English — Forum #350 (Page 43/163)

1. It’s called water method - HCBBS Forum
2. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2021-01-08 - HCBBS Forum
3. SIS signal isolation - HCBBS Forum
4. Field use of dissolved oxygen electrodes - HCBBS Forum
5. Is the pneumatic single-seat control valve used for nitrogen sealing of the storage tank open when pressure is lost or closed when pressure is lost? - HCBBS Forum
6. S7-1200: An overview of the programming methods and the use of blocks for S7-1200 - HCBBS Forum
7. Precautions for using external level gauges - HCBBS Forum
8. I have a problem with the configuration of the 33 module in the Bentley 3500. I would like some advice. - HCBBS Forum
9. Calculation of air compressor flow rate - HCBBS Forum
10. Regarding the location of the tank farm control room - HCBBS Forum
11. What to do if a double-flange level gauge is affected by ambient temperature? - HCBBS Forum
12. Cylinder magnetic switch - HCBBS Forum
13. Control of temperature and humidity in the instrument cabinet room in winter - HCBBS Forum
14. What are some good imported electromagnetic flowmeters that offer high precision and good stability? - HCBBS Forum
15. I need accessories for the float level gauge display panel; could you please check if there are any contact details for this brand? - HCBBS Forum
16. What is the difference between DCS, SIS, and MIS? - HCBBS Forum
17. Which is the best quantitative loading system? Please help recommend one, thank you. - HCBBS Forum
18. How to switch between DCS mains power and UPS power? - HCBBS Forum
19. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2020-12-16 - HCBBS Forum
20. Calibration is carried out using analog signal comparison methods - HCBBS Forum
21. ​ Common problems and solutions in the calibration of sonar-type external level gauges - HCBBS Forum
22. Commissioning steps for Foxboro float level gauge 244LD - HCBBS Forum
23. How long are the armored thermoresistors? Thank you - HCBBS Forum
24. Suggestions from some valve manufacturers - HCBBS Forum
25. How much do you know about these continuous thermocouples/thermopile thermocouples? - HCBBS Forum
26. Can a side-mounted guided-wave radar be used for the medium-pressure drum level measurement? - HCBBS Forum
27. Do thermoresistive thermocouples fall under transmitters or pressure instruments? - HCBBS Forum
28. Can PT100+ temperature sensors operate for a long time at 300 degrees Celsius? - HCBBS Forum
29. Automatic control technology in the pharmaceutical industry - HCBBS Forum
30. Guidelines for the Setting of Interlock Protection Systems in Tubular Heaters of Refining Units - HCBBS Forum
31. Problems with the Honeywell DCS system screens - HCBBS Forum
32. How are the results calculated by the instruments in PKS displayed in the flowchart? - HCBBS Forum
33. Interlocking Logic Diagramming* - HCBBS Forum
34. Features of the 635 power supply disturbance-free rapid switching device - HCBBS Forum
35. Problems with instrument safety barriers - HCBBS Forum
36. Problems with packing installation in control valves - HCBBS Forum
37. Job search regarding issues with the bus modulator FBM2180 - HCBBS Forum
38. I have a question regarding Zhejiang Zhongkong interlocking systems, and I’d like to ask the experts for their advice! - HCBBS Forum
39. Advantages and disadvantages of external measuring level gauges in petrochemical tank farms - HCBBS Forum
40. Temperature gauge installation specifications - HCBBS Forum
41. ECS 700 - HCBBS Forum
42. Schematic diagram of the steel strip weight hammer level gauge - HCBBS Forum
43. Calculation of pressure difference at different opening degrees of control valves - HCBBS Forum
44. Valve electrical converter - HCBBS Forum
45. An external ultrasonic level switch is used to monitor or control the liquid level - HCBBS Forum
46. Features of the DCM621BC/JN comprehensive motor vibration resistance tester - HCBBS Forum
47. Are there any specified standards regarding the number of voting options for chemical process interlock sensors, such as three-out-of-two or two-out-of-two? - HCBBS Forum
48. What kind of level gauge is this? - HCBBS Forum
49. Method of saving adjustment parameters for ECS700 - HCBBS Forum
