Pepperl+Fuchs HD2-DM-A Manual page 141

Advanced diagnostics
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Advanced Diagnostics
Cabinet I/O
Field Diagnostics Functions
FD Check function
FD Check function (inverted)
FD Maintenance Required
FD Maintenance Required (inverted)
FD Out of Specification
FD Out of Specification (inverted)
FD Failure
FD Failure (inverted)
The buzzer on the motherboard provides an additional configuration option:
Frequency: Specifies the buzzing interval for the buzzer. Available options are: 0.5 Hz,
1 Hz, 1.5 Hz, 2 Hz and "Permanently on". If activated, the buzzer modulates its output with
the frequency selected.
7.4
On/Off Controllers
The On/Off controllers can be used to control the discrete outputs based on analog input val-
ues, such as temperature. Thus, On/Off controller can be used to replace a thermostat for heat-
ing or cooling control. The following configuration options are available:
140
Not connected:
The output is not used
FF channel:
The output is directly controller using an FF function block. This option is only avail-
able for the FF integration
Binary input *:
The output is directly controlled by a binary input. Any of the binary inputs 1 ... 8 can
be used. For example, you can turn on a relay if a binary input is activated.
On/Off controller *:
The output of 1 of the 4 On/Off controllers is used. Each On/Off controller can be
assigned to any output.
Field diagnostics:
If a specified field diagnostic value is set (or reset), the output is activated. This can
be used to activate an output if any Maintenance-Required condition (or worse) is
active for the device. Since all inputs and the ADM conditions can be mapped to field
diagnostics, the common alarm output can summarize all cabinet or ADM issues
detected. The table below shows how to use this behavior.
If for any check function Maintenance
Required, Out of Specification, or Failure con-
dition is active at the field diagnostics, the out-
put is activated.
If for any check function Maintenance
Required, Out of Specification, or Failure con-
dition is active at the field diagnostics, the out-
put is deactivated.
If for any check function Maintenance
Required, Out of Specification, or Failure con-
dition is active at the field diagnostics, the out-
put is activated.
If for any check function Maintenance
Required, Out of Specification, or Failure con-
dition is active at the field diagnostics, the out-
put is deactivated.
If for any check function Out of Specification or
Failure condition is active at the field diagnos-
tics, the output is activated.
If for any check function Out of Specification or
Failure condition is active at the field diagnos-
tics, the output is de activated.
If for any check function Failure condition is
active at the field diagnostics, the output is
activated.
If for any check function Failure condition is
active at the field diagnostics, the output is
deactivated.

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