English — Forum #350 (Page 2/163)

1. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-06-22 - HCBBS Forum
2. Operation of Chemical Process Automation Control Instruments – The Issue of DCS Engineers Working Without Proper Certifications - HCBBS Forum
3. Add a curve and it disappears when switching pages - HCBBS Forum
4. Window XP software - HCBBS Forum
5. Fault in the central control XP316 card - HCBBS Forum
6. Instrument tray for chemical plants - HCBBS Forum
7. 【2025 Level Gauges】Differences between different antennas of radar level gauges - HCBBS Forum
8. Use and principle of magnetic flap level gauges based on the bypass principle - HCBBS Forum
9. What programming languages are available for Yokogawa DCS? - HCBBS Forum
10. Explosion-proof technology - HCBBS Forum
11. Which friend has used the JY511 from Jingyi? - HCBBS Forum
12. Instrument interlock - HCBBS Forum
13. Discussion on the logical control principle of dual backup devices - HCBBS Forum
14. How to calibrate a level gauge - HCBBS Forum
15. Problems with the transmitter process interface. - HCBBS Forum
16. Seeking advice on PLC settings - HCBBS Forum
17. Can online detection of liquid concentration be used to achieve proportional control with the feed flow rate? - HCBBS Forum
18. How to measure the level using a differential pressure transmitter with a self-made pressure guiding tube - HCBBS Forum
19. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–29 - HCBBS Forum
20. What does PRI mean? Is it displayed in DCS? - HCBBS Forum
21. Reading and Installation of Automation Instruments in the Production Process - HCBBS Forum
22. Color of the interlock valve switch in SIS - HCBBS Forum
23. PCS7 alarm - HCBBS Forum
24. What precautions should be taken when replacing the hard drive in the CS3000 engineer station host? - HCBBS Forum
25. Which industries seek process control? - HCBBS Forum
26. Control valves allow for quantitative control - HCBBS Forum
27. Maintenance methods to enhance the efficiency of Siemens positioners - HCBBS Forum
28. S7-1200 Profibus-DP Communication (3) – Programming Test - HCBBS Forum
29. There are various toxic gases in the area; is it possible to use just one toxic gas detector for detection? - HCBBS Forum
30. What’s the difference between verification and calibration? Which instruments are classified as instruments subject to mandatory calibration? - HCBBS Forum
31. pcs7 AI card passivation - HCBBS Forum
32. Can plastic pipes be used for automatic instrument air lines? - HCBBS Forum
33. Siemens HMI, touch screens, configuration and application technologies - HCBBS Forum
34. Is temperature or pressure compensation required when using an orifice plate with a differential pressure transmitter to measure steam flow? - HCBBS Forum
35. May I ask how the I/O table for the instruments and the wiring diagram for the electrical secondary control systems are prepared? Based on the PID drawings? - HCBBS Forum
36. Metal rotor flowmeter - HCBBS Forum
37. 【Video】3D animation demonstrating the structure, principle, and adjustment steps of the relief valve [View reply to see] - HCBBS Forum
38. Does anyone know about the high-demand mode for PFD calculations? - HCBBS Forum
39. Measurement issues of intermittent feed flow meters - HCBBS Forum
40. Who can share a simulation software for Yokogawa CS3000 or CENTUMVP? I would be extremely grateful - HCBBS Forum
41. Please, those who are involved in paper manufacturing and waste paper packaging, help out with the issue of unpacking waste paper - HCBBS Forum
42. Has anyone seen a pressure regulator with a check valve function? Please provide information or make recommendations - HCBBS Forum
43. Help: There is a large discrepancy between the steam production and the users’ consumption - HCBBS Forum
44. HGT 20513-2014 Specification for Grounding Design of Instrumentation Systems - HCBBS Forum
45. Are there any recommended companies for repairing Siemens online chromatographs? - HCBBS Forum
46. Bentley 177230 Vibration Probe - HCBBS Forum
47. Seeking advice on the installation of a drum water level gauge - HCBBS Forum
48. What is the corrosion behavior of calcium hydroxide solution when in contact with 316L at around 80°C? - HCBBS Forum
