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LED Indicators
Protege DIN rail modules feature comprehensive diagnostic indicators that can aid the installer in diagnosing
faults and conditions. In some cases an indicator may have multiple meanings depending on the status indicator
display at the time.
Status Indicator
The status indicator displays the module status.
State
Fast flash (green)
Slow flash (green)
Flashing (red)
When the fault and status indicators are flashing alternately, the module is in identification mode, enabling the
installer to easily identify the module in question. Upon either a module update or the identification time period
expiring, the module will return to normal operation.
Fault Indicator
The fault indicator is lit any time the module is operating in non-standard mode. If the fault indicator is flashing,
the module requires a firmware update or is in firmware update mode. When the fault indicator is on, the status
indicator will flash an error code.
State
Continuous slow flash (red)
Constantly on (red)
Power Indicator
The power indicator is lit whenever the correct module input voltage is applied across the N+ and N- terminals.
State
Constantly on (green)
Constantly off
Analog Input Status Indicators
Whenever an analog input channel on the analog expander is enabled, the analog input status will be displayed
on the front panel indicator (1-4) corresponding to the physical input number (ANALOG IN 1-4). This allows easy
walk test verification of analog inputs without the need to view the input channels from the keypad or Protege
software.
State
Constantly On (green)
Constantly On (red)
PRT-ADC4-DIN | Protege DIN Rail 4 Channel Analog Input Expander | Installation Manual
Description
Module attempting registration with controller
Module successfully registered with controller
Module communications activity
Description
Module is in boot mode awaiting firmware update
Module is in error state and will flash an error code with the status indicator
Description
Correct module input voltage applied
Incorrect module input voltage applied
Description
Analog input is between 0-10V (inclusive)
Analog input is at 10V or greater
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