SWICNV_B: Switch converter to Boolean
SWICNV_B (FC438) is used to connect standardized manual switches.
Functionality
The block converts a binary or multistate input signal of a manual switch to two binary outputs.
Function table
Inputs | Outputs | |
In (Multistate) | EnSwi (Boolean) | ValSwi (Boolean) |
1 (Auto) | 0 (No) | 0 (Off) |
2 (Off) | 1 (Yes) | 0 (Off) |
3 (On) | 1 (Yes) | 1 (On) |
Inputs
Pin | E | Description |
In | pa | Input. |
Outputs
Pin | E | Description |
EnSwi | a | Switch enable. |
ValSwi | a | Switch value. |
Input values
Pin | Description | Data type | Default value | E.g. Engineering unit or Text group | Min. | Max. |
In | Input. | Multistate | 1 (Auto) | Auto, Off, On | 1 (Auto) | 3 (On) |
Output values
Pin | Description | Data type | Default value | E.g. Engineering unit or Text group | Min. | Max. |
EnSwi | Switch enable. | Boolean | 0 (No) | No, Yes |
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|
ValSwi | Switch value. | Boolean | 0 (Off) | Off, On |
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Engineering
If Input = 1 then ;--Auto
Value :=1; Enable :=False
else
Value := BOOLEAN (Input –1); Enable :=True
end if
Important
The text group of input [In] at [SWICNV_B] is characterized by the sequence Auto/Off/On. If the input is user-defined, Auto must first be displayed.
Process response
Standard (see General rules and information).
Troubleshooting
Standard (see General rules and information).