1. How to wire the button switch with a light, there are a total of five binding posts on the button, and now you can only measure how to connect the power cord, but the light is on and I don't know how to connect.
Answer: This situation is relatively simple, this switch should be two terminals connected to the lamp, the other 3 terminals are switches, find out the terminals of the lights and the terminals of the switch, and then distinguish which two terminals you want to use to connect the switch, directly connect the lights and the switch terminals to be connected together, so that when the switch is turned on, the lights will be on.
2. How to wire the button switch on the control cabinet? The button switch connected to the PLC has a dynamic break and a dynamic contact, how are these four points wired, and how are they connected to an input point of the PLC as a switch input? Is it still possible to only connect one contact between the button switch?
Answer: This is a common sense problem, the button switch has a dynamic break and a dynamic contact, a total of four contacts, as a switch input, often use the dynamic contact to connect the I end of the PLC (an input point of the PLC), the other end is connected to the 24V+ of the PLC, and the dynamic breaking contact is empty.
3. A switch has three buttons to control three lights, how to wire? There are three rows of holes on the switch The first row is L1a, L1b, L1c The second row is L0a, L0b, L0c, the third row is L2a, L2b, L2c, there are two white wires and one yellow wire, how should it be wired?
The L1a, L1b, and L1c of the switch are sealed and cannot be wired. If you connect one white wire and yellow wire to L0a, and connect the other white wire to the left end of L2a, and one light is normal, and the other light is on from the moment of closing, not controlled by the switch, what is going on?
Answer: three switches to control three lights (each switch controls a lamp), the first thing to have is 4 wires to finish, a power cord, connected to the incoming end of the three switches (L0A, L0B, L0C, that is to say, use the incoming wire to connect these three points together), the remaining three separate to L2A, L2B, L2C, if there are only three wires now, the yellow one may be the incoming line, the white one is the return road of the two lights, and the empty one is to indicate that the switch does not control any lights. |
More on that
|
Tianyi switch - the selection of disconnector switches
Rated voltage:
The rated voltage of the disconnector (KV) = the nominal voltage of the circuit * 1.2/1.1 times.
Rated current:
The standard value of rated current should be greater than 150% of the maximum load current.
Rated Thermal Stability Current:
Select a rated ...
|
|
New Upgrades - A new member of the warning light family reports
JD series warning light is Tianyi electrical appliances in the field of signal control launched high-performance products, once launched, it has won the unanimous favor of customers, products in the design, manufacturing, quality control and other aspects of the company's quality system has always been under the strict testing and supervision of the company's quality system, to ensure that each product ...
|
|
Tianyi switch - the characteristics of the disconnector are introduced
1. Provide an electrical interval and a visible disconnection point during electrical equipment maintenance to ensure the personal safety of maintenance personnel [3] .
2. The disconnector can not be operated with load: it cannot be operated with rated load or large load, and it cannot be divided and combined with load current and ...
|
|
Model introduction of Tianyi cam switch
LW42 series
LW42 series cam switch and safety switch are another series of high-quality products announced by Shanghai Tianyi Electric Appliance Co., Ltd. to meet customer needs.
Device function: personal safety is paramount, LW42 series cam switch and safety switch unique terminal plan ...
|
|
Tianyi switch - the classification of dual power transfer switches
It is mainly divided into ATS and STS.
STS static toggle switch
STS (Static Transfer Switch), also known as static transfer switch. The STS automatically switches to the second channel to supply power to the load after the first channel fails.
|
|
Tianyi switch - the difference between air switch and leakage protection switch
1. Differences in appearance
Although these two types of switches seem to be very familiar, but there are still differences, half of the leakage protection switch is the same as the air switch, and the other half is not, it is equipped with a test jump button and a recovery button, which are not available in the air switch.
2 ...
|
|
VTeam switch – how to operate a linear DC power supply correctly
1) Voltage Setting: Turn on the DC switch, adjust the voltage knob to adjust the voltage reading to the desired operating power connection. If you need to lower the voltage, turn the potentiometer slowly so that the drip rate of the voltmeter is compatible with the speed of the manual adjustment knob.
