English — Forum #350 (Page 81/163)

1. Could you all recommend some manufacturers of good control consoles and auxiliary control consoles, along with their contact information? - HCBBS Forum
2. Cable tray bridging - HCBBS Forum
3. Mandatory calibration of mass flow meters - HCBBS Forum
4. Valve size issue - HCBBS Forum
5. PID dynamic parameter change - HCBBS Forum
6. The cost-performance issue of micro pumps - HCBBS Forum
7. Explosion-proof certification - HCBBS Forum
8. Question: Selection of flowmeter for o-chlorobenzyl chloride - HCBBS Forum
9. What is the difference between Siemens SIS system and its PCS7? - HCBBS Forum
10. Step control principle - HCBBS Forum
11. Taking on chemical process automation design - HCBBS Forum
12. Analysis of relay failure modes and countermeasures - HCBBS Forum
13. Are there any recommended companies for repairing Siemens online chromatographs? - HCBBS Forum
14. Seeking advice on measuring the density of the medium with a mass flow meter - HCBBS Forum
15. Hollyland DCS software - HCBBS Forum
16. Where can I find sensors for the pyrolysis of industrial salts at temperatures ranging from 650°C to 1000°C and under pressures of 5–10 MPa? - HCBBS Forum
17. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 06–01 - HCBBS Forum
18. E and T denote the sensing element and transmitter respectively; so when to use TT (PT) and when to use TE (PE)? - HCBBS Forum
19. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 09–26 - HCBBS Forum
20. The significance of headspace analyzers - HCBBS Forum
21. Work interface for instrument selection - HCBBS Forum
22. Instrument interlock warning sign - HCBBS Forum
23. AW-LED type flameproof electronic display screen - HCBBS Forum
24. Standardized discussion - HCBBS Forum
25. Looking for experienced experts in YOKOGAWA DCS communication to provide guidance - HCBBS Forum
26. Cable tray support - HCBBS Forum
27. Discussion on letter combinations for instrument functions - HCBBS Forum
28. AW–CS type runaway vehicle alarm - HCBBS Forum
29. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 10–21 - HCBBS Forum
30. Mass flow meter - HCBBS Forum
31. How to detect sublimates during distillation in order to achieve automatic control. - HCBBS Forum
32. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 07–15 - HCBBS Forum
33. Manual valve - HCBBS Forum
34. Can holes be made in explosion-proof walls to accommodate instrument cable trays? - HCBBS Forum
35. Code for the Depth of Design Documents of Automatic Control Engineering for Chemical Plant Equipment HG/T 20638-2017 - HCBBS Forum
36. I would like to ask about the flow compensation algorithm in Zhejiang University’s ZHKong DCS - HCBBS Forum
37. Design principle of pressure-type level gauges - HCBBS Forum
38. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05–17 - HCBBS Forum
39. Minor issues with double-flange level gauges - HCBBS Forum
40. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 07–12 - HCBBS Forum
41. For a painting booth that is about 30 meters long, 5 meters wide, and 4 meters high, which type of flame detector is most suitable: ultraviolet, dual-wave infrared, or combined ultraviolet-infrared? How many do I need to install? How to arrange the installation - HCBBS Forum
42. Domestic instruments and meters rely largely on foreign sources; graduates of the “Measurement and Control Technology and Instruments” major end up working as wiring technicians or adjusters - HCBBS Forum
43. What does it mean when a Yokogawa user is prompted to check the status of the PC with the database project upon logging in? - HCBBS Forum
44. Installation requirements for the pressure guide tube of Guan Yuwen venturi flowmeter - HCBBS Forum
45. Help from a layperson – Pt100 signal conversion issue - HCBBS Forum
46. Is it in line with ** and industry standards to have both DCS interlocks and SIS interlocks based on the same causal logic? - HCBBS Forum
47. Problems with double-diaphragm metering pumps - HCBBS Forum
48. I would like to download a software for simulating chemical production. Could you recommend any good software? - HCBBS Forum
49. The hard drive of the DCS operation station is damaged; how to deal with it? - HCBBS Forum
50. How to wire a 4-wire instrument for Hart communication - HCBBS Forum
