887-001
3HAC025887-001
3HAC025887-001
3HAC025887-001
變頻器提供三種不同的工作方式供用戶選擇：
方式0：基本工作方式。變頻器始終固定驅(qū)動(dòng)一臺(tái)泵并實(shí)時(shí)根據(jù)其輸出頻率：控制其他輔助泵啟停。即當(dāng)變頻器的輸出頻率達(dá)到最大頻率時(shí)啟動(dòng)一臺(tái)輔助泵工頻運(yùn)行、當(dāng)變頻器的輸出頻率達(dá)到最小頻率時(shí)則停止最后啟動(dòng)的輔助泵。由此控制增減工頻運(yùn)行泵的臺(tái)數(shù)。
方式1：交替方式，變頻器通常固定驅(qū)動(dòng)某臺(tái)泵，并實(shí)時(shí)根據(jù)其輸出頻率，使輔助泵工頻運(yùn)行，此方式與方式0不同之處在于若前一次泵啟動(dòng)的順序是泵1→泵2，當(dāng)變頻器輸出停止時(shí)，下一次啟動(dòng)順序變?yōu)楸?→泵1。
方式2：直接方式。當(dāng)啟信號(hào)輸入時(shí)變頻器啟動(dòng)第一臺(tái)泵當(dāng)該泵達(dá)到最高頻率時(shí)，變頻器將該泵切換到工頻運(yùn)行，變頻器啟動(dòng)下一臺(tái)泵變頻運(yùn)行，相反當(dāng)泵停止條件成立時(shí)，先停止最先啟動(dòng)的泵。
3.2 PID的調(diào)節(jié)功能
由壓力傳感器反饋的水壓信號(hào)(4-20MA或-5V)直接送入PLC的A/D口(可以通過手持編程器)，設(shè)定給定壓力值，PID參數(shù)值，并通過PLC計(jì)算何以需切換泵的操作完成系統(tǒng)控制，系統(tǒng)參數(shù)在實(shí)際運(yùn)行中調(diào)整，使系統(tǒng)控制響應(yīng)趨于完整。
3.3“休眠”功能
系統(tǒng)運(yùn)行時(shí)經(jīng)常會(huì)遇到用戶用水量較小或不用水(如夜晚)情況，為了節(jié)能，該系統(tǒng)專用設(shè)置了可以使水泵暫停工作的“休眠”功能，當(dāng)變頻器頻率輸出低于其下限時(shí)，變頻器停止工作，2＃、3＃泵不工作，水泵停止(處于休眠狀態(tài))。當(dāng)水壓繼續(xù)升高時(shí)將停止1泵，當(dāng)水壓下降到一定值時(shí)將先啟動(dòng)變頻器運(yùn)轉(zhuǎn)2＃泵或3＃泵，當(dāng)頻率到達(dá)一定值后將啟動(dòng)1＃泵調(diào)節(jié)2?；?＃泵的轉(zhuǎn)速。
“休眠值”變頻器輸出的下限頻率PR507設(shè)置。
“休眠確認(rèn)時(shí)間”用參數(shù)PR506設(shè)置，當(dāng)變頻器的輸出頻率低于休眠值的時(shí)間如小于休眠時(shí)間td時(shí)，即td＜tn時(shí)變頻器繼續(xù)工作，當(dāng)td＞tn時(shí)變頻器將進(jìn)入休眠狀態(tài)。 “喚醒值”由供水壓力下限啟動(dòng)，當(dāng)供水壓力低于下限值時(shí)由PLC發(fā)出指令喚醒變頻器工作。
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FIREYE 72D1R1 D-SERIES AMPLIFIER INFRA-RED AUTO CHECK廈門光沃熱賣.低價(jià)銷售
FIREYE 72DIR1 REMAN. INFRARED AMPLIFIER 72DIR1廈門光沃熱賣.低價(jià)銷售
FIREYE MED1 MicroM DAUGHTER BOARD W/LOCAL RESET SWITCH廈門光沃熱賣.低價(jià)銷售
FIREYE ED550-2 REMOTE CABLE廈門光沃熱賣.低價(jià)銷售
FIREYE ED550-3 REMOTE CABLE廈門光沃熱賣.低價(jià)銷售
FIREYE 60-1764 MODERNIZATION ADAPTER廈門光沃熱賣.低價(jià)銷售
FIREYE 60-2107 SERVICE ADAPTER WIRING BASE廈門光沃熱賣.低價(jià)銷售
FIREYE FLAME SAFEGUARD CHASSIS SEMI-AUTOMATIC 70D40廈門光沃熱賣.低價(jià)銷售
Fireye 61-3060 Closed Frame Surface M Wiring Base廈門光沃熱賣.低價(jià)銷售
FIREYE MED4 MicroM DAUGHTER BOARD W/DISPLAY OUTPUT.RRST廈門光沃熱賣.低價(jià)銷售
Fireye Modernization Adapter 60-2060-16,廈門光沃熱賣.低價(jià)銷售
Fireye 45UV5-1005 Self Check UV Scanner廈門光沃熱賣.低價(jià)銷售
Fireye U.V. Flame Scanner UV1A3-B廈門光沃熱賣.低價(jià)銷售
FIREYE MC120廈門光沃熱賣.低價(jià)銷售
FIREYE UV1A3 ULTRAVIOLET FLAME MONITOR廈門光沃熱賣.低價(jià)銷售
FIREYE 72DRT1 D-SERIES AMPLIFIER FLAME RECTIFICATION廈門光沃熱賣.低價(jià)銷售
Fireye Program Module Type 71D60廈門光沃熱賣.低價(jià)銷售
