NOVAR 300 Operation & Maintenance Manual NOVAR_CM
Page 28 of 29
6. CIRCUIT DESCRIPTION
Figure 6 shows a block diagram of the Controller. This comprises two printed circuit boards
with plugs and sockets providing all the board interconnections. There are two versions of
the 'Relay' PCB circuit. One for volt-free contact versions and the other for common contact
units. These differ only in the connection of the relay output contacts.
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