Setup guide
Crestron IPAC-GL1    Integrated Professional Automation Computer 
a.  To toggle between the different types of sensors, press the soft 
button labeled Type. 
b.  Activate the sensor to test the functionality. The status will be 
displayed. 
c.  Press the soft button labeled OK to return to the Sensors section of 
the Setup Menu. 
⇒  For a sensor connected via a DIN-IO8: 
Sensor Test for Sensor Connected via DIN-IO8 
Type OK
Sensor D4.1-8 Test
Input: Type=Active Hi
Status = A,A,A,A,A,A,A,A
I=Inactive, A=Active
SelectOK
The DIN-IO8 inputs can be configured as: 
Active HI (default): A sensor which pulls down below 1.25VDC 
when inactive and which provides a voltage above 1.35VDC (and 
less than or equal to 24VDC) when active. (GLS occupancy 
sensors available from Crestron are of this type). 
Active Low: A sensor which provides a voltage above 1.5VDC 
(and less than or equal to 24VDC) when inactive and which pulls 
down below 1.25VDC when active. 
Normally Open (N/O): A sensor which provides an open circuit 
when inactive, and a dry contact closure when active. 
Normally Closed (N/C): A sensor which provides a dry contact 
closure when inactive and an open circuit when active. 
a.  To toggle between the different types of sensors, press the soft 
button labeled Type. 
b.  Activate the sensor to test the functionality. The status will be 
displayed. 
c.  Press the soft button labeled OK to return to the Sensors section of 
the Setup Menu. 
Setup Guide – DOC. 6660B  Integrated Professional Automation Computer: IPAC-GL1 • 43 










