ResourcesLogic gate symbols (IEC 60617)
Bidirectional signal flow symbol (DWG block)
Bidirectional signal flow is a ready-to-use AutoCAD block named LGB_S01547_BIDIRECTIONAL_SIGNAL_FLOW in the Logic gate symbols (IEC 60617), group “Groupings, fixed states and other”. It carries 5 attributes, 1 of them visible, so it works in equipment lists and BlockSync exports.
Block details
| Block name | LGB_S01547_BIDIRECTIONAL_SIGNAL_FLOW |
|---|---|
| Library | Logic gate symbols (IEC 60617) |
| Group | Groupings, fixed states and other |
| Standard | IEC 60617-12 |
| Attributes | 5 attributes, 1 visible |
Attributes
Visible on the drawing: TAG.
Hidden, they carry the data for schedules: REMARKS, STD_CLAUSE, STD_REF, DESC.
Export the attributes of every copy in a drawing to Excel with BlockSync, check them and write the corrections back in one run.
How to use it
- Download the ZIP and unzip it. It holds one DWG with the block LGB_S01547_BIDIRECTIONAL_SIGNAL_FLOW.
- Open the DWG and copy the block into your drawing, or insert it from the DWG with INSERT.
- Double-click a copy to fill in the tag and the other attributes.
The symbol is our own drawing after the common form of IEC 60617-12, not a certified copy. The library page explains how the symbols relate to the standard.
Names in other languages
The same symbol under its name in the other site languages.
- English
- Bidirectional signal flow
- Simplified Chinese
- 双向信号流
- Traditional Chinese
- 雙向訊號流
- Japanese
- 双方向信号フロー
- Korean
- 양방향 신호 흐름
- German
- Bidirektionaler Signalfluss
- French
- Flux de signal bidirectionnel
- Italian
- Flusso di segnale bidirezionale
- Spanish
- Flujo de señal bidireccional












