GLS-SIM
Version 3.1 by Alexander Mott on 2022/10/17 15:29
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See Figure 1 for details.
See Figure 2 for details.
Device Wiring
GLS-SIMs have
Occupancy Sensor
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Photocell (Daylight Sensor)
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Key Switch
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Momentary
Maintained
DIP Switches
Every GLS-SIM has four DIP switches which can be used to adjust the behavior and function of the two sensor ports on the GLS-SIM. For every DIP switch, the "up" position corresponds to "on", while the "down" position corresponds to "off". Switches 1 and 2 correspond to sensor port 1, while switches 2 and 3 correspond to sensor port 2.
The table below covers the function of each of the DIP switches and their affect on the GLS-SIM.
| Port | DIP Switch | Setting | Result |
| 1 | 1 | On (Up) | Disables pull-up resistor for port 1 |
| Off (Down) | Enables pull-up resistor on port 1 (port 1 will output 5V) | ||
| 2 | On (Up) | Normal polarity (high input reads as "true") | |
| Off (Down) | Inverted polarity (high input reads as "false") | ||
| 2 | 3 | On (Up) | Disables pull-up resistor for port 2 |
| Off (Down) | Enables pull-up resistor on port 2 (port 2 will output 5V) | ||
| 4 | On (Up) | Normal polarity (high input reads as "true") | |
| Off (Down) | Inverted polarity (high input reads as "false") |
Occupancy Sensor
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Photocell (Daylight Sensor)
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Key Switch
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Troubleshooting
