Indicators
Original instructions
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Illustration
The following table shows the LED indicators for the 140 ACO 020 00 module.
Description
The following table shows the LED descriptions for the 140 ACO 020 00 module.
LEDs
Color
Indication when ON
Active
Green
Bus communication is present.
F
Red
An error (external to the module) has been detected.
1 ... 4
Green
Module outputs switched ON.
1 ... 4
Red
Broken wire on indicated channels.
NOTE: When the green channel status LEDs are OFF, the loop current is 0 mA .
Diagnostic
  1. At power up, the channel outputs are all disabled (current = 0). Configuring any channel as disabled will cause all channels to be disabled when a communication loss occurs.