Description
PM783F
ABB Interference from chaotic grounding system: grounding is one of the effective means to improve the electromagnetic compatibility (EMC) of electronic equipment. Correct grounding can not only suppress the influence of electromagnetic interference, but also suppress the outward interference of equipment; On the contrary, the wrong ABB grounding will introduce serious interference signals and make the DCS system unable to work normally. The ground wire of DCS control system includes: system ground, shield ground, AC ground and protective ground. The disturbance of the grounding system chaos to the ABB DCS system is mainly caused by the uneven distribution of potential at each grounding point and the existence of ground potential difference between different grounding points, which causes the grounding loop current and affects the normal operation of the system.
Application area：
Oil: pumping unit, combined station, oil depot
Chemical industry: chemical cleaning, daily necessities, industrial supplies, ingredients, weighing
Metallurgy: steel plant, iron plant, coal mine, copper mine, aluminum plant
Cement: mixing, batching, concrete, rotary cellar
Boiler: industrial boiler, civil boiler, heat treatment furnace, single crystal furnace, kiln
Water treatment: industrial and civil water treatment, environmental sewage treatment, water supply for urban residential quarters, urban centralized heating and water supply, tower free water supply device
Buildings: building automation, access control, fire prevention, anti-theft, elevator, central air conditioning
Machinery: pharmaceutical machinery, plastic machinery, textile machinery, rubber machinery, mining machinery, tobacco machinery, ceramic machinery, food machinery, printing machinery, packaging machinery
Temperature measurement: cold storage, grain depot, battery, heating network, ceramics, transportation, municipal construction, etc
| Product details | |||
| Delivery time | in stock | Estimated Lead Time | 4-6 weeks |
| Factory warraty | 12 months | Module number | PM783F |
| Manufacturer | ABB | Product Name | controller/plc/dcs/servo/panel |
| Voltage range (VDC) | 63 | Output range (mA) | 22 |
| Over-range protection （VDC） | 125xxd | Input range (mA) | 25 |
| Working temperature | 20 | System memory （Mb） | 120 |
| Interface | 4 | Color code | BLACK AND BLUE |
| Weight （KG） | 1.5 | Shipping weight （KG） | 0.5 |
| Dimension （mm*mm*mm） | 240*200*30 | Purpose | Petrochemical industries |
| Operation mode | Direct on-board | Product situation | Stop production |
If you need to inquire or purchase ,please send the product models to my email or call me directly .
Contact detail:
Mobile/ WeChat/ WhatsApp:+86 133 6590 9307
E-mail:dcsplcsales@gmail.com
Contact: Simon Zhang
Unit 2008-2010, Innovation Center, 1733 Lvling Road, Siming District, Xiamen, Fujian Province, China
Xiamen is a beautiful coastal city, known as the Oriental Hawaii, with pleasant scenery, harmonious culture, rich local cuisine and pleasant climate. It is a livable city. Welcome foreign friends to visit Xiamen, and also welcome you to visit our company. Thank you for your consultation!Have a nice day!
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ABB The cable shielding layer must be grounded at one point. If both ends A and B of the cable shielding layer are grounded, there is a ground potential difference, and there is a current flowing through the shielding layer. ABB When an abnormal condition occurs, such as lightning strike, the ground wire current will be greater. In addition, the shielding layer, the grounding wire and the earth may form a closed loop. Under the effect of changing magnetic field, there will be induced current in the shielding layer, HONEYWELL which will interfere with the signal loop through the coupling between the shielding layer and the core wire. If the system grounding is confused with other grounding, the generated ground circulation may produce unequal potential distribution on the ground wire, affecting the normal operation of logic circuit and analog circuit in DCS.
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FAQ：
1.How soon can we receive the goods？
We all have stock on hand and can support payment and delivery on the same day！
2.What payment methods are supported？
There are many ways(T/T….) for you to choose and You can choose anyone you want.
3.Is there any after-sales service？
Of course, if our goods are brand new, they are guaranteed for one year！
4.What express delivery is supported?
Support FedEx DHL Express International Shunfeng, etc.
5.How to keep in touch with you？
You can contact me 24 hours at any time through WeChat ，Skype ， WHATSAPP， LINE and my email！
Thank you again for your consultation and wish you a happy life!
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E-mail:dcsplcsales@gmail.com
Wechat:+86 13365909307
Phone:+86 13365909307