(1) When using Schneider UPS power supply, the relevant provisions of the manufacturer's product manual should be strictly adhered to ensure that the front and zero line sequences of the mains connected by Schneider UPS meet the requirements.
(2) The main intention of equipping Schneider UPS is to prevent the computer from losing information and damaging the hard disk due to sudden power failure, but some equipment is not afraid of sudden power failure when operating (such as printers, etc.). In order to save the power of Schneider UPS, the printer can be considered to be directly connected to the mains without going through Schneider UPS. If it is a network system, it can be considered that Schneider UPS only supplies power to the host (or server) and its related parts. This ensures that Schneider UPS can use its most important equipment while saving money.
(3) Do not overload Schneider UPS. The maximum load of Schneider ups power supply should be 80% of its nominal load (for example, 1000W Schneider UPS, according to 80% load factor, i.e., 800W to match the load: 1000VA, Schneider ups is converted to 800W by 80%, and then 80% load rate, i.e., 640W, to match the load). If it is overloaded, the breakdown of the inverter transistor is often formed under the inverter condition. In addition, when using Schneider UPS, it is strictly forbidden to connect rational loads such as fluorescent lamps, but only pure electric or small capacitive loads.
(4) When switching on and off, you should pay attention to the sequence of switching on and off: start the Schneider UPS first, and then turn on the power switch of the load later (it is best to lag for 1-2 minutes to let the Schneider UPS fully enter the operating condition), and the power switch of the load should be turned on one by one: the order of shutdown is just the opposite, first turn off the power switch of the load one by one, and then turn off the Schneider UPS. Schneider UPS has to be in the power on condition for a long time, while the load such as the computer is turned on every time it is used, and only need to turn off the power switch of the load such as the computer after use.
(5) Do not frequently close and turn on the power supply of Schneider UPS.
Generally, it is required to wait at least 6 seconds before turning on the Schneider UPS power supply after the Schneider UPS power supply is closed, otherwise, the Schneider UPS power supply may be in a "start-up failure" situation, that is, the Schneider UPS power supply is in an abnormal condition with neither mains output nor inverter output.
(6) The electrical energy in the battery in Schneider UPS may be exhausted or close to exhaustion for some reason. In order to compensate for the battery energy and improve the battery life, Schneider UPS should carry out timely and long continuous charging (usually not less than 48 hours, with or without load) to prevent problems caused by battery failure. Schneider UPS that has been newly purchased or stored for a long time should be charged for 12 hours before use. Schneider UPS that is not used for a long time can be charged for 12 hours every 3 months, and charged every 2 months if it is in a high temperature area. Schneider UPS is used without charging, which will damage the battery.
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Schneider inverter knowledge points
1. Use the analog output port to indicate the motor frequency, when the motor frequency is 50Hz, why is the output only 16mA?
Due to the maximum output frequency parameter of the inverter "TFR", the factory default value is 60Hz. So when the inverter output is 50Hz, the analog output is 16mA. At this time, only ...
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Schneider servo motor advantages
Schneider servo motor is one of the brands of servo motor, the performance is relatively good, is a brand made in Germany, in China ** degree is relatively high. Servo motor refers to the servo system, (servomechanism) in which the mechanical components are controlled.
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Dual-fan inverter selection - Schneider
1. Qualified after inspection
When selecting a double fan inverter, it must be strictly checked for its quality. The first requirement is that it must have relevant certificates of qualified inspection, and some qualified materials must be taken out. This is the only way to ensure that this change ...
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Schneider DC air open up plus or minus? How to connect the incoming and outgoing lines?
The air switch is divided into the upper inlet line and the lower inlet line of the power supply, 1 is - 3 is + 2 is + 4 is - when the upper line is inlet, 2 is + 4 is - This is related to the internal trip curve.
DC circuit breaker is used for DC system operation method conversion or fault removal ...
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Frequency converter main circuit fault solution - Schneider
According to the statistical analysis of the frequency and shutdown time of the specific common problems of the inverter, the repair rate of the main power supply circuit accounts for more than 60%; The main operating parameters are set improperly, resulting in about 20% of common problems; 15% of the common problems of manipulating circuit boards; 5% of common problems are caused by incorrect operation and external anomalies ...
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Schneider turbine flowmeter selection considerations
1. According to the requirements of measurement intention:
It is required to select the unit with instantaneous flow rate or cumulative flow rate (cumulative flow), the unit of flow display, measurement accuracy, repeatability, linearity, flow scale and scale, measurement temperature, pressure loss, temperature and pressure compensation, output signal characteristics and echoes.
