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Chapter 3 Paramters/Functions Innovation Series Medium Voltage GP Type - G Drives GEH-6385
Diagnostic and Utility Functions
Diagnostic and Utility Overview
The Innovation Series products contain a number of diagnostic functions. More
information is available for the following topics.
• Capture Buffer
• General Purpose Constants
• General Purpose Filters
• Oscillator
• Position Feedback
• Predefined Constants
• Signal Level Detector (SLD)
• Simulator
Capture Buffer
The Innovation Series capture buffer is used to collect coherent data at a specified
rate in the drive. The capture buffer is circular, and will collect a fixed number of
samples of each data channel before overwriting the oldest data. The capture buffer
can be triggered on any available variable signal in the drive by using a Boolean
trigger mode or comparison to a value. The capture buffer will also trigger on a Trip
fault. It is useful for capturing drive variables for troubleshooting field problems and
capturing specific drive events. The Trend Recorder can display the capture buffer
output.
Function Inputs
The following table specifies the input parameters to the Capture Buffer function.
Parameter Description
Capture ch1 select Selects capture buffer channel #1 variable.
Capture ch2 select Selects capture buffer channel #2 variable.
Capture ch3 select Selects capture buffer channel #3 variable.
Channels 3 & 4 are active when Capture buff
config is set to either 4 channels enabled or 8
channels enabled.
Capture ch4 select Selects capture buffer channel #4 variable.
Capture ch5 select Selects capture buffer channel #5 variable.
Channels 5, 6, 7, & 8 are active when Capture
buff config is set to 8 channels enabled.
Capture ch6 select Selects capture buffer channel #6 variable.
Capture ch7 select Selects capture buffer channel #7 variable.
Capture ch8 select Selects capture buffer channel #8 variable.