English — Forum #350 (Page 6/163)

1. Questions regarding electromagnetic cables - HCBBS Forum
2. The weird guy in the PID diagram - HCBBS Forum
3. 【Standard Specifications】2025 Edition Compilation of Mandatory Provisions for Construction Projects (General Specifications, Design Specifications...) - HCBBS Forum
4. Thermistor zero-current issue - HCBBS Forum
5. I need the manual for the Bentley 2300-20 monitor, thank you! - HCBBS Forum
6. Cable issue - HCBBS Forum
7. Is the gas detector 24VGND connected to the housing? ? ? - HCBBS Forum
8. Vortex flowmeters exhibit significant errors when measuring compressed gases - HCBBS Forum
9. 【2025 Temperature Instruments】13 Classic Cases of Rosemount™ Temperature Transmitters - HCBBS Forum
10. DHH805A controller upgrade - HCBBS Forum
11. Precise pressure control method behind the buffer tank - HCBBS Forum
12. [2025 Instrument Encyclopedia] Performance Comparison and Selection of 304, 304L, 316, and 316L Stainless Steels - HCBBS Forum
13. Vortex flowmeter fluctuations - HCBBS Forum
14. What are the principles for relay isolation in control systems? - HCBBS Forum
15. 【2025 Knowledge Accumulation】9. Issues with control valves - HCBBS Forum
16. Requirements for temperature and humidity in control rooms, cabinet rooms, and local cabinet rooms - HCBBS Forum
17. TriStation 1131 System Video Training Tutorial - HCBBS Forum
18. SIL level issue - HCBBS Forum
19. Latest Honeywell DCS training materials - HCBBS Forum
20. During the repair, when asked how long it would take to fix it, how did you reply? - HCBBS Forum
21. [2025 Project Video] On-site videos of large-scale petrochemical project construction - HCBBS Forum
22. 【2025 Process Piping】The key differences between \"industrial piping\" and \"process piping\" - HCBBS Forum
23. 【2025 Book Recommendations】PID Controller Parameter Tuning and Implementation - HCBBS Forum
24. Electromagnetic flowmeter shows readings without water flow - HCBBS Forum
25. Question: Is the configuration program uploaded via the PLC in STEP7 complete? - HCBBS Forum
26. 【Essentials for 2025 in the Industrial Sector】PLC: A Handbook Essential for Industrial Use - HCBBS Forum
27. Dinghua Radar Instrument Training School: What are the influencing factors and applicable scenarios of radar level gauges? - HCBBS Forum
28. Is there a level alarm element that can generate an alarm signal upon contact with a liquid? - HCBBS Forum
29. Issue of the laying spacing between instrument cables and electrical cables - HCBBS Forum
30. 【2025 At a Glance】Structural Differences Between Air-Open Valves and Air-Close Valves - HCBBS Forum
31. 【2025 Sharing】Common Issues in HAZOP Analysis - 3/15 - HCBBS Forum
32. Regarding whether multi-core cables can be used jointly for the DI and DO of electric valves - HCBBS Forum
33. The natural gas flow meter itself has data, but no flow rate is displayed on the HMI – what could be the reason? - HCBBS Forum
34. 【Weekend Share-9】Do stainless steel and aluminum alloy cable trays need to be bridged? - HCBBS Forum
35. Should the control system installed on-site be placed in an on-site cabinet room, or will an open area suffice? - HCBBS Forum
36. Can gas explosion-proof equipment replace dust explosion-proof equipment? [Video] @ Chemical Chat Daily AT13 - HCBBS Forum
37. Questions about PID legend - HCBBS Forum
38. Switch valve feedback signal - HCBBS Forum
39. 【Y2025】Practical Technical Handbook for Petrochemical Engineers - HCBBS Forum
40. Seeking Fosda-designed PID legend - HCBBS Forum
41. Valve deviation: A crucial factor that cannot be overlooked in business operations - HCBBS Forum
42. Regarding the estimated price of DCS - HCBBS Forum
43. Detailed Explanation of the FTE Network in Honeywell DCS Systems - HCBBS Forum
44. How do radar level gauges avoid false echoes? - HCBBS Forum
45. 【2025 Industrial Automation Updates】International Automation Association releases the latest ISA-95 standard - HCBBS Forum
46. Do pneumatic valves also need electricity? Advantages and disadvantages of electric valves - HCBBS Forum
47. 【Haichuan Chemical Construction Technology】The ultimate solution to extend the lifespan of instrument pipelines in winter – starting with electric heating - HCBBS Forum
48. Can the DO cards and relay amplification boards of Zhejiang University Zhongkong’s 300 system be extended using cables? - HCBBS Forum
49. 【Industrial Automation News】Two major industrial automation giants (ABB, Siemens) merge their businesses; new company established in Shanghai - HCBBS Forum