50. Does the pneumatic cut-off valve of FL remain in the closed position in case of a air supply failure, or in case of a solenoid valve failure? - HCBBS Forum
51. For extremely high concentrations of pentane gas, what is used to measure its concentration? - HCBBS Forum
52. Zhejiang University Zhongkong ECS-700 - HCBBS Forum
53. Selection of instruments related to automatic control - HCBBS Forum
54. FISHER buoy interface calibration - HCBBS Forum
55. Regarding the temperature control issue of jacketed reactors: - HCBBS Forum
56. Equal precision of modules in control systems - HCBBS Forum
57. What are the flowmeters and level gauges that can measure concentration? - HCBBS Forum
58. How to read this air circuit diagram - HCBBS Forum
59. Interlock logic diagramming* - HCBBS Forum
60. Is the device located at the very top of the solvent storage tank a refrigeration unit? - HCBBS Forum
61. Issues with instrument selection - HCBBS Forum
62. Is there a time limit on the actuation time for the emergency shut-off valve of the pipeline on the butadiene transfer arm to close? - HCBBS Forum
63. S7-1200 Modbus RTU Communication (3) – Writing the Master Station Program - HCBBS Forum
64. I would like to ask the experts: How to start DCS interlock? - HCBBS Forum
65. Current transducer - HCBBS Forum
66. Chinese operation manual and feature description documents for PRM - HCBBS Forum
67. Does an ammonia regulating valve require a bellows seal? - HCBBS Forum
68. How does a vibrating rod level switch work? - HCBBS Forum
69. What signals are generally transmitted over PROFIBUS, and can it be used in SIS systems? - HCBBS Forum
70. YT Intelligent Positioner, Yongtai Korea - HCBBS Forum
71. Collection of Self-Control Standard Specifications-V2021 - HCBBS Forum
72. Help! Issue regarding reading the status of cards in the DCS system by Zhejiang University Zhongkong - HCBBS Forum
73. I’m asking experts: does anyone have the manual for the Smart Positioner IP8181-03D valve positioner? - HCBBS Forum
74. What are the interference sources that affect the measurement of radar level gauges? - HCBBS Forum
75. Differential pressure level gauge (negative migration) - HCBBS Forum
76. Pilas probe models - HCBBS Forum
77. In-depth analysis of the history of pressure transmitters and the technical factors driving the development of the three generations of such products - HCBBS Forum
78. What analyzer is used for online measurement of methanol in gaseous media? - HCBBS Forum
79. Is it necessary to install a pressure gauge on site? - HCBBS Forum
80. Seeking advice on valve pneumatic circuit accessories. - HCBBS Forum
81. What flow meter is used for measuring filter cake flow? - HCBBS Forum
82. Seeking help with Yokogawa vortex flowmeter issues - HCBBS Forum
83. Regarding the measurement of exhaust gas from air ducts, all shipmates are welcome to discuss it - HCBBS Forum
84. Experts, stop here.... - HCBBS Forum
85. Double protection for tank level measurement – An introduction to a level measurement solution for \"hazardous chemicals\" - HCBBS Forum
86. Detect3D and in:Flux ------ Fire and Gas Mapping, software for evaluating and optimizing the layout of fire and gas detection systems - HCBBS Forum
87. Problems with the measurement and installation of steam flow meters - HCBBS Forum
88. Explosion-proof certification - HCBBS Forum
89. The pneumatic accelerator for the valve is leaking continuously - HCBBS Forum
90. Reactor motor fault interlock - HCBBS Forum
91. Instrument interlock setpoint issue - HCBBS Forum
92. Issues regarding the zero-point calibration of EJA pressure transmitters - HCBBS Forum
93. The installation of guided-wave radar and capacitive level gauges shall meet the following requirements - HCBBS Forum
94. What are the reasons for frequent fluctuations in radar level gauges? - HCBBS Forum
95. 【Help】Regarding the installation of DCS software - HCBBS Forum
96. In DCS configuration, in the single-loop ratio control in the conventional loop, how to set the ratio bit number? - HCBBS Forum
97. Standard oil tank - HCBBS Forum
98. Instrumentation Standard Specifications - HCBBS Forum
99. Issues with DCS output to field signals - HCBBS Forum
100. Why are two input points required for the solenoid valve digital signal during configuration? - HCBBS Forum