140NOM21100

If you have any requirements in this area, please contact Jenny.(please make out Jenny receive)

Phone & wechat:+86-18050025540Q     Q:3007273135Email : sales2 * xrjdcs.com ( * changes to @ )FAX:+86-592-580710

Xiamen xingruijia import and export co.LTD  is a China's leading supplier of control system components. We specialize in control systems and drives. With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.

We have tens of thousands of spare parts and spare parts warehouse . Products and services to serve for installing of users control system,Distributed control systems, programmable controllers, panel controller and drive!

We have a large inventory of control system components. We also made a lot of new hardware and discontinued spare parts to help supporting  your existing control systems.

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Installation steps for precautions for PLC site installation

   After arriving at the site, before installing the system, you need to consider whether the installation environment meets the requirements of the PLC environment. You can refer to the manuals of various products. However, no matter what PLC, it can not be installed in the following places: places with corrosive gases, places where sunlight directly shines, places where the temperature changes up and down in a short period of time, where oil, water, and chemicals are easily invaded. Where there is a lot of dust, the vibration is large and the mounting parts are displaced.         If it is necessary to use it in the above environment, it is necessary to make a suitable control box for the PLC, using the specifications and necessary protective measures. If you need to use it in the wild at very low temperatures, you can use a heating control box. How to make these protective boxes or control boxes, manufacturers and qualified system integrators will provide customers with the appropriate supply and design.         When using the control box, pay attention to the following items in the position where the OpenPLC is installed in the control box: whether the air circulation in the control box is smooth (the appropriate distance must be maintained between the devices), and whether the transformer, motor controller, inverter, etc. are kept with the PLC. Appropriate distance, whether the power line and the signal control line are separated and configured, whether the position of the component is suitable for future maintenance, whether space is reserved for future expansion of the system.         In addition to the above considerations, there are other considerations to be aware of.          The first important thing is the isolation of static electricity. Static electricity is an invisible killer, but it may be overlooked because many people are not at risk. In the northern, dry places of China, static electricity on the human body is a factor that causes static damage to electronic components. Although you are hit by static electricity, it is only a slight numbness, but it is fatal to the PLC and any other electronic devices.         There are three ways to avoid electrostatic shock: when repairing or replacing components, touch the grounded metal to remove static electricity from the body; do not touch the connector or IC pin on the circuit board; electronic components are not When using, use the package with isolated static electricity to place the components inside. Imagine that the components in the PLC are a delicate baby, and that static electricity will cause the baby to die, and it will be easier for you to treat the problem with the right attitude.         When the base is installed (RACK), after determining the various control components and slot positions in the control box, the hole position should be calibrated according to the dimensions shown in the drawing. After drilling, tighten the fixing screws until the base is secure. Before installing the power supply module, you must also pay attention to whether the grounding end of the power cable is connected to the metal casing. If not, it must be connected. If the grounding is not good, it will lead to a series of problems, static electricity, surge, external interference, and so on. Because the PLC is not grounded, the PLC can also work. Therefore, many engineers with less experience mistakenly believe that grounding is not so important. It's like climbing a mountain, it's not like a protective cable. Although you don't have any effect when you move forward normally, once you lose it, without the rope, your life is over. The grounding of the PLC is equivalent to protecting the cable from the PLC.          When installing the I/O module, pay attention to the following items: Before inserting the I/O module into the slot on the rack, make sure that the module is a pre-designed module; the I/O module is inserted into the rack. When inserting the groove, be sure to insert it to the end to ensure that the contact points are tightly coupled; the module fixing screws must be locked; after the terminal block is inserted, the upper and lower screws must be tightened. Due to the influence of transformers and motors on site, there will be some vibration. If these screws are loose, the module will be released from the rack.