49. Rosemount temperature transmitter selection and quotation - HCBBS Forum
50. Main technical specifications of the steel belt type weight level gauge (dual-chamber isolated type) - HCBBS Forum
51. Problems with explosion-proof junction boxes - HCBBS Forum
52. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05–15 - HCBBS Forum
53. Calculation of the anti-surge valve opening - HCBBS Forum
54. I would like to ask what types of drawings should be produced by the instrumentation and automation department in a design institute? - HCBBS Forum
55. Re discussion on the isolation of high-temperature media - HCBBS Forum
56. Has anyone studied this? - HCBBS Forum
57. The opening on the device for the instrument - HCBBS Forum
58. I would like to ask experts and specialists for their insights on the issue of condition monitoring for large-scale machinery. - HCBBS Forum
59. How to deal with an increased system ground resistance - HCBBS Forum
60. Measurement principle of rotary wheel flowmeters, common fault phenomena and solutions - HCBBS Forum
61. Quality monitoring of the width of cold- and hot-rolled strip steel is carried out using on-line width measuring devices - HCBBS Forum
62. Selection of the root valve for balance flow meters - HCBBS Forum
63. Selection of flow meter for acetylene slurry clear liquid - HCBBS Forum
64. 【Material Selection for 2026】Material selection for core components of instruments (corrosion resistance, impact resistance, high-temperature tolerance) - HCBBS Forum
65. Questions about the GDS system - HCBBS Forum
66. 【2026 Actuators】How to determine whether the diaphragm of a pneumatic actuator needs to be replaced - HCBBS Forum
67. Bellows pneumatic valve dedicated for chlorine gas - HCBBS Forum
68. How to address resistor noise issues in precision resistor application circuits - HCBBS Forum
69. About DCS and PLC - HCBBS Forum
70. What investment is needed to start an instrument factory? - HCBBS Forum
71. Remote transmitter out of range - HCBBS Forum
72. PID parameter tuning - HCBBS Forum
73. Purchase assistance needed: methods and channels for sourcing components for instruments and meters - HCBBS Forum
74. Remove the words \"real\" and \"two\", it’s now official - HCBBS Forum
75. Flow meter selection - HCBBS Forum
76. Does the fire alarm signal need to go into the SIS? - HCBBS Forum
77. Is it okay if the DCS control room is located too far away from the equipment? - HCBBS Forum
78. Issues related to level gauge selection - HCBBS Forum
79. What components are included in the signal conversion units of a DCS system? - HCBBS Forum
80. Regarding explosion-proof display screens - HCBBS Forum
81. Is there a type of pressure gauge that can be installed between two flanges? ? ? - HCBBS Forum
82. Methods for optimizing the efficiency of floating tanks using water! - HCBBS Forum
83. DCS simulation software - HCBBS Forum
84. Flange help post - HCBBS Forum
85. Wiring of electronic pressure switch contacts - HCBBS Forum
86. How do instrument technicians determine whether the temperature-sensing element of a thermal resistor is open-circuited or short-circuited? - HCBBS Forum
87. I need help: what is the voltage of the solenoid coil? - HCBBS Forum
88. Can a 24V power supply always be connected where there are pressure transmitters and temperature transmitters? - HCBBS Forum
89. Level gauge - HCBBS Forum
90. Migration of double-flange differential pressure transmitters - HCBBS Forum
91. What causes fluctuations in Fisher valve positioners? - HCBBS Forum
92. Solve the thermocouple thermometer problem! - HCBBS Forum
93. Orifice plate flow meter - HCBBS Forum
94. Solve - HCBBS Forum
95. Methods for detecting internal leakage in valves (contributions welcome) - HCBBS Forum
96. The grading number and characteristics of thermal resistors - HCBBS Forum
97. Is it still necessary to take the exam for a First-Class Constructor? - HCBBS Forum
98. Principle of the locator: What is the relationship between the baffle, nozzle, throttle hole, and amplifier? - HCBBS Forum
99. Proper use of the HART375 handheld communicator - HCBBS Forum
100. Selection issues for pressure calibrators - HCBBS Forum