3 Installation – Panel Mount
10
Unit Connection
Connections to the panel-mounted version of the MOD53 are made with up to four
plug and socket terminal blocks, accessible to the rear of the unit.
Top Connector
Bottom Connector
Expansion Port
where fitted
Earth Stud
Figure 2 : Panel mount unit, rear view
The top connector houses the power input, relay and current output terminals. The
bottom connector houses the sensor input, temperature sensor input and the
digital inputs. The expansion port provides for additional enhancements such as
the third and fourth relay connection.
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General