50. Yokogawa licensing issue - HCBBS Forum
51. 【2025 Sharing】Common Issues in HAZOP Analysis - 1/15 - HCBBS Forum
52. Regarding the use of temperature sensors to control the start and stop of fans - HCBBS Forum
53. How to Use Parallel Scan HART Protocol Transmitters Efficiently: A Complete Guide - HCBBS Forum
54. Working principle of explosion-proof ovens - HCBBS Forum
55. Gas detector, gas analyzer - HCBBS Forum
56. 【2025 Sharing】Common Issues in HAZOP Analysis - 2/15 - HCBBS Forum
57. [2025 Diagram Analysis] Control Valve Pneumatic Circuit Diagram (4/4) - HCBBS Forum
58. Standard for symbols of temperature instruments - HCBBS Forum
59. Could everyone help analyze the reasons for the actuator’s thermal protection? - HCBBS Forum
60. Yokogawa transmitter mode issue - HCBBS Forum
61. Common PID mnemonics: - HCBBS Forum
62. Seeking advice on DCS remote transmission issues for magnetic flap level gauges - HCBBS Forum
63. MTL838 configuration issue with PCS83 software - HCBBS Forum
64. Which brand of locators allow for online replacement of the locator? - HCBBS Forum
65. Explosion protection rating of the instrument - HCBBS Forum
66. Which expert has the manual for DKK’s HDM-135APH? - HCBBS Forum
67. Detailed Explanation of Interference Factors in Radar Level Meters - HCBBS Forum
68. Common detectors for combustible and toxic multi-medium release sources? - HCBBS Forum
69. DCS Interlock Logic Diagram – Describing It by Looking at the Diagram - HCBBS Forum
70. The Desulfurization Tower No. 4 at Zhongan United has been equipped with the domestically produced CEMS-2000N analyzer - HCBBS Forum
71. 【2025 Certification Knowledge】Comprehensive Overview of the Latest CCC Certification Catalog for Explosion-Proof Electrical Products in 2025 - HCBBS Forum
72. Regarding the fact that pressure gauges are not safety accessories, is it necessary to calibrate them one by one? - HCBBS Forum
73. Question: When was the officially released version of the locally revised GB/T 50770-2023 published? - HCBBS Forum
74. How to choose a furnace thermometer - HCBBS Forum
75. 【2026 Industry Trends】Sinopec Accelerates Transformation of Gas Stations - HCBBS Forum
76. 【2025 Flow Meters】Stable measurement of low flow rates under unstable pressure conditions - HCBBS Forum
77. Problems with orifice plate flow meters - HCBBS Forum
78. 【2025 Knowledge Accumulation】Questions 4–6 with Answers - HCBBS Forum
79. [2025: Understand at a Glance] A quick guide to the proper installation of combustible gas and toxic gas detectors - HCBBS Forum
80. 【Weekend Share-23】What are the differences between RS232 and RS485 interfaces? - HCBBS Forum
81. 【2025 Book Recommendations】\"Petroleum and Chemical Equipment Maintenance and Repair Procedures (Volume 7): Instruments\" - HCBBS Forum
82. Regarding DCS power supply issues - HCBBS Forum
83. Installation sequence of pressure transmitters, platinum resistors, and flowmeters - HCBBS Forum
84. Insertion depth of plug-in diaphragm pressure transmitter - HCBBS Forum
85. Working with chemical automation control instruments is considered a special type of work - HCBBS Forum
86. Discussion on the long-term use of flame detectors - HCBBS Forum
87. 【2025 Control System】Host computer ≠ Configuration software - HCBBS Forum
88. Wiring box with terminal panel using PCB circuit boards - HCBBS Forum
89. How should measuring instruments be installed on the main pipes of public utility systems? - HCBBS Forum
90. 【2025 Tech Essentials】The differences between custom automation and standard automation - HCBBS Forum
91. Dinghua Radar Instrument Training School: How to distinguish and compare the performance of high-frequency and low-frequency radar level gauges? - HCBBS Forum
92. When the control room of a chemical manufacturing plant is relocated, is it necessary to re-test the circuits after the relocation is completed? What is the basis? - HCBBS Forum
93. Should a liquid chlorine bellows globe valve use a hard seal or a soft seal? - HCBBS Forum
94. 【Y2025】200 Questions on Flow Meters - HCBBS Forum
95. Is the installation of instruments in the complete set of equipment compliant? - HCBBS Forum
96. 【Weekend Share-3】Can flexible hoses be used to connect pipes in chemical plants? - HCBBS Forum
97. The characteristics of the three flow characteristics of control valves - HCBBS Forum
98. Is there a difference between the RC and ZG interfaces? - HCBBS Forum
99. Export of WINCC Classic flowcharts - HCBBS Forum
100. Are there any pneumatic cut-off valve products designed for vertical installation? - HCBBS Forum