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3HAC025887-001
3HAC025887-001
3HAC025887-001
3HAC025887-001
变频器提供三种不同的工作方式供用户选择：
方式0：基本工作方式。变频器始终固定驱动一台泵并实时根据其输出频率：控制其他辅助泵启停。即当变频器的输出频率达到最大频率时启动一台辅助泵工频运行、当变频器的输出频率达到最小频率时则停止最后启动的辅助泵。由此控制增减工频运行泵的台数。
方式1：交替方式，变频器通常固定驱动某台泵，并实时根据其输出频率，使辅助泵工频运行，此方式与方式0不同之处在于若前一次泵启动的顺序是泵1→泵2，当变频器输出停止时，下一次启动顺序变为泵2→泵1。
方式2：直接方式。当启信号输入时变频器启动第一台泵当该泵达到最高频率时，变频器将该泵切换到工频运行，变频器启动下一台泵变频运行，相反当泵停止条件成立时，先停止最先启动的泵。
3.2 PID的调节功能
由压力传感器反馈的水压信号(4-20MA或-5V)直接送入PLC的A/D口(可以通过手持编程器)，设定给定压力值，PID参数值，并通过PLC计算何以需切换泵的操作完成系统控制，系统参数在实际运行中调整，使系统控制响应趋于完整。
3.3“休眠”功能
系统运行时经常会遇到用户用水量较小或不用水(如夜晚)情况，为了节能，该系统专用设置了可以使水泵暂停工作的“休眠”功能，当变频器频率输出低于其下限时，变频器停止工作，2＃、3＃泵不工作，水泵停止(处于休眠状态)。当水压继续升高时将停止1泵，当水压下降到一定值时将先启动变频器运转2＃泵或3＃泵，当频率到达一定值后将启动1＃泵调节2＃或3＃泵的转速。
“休眠值”变频器输出的下限频率PR507设置。
“休眠确认时间”用参数PR506设置，当变频器的输出频率低于休眠值的时间如小于休眠时间td时，即td＜tn时变频器继续工作，当td＞tn时变频器将进入休眠状态。 “唤醒值”由供水压力下限启动，当供水压力低于下限值时由PLC发出指令唤醒变频器工作。
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FIREYE Solid State Burner Management Ser D 70D10厦门光沃热卖.低价销售
FIREYE ED550-6 REMOTE CABLE厦门光沃热卖.低价销售
Fireye MT60-10 Timing Card 60s Purge 10 Max MT6010厦门光沃热卖.低价销售
FIREYE MERT1 FFRT .8 Flame Amplifier Module 厦门光沃热卖.低价销售
Fireye 4-263 Firetron Cell 厦门光沃热卖.低价销售
FIREYE E500-3 COMMUNICATION INTERFACE FOUR UNIT INPUT厦门光沃热卖.低价销售
FIREYE BURNERLOGIX BLPS-300 PRESSURE SENSOR 0-300 PSIG厦门光沃热卖.低价销售
1 NIB FIREYE MEP561 PRORAMMER MODULE厦门光沃热卖.低价销售
FIREYE FLAMEWORX II MBUVS-301D UV SELFCHECK MODULE (S5C厦门光沃热卖.低价销售
Fireye 1 Micro Headphone Amplifier厦门光沃热卖.低价销售
Fireye 72D1R1 Autocheck - Infraered 厦门光沃热卖.低价销售
Fireye 70D40 120V Burner Management Control Series 厦门光沃热卖.低价销售
FIREYE 72DUV1 D-SERIES AMPLIFIER FLAME ULTRAVIOLET AMP.厦门光沃热卖.低价销售
FIREYE 26CF6 (5022 A) FLAME DETECTOR RELAY BURNER 厦门光沃热卖.低价销售
Fireye High Voltage Power Supply Din Rail MBHPS100D厦门光沃热卖.低价销售
FIREYE FLAME SAFEGAURD CHASSIS 70D20 NEW 120V厦门光沃热卖.低价销售
Fireye 38-55 Flame Signal 3855 HORIZONTAL METER 厦门光沃热卖.低价销售
FIREYE ED500 DISPLAY MODULE厦门光沃热卖.低价销售
Fireye Program Module Type 71D90.厦门光沃热卖.低价销售
FIREYE MED5 MicroM DAUGHTER BOARD W/DISPLAY OUTPUT/COMM厦门光沃热卖.低价销售
Fireye PS348-6, PS-348-6 Pressure Sensor厦门光沃热卖.低价销售
FIREYE 60-1508-2 OFF DELAY TIMING MODULE BOARD CARD厦门光沃热卖.低价销售
Fireye MT20-10 Prepurge Timer厦门光沃热卖.低价销售
FIREYE MED3 MicroM DAUGHTER BOARD W/REMOTE 厦门光沃热卖.低价销售
Fireye D-Series Amplifier UV Self Check 72DUVS1厦门光沃热卖.低价销售
1960's Fireye Sales Data Spec Sheet Combustion Controls厦门光沃热卖.低价销售
FIREYE 71D80 D-SERIES PROGRAMMER USE W/70D30厦门光沃热卖.低价销售
FIREYE 71D90 D-SERIES PROGRAMMER USE W/70D30厦门光沃热卖.低价销售
FIREYE MEC120R CHASSIS WITH REMOTE RESET厦门光沃热卖.低价销售
FIREYE ED510, ED -510 MODULE FOR USE EP PROGRAMMERS厦门光沃热卖.低价销售
