English — Forum #350 (Page 94/163)

1. For several PLC networking setups, is a clock server required? - HCBBS Forum
2. Anti-interference measures for automated control systems and instruments - HCBBS Forum
3. What do these two icons on the P&ID represent? - HCBBS Forum
4. Learning *Instrument Automation from Scratch - HCBBS Forum
5. Definition of paramagnetic oxygen analyzer - HCBBS Forum
6. What are the brands of instrumentation for large-scale unit shafting systems? - HCBBS Forum
7. The 3051 displays garbled characters; are all the characters fully lit? - HCBBS Forum
8. Gauge/thermocouple (resistive)/bimetallic thermometer/pressure transmitter gasket specifications and materials - HCBBS Forum
9. Problems with emergency shutdown systems for Class 1 or Class 2 major hazard sources - HCBBS Forum
10. Siemens positioner - HCBBS Forum
11. Dielectric constant requirements for radar level gauges - HCBBS Forum
12. Sewell pressure gauges - HCBBS Forum
13. Questions regarding the instrument installation diagram - HCBBS Forum
14. What is used to measure the liquid level of liquid ammonia? - HCBBS Forum
15. There are many types of control systems used in projects - HCBBS Forum
16. Difference between POS address rising edge detection and RLO rising edge detection - HCBBS Forum
17. Xiaobai is seeking advice on choosing cable specifications - HCBBS Forum
18. Siemens radar level gauge - HCBBS Forum
19. Looking back at 2018, what do those in the instrumentation field want to say? - HCBBS Forum
20. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05-06 - HCBBS Forum
21. Does the Hart protocol have to be based on a fieldbus? - HCBBS Forum
22. Help with logic diagrams - HCBBS Forum
23. Solutions to common problems in using pressure gauges - HCBBS Forum
24. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05-07 - HCBBS Forum
25. Selection of pressure transmitters for oxygen pipelines - HCBBS Forum
26. Throttling device calculation - HCBBS Forum
27. Instrument design specifications for those in need - HCBBS Forum
28. Reactor temperature measurement - HCBBS Forum
29. Help needed - HCBBS Forum
30. Regarding the junction box at the instrument cable connection - HCBBS Forum
31. Yokogawa model 118: the liquid level deviation when heated on one side is quite large - HCBBS Forum
32. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05–13 - HCBBS Forum
33. Switch valve bellows seal - HCBBS Forum
34. Measurement of water content in crude oil sedimentation tanks - HCBBS Forum
35. I have a question for everyone: when using a PLC RTD module, what wiring method—three-wire or four-wire—ensures accurate resistance measurement? - HCBBS Forum
36. Questions about solenoid valves and pneumatically controlled valves - HCBBS Forum
37. Installation of transmitter pressure lead pipes - HCBBS Forum
38. How to calibrate flow with a handheld controller - HCBBS Forum
39. What does 3W LOOP mean in the test lead sockets of a process verifier? - HCBBS Forum
40. Description of Foxboro IA’s function blocks - HCBBS Forum
41. Is there automatic control for fine chemical products produced in small batches with multiple varieties? What issues need attention? - HCBBS Forum
42. Seek petrochemical equipment maintenance procedures (instrumentation) - HCBBS Forum
43. Seeking help with Ingersoll Rand filters - HCBBS Forum
44. Calcium carbide manufacturers are starting to implement SIS systems - HCBBS Forum
45. Does the DCS modification program require two people? - HCBBS Forum
46. Can the emergency stop hard button on the SIS system’s auxiliary control panel be replaced with a soft button? - HCBBS Forum
47. SIS system management procedures and operation records - HCBBS Forum
48. Siemens PLC - HCBBS Forum
49. The instrumentation industry is recovering, driven strongly by increased investment in research and development - HCBBS Forum
50. Selection of the root valve for balance flow meters - HCBBS Forum
51. For fluidized bed boilers, which brand of DCS should be chosen? Domestic brands are preferred. - HCBBS Forum
52. Regarding the use of pressure transmitters to measure liquid level - HCBBS Forum
