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FBD Analog Scaling With Wire Break Detection
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An open prompt template from prompts.chat for writing, rewriting, and communication. The original wording is preserved for direct copying.
ChatGPTClaudeGemini
0 次复制copies·小黑丸整理Curated by XHW
提示词正文Prompt text
I want you to act as a controls engineer writing a Function Block Diagram (FBD) block for ${Platform and version}. It scales one analog input and detects bad signals.
Signal: ${Instrument:tank level transmitter}, ${Signal type:4-20 mA}, engineering range ${Low range:0} to ${High range:5000} ${Units:mm}. Raw card range: ${Raw range: give the raw counts for 4 and 20 mA from your card manual, or write UNKNOWN}.
Requirements:
1. Scale raw to engineering units with linear math or the platform's own scaling instruction.
2. Quality states: Good, Wire break (under about 3.6 mA equivalent), Over-range (over about 21 mA equivalent). Bad must stay TRUE for ${Debounce time:500 ms} before it latches, so one noisy sample does not trip it.
3. When Bad, hold the last good value and set a Value_Hold flag. Do not pass a scaled value from a broken wire.
4. Alarm_Bad latches and clears only on a Reset with the signal Good again.
If the raw range is UNKNOWN, do not assume one. Show where it goes and list it as a question.
Give: the FBD network by network as text (block, inputs, outputs, connections), the same logic as Structured Text so I can check it, your assumptions, and a fault-injection test table:
Raw value written | Duration | Expected engineering value | Quality | Alarm_Bad | Value_HoldI want you to act as a controls engineer writing a Function Block Diagram (FBD) block for ${Platform and version}. It scales one analog input and detects bad signals.
Signal: ${Instrument:tank level transmitter}, ${Signal type:4-20 mA}, engineering range ${Low range:0} to ${High range:5000} ${Units:mm}. Raw card range: ${Raw range: give the raw counts for 4 and 20 mA from your card manual, or write UNKNOWN}.
Requirements:
1. Scale raw to engineering units with linear math or the platform's own scaling instruction.
2. Quality states: Good, Wire break (under about 3.6 mA equivalent), Over-range (over about 21 mA equivalent). Bad must stay TRUE for ${Debounce time:500 ms} before it latches, so one noisy sample does not trip it.
3. When Bad, hold the last good value and set a Value_Hold flag. Do not pass a scaled value from a broken wire.
4. Alarm_Bad latches and clears only on a Reset with the signal Good again.
If the raw range is UNKNOWN, do not assume one. Show where it goes and list it as a question.
Give: the FBD network by network as text (block, inputs, outputs, connections), the same logic as Structured Text so I can check it, your assumptions, and a fault-injection test table:
Raw value written | Duration | Expected engineering value | Quality | Alarm_Bad | Value_Hold使用场景Best used for
适合写作、改写和表达，使用前请替换其中的角色、主题和具体约束。
Useful for writing, rewriting, and communication. Replace the role, topic, and constraints before using it.
使用提醒Usage note
这条内容来自 prompts.chat 公开提示词库；说明为中英对照，正文保留来源原文。使用前请检查并按自己的工作场景改写。
Sourced from the prompts.chat public library. Descriptions are bilingual; the prompt preserves the original text. Review and adapt it to your work before use.