On April 22, 2015, the "2015 China Automation Industry Annual Conference and the 10th China Automation Industry Century Event" sponsored by the Chinese Association of Automation was held in Beijing. At the conference, APT won the "2014 Top Ten New Enterprises in China's Automation Field" award, which was awarded the title of "China's Automation Field Team of the Year" by APT last year.
Since APT was merged into Siemens, APT has responded to "change" with "change" and sought development breakthroughs with innovation. Especially in 2014, in the face of the current economic environment, we actively adjusted the marketing organization structure in management to meet the needs of market development, actively explored market segments in marketing, patiently and meticulously cultivated key areas, and paid attention to the demonstration effect of the project and the word-of-mouth effect of users, so as to improve the stickiness of user purchase and promote the sustainable development of APT business. Winning the award again is not only an honor, but also a continuous recognition of APT enterprises, brands, products and services by users and the automation industry.
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Siemens APT current transformer - introduction to the classification of current transformers
Categorized by use
According to different uses, current transformers can be roughly divided into two categories:
Current transformer for measurement (or measurement winding of current transformer): provides current information of the power grid to measurement, metering and other devices within the normal working current range.
Protecting Electricity ...
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Siemens APT Relays – What are the types of protection relays?
Overcurrent Relay (OCR)
It operates when a certain value or greater of current flows through. There are two elements: overcurrent detection (known as a timing element) and short-circuit current detection (as an instantaneous element).
Earth Fault Overcurrent Relays (OCGR, GR)
While...
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Siemens APT PB3 series of quick-fit pushbuttons wins CAIMRS "Automation Innovation Award"
On August 26, the CAIMRS2022 China Automation + Digital Industry Annual Conference was held in Beijing. Based on the fields of automation, digitalization, industrial robotics and industrial interconnection, this conference shared top digital innovation ideas, discussed the latest trends in the industry, and how to grasp the new round of science and technology.
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Siemens APT Relays - Maintenance Methods for Solid State Relays
1. The influence of the ambient temperature
The load capacity of the solid state relay is greatly affected by the ambient temperature and its own temperature rise, during the use of the device, it should be ensured that it has good heat dissipation conditions, the rated working current of more than 10A products should be equipped with radiators, and the products above 100A should be dissipated.
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Siemens APT Relays - What are the relays that burn out?
1. The position of the auxiliary contact is not suitable.
After the switch has been tripped, the mechanical part has moved, worn phenomenon, resulting in the auxiliary contact position offset to the correct position, in the protection action tripping, when the auxiliary contact is not disconnected, the outlet electrical appliances, electrical appliances, relays have returned, and it is ...
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Siemens APT - ALS series limit switch FAQ
1. What are the installation methods of ALS limit switches?
Usually the limit switch is divided into front of the board installation or board back installation, all of which are installed by screws.
2. What are the different modes of limit switch action?
According to the action mode of the limit switch head, it is divided into ...
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TL series police lights frequently asked questions
1. How many light sources are there for the TL-70 police light?
There are 3 types, namely LED, incandescent and xenon.
2. What are the colors of the TL-70 police light?
There are 5 types, which are red, yellow, green, blue, and white.
3. What are the types of TL-70 police lights?
3 ...
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Siemens APT Relays - High Voltage Relay Fault Causes and Solutions
1. Some common faults of high-voltage relay coils
1. The common fault cause of the coil is often disconnected: whether the ultrasonic wave is used to clean the high-voltage relay, or whether the overvoltage is added to the coil will also promote the probability of the coil being disconnected.
2 ...
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Siemens APT Relays - Classification and Introduction of Relays
According to the principle of action, it is divided into:
1. The rectifier relay is used in the AC circuit, and its electromagnetic system, contact system and action principle are the same as those of the DC stepless relay.
2. Transistor relay: Transistor relay is composed of transistor transmitter or zero indicator, logic relay, transistor relay.
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Siemens APT helps Tianjin's advanced manufacturing industry
Tianjin is a typical industrial city. Due to the steady progress of "three districts and one base", the advanced manufacturing industry has developed rapidly in recent years. Siemens APT brought a variety of low-voltage control products to the 14th China (Tianjin) International Industry Fair held from March 15-18. Siemens APT has launched the PB1...
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Siemens APT Relays – Testing of Relays
(1) Measure the resistance of the contact: use the resistance of the multimeter to measure the resistance of the normally closed contact and the moving point, and the resistance value should be 0; The resistance between the normally open contact and the moving point is infinite. From this, it is possible to distinguish which is a normally closed contact and which is normally open.
(2) Coil resistance: multimeter R...
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Siemens APT Relays – The action of high and low voltage relays and how to adjust the low voltage side
1. Disconnect the control power supply: Before making the low-voltage terminal contact adjustment, the control power supply should be disconnected first to avoid the current directly or indirectly passing through the relay contact, and avoid electric shock or damage to the relay.
2. Open the relay cover: Open the relay cover, you can see the inside of the relay.
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Introduction to the features of the full range of Siemens APT metal button FM products
Seeking advanced, perfect and excellent Xijia APT to concentrate on research and development, and constantly change customs, the launch of the metal flat button indicator FM series is to complete the perfect integration of appearance and performance.
Ultra-thin flat round device, metal shell and buttons, high-value appearance
Product ...
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Siemens APT relay - the cause and solution of the fault of the high-voltage relay
1. Some common faults of high-voltage relay coils
1. The common fault cause of the coil is often disconnected: whether the ultrasonic wave is used to clean the high-voltage relay, or whether the overvoltage is added to the coil will also promote the probability of the coil being disconnected.
2 ...
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Siemens APT current transformer - common faults and solutions of current transformers
1. There is an abnormal noise or over-temperature of the iron core
Cause of failure: When the current transformer is in operation, if there is an open circuit or overload in the secondary circuit, it will lead to abnormal sound and over-temperature of the core.
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Siemens APT current transformer – wiring method of current transformer
1. The single wiring mode can only feedback the status of single-phase current.
2. Three-phase complete star wiring, usually used in transformer differential protection wiring.
3. The two-phase incomplete star wiring method is used frequently in daily work.
4. The two phases ...
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Siemens APT Relays – The Cause of Solid State Relays Burnout
1. Poor design (low margin of voltage or current reservation during selection, insufficient heat dissipation conditions, etc.).
2. The fuse is too large or the fast fuse is not used as required.
3. The radiator is full of dust or the cooling fan fails.
4. Solid State Relay ...
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Siemens APT Relays – classified by their operating principle or structural characteristics
(1) Electromagnetic relay: an electrical relay that works by using the suction force generated by the current in the input circuit between the electromagnet core and the armature.
(2) Solid relay: refers to a kind of relay in which electronic components perform their functions without mechanical motion components, and the input and output are isolated.
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Siemens APT Relays - Selection Method for Solid State Relays
1. When selecting the solid-state relay used in the printed circuit board with small current specifications, because the lead terminal is made of high thermal conductivity material, the soldering should be carried out under the condition that the temperature is less than 250 °C and the time is less than 10S.
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Siemens APT relay - the main structural features of high and low voltage relays
1. Electromagnet: The electromagnet of high and low voltage relay is usually composed of two parts: coil and core. When the high and low voltage relay inputs the electrical signal, the electromagnet coil will generate electromagnetic force, drive the iron core, and realize the on/off control of the relay.
2. Contact group: The contact group is a high and low voltage relay control ...
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