Instructions / Assembly

EZ-MAX Plus Installation Guide Page 45
EMERGENCY
Emergency
Inputs and Outputs
The control card has both an emergency input and output. The input can be driven by
a contact closure such as one from a fire alarm or by a low voltage signal capable of
sinking 5 mA (3 - 5 volts is emergency off and 0 - 2 volts is emergency on).
Emergency output has a common contact and both NO and NC contacts. In the non-
emergency state, the NO contact is closed. If the emergency input is activated
(closed) or if power is interrupted to the relay cabinet, the NC contact will be closed.
If it is desirable, the output of one cabinet can be connected to input of another
cabinet. In this case, connect the commons of both input and output together and
connect the NC output contact to the emergency signal on the input connector as
shown in the figures on the following pages.
Each relay can be configured to go on , off or to no change via the setup menu when
in an emergency state.
If the emergency input changes from closed to open (low to high), the relays will
return to their previous states.
Extended information available in the EZ-Max
Plus Programmer’s Guide.
PG
The emergency input is set from the factory as a level 2
priority, only overridable by the internal bypass switch.