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GEH-6385 Reference and Troubleshooting, 2300 V Drives Chapter 3 Paramters/Functions
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3-15
Signal Level Detector (SLD)
Each Innovation Series product supplies three SLD channels. Each SLD does a level
comparison on two inputs. The Boolean output of the SLD represents the status of
the comparison. The nature of the comparison is configurable.
Function inputs
The following table specifies the input parameters of the Signal Level Detector
(SLD) function.
Parameter Description
SLD1 input 1 select Selects SLD1 input 1 value
SLD1 input 2 select Selects SLD1 input 2 value
SLD2 input 1 select Selects SLD2 input 1 value
SLD2 input 2 select Selects SLD2 input 2 value
SLD3 input 1 select Selects SLD3 input 1 value
SLD3 input 2 select Selects SLD3 input 2 value
Function outputs
The following table specifies the output variables of the Signal Level Detector (SLD)
function.
Variable Description
SLD1 status Status of SLD1 comparison
SLD2 status Status of SLD2 comparison
SLD3 status Status of SLD3 comparison
Function configuration
The following table specifies the configuration parameters of the Signal Level
Detector (SLD) function:
Parameter Description
SLD1 compare mode Type of comparison that the SLD1 function performs
SLD1 sensitivity SLD1 comparison level
SLD1 hysteresis SLD1 turn off deadband
SLD1 pick up delay SLD1 turn on time delay, Seconds
SLD1 drop out delay SLD1 turn off time delay, Seconds
SLD1 input 1 abs val SLD1 input 1 mode (allows the absolute value to be used)
SLD2 compare mode Type of comparison that the SLD2 function performs
SLD2 sensitivity SLD2 comparison level
SLD2 hysteresis SLD2 turn off deadband
SLD2 pick up delay SLD2 turn on time delay, Seconds
SLD2 drop out delay SLD2 turn off time delay, Seconds
SLD2 input 1 abs val SLD2 input 1 mode (allows the absolute value to be used)
SLD3 compare mode Type of comparison that the SLD3 function performs
SLD3 sensitivity SLD3 comparison level
SLD3 hysteresis SLD3 turn off deadband
SLD3 pick up delay SLD3 turn on time delay, Seconds
SLD3 drop out delay SLD3 turn off time delay, Seconds
SLD3 input 1 abs val SLD3 input 1 mode (allows the absolute value to be used)