6 USB-5801 Startup Manual
LED
State
Description
LED2
Off
Module is not powered on
Green
Module is powered on using either USB bus power or external power
LED3
Off
Initial state. Module has not been connected
Green
Upstream port is connected. Module is functioning normally
Red
Upstream port is not connected or is disconnected. Module function is halted
LED4
Off
Downstream port is not connected
Blue
Downstream port is connected
LED
State
Description
Near CN4
Off
No sensor is connected to analog input channel 0 or the sensor wire is broken
Green
Sensor is connected to analog input channel 0 and works normally
Red
Sensor connected to analog input channel 0 is short circuited
Near CN5
Off
No sensor is connected to analog input channel 1 or the sensor wire is broken
Green
Sensor is connected to analog input channel 1 and works normally
Red
Sensor connected to analog input channel 1 is short circuited
Near CN6
Off
No sensor is connected to analog input channel 2 or the sensor wire is broken
Green
Sensor is connected to analog input channel 2 and works normally
Red
Sensor connected to analog input channel 2 is short circuited
Near CN7
Off
No sensor is connected to analog input channel 3 or the sensor wire is broken
Green
Sensor is connected to analog input channel 3 and works normally
Red
Sensor connected to analog input channel 3 is short circuited
Note: LEDs near CN4 ~ CN7 function only when IEPE is enabled for the corresponding analog input channel.
LED Status Descriptions
