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Inputs
The analog expander has no physical input connections. The analog expander monitors 8 trouble inputs used to
report trouble conditions. A trouble input is in most cases not physically connected with an input into the analog
expander; rather it is related to a status condition within the system. For example, a module communication
fault causes a trouble input to open as a result of the communication failure.
Trouble Inputs
Each analog expander can monitor up to 8 trouble inputs.
Trouble inputs are used to monitor the module status and in most cases are not physically connected to an
external input.
The following table details the trouble inputs that are configured in the system and the trouble type and group
that they activate.
Input Number
Description
AExxx:01
Reserved
AExxx:02
12VDC Pass-through Voltage Low
AExxx:03
24VDC Output Voltage Low
AExxx:04-07
Reserved
AExxx:08
Module Offline
Replace 'xxx' with the appropriate address of the module that you are programming.
PRT-ADC4-DIN | Protege DIN Rail 4 Channel Analog Input Expander | Installation Manual
Type
Group
None
None
Power Fault
General
Power Fault
General
None
None
Module Offline
System
12
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