English — Forum #350 (Page 67/163)

1. Seeking help from experts regarding chlorine gas alarm issues - HCBBS Forum
2. EJA variator - HCBBS Forum
3. Outsourcing of self-control projects - HCBBS Forum
4. What does it mean by a DPDT limit switch that can provide 240VAC, 3A dry contacts? - HCBBS Forum
5. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-21 - HCBBS Forum
6. Example demonstration and sharing of Safety Integrity Assessment (SIL verification) - HCBBS Forum
7. I would like to ask about the issues mentioned by Sedo Reese - HCBBS Forum
8. I’m suffocating; I can’t go anywhere since I have to stay at home. May I ask, for fecal flow meters, which brand is the best? That dung, the kind used as fertilizer, and also... - HCBBS Forum
9. A brief overview of the development history of oscilloscopes - HCBBS Forum
10. Are digital input and discrete input the same thing? - HCBBS Forum
11. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-02-26 - HCBBS Forum
12. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-05 - HCBBS Forum
13. Difference between feedforward and cascade control - HCBBS Forum
14. Flow meter selection - HCBBS Forum
15. External-mounted level gauges for accurate measurement of ethylene oxide media - HCBBS Forum
16. 1234 - HCBBS Forum
17. Are shut-off valves allowed to be installed before and after the emergency cut-off valve? - HCBBS Forum
18. Question for assistance: Can the control valve of the cumulative flow meter used for discharging material from the tank area be set to shut off automatically when the desired discharge volume is reached? - HCBBS Forum
19. Let’s take a look to see what type of level gauge it is - HCBBS Forum
20. What is this in the interlock logic diagram? - HCBBS Forum
21. Hollysys and ABBAKUS training course materials sharing - HCBBS Forum
22. Boiler water flow fluctuation issue - HCBBS Forum
23. How to distinguish pressure gauge interfaces - HCBBS Forum
24. Could some expert please help me figure out what this means? - HCBBS Forum
25. A few questions about control? - HCBBS Forum
26. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-17 - HCBBS Forum
27. Lecture on Conventional Instrumentation Knowledge in the Petrochemical Industry - HCBBS Forum
28. Adjustment of various parameters of vortex flow meters - HCBBS Forum
29. Concepts and distinctions between primary instruments, secondary instruments, local instruments, and remote transmission instruments - HCBBS Forum
30. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-05-25 - HCBBS Forum
31. Experts, in this pneumatic actuator, what type of valve is this POV and what is its function? - HCBBS Forum
32. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question No. 2020-01-01 - HCBBS Forum
33. Precautions for installing ultrasonic external level switches and common issues during calibration - HCBBS Forum
34. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–26 - HCBBS Forum
35. What does the abbreviation S/B in the diagram mean? - HCBBS Forum
36. Can a current meter for safety barriers be connected in parallel with a multimeter? - HCBBS Forum
37. How do instrument technicians perform SIL verification for SIS systems - HCBBS Forum
38. The safety instrumented system is only a part of the safety functions in process safety! - HCBBS Forum
39. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–24 - HCBBS Forum
40. Difference between IE grounding and PE grounding - HCBBS Forum
41. I want to ask what these symbols on the PID diagram represent - HCBBS Forum
42. When measuring blast furnace gas, the pressure guiding pipe is relatively long – is insulation or heating necessary? - HCBBS Forum
43. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–29 - HCBBS Forum
44. What is the function of the safety valve installed on the return flow of the circulating cooling water? - HCBBS Forum
45. Experience | 3 Key Points for Installing Ultrasonic External Level Switches - HCBBS Forum
46. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question No. 2020-03-22 - HCBBS Forum
47. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-04-28 - HCBBS Forum
48. DCS backend symbols - HCBBS Forum
49. Delete - HCBBS Forum
50. Regarding the issue of cable tray bridging - HCBBS Forum
51. Is there a rupture disc below this pressure sensing element? - HCBBS Forum
52. DCS logic programming - HCBBS Forum
53. Analysis of the advantages and disadvantages of the Metso locator ND7000 and the Siemens PS2 - HCBBS Forum
54. A question about control valves - HCBBS Forum
55. Dinghua electronic radar level gauges: differences between contact and non-contact types - HCBBS Forum
56. Seeking help with DCS control - HCBBS Forum
57. Impact of dual-flange capillary level measurement transmitters on the side above negative pressure - HCBBS Forum
58. Orifice plate flowmeter settings - HCBBS Forum
59. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-02-11 - HCBBS Forum
60. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–12 - HCBBS Forum
61. Problems with on-site installation of magnetic flap level gauges - HCBBS Forum
62. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question No. 2020-05-22 - HCBBS Forum
63. Seeking advice on CCS selection - HCBBS Forum
64. Is a production license required to manufacture PH, conductivity, and dissolved oxygen sensors at present? - HCBBS Forum
65. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-05-12 - HCBBS Forum
66. Which company is good for radar level gauges? - HCBBS Forum
67. SIS system performance metrics PFD and PFH - HCBBS Forum
68. How to export trend groups in Siemens 400 - HCBBS Forum
69. Dear seniors, what is the cylinder in the image below? Please explain its function and working principle - HCBBS Forum
70. Instrument valve signal conversion - HCBBS Forum
71. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-03 - HCBBS Forum
72. I don’t understand the data suffix in centum_vp! - HCBBS Forum
73. Looking for recommendations for solenoid valve manufacturers - HCBBS Forum
74. Yokogawa PH Analyzer FLXA21 Manual - HCBBS Forum
75. Temperature fluctuations, RTD is normal - HCBBS Forum
76. Emerson Trex Equipment Communicator Operation Manual - HCBBS Forum
77. Is it appropriate to install solar panels on liquid oxygen tanks? - HCBBS Forum
78. What are the commonly used online hydrogen analyzers at present? - HCBBS Forum
79. Zero adjustment issue of the Yamaki positioner AVP301RSD3A - HCBBS Forum
80. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-03-15 - HCBBS Forum
81. Recommendations for spherical tank level gauges - HCBBS Forum
82. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-15 - HCBBS Forum
83. Selection of electrodes for detecting heat exchanger leaks - HCBBS Forum
84. RS flip-flop, the set output must remain at 1 - HCBBS Forum
85. What is the corrosion behavior of calcium hydroxide solution when in contact with 316L at around 80°C? - HCBBS Forum
86. Issues regarding the determination of the security level for SIS system integrity - HCBBS Forum
87. The valve at the bottom line of the condensate steam tank vibrates severely - HCBBS Forum
88. Is the pressure regulation of a self-acting control valve related to flow rate? - HCBBS Forum
89. For media at high temperatures of 200 degrees or even above 200 degrees, how should a pressure and vacuum transmitter be selected? - HCBBS Forum
90. Difference between split-type and integrated electromagnetic flowmeters - HCBBS Forum
91. How does Honeywell PKS implement fluctuation alarms/rate of change alarms? - HCBBS Forum
92. What is the difference between so-called front-mounted and back-mounted instruments? - HCBBS Forum
93. Which domestic low-cost recorder can achieve a recording interval of 0.01 seconds? - HCBBS Forum
94. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-05-04 - HCBBS Forum
95. Usage characteristics of rotameters - HCBBS Forum
96. How to modify dimensions online in Hilscher 5.2.3 - HCBBS Forum
97. Signal transmission issues with pneumatic control valves - HCBBS Forum
98. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-05-07 - HCBBS Forum
99. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question dated 2020-01-18 - HCBBS Forum
100. Vortex flowmeters that are well-made in China - HCBBS Forum