Indicators
Original instructions
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Illustration
The following table shows the LED indicators for the 140 SAI 940 00S module.
NOTE: The 140 SAI 940 00S module does not use the 9 to 16 red and green channel LEDs.
Description
The following table shows the LED descriptions for the 140 SAI 940 00S module.
Type of LED
LED Id
Color
State
Meaning
System State LED
R
Green
ON
Power ON
OFF
Power OFF
Active
Green
ON
The module is communicating with the host.
OFF
The module is not communicating with the host.
F
Red
ON
An internal diagnostic error is detected.
OFF
No internal diagnostic error is detected.
Channel LED
1 .. 8
Green
ON
The input current on the channel is in the 3.75 ... 20.25 mA range.
OFF
The input current on the channel is out of the 3.75 ... 20.25 mA range.
Red
ON
The channel is not operational.
OFF
The channel is operational.
NOTE: The 140 SAI 940 00S module has only 8 channels. LEDs 9 to 16 are never lit.