4.2 Setting Up Signal Channels

To edit signal channels, perform the following step:

In the Edit Signal Channel window, click Edit > Edit Signal Channel.

Figure 4-4. Signal Channel Configuration

From the pop-up table, signal channels can be added, removed and edited with a right-click on the table header. The order in which the signal channels are added is not important, but it is good practice to add them in the order in which they are transmitted in the data stream package (position in message).

A signal definition requires the information shown in Table 4-1.

Table 4-1. Signal Definition
Name	Description
Name	Name of the signal
Unit	Unit of the signal
Scaling	The scaling value is calculated using the following formula: scaled_value = raw_value * scaling + offset A multiplier. The raw values can be scaled by this factor. In the example, the value received will be multiplied by 0.5.
Offset	This adds an offset to the raw data. In the example, 2 will be added to the received value.
Value Type	Encoding of the data is sent from the embedded system.
Minimum Plot Value	The minimum value plotted on the Monitoring tab. In the example, values greater or equal to 0 will be plotted.
Maximum Plot Value	The maximum value plotted on the Monitoring tab. In the example, values less than or equal to 2000 will be plotted.
Position in Message	The position of the 16-bit signal channel in the data frame. The first two bytes are position 0, the second two bytes are position 1, etc.
Signal Channel Index	Each signal channel entry must have a unique identifier. Assign that number here.
Plot	Check box to enable plotting on the Monitoring tab.
Protocol ID/Can ID	Protocol ID or CAN ID of the corresponding frame in hexadecimal

Note: Position in Message refers to the offset in the message. Signal Channel Index refers to the entry in the project signal list. Each signal channel is identified by Power Board Visualizer by its unique Signal Channel Index.

The following table lists the signal names and their positions.

Table 4-2. Signal Names and Positions
Index No	Signal Name	Type	Positions Occupied in Message
0	Slider x10	Unsigned, 16-bit	0
1	Test Bank 1	Unsigned, 16-bit	1
2	Test Bank 2	Unsigned, 16-bit	2
3	Up Counter	Unsigned, 16-bit	3
4	Down Counter	Unsigned, 16-bit	4
5	Signed 16	Twos Compliment, 16-bit	5
6	Signed 32	Signed 32, 32-bit	6, 7
7	Double Precision Float	Double Precision Float, 64-bit	8, 9, 10, 11
8	Single Precision Float	Single Precision Float, 32-bit	12,13