English — Forum #350 (Page 77/163)

1. The PLC display panel shows fluctuations in the pressure of the ammonia tank, while the actual pressure remains stable - HCBBS Forum
2. Valve selection software - HCBBS Forum
3. The solenoid valve operates in the open state when there is a fault; it is now forced to be closed. What is its state after the instrument air supply is cut off – open or closed? - HCBBS Forum
4. Issues regarding the first and second level alarm settings for carbon disulfide detectors - HCBBS Forum
5. Both combustible/toxic gas alarms and platform scales are no longer subject to mandatory inspection - HCBBS Forum
6. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–24 - HCBBS Forum
7. Consultation regarding Newmancher solenoid valves - HCBBS Forum
8. How many domestic SIS system manufacturers are capable of achieving SIL3 level? - HCBBS Forum
9. How do you prepare a budget for the installation of electrical instrumentation projects? - HCBBS Forum
10. Internal floating roof operation status monitoring - HCBBS Forum
11. How to set PID parameters for a trend chart like this - HCBBS Forum
12. The function of these two unidirectional valves 9 in the control valve - HCBBS Forum
13. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-05-19 - HCBBS Forum
14. Are there any good solutions to the problem of ice formation in propylene valves? - HCBBS Forum
15. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-23 - HCBBS Forum
16. 1 - HCBBS Forum
17. Commissioning methods for SFD-3002 and SFD-3003 interlock operators - HCBBS Forum
18. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-05-20 - HCBBS Forum
19. Help: How to zero the Honeywell ST700? - HCBBS Forum
20. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-05 - HCBBS Forum
21. Question from a beginner: What is the difference between the minimum flow rate and the leakage rate of a control valve? - HCBBS Forum
22. Valve position feedback for the on/off control valve? - HCBBS Forum
23. Can’t the anti-static connectors in the cabinet room be placed inside the cabinet room? - HCBBS Forum
24. Help needed - HCBBS Forum
25. PID control and PID parameter tuning - HCBBS Forum
26. ABB training materials sharing - HCBBS Forum
27. Installation of various components of external-mounted ultrasonic level gauges and precautions - HCBBS Forum
28. How many IO points can a PLC control cabinet with dimensions 700*600*1800 accommodate? - HCBBS Forum
29. MK4-A-B-0650-E MK4-A-B-0700-E GEFRAN - HCBBS Forum
30. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-16 - HCBBS Forum
31. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-05-11 - HCBBS Forum
32. Integrated ultrasonic level gauge, RWHC19-RWHC21-RWHC25 - HCBBS Forum
33. Which pH meter is better when there are large fluctuations in the acidity or alkalinity of the material? - HCBBS Forum
34. How to reduce the blind zone when using a top-mounted magnetic flap level gauge to measure low-density media? - HCBBS Forum
35. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question No. 2020-02-02 - HCBBS Forum
36. Urgently need the Keyuan NT6000 V4 virtual software - HCBBS Forum
37. Boiler oxygen meter - HCBBS Forum
38. Orifice plate flow meter - HCBBS Forum
39. Regarding the logical approach of choosing three out of eight - HCBBS Forum
40. Regarding DCS replacing PLC - HCBBS Forum
41. Emerson F-type mass flow meter - HCBBS Forum
42. Logic diagram - HCBBS Forum
43. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-31 - HCBBS Forum
44. Sources of DCS system failures and preventive measures for DCS system failures - HCBBS Forum
45. Seeking advice on selecting an online turbidity meter - HCBBS Forum
46. SIS system and DCS - HCBBS Forum
47. Pneumatic valve - HCBBS Forum
48. E+H radar level gauge - HCBBS Forum
49. The \"Guidelines for the Identification and Rectification of Safety Risks and Hazards in Hazardous Chemical Enterprises\" require a two-out-of-three selection for the liquid level interlock of vinyl chloride gas tanks - HCBBS Forum
50. Master 5 gauge-related knowledge points per week – go from a beginner to an expert - HCBBS Forum
51. Manufacturers of triple-eccentric butterfly valves - HCBBS Forum
