English — Forum #350 (Page 74/163)

1. Problems with the dual solenoids of the compressor anti-surge valve - HCBBS Forum
2. Where should one start learning instrument automation? - HCBBS Forum
3. 3D imaging system for bulk material silos - HCBBS Forum
4. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–30 - HCBBS Forum
5. Pan-tilt laser gas detector - HCBBS Forum
6. Safety barrier issue - HCBBS Forum
7. Oxygen electrode in hydrogen and oxygen purity analyzer - HCBBS Forum
8. How to maintain the boiler drum level transmitter - HCBBS Forum
9. Mass flow meter - HCBBS Forum
10. What are heavy tracing and light tracing for instrument heating? - HCBBS Forum
11. What type of flow meter should be used for mud pipelines? - HCBBS Forum
12. ITCC is neither useful nor useful at all - HCBBS Forum
13. The Siemens touch screen indicates that the user is not authorized - HCBBS Forum
14. Selection of air supply pipe for valves on vibrating pipelines - HCBBS Forum
15. Is it better for on-site instruments to be powered by 220V AC or 24V DC? - HCBBS Forum
16. Three simultaneities for extrusion granulation units - HCBBS Forum
17. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–27 - HCBBS Forum
18. New version configuration software V2.8 for central control DCS JX-300XP - HCBBS Forum
19. Selection of level gauge - HCBBS Forum
20. Can points that are not present in the LOPA analysis loop be integrated into the SIS system? Are there any relevant regulatory guidelines for this? ? ? ? - HCBBS Forum
21. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–10 - HCBBS Forum
22. Principle of electrical positioner, YTC-1000R, - HCBBS Forum
23. Can Modbus RS485 communication be attacked by viruses? - HCBBS Forum
24. Does anyone have the configuration software for version 2.7 or 2.8 of the 300xp system? - HCBBS Forum
25. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-14 - HCBBS Forum
26. The three-level level gauge of the acidic gas stripping unit keeps going blank. - HCBBS Forum
27. May I ask about third-party certification agencies for pressure transmitters and temperature transmitters? - HCBBS Forum
28. What should this PID graph be called? - HCBBS Forum
29. Control valve - HCBBS Forum
30. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-02-19 - HCBBS Forum
31. Deaerator level - HCBBS Forum
32. Installation requirements for spherical radar level gauges - HCBBS Forum
33. Laminar flow meter - HCBBS Forum
34. How to measure the liquid level in a tank with an internal floating roof using a horn antenna radar - HCBBS Forum
35. Instrument certificate - HCBBS Forum
36. Principles and Applications of Cascade Control - HCBBS Forum
37. 475: Unable to bring DVC6200 into online mode during debugging - HCBBS Forum
38. I would like to ask the experts here; I don’t understand the valve control logic shown in the drawings. Please give me some guidance! - HCBBS Forum
39. Investigation into the reason why the on-site valves of DCS did not operate - HCBBS Forum
40. Process design for styrene unloading and tank farm - HCBBS Forum
41. How to export a SIS logic diagram - HCBBS Forum
42. What is this E+H meter used for? - HCBBS Forum
43. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-03-17 - HCBBS Forum
44. A brief discussion on solutions for sudden fluctuations in the readings of radar level gauges under gas holder operating conditions - HCBBS Forum
45. Regarding the disorder in the control of intermittent operation steps - HCBBS Forum
46. Dinghua Electronics Tips | 13 Key Points for SIS System Management! - HCBBS Forum
47. Selection for water vapor volumetric flow rate detection? - HCBBS Forum
48. Oscilloscope measurement of instantaneous value changes – Power-off time for islanding prevention - HCBBS Forum
49. Table of Technical Differences in Valve Bidding - HCBBS Forum
50. I would like to ask for advice - HCBBS Forum
51. Common Standard Specifications for Instruments - HCBBS Forum
52. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-02-27 - HCBBS Forum
53. Application of vortex flow meters in hot water piping systems - HCBBS Forum
54. Visual P-I-D - HCBBS Forum
55. The Station display of the Honeywell R310 is out of sync - HCBBS Forum
56. What is the function of Advantech’s network devices? - HCBBS Forum
57. Who has the Chinese manual for the redox potentiometer HDM-137A? - HCBBS Forum
58. Does an ultrasonic syngas flow meter require temperature and pressure compensation? - HCBBS Forum
59. Motor current alarm - HCBBS Forum
60. Detailed Explanation of the Principle and 6 Key Features of ELL Ultrasonic External Level Switches - HCBBS Forum
61. Air separation carbon dioxide analysis - HCBBS Forum
62. How to use external level gauges correctly - HCBBS Forum
63. Selection of flow meters - HCBBS Forum
64. Liquid oxygen pneumatic isolation ball valve - HCBBS Forum
65. Calibration Regulations for Pressure Transmitters 2019, Calibration Regulations for Level Gauges 2019 - HCBBS Forum
66. Configuration issues with Nanjing Keyuan NT6000 - HCBBS Forum
67. Why should the spacing between terminal blocks when installed side by side not be less than 150 mm? - HCBBS Forum
68. Which expert could provide a detailed explanation of this process? - HCBBS Forum
69. Where is the stability of the PH sensor? What are the components that tend to malfunction most often when people use them on a regular basis? - HCBBS Forum
70. Regarding the 315-2dp shutdown issue with the 300PLC - HCBBS Forum
71. I’d like to ask the experts: what type of certificate should an instrument technician obtain? - HCBBS Forum
72. I have another question regarding basic instrumentation knowledge - HCBBS Forum
73. What problems are common with liquid oxygen cut-off valves? - HCBBS Forum
74. 5 Secrets to Daily Maintenance and Repair of Major Instruments - HCBBS Forum
75. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–08 - HCBBS Forum
76. Who usually handles the automated systems SAT FAT SIT? Is a third party needed? - HCBBS Forum
77. What are the common types of thermometers used in air separation equipment, and in what applications are they utilized? - HCBBS Forum
78. Problems with liquid level control in waste heat boilers - HCBBS Forum
79. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-05-27 - HCBBS Forum
80. External-mounted level switch - HCBBS Forum
81. Regarding the issue of inaccurate measurements by differential pressure transmitters - HCBBS Forum
82. Are there any manufacturers that produce slide valve control valves here? - HCBBS Forum
83. Experts, please discuss the selection of flow rate when calculating the diameter of instrument air pipes - HCBBS Forum
84. SAMSON locator debugging method - HCBBS Forum
85. Searching for high-temperature resistant ultrasonic flowmeters - HCBBS Forum
86. Seeking information on UPS-related specifications and standards - HCBBS Forum
87. Confusions regarding the wiring boxes in the control room renovation and relocation - HCBBS Forum
88. Introduction to oscilloscope probe types and usage - HCBBS Forum
89. Selection of metal rotameter - HCBBS Forum
90. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–23 - HCBBS Forum
91. Will medium backflow show the flow rate? - HCBBS Forum
92. A question regarding the installation standards for liquid levels in Class A storage tank areas - HCBBS Forum
93. Three-element control for the drum - HCBBS Forum
94. I have a question regarding level gauges... - HCBBS Forum
95. The numerical readings of the electromagnetic flowmeter differ - HCBBS Forum
96. How long can a magnetostrictive level gauge be? - HCBBS Forum
97. I’m a novice in this field; I hope someone experienced in automatic control can explain the boiler control system. Please help! ! - HCBBS Forum
98. Calibration and verification of measuring instruments in chemical plants - HCBBS Forum
99. Analysis of the installation process of external level gauges - HCBBS Forum
100. How to connect ecs-700 to KEPServer - HCBBS Forum