English — Forum #350 (Page 109/163)

1. Looking at the competition and cooperation in the instrumentation industry through the rivalry between Tencent and Douyin - HCBBS Forum
2. Electromagnetic flowmeter - HCBBS Forum
3. Selection of chemical process flowmeters - HCBBS Forum
4. CS3000 Rising Delay Timer OND - HCBBS Forum
5. For a 550-degree switch ball valve, can CF8M be used for the valve body? What material should be used for the internal components? - HCBBS Forum
6. Selection of mass flow meters - HCBBS Forum
7. 【Control Version】One Question per Day 20180609 - HCBBS Forum
8. What are the reasons for large fluctuations in the readings of thermal gas mass flow meters? - HCBBS Forum
9. In the cumulative unit parameters of the axf electromagnetic flowmeter, what does \"um unit/p\" mean, and how should it be understood in conjunction with B31? - HCBBS Forum
10. 【Control Version】One Question per Day 20180718 - HCBBS Forum
11. Interference issues in the instrument system cabinet and electrical cabinet - HCBBS Forum
12. After installing TIA Portal V14, devices cannot be added; the devices appear as an exclamation mark. - HCBBS Forum
13. HACH CODMA*I - HCBBS Forum
14. Problems with Siemens analog module SM1232 - HCBBS Forum
15. Help me check out the function of this. If I combine all 4 channels together and connect them through one set of wires, will I then not need this device? - HCBBS Forum
16. Why is the connection point wrapped with rubber when installing a radar level gauge in a storage tank? - HCBBS Forum
17. How to wire the normally open and normally closed contacts of a push button switch - HCBBS Forum
18. Instrument tray installation - HCBBS Forum
19. Regarding the material of pressure gauges for ammonia - HCBBS Forum
20. How to fix this error in Yokogawa’s SIS? - HCBBS Forum
21. How does the GE PAC8000 communicate with Honeywell’s TPS? - HCBBS Forum
22. Action and reaction - HCBBS Forum
23. Standards for gaskets used with M20*1.5 pressure gauges - HCBBS Forum
24. Materials required for the standard assessment of pressure gauges - HCBBS Forum
25. 【Basic Knowledge】Working principle, structure, and basic characteristics of thermal resistors - HCBBS Forum
26. How to prevent dust from entering the cabinet room - HCBBS Forum
27. Reasons for the oxidation of cable copper wires - HCBBS Forum
28. Principle of MTL safety barrier—Introduction - HCBBS Forum
29. Who has the standards and guidelines regarding the service life of solenoid valve coils? - HCBBS Forum
30. Preparations before instrument bidding - HCBBS Forum
31. Why is anti-repeated startup configured in the interlock diagram of our plant’s refrigeration units? - HCBBS Forum
32. Help! The output in milliamps of the 3051 pressure transmitter is abnormal! - HCBBS Forum
33. Communication methods for thermal resistors, thermocouples, and pressure transmitters in factory production sites - HCBBS Forum
34. What brand of DCS is used in the main PTA unit of Tongkun Zhejiang Petrochemical? - HCBBS Forum
35. Does anyone have a question bank for Honeywell PKS? - HCBBS Forum
36. Foss positioner - HCBBS Forum
37. Negative drift of pressure transmitter - HCBBS Forum
38. If a wedge flow meter is installed vertically, how can a double-flange connection be transferred? - HCBBS Forum
39. 【Instrument Explosion Protection】Knowledge of intrinsically safe explosion protection technology for instruments that instrument professionals should know - HCBBS Forum
40. Overall design of the automated calibration system for vortex flowmeters - HCBBS Forum
41. Several questions about differential pressure flow meters - HCBBS Forum
42. Seeking help from experts - HCBBS Forum
43. Calculation of the flow coefficient for control valves - HCBBS Forum
44. APC documentation and communication issue resolution - HCBBS Forum
45. Can an explosion-proof distribution box be placed on top of a fuel oil storage tank? - HCBBS Forum
46. The pneumatic emergency shut-off valve leaks and does not close properly – how to deal with it? - HCBBS Forum
47. Are the GDS (Gas Detection System) and FGS (Fire Alarm System) part of the same system for the entire plant? - HCBBS Forum
48. Who knows what instruments pharmaceutical factories need? - HCBBS Forum
49. Solve! - HCBBS Forum