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The form of power input and output - Schneider
1. Single-phase input/single-phase output:
If the capacity is relatively small, the single-entry UPS hanging on any phase of the mains will not be troublesome to the three-way distribution balance of the mains, the load capacity is small, and the output line diameter (current value) of the single-phase output is not ...
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Inverter power-saving method - Schneider
First, it is a fan/pump load
Second, the device itself has a power-saving function (software support)
Third, we need to work for a long time
The above are the three conditions that reflect the results of power saving. If it is said that the power frequency of the inverter is energy-saving without conditions, it is ...
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Schneider touch screen touch deviation causes
(1) Problem--: Contact deviation
Phenomenon 1: The direction of the finger does not coincide with the mouse arrow.
Reason 1: After installing the driver, there is no vertical contact with the bullseye center when calibrating the alignment. Deal 1: Correct the position from the beginning.
Phenomenon 2: Some districts ...
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Schneider Intermediate Relay Model Letter Meaning
RXM: Schneider's miniature center relay
The first 2: indicates the number of contacts, and the normally open contact is 2
LB: Indicates that the product has LED light
The second 2: indicates the number of contacts, and the normally closed contacts are 2
BD: Indicates that the supply voltage used is DC 24V
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Schneider appeared at the 5th China Power Distribution Technology Summit Forum
Beijing, China, September 14, 2020 – Today, the 5th China Power Distribution Technology Summit Forum 2021, held by China Electric Power Research Institute Co., Ltd. and the Science and Technology Development Service Center of China Electric Power Council, opened in Beijing. The theme of this forum is "Supporting the Strategic Policy of Carbon Peaking and Carbon Neutrality, Building a ...
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The difference between Schneider UPS and EPS power supply
1. Different safety standards
UPS is mainly used to protect users' equipment or business from economic loss, and its product technical certification mainly includes Thiel certification, CQC certification, etc. The development of EPS power supply stems from the sudden failure of the power grid, in order to ensure the power safety and fire linkage needs, it can be supplied immediately.
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Schneider ATV312 inverter failure
1. OLF is motor overload.
Possible reasons: 1. Triggered by high motor current. 2. The value of the [cold stator resistance] (rSC) parameter is wrong.
Corrective measures: 1. Check the [Motor Thermal Current] (ItH) setting of the motor thermal maintenance function and check the motor load. Wait...
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Schneider touch screen touch deviation causes
(1) Problem 1: Contact deviation
Phenomenon 1: The direction of the finger does not coincide with the mouse arrow.
Reason 1: After installing the driver, there is no vertical contact with the bullseye when checking the alignment. Deal 1: Correct the position from the beginning.
Phenomenon 2: ...
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Servo motor selection process – Schneider
1. Load organization (acknowledging the type of tissue and its specific data, such as ball screw length, ball screw diameter, stroke, pulley diameter, etc.)
2. Form of action (acknowledging the form of action of manipulating the target, the relationship between time and speed; Will manipulate ...
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Schneider Multi9 Series C120 FAQs
1. What are the characteristic curves of Schneider Multi9 series C120L?
A: C/D curve.
2. What is the rated current level of Schneider Multi9 series C120?
A: 63A, 80A, 100A, 125A.
3. Shi ...
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Instrumentation anti-interference measures - Schneider
The interference encountered by sensors and instruments in the field operation is varied, and the specific situation is analyzed on a case-by-case basis, and the principle of anti-interference is to adopt different methods for different disturbances. This flexible and mobile strategy is undoubtedly opposed to universality, and the way to deal with it is to choose a modular approach, except for ...
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Schneider inverter control circuit
1. What is a control loop?
The network that supplies the control signal to the main circuit that supplies power to the asynchronous motor (voltage and frequency can be adjusted) is called the control loop.
Second, the composition of the control loop
The control circuit is controlled by the frequency ...
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How to operate the transformer DC resistance tester – Schneider
1. The instrument test has a total of YN winding three-phase test, YN winding three-phase phase-by-phase test, low-voltage winding magnetization method test of iron-core five-column low-voltage angular transformer, low-voltage winding phase selection test and general four-terminal method of ironcore three-column low-voltage angular transformer.
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How can industry be high-quality and sustainable? - Schneider
Sanya, China, October 21, 2021 – In the context of the ever-changing global development situation and the increasingly urgent response to carbon neutrality, Ruan is moving towards carbon neutrality together with cost reduction and efficiency increase, which has become the focus of attention of many industrial enterprises. As a global digital transformation specialist in power management and automation...
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