52. The absence of watermarks and the presence of stripes indicate the new version of the design codes for flammable and toxic gases - HCBBS Forum
53. Question about the range of a temperature transmitter? - HCBBS Forum
54. Help needed regarding issues with pneumatic control butterfly valves - HCBBS Forum
55. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question dated 2020-01-14 - HCBBS Forum
56. What adjustment - HCBBS Forum
57. In the Pcs7 system, the analog signal (4-20ma) circuit for the instrument is open circuit – why does the DCS show a maximum value? Shouldn’t it be the minimum? - HCBBS Forum
58. What is the purpose of using metal partitions to separate the circuits? - HCBBS Forum
59. The issue of measuring the ammonia level in liquid ammonia spherical tanks using external-type level gauges - HCBBS Forum
60. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 11–06 - HCBBS Forum
61. Installation requirements for metal rotor flowmeters - HCBBS Forum
62. Logical issues with the pump shutdown valve in SIS interlocks - HCBBS Forum
63. Career prospects for electrical and instrumentation technicians - HCBBS Forum
64. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 12–02 - HCBBS Forum
65. Are there any recommended good domestic radar level gauges from experts? ? ? - HCBBS Forum
66. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-02-09 - HCBBS Forum
67. Who on the forum has the TRIstation 1131 software? - HCBBS Forum
68. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-05-14 - HCBBS Forum
69. Seeking advice on the calculation of the Cv value for selecting control valves - HCBBS Forum
70. There is a valve symbol in the process flow diagram that I couldn’t find information on; could someone tell me what kind of valve it is? - HCBBS Forum
71. For the PCS7 system, an on-site TDS monitoring device needs to be added. Guys, what should I do? - HCBBS Forum
72. Seeking advice on the main factors to consider when selecting a split-type temperature transmitter - HCBBS Forum
73. E H radar level gauge - HCBBS Forum
74. Application of external level gauges in ethylene oxide - HCBBS Forum
75. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question from 2020-01-23 - HCBBS Forum
76. Effect of right-angled bends in pressure conduits on differential pressure flow measurement - HCBBS Forum
77. Applications of DHE-RD radar level gauges and analysis of its five key advantages - HCBBS Forum
78. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-24 - HCBBS Forum
79. How to conduct verification for Sil grading? - HCBBS Forum
80. Detection and acceptance methods for thermocouples based on heat seeking - HCBBS Forum
81. Why do analog devices prefer to use 4~20mA for signal transmission? - HCBBS Forum
82. Is a separate room required for the UPS room? - HCBBS Forum
83. TOPWORK Valve Position Feedback Switch Chinese Manual - HCBBS Forum
84. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-02-21 - HCBBS Forum
85. Liquid flow meter - HCBBS Forum
86. Pneumatic three-way valve - HCBBS Forum
87. Analysis of the advantages of sonar-type external level gauges and other level gauges in liquid ammonia storage tanks - HCBBS Forum
88. On incremental PID control - HCBBS Forum
89. Is a 220v level relay safe? - HCBBS Forum
90. Selection of level gauge - HCBBS Forum
91. How to set the alarm level - HCBBS Forum
92. Could some expert please help explain what this means? What does HSW mean? - HCBBS Forum
93. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-28 - HCBBS Forum
94. The intelligent pressure transmitter workshop, which was completed this year, hopes to receive many valuable suggestions from everyone - HCBBS Forum
95. Thermal gas flow meter – I hope experts can help resolve my doubts - HCBBS Forum
96. Which expert has the user manual for the BEKOMAT automatic drainage solenoid valve? - HCBBS Forum
97. Why must the AMS TREX communicator be activated? - HCBBS Forum
98. Independently developed high-precision intelligent meter for split-type electromagnetic flowmeters - HCBBS Forum
99. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-03-25 - HCBBS Forum
100. Magnetic flap, level gauge - HCBBS Forum