3BHE009017R0101 XVC724BE101 Imported DCS module ABB Bailey original spot
Brand ABB color standard Application Industrial height 198mm rated current 280mA
Protection Level IP45 Suitable for motor power 159KW Applicable Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part number XVC724BE101 3BHE009017R0101
Applicable pipe 2 Whether imported is weighing 1.16 kg can be sold nationwide
3BHE009017R0101 XVC724BE101 Imported DCS module ABB Bailey original spot
Before installing the DCS, the following conditions should be met: The equipment room and central control room are decorated, and no dust and vibration work such as digging ditches and holes is required. The movable floor has been laid, the ground is clean, and the air conditioning system has been put into use and has passed the assessment. The UPS debugging test is qualified, and some conditions are not up to temporary power supply debugging, but the voltage regulator should be added. Lighting construction completed, normal operation. There is no vibration or electrical interference in the equipment room. The grounding system was completed and repeatedly checked to ensure that no interference signals were introduced.
System installation includes installing cabinets, installing devices (such as hosts, monitors, and printers), installing cards or modules, connecting system network cables and internal cables, connecting external instrument signal cables, and connecting system power supplies and ground. These tasks are generally completed by the user under the guidance of the DCS manufacturer.
Install the system according to the specific system installation requirements. During winter installation, ensure that the temperature gradient from the warehouse to the equipment room meets the requirements of the system. You can gradually increase the temperature in the equipment room to meet the requirements.
When the installation work is completed, the general DCS manufacturer sends engineers to the site for inspection and power, and then you can debug the system according to the commissioning plan.
2. Debug the work content
(1) DCS single machine debugging and system debugging
A] Hardware debugging and single machine debugging: each equipment through diagnostic procedures, standard function testing, power card voltage measurement and inspection, I/O card zero, range and accuracy debugging inspection, signal adjustment card zero, range and accuracy debugging inspection. Some DCS have a special calibration instrument.
B] Functional inspection and debugging: system standard functions, including communication, display, printing, etc. Check the user screen, check the automatic format report, check and debug the control scheme, check and debug the interlocking logic sequence control scheme, and check the program of other user configurations.
(2) Joint investigation between DCS and the site
Instrument input signal coordination, DCS output and actuator coordination, field interlock function coordination, parallel control function coordination.
Debugging is a scientific, meticulous and rigorous work, is a reliable guarantee of the system operation, for this reason, we must first have a debugging program, and do a good job of debugging organization, debugging records are standardized, and have the signature of the debugger and the acceptance person, complex interlock protection, cis control function must have the signature of the process leader.
(3) Online debugging of advanced control or optimized control application software after driving
The debugging must be carried out after the process unit is started smoothly, and the debugging plan should be developed first to ensure the stable and safe process production. Repeatedly adjust P, I, D and other parameters, so that the control system and interlock protection into the automatic state, to achieve the due use effect. Through debugging, training operators to master the operation method, understand its working principle and precautions.
3. Experience and lessons
The internal installation, wiring and debugging of DCS equipment is best undertaken by the end user’s instrument control and process personnel, which is the most beneficial for understanding the system situation, mastering the advantages and disadvantages of the system, and doing a good job in the future maintenance and development and daily operation.
In the process of functional debugging and system coordination, it can not only be the DCS manufacturer’s business, the user process operator must participate, the instrument control personnel must participate, and the relevant personnel of the construction unit must participate and cooperate.
Before power, especially to do a good job of UPS voltage waveform, frequency and grounding check, but also to check the DCS board switch Settings, it is best by DCS manufacturer engineers responsible for this work. There have been cases of multiple power cards and equipment being burned out due to the ultra-high power supply voltage, and there have been cases of board cards being burned out due to the wrong location. The equipment power supply in the United States, Japan and Western Europe generally uses 110V, China requires 220V, and some DCS now add 110V and 220V switch, and some add 220V to 110V equipment due to careless supply and no careful inspection.
When the field signal line is connected to the DCS terminal before, it is necessary to measure its insulation resistance and check for abnormal interference signals, especially before the construction of the new device has not yet ended, because the introduction of welding machine or electrical strong interference signals and burned out the safety grid, module, because a table ground burning insurance has also happened.
During hardware testing, all spare parts must be thoroughly inspected to ensure that they are in good standby condition.
During the test process, special attention should be paid to the storage and transfer of the modified content. Generally, after the end of the day’s work, it must be copied, otherwise the content is easy to be lost due to multiple operations.
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3BHE009017R0101 XVC724BE101 Imported DCS module ABB Bailey original spot
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