Niles Audio SAS-1 - Manual (Page 10)

8
USING THE CONTROL OUT
The CONTROL OUT connector has 4 screw terminals and provides two different outputs.
The two terminals on the left provide a set of normally open, dry relay contacts, and the two
terminals on the right provide a 12Volt DC output.
The set of dry contacts close whenever the SAS-1 is triggered. They will remain closed as long
as the signal that triggered the SAS-1 is present. Depending on the setting of the delay control,
they will open anywhere between ¼ of a second to 30 seconds after the signal that triggered
the SAS-1 is removed. With this feature, the SAS-1 can activate television lift systems, operate
electric projector screens, control lighting systems, etc.
The 12Volt DC is present at the other two terminals whenever the switching section of the
SAS-1 is activated. Depending on the setting of the delay control, the voltage turns off anywhere
between ¼ of a second to 30 seconds after the signal that triggered the SAS-1 is removed.
This feature is provided as a convenient interface for using the SAS-1 to control other Niles
switching devices, such as the AVS-2, SPK-1 and RFS-1. Refer to the section titled “System
Expansion” for more details.
NOTES: THE DRY RELAY CONTACTS CAN SWITCH A MAXIMUM OF 28VOLTS DC AT 1 AMP. THE 12VOLT
DC OUTPUT CAN SUPPLY UP TO 400 MILLIAMPERES (.4 AMP).
SYSTEM EXPANSION
There are other Niles switching devices available which are used to expand the switching
capabilities of the SAS-1. Depending on the application, one or more of these expansion units
may be needed. For example, by connecting the AC-2 Voltage Activated AC outlet to the SAS-1
you now have a signal-activated, switched AC outlet. Or, by connecting both an SPK-1 and an
AC-3 to the SAS-1 you can switch 4 channels of speakers for surround sound and turn on any
needed power amplifiers at the same time. The SAS-1 can have several of these expansion
units connected to it, however, there is a practical limit of the number of units which may be
connected.
A maximum of four expansion units may be connected to the DC control output of the SAS-1.
EXPANSION CAPABILITIES
The following expansion units are currently available for use with the SAS-1:
AC-3 – Voltage Activated AC Outlet Strip AVS-2 – Voltage Activated Audio/Video
A-B Switch
SPK-1 – Voltage Activated Speaker A-B Switch RFS – Voltage Activated RF A-B Switch
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