FIREYE YB110UV BURNER LOGIX CHASSIS, AMPLIFIER廈門光沃熱賣.低價(jià)銷售
FIREYE 70D30 FLAME SAFEGUARD CHASSIS廈門光沃熱賣.低價(jià)銷售
FIREYE Solid State Burner Management Ser D 70D10 72D1R1廈門光沃熱賣.低價(jià)銷售
FIREYE ED610 CABLE ADAPTER BOARD廈門光沃熱賣.低價(jià)銷售
FIREYE 70D10 FLAME SAFEGUARD CHASSIS廈門光沃熱賣.低價(jià)銷售
USAF C-130 HERCULES Fireye Fire Detector 1955 Print 廈門光沃熱賣.低價(jià)銷售
FIREYE ED600 CABLE ADAPTER BOARD廈門光沃熱賣.低價(jià)銷售
FIREYE 60-2060-4 MODERNIZATION ADAPTER, PDR 4廈門光沃熱賣.低價(jià)銷售
Fireye 38-58 Flame Signal Meter Used廈門光沃熱賣.低價(jià)銷售
FIREYE POWER SUPPLY MBLPS-100D 120V USED (S5C)廈門光沃熱賣.低價(jià)銷售
FIREYE Solid State Burner Management Ser D 70D10廈門光沃熱賣.低價(jià)銷售
FIREYE ED550-6 REMOTE CABLE廈門光沃熱賣.低價(jià)銷售
Fireye MT60-10 Timing Card 60s Purge 10 Max MT6010廈門光沃熱賣.低價(jià)銷售
FIREYE MERT1 FFRT .8 Flame Amplifier Module 廈門光沃熱賣.低價(jià)銷售
Fireye 4-263 Firetron Cell 廈門光沃熱賣.低價(jià)銷售
FIREYE E500-3 COMMUNICATION INTERFACE FOUR UNIT INPUT廈門光沃熱賣.低價(jià)銷售
FIREYE BURNERLOGIX BLPS-300 PRESSURE SENSOR 0-300 PSIG廈門光沃熱賣.低價(jià)銷售
1 NIB FIREYE MEP561 PRORAMMER MODULE廈門光沃熱賣.低價(jià)銷售
FIREYE FLAMEWORX II MBUVS-301D UV SELFCHECK MODULE (S5C廈門光沃熱賣.低價(jià)銷售
Fireye 1 Micro Headphone Amplifier廈門光沃熱賣.低價(jià)銷售
Fireye 72D1R1 Autocheck - Infraered 廈門光沃熱賣.低價(jià)銷售
Fireye 70D40 120V Burner Management Control Series 廈門光沃熱賣.低價(jià)銷售
FIREYE 72DUV1 D-SERIES AMPLIFIER FLAME ULTRAVIOLET AMP.廈門光沃熱賣.低價(jià)銷售
FIREYE 26CF6 (5022 A) FLAME DETECTOR RELAY BURNER 廈門光沃熱賣.低價(jià)銷售
Fireye High Voltage Power Supply Din Rail MBHPS100D廈門光沃熱賣.低價(jià)銷售
FIREYE FLAME SAFEGAURD CHASSIS 70D20 NEW 120V廈門光沃熱賣.低價(jià)銷售
Fireye 38-55 Flame Signal 3855 HORIZONTAL METER 廈門光沃熱賣.低價(jià)銷售
FIREYE ED500 DISPLAY MODULE廈門光沃熱賣.低價(jià)銷售
Fireye Program Module Type 71D90.廈門光沃熱賣.低價(jià)銷售
FIREYE MED5 MicroM DAUGHTER BOARD W/DISPLAY OUTPUT/COMM廈門光沃熱賣.低價(jià)銷售
Fireye PS348-6, PS-348-6 Pressure Sensor廈門光沃熱賣.低價(jià)銷售
FIREYE 60-1508-2 OFF DELAY TIMING MODULE BOARD CARD廈門光沃熱賣.低價(jià)銷售
Fireye MT20-10 Prepurge Timer廈門光沃熱賣.低價(jià)銷售
FIREYE MED3 MicroM DAUGHTER BOARD W/REMOTE 廈門光沃熱賣.低價(jià)銷售
Fireye D-Series Amplifier UV Self Check 72DUVS1廈門光沃熱賣.低價(jià)銷售
1960's Fireye Sales Data Spec Sheet Combustion Controls廈門光沃熱賣.低價(jià)銷售
FIREYE 71D80 D-SERIES PROGRAMMER USE W/70D30廈門光沃熱賣.低價(jià)銷售
FIREYE 71D90 D-SERIES PROGRAMMER USE W/70D30廈門光沃熱賣.低價(jià)銷售
FIREYE MEC120R CHASSIS WITH REMOTE RESET廈門光沃熱賣.低價(jià)銷售
FIREYE ED510, ED -510 MODULE FOR USE EP PROGRAMMERS廈門光沃熱賣.低價(jià)銷售
