熟女少妇精品一区二区_日韩熟女精品一区二区三区_在教室伦流澡到高潮h麻豆_亚洲av日韩av天堂久久_亚洲精品久久久久久无码色欲四季

Search

Protection of monitoring products

Views:

1. How many reasons does the UNT-MMI-B intelligent MCC control protection management device run after the power is turned on?
There are two situations that cause the device to run up and the light is on:
1. Check if the contactor normally closed auxiliary contact of the contact state of the device A (X3-9) is connected.
2. When the power supply of the device is DC, check the positive and negative poles of the power supply and connect them according to the correct polarity.

Second, UNT-MMI-B control protection management device during the startup process reported overload analysis?
1. Check if the rated current is set correctly and set the rated current according to the nameplate of the motor.
2. The external CT is not threaded as required. Check the size of Ia, Ib, Ic, I1, I2 to determine whether the line order is correct or not. If the phase sequence is wrong, I1 is small, and I2 is close to A, B, C or Very big).
3. Check the position of the transformer. The current contactor is connected between the molded case circuit breaker and the contactor. (If the current device is connected between the contactor and the motor, the positive transmission is normal, and the reverse relay may be phased. ).

Third, UNT-MMII-A common problems and operational precautions
1. Do not connect the power supply of the power cord of the device.
2. Pay attention to the setting of CT model when setting parameters.
3. When 4-20mA is set, the corresponding value of 4mA is set to 0, 20mA corresponds to 2 times of rated current, and the maximum range of DCS is consistent with the corresponding value of 20mA set by the device.

Back To Top
漂亮人妻被黑人久久精品| 成人黄色电影网| 天天影视网网色色欲| 特级毛片a片久久久久久| 后入到高潮免费观看| 久久久久无码精品国产不卡| 精品无人区卡一卡二卡三乱码| 国产欧美久久久精品影院| 亚洲日韩精品欧美一区二区一| 乱人伦人妻中文字幕无码久久网| 中文无码人妻有码人妻中文字幕| 久久久久亚洲精品| 精品一区二区三区免费视频| 久久国产精品免费一区二区三区| 国产成人久久精品激情| 女人被狂躁的高潮免费视频| 他掀开裙子把舌头伸进去添视频| 在线亚洲+欧美+日本专区| 久久精品国产亚洲精品2020| 无码国产精品久久一区免费| 亚洲精品乱码久久久久久自慰| 久久精品国内一区二区三区| 免费观看又色又爽又黄的崩锅| 色8激情欧美成人久久综合电影| 精品人妻av区乱码| 少妇性饥渴无码a区免费| 国产乱人伦偷精品视频| 久久成人麻豆午夜电影| 蜜臀av人妻国产精品建身房| 波多野结衣乳巨码无在线| 久久久久久亚洲av无码专区| 亚洲蜜桃精久久久久久久久久久久| 极品人妻videosss人妻| 欧美另类人妖| 99久久精品美女高潮喷水| 久久国产精品免费一区| 搡老女人老妇老熟女hd| 久久久久久亚洲av无码精品专口| 婷婷色婷婷开心五月四房播播| 麻豆蜜桃av蜜臀av色欲av| 色偷偷色噜噜狠狠网站久久|