50. Where are swirl vortex flowmeters suitable for installation? - HCBBS Forum
51. In SIMATIC WinCC flexible SMART V3, the parameters of the connection interface cannot be modified - HCBBS Forum
52. Explanation of the four most commonly used grades of carbon structural steel: ABCD - HCBBS Forum
53. Common problems and solutions for vortex flowmeters - HCBBS Forum
54. After the valve positioner loses 4-20mA power and then the 4-20mA supply is restored, can the valve immediately return to its original opening degree? - HCBBS Forum
55. Urgent! Urgent! Control valve diameter calculation software - HCBBS Forum
56. CS3000: Check whether this symbol is AND or OR - HCBBS Forum
57. Super detailed technical information on the Honeywell PKS PMD R831.1 system - HCBBS Forum
58. Boiler fixed drainage valve - HCBBS Forum
59. Regarding the instrument setup for the fuel gas pipeline in the heating furnace - HCBBS Forum
60. Who knows, maybe that will allow one to obtain a certificate as an instrument operator or something similar - HCBBS Forum
61. How to achieve DP communication between the S7-200 and ABB 510 frequency converters in order to monitor the motor’s operating status (current, speed, alarms)? - HCBBS Forum
62. How was it damaged? - HCBBS Forum
63. What are the advantages of Rotork actuators compared to those of other brands? - HCBBS Forum
64. Solenoid coil - HCBBS Forum
65. What is this component of the pneumatic door used for? - HCBBS Forum
66. Who has the SIS management system? Please send one for reference - HCBBS Forum
67. High-vacuum distillation process: use an absolute pressure transmitter - HCBBS Forum
68. What documents are required for the calibration of new project instruments (the first instrument calibration), namely individual calibration and joint calibration? What documents does Party A need to check? - HCBBS Forum
69. Seeking help with the report format for self-control rate statistics. - HCBBS Forum
70. Signal cable for water pump electrical control cabinet - HCBBS Forum
71. Honeywell R410 Virtual Machine Sharing - HCBBS Forum
72. How to deal with an ultrasonic flow meter being out of range - HCBBS Forum
73. Who knows which company made this product? - HCBBS Forum
74. What is the minimum pressure that can be measured by a double-flange diaphragm differential pressure transmitter? - HCBBS Forum
75. What is the performance of high-frequency radar level gauges when used for measuring coal powder? - HCBBS Forum
76. In-depth article: Analysis of soft breakdown faults in thermal resistors - HCBBS Forum
77. Siemens positioner - HCBBS Forum
78. Calculation formula for control valve CV value - HCBBS Forum
79. The E+H FMU90 level gauge measures liquid levels that contain foam - HCBBS Forum
80. The control valve starts to regulate on its own - HCBBS Forum
81. 3051 Differential Pressure Flow Transmitter - HCBBS Forum
82. Common level control systems; it’s best to have diagrams - HCBBS Forum
83. Selection of combustible and toxic gas alarms - HCBBS Forum
84. A Brief Analysis of Control Valves - HCBBS Forum
85. Is the density of the toxic gas hydrogen fluoride less than that of air, and how should it be installed on-site? - HCBBS Forum
86. Standards for gaskets - HCBBS Forum
87. Reading of the magnetic flap level gauge - HCBBS Forum
88. How to measure the insulation of a three-core signal shielded cable? Seeking help - HCBBS Forum
89. Question: Function and maintenance of the diaphragm in ceramic pulse valves - HCBBS Forum
90. Issues regarding cable connections for fixed combustible gas detectors - HCBBS Forum
91. When using a tuning fork switch to measure material level, must it be installed in a horizontal pipeline? - HCBBS Forum
92. Understanding DCS software and basic configuration - HCBBS Forum
93. Kaitek level gauge AT100 - HCBBS Forum
94. DCS simulation software - HCBBS Forum
95. Does anyone know about the high-demand mode for PFD calculations? - HCBBS Forum
96. What is inside the red box? - HCBBS Forum
97. Recommendations for rodent prevention in control cabinets - HCBBS Forum
98. Ground fault issue - HCBBS Forum
99. Precautions for the installation and use of ultrasonic open-channel systems - HCBBS Forum
100. Common combinations of instrument function indicators - HCBBS Forum