53. Rosemount pressure transmitters: the meaning of the model letters! - HCBBS Forum
54. Instrument accessories - HCBBS Forum
55. How to measure the level using a differential pressure transmitter with a self-made pressure guiding tube - HCBBS Forum
56. What does PRI mean? Is it displayed in DCS? - HCBBS Forum
57. Yokogawa AXF flow meter current output 4.04 ma - HCBBS Forum
58. Have you used the Entu software for central control? - HCBBS Forum
59. Which expert knows how to use the reverse accumulation with negative input in Allen-Bradley integral blocks? - HCBBS Forum
60. Handheld controller DD file format - HCBBS Forum
61. Consultation available for intrinsically safe cables and flame-retardant cables - HCBBS Forum
62. The Rosemount 3051 pressure transmitter cannot have its zero point adjusted - HCBBS Forum
63. How to choose a flow meter? - HCBBS Forum
64. Looking for Yokogawa CENTUM VP training materials - HCBBS Forum
65. Is a drain tee provided for instrument piping in chemical plants? - HCBBS Forum
66. Technical Specifications for Automated Instrumentation 2014 - HCBBS Forum
67. Alarm issues when the combustible gas detector is powered on - HCBBS Forum
68. I would like to ask everyone, which type of flow meter is more suitable for measuring chlorine gas flow? - HCBBS Forum
69. Online analyzer for trimethylamine and methyl chloroacetate - HCBBS Forum
70. Use of button colors in Honeywell systems - HCBBS Forum
71. How to determine the protection rating of a pressure transmitter? - HCBBS Forum
72. How is this block used in the ESD interlock logic? - HCBBS Forum
73. Are there any standard requirements for pressure gauge calibration records? - HCBBS Forum
74. Honeywell - HCBBS Forum
75. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 04–11 - HCBBS Forum
76. DN350 pneumatic diaphragm control valve (air-operated, normally open): How many liters of air are required per minute to fully close the valve? - HCBBS Forum
77. Questions regarding the pressure measurement range of differential pressure transmitters - HCBBS Forum
78. Thanks to those who are familiar with the ECS700 for their help - HCBBS Forum
79. Yokogawa CS3000 license - HCBBS Forum
80. Issues regarding the sealing of connections between G-threaded explosion-proof wire glands and galvanized steel pipes or flexible pipes - HCBBS Forum
81. Is surge protection installed in the instrument control room of the storage and transportation tank area of the ethylene plant? - HCBBS Forum
82. I was just criticized by a client; I’m feeling really down. These fake foreigners in Cologne are truly too malicious - HCBBS Forum
83. Are there any petrochemical maintenance companies around Sichuan? - HCBBS Forum
84. Should the process alarm values on the DCS be included in the operating procedures? - HCBBS Forum
85. Has anyone taken the exam for the certificate in repairing industrial automation instruments and devices? - HCBBS Forum
86. Problem with DCS voltage query - HCBBS Forum
87. Honeywell DP and Modbus RTU communication - HCBBS Forum
88. Issues regarding the selection of level gauges - HCBBS Forum
89. The Rosemount electromagnetic flowmeter shows no reading at low flow rates - HCBBS Forum
90. Does the negative terminal of the 24V DC power supply need to be grounded? - HCBBS Forum
91. Mass flow meter - HCBBS Forum
92. The materials before and after the valve are different - HCBBS Forum
93. ABB transmitters, how are they? A friend who has known me for many years will give a sincere answer - HCBBS Forum
94. Sharing solutions to the scaling problem of black water valves - HCBBS Forum
95. Problems with Yokogawa electromagnetic flowmeters - HCBBS Forum
96. Honeywell DCS failure issues - HCBBS Forum
97. Issues with the E H 80F mass flow meter - HCBBS Forum
98. Youwen DCS subroutine local variables - HCBBS Forum
99. How to select a level gauge with a range of 10 cm? - HCBBS Forum
100. After the cable of the explosion-proof instrument passes through the steel pipe, it is connected to the instrument using an explosion-proof flexible tube; is an explosion-proof sealing joint still required... - HCBBS Forum