51. Petroleum and Chemical Equipment Maintenance and Repair Procedures, Volume 7: Instruments, 2004 Edition - HCBBS Forum
52. CS3000 system issues - HCBBS Forum
53. Alarm in the hydrofluoric acid production plant building - HCBBS Forum
54. Instrument certificate - HCBBS Forum
55. How to set the normally closed contact to 1? ! - HCBBS Forum
56. To help the leaders in the marine industry, we urgently need a new version of the ASCO solenoid valve sample! - HCBBS Forum
57. Seeking help with an online acetylene analyzer - HCBBS Forum
58. Are there central control personnel in some units who are recording process alarms? - HCBBS Forum
59. Hidden danger register // Which is better, the electronic or paper version of the program modification register? - HCBBS Forum
60. (Information Sharing) Case Study on Siemens PLCs - HCBBS Forum
61. Consulting about a ceramic pressure core issue - HCBBS Forum
62. I’d like to ask everyone: for online pH meters, which ones are good, whether they are imported or domestic? - HCBBS Forum
63. Design of fire shields for inlet and outlet isolation valves of storage tanks in tank farms - HCBBS Forum
64. Selection of level gauges with particulate matter handling capability - HCBBS Forum
65. Why is there a bend between the pressure gauge and the pipeline connection? - HCBBS Forum
66. DCS - HCBBS Forum
67. What requirements does the process impose on the weighing module of the sump and the stirring monitoring in the reactor? - HCBBS Forum
68. Questions regarding cable ducting - HCBBS Forum
69. DCV6200 locator - HCBBS Forum
70. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 07–27 - HCBBS Forum
71. Real-time monitoring of trace water? - HCBBS Forum
72. Information on VAISALA’s temperature and humidity transmitters, as well as dew point transmitters - HCBBS Forum
73. How to maintain combustible gas detectors - HCBBS Forum
74. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 06–22 - HCBBS Forum
75. Useful Tips | Understand Zero Shift Calculation for Double-Flange Level Transmitters with 8 Diagrams - HCBBS Forum
76. IEC61511-1 Sharing - HCBBS Forum
77. The cable fault tester is convenient for on-site use - HCBBS Forum
78. Help, installing ASPEN V8.4 - HCBBS Forum
79. Help needed - HCBBS Forum
80. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 09–01 - HCBBS Forum
81. Which approach is reasonable: adding tees outside the electromagnetic flowmeter or reducing the diameter inside the flowmeter? - HCBBS Forum
82. SMC Mechanical Valve VM Series - HCBBS Forum
83. Guided wave radar technical consultation - HCBBS Forum
84. Seven-step method for troubleshooting instruments - HCBBS Forum
85. One diagram to show the “family relationships” within the family of automated instruments - HCBBS Forum
86. Help needed - HCBBS Forum
87. Seeking help to test the density of oil-based solvents - HCBBS Forum
88. Siemens vacuum negative pressure transducer - HCBBS Forum
89. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 11–01 - HCBBS Forum
90. What is the name of the accessory on the control valve? - HCBBS Forum
91. A cliché – a tutorial example on PID control* (reposted) - HCBBS Forum
92. [Science Popularization Post] Let’s talk about the two-wire intrinsically safe, explosion-proof level switches with sensor diaphragms that are not in contact with liquid. . . Let’s talk about it, Ya - HCBBS Forum
93. Some suggestions from Siemens regarding the grounding of DCS control systems - HCBBS Forum
94. Measuring gas; the differential pressure transmitter is below the pressure sensing element - HCBBS Forum
95. Issue of mismatch between the actual liquid level and the reading on the gauge after differential pressure level measurement range adjustment - HCBBS Forum
96. Fluctuations in the Anouba steam flow meter - HCBBS Forum
97. Which brands of PLCs have a redundant controller function? - HCBBS Forum
98. Measure the pressure above the reaction vessel; can a needle valve be installed between the pressure transmitter and the vessel? - HCBBS Forum
99. Classification of explosion hazard areas for flammable gases with air density similar to that of air - HCBBS Forum
100. Introduction to the Structure of Wire Diameter Measuring Instruments – Main Body Section - HCBBS Forum