2) Constant Current Setting: Connect ...
|
|
Tianyi switch - 9 tests and methods for switching power supply
1. Repeated short-circuit test
◆ Test instructions
The output of the module is short-circuited in various input and output states, the module should be able to achieve protection or retraction, repeated short-circuits, and after troubleshooting, the module should be able to automatically resume normal operation.
◆ Test Method
a ...
|
|
Tianyi switch - the high and low voltage division of low voltage switch
36V is a safe voltage, but it cannot be used as a standard for dividing high and low voltages. There are two ways to divide high and low pressure:
1. According to the rated voltage: the rated voltage is 1000V and below is called low voltage; The rated voltage of 1000V or more is called high voltage.
2. According to the voltage of the equipment to the ground...
|
|
What are the common problems of Tianyi switch - disconnector?
1. What are the common faults?
Answer: The common faults of the disconnector are: (1) The contact part is overheated. (2) Porcelain insulation damage and flashover discharge. (3) Refuse to pull and close. (4) Wrong pulling and closing.
2. The overheating of the contact part of the disconnector during operation is caused by ...
|
|
Tianyi switch - introduction to the types and characteristics of limit switches
Conventional domestic travel switch
LX19-001/111 in the LX19 series, LXK3-20S/T in the LXK3 series, JLXK1 series JLXK1-111/411/511 in the conventional travel switch are the most representative.
|
|
Tianyi switch - the difference between the use of cam switch and load isolation switch
T-cam switches and P-block switches are used in a wide range of standard circuits and currents, and the number of combinations of cam switches is virtually unlimited. Different designs, front panels and dedicated switches ensure optimum sensitivity to meet the requirements.
Q1: P switch and T switch have ...
|
|
Tianyi switch - the use and function of air switch
What are the uses of air switches
1. The air switch is an important electrical appliance in the low-voltage distribution network and power drive system, which integrates control and a variety of protection functions. In addition to completing contact and breaking circuits, it can also generate short circuits to circuits or electrical equipment. Severe...
|
|
Tianyi switch - the difference between C type and D type of air switch
The meaning is different, the scope of application is different, and the role is different.
Air opening C represents the current, and the D model represents the power. The scope of use is different. If it is a household electricity, the air switch of the C model is generally chosen. The role is different. Type C it is used for home lighting use, Type D is suitable for ...
|
|
Tianyi switch - what is the difference between proximity switch PNP and NPN?
The so-called PNP and NPN proximity switches are for the type of DC three-wire proximity switch output transistor, and even though many proximity switch output stages use MOS transistors, they are still called the same.
Differences: PNP type proximity switch: The type of proximity switch output transistor is P...
|
|
Tianyi switch - the main accessory of the air switch
Internal accessories
Auxiliary contact: The auxiliary contact is the contact mechanically linked by the main circuit of the circuit breaker, which is mainly used for the display of the circuit breaker opening and closing status, and is connected to the control circuit of the circuit breaker through the opening and closing of the circuit breaker to control or interlock its related electrical appliances. For example, to ...
|
|
Tianyi button indicator - button indicator induction circuit fault and solution
First, the reason for the fault of the induction circuit of the switch button indicator
1. Aging of circuit board: The circuit board of the switch button indicator induction circuit board may be aged if it has been used for too long, resulting in leakage in the circuit, and then the induction failure of the indicator light.
2. Sense ...
|
|
Tianyi switch - the difference between disconnector and circuit breaker
1. The circuit breaker is equipped with an arc extinguishing device, so the circuit breaker can be operated with load, but it cannot operate the current of the load. The disconnector does not have an arc extinguishing device, and it can operate places where the load current is less than 5A, but it is generally not suitable for operation with load.
2. And the circuit breaker ...
|
|
Tianyi switch - the difference between fuse and air switch?
1. In addition to the short-circuit protection function of the fuse, the air switch can also realize the overload protection of the circuit.
2. The fuse is a one-time protection device, which must be replaced once it is blown and is very troublesome, so its reusability rate cannot be compared with the air switch. ...
|
|
Tianyi switch - the characteristics of low-voltage isolation switch
1. When overhauling electrical equipment, provide an electrical interval and a visible disconnection point to ensure the personal safety of maintenance personnel.
2. The disconnector can not be operated with load: it cannot be operated with rated load or large load, and it cannot be divided or combined with load current and short circuit current.
|
|
Contact
working hours
