Setup guide
Integrated Professional Automation Computer    Crestron IPAC-GL1 
⇒  For a sensor connected via a GLS-SIM: 
Sensor Test for Sensor Connected via GLS-SIM 
OK
Sensor C3.1/2 Test
IN 1: Type = N/O
Status = Active
IN 1: Type = N/O
Status = Active
SelectOK
The GLS-SIM uses DIP switches for setting the type of sensor that is 
connected. Sensors can be configured as a normally open sensor (N/O), 
a normally closed sensor (N/C), active high (Active Hi), or active low 
(Active Lo). 
DIP Switches on GLS-SIM 
ON
OFF
1
2
3
4
DIP switches 1 and 2 set the sensor type for input 1 on the  
GLS-SIM while DIP switches 3 and 4 set the sensor type for input 2 on 
the GLS-SIM. The following table shows the settings for each sensor 
type. 
DIP Switch Settings for the GLS-SIM 
INPUT 1  INPUT 2 
SENSOR TYPE 
SWITCH 1  SWITCH 2  SWITCH 3  SWITCH 4 
Active High  Off  Off  Off  Off 
Active Low  Off  On  Off  On 
Normally Open  On  Off  On  Off 
Normally Closed  On  On  On  On 
For more information, refer to the latest version of the GLS-SIM 
Sensor Integration Module Operations & Installation Guide (Doc. 
6768) which is available for download from the Crestron website. 
44 • Integrated Professional Automation Computer: IPAC-GL1  Setup Guide – DOC. 6660B 










