Rockwell Automation 5370 Color CVIM Communications Manual - Manual (Page 199)

Appendix C
Numerical Results Data
C–20
The statistics block can only be formatted through the Remote I/O port, but
can be read through either the BAckplane or Remote I/O port. The statistics
block has user defined contents, and may contain up to 64 words of data.
See Table C.8.
Table C.8
Statistics Block
Word# Bit# Function Notes
0 0–15 Block Transfer Signature
1–63 0–15 User Defined Statistics Data
Each type of statistic requires a specific number of words. Use the following
as a guideline when setting up a programmable block transfer:
Block Signature = 1 word
Number of Samples = 1 word (2 Byte Integer)
Minimum and Maximum Values = 4 bytes
Window (Object & Pixel) 32 Bit Integer
Window(Luminance) 16 Point 16
Window (Color Match) 32 Bit Integer
Window (Color ID) 32 Bit Integer
Window (Gradient) 32 Bit Integer
Brightness Probe 16 Point 16
Reference Window 16 Bit Integer & 16 Point 16
Gage (Linear Measure) 16 Point 16
Gage (Edge, Pixel, Object) 32 Bit Integer
Average = 4 Bytes
(16 Point 16 for fixed point values)
(24 Point 8 for integers)
Standard Deviation = 4 bytes (16 Point 16)
Each tool statistic consists of 18 bytes with the exception of reference
windows and brightness probe which contain 18 bytes for each feature or a
total of 54 bytes. The statistics block is transmitted as two hexadecimal
characters for each byte. The total number of bytes including the block
signature should not exceed 128 bytes.
If you request more results than will fit into 63 words, the Color CVIM will
truncate the data and set an error bit in word 1.
Statistics Block