15 First Outs
Mk8 MM Manual Page | 264
15 FIRST OUTS
15.1 Overview of Firs Outs
When the control circuit has a long series chain of various thermostats and switching elements, it can be
difficult to identify which element has opened the control circuit. With First Outs expansion feature it is
possible to monitor up to 15 different inputs in a series control circuit on the Mk8 MM. Each input responds to
a signal voltage of between 110V to 230Vac.
The First Outs can be configured for active input state low or high. When the active input state is set to low,
the first out is triggered when the input is low, and when it is set for high, it will be triggered when the input is
high. The table below shows the functions that can be set for the first outs.
The First Out logs can be displayed by pressing in the Home screen, which gives information on
the First Out number, trigger time and the time it was reset.
15.2 First Outs Expansion Options
The table below shows the Expansion Options used for configuring First Outs.
# Default Range Description
If first outs are enabled, they can be configured and labelled in
Commission mode and Online Changes. To tie the first outs interlock to
the MM’s safety stat, see option / parameter 145.
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