PhidgetException 0x03 (Timed Out) with 3522_0 IR Adapter

[cdsinfla]

I get the error PhidgetException 0x03 (Timed Out) using a 3522_0 IR Adapter with a 1101_0B Sharp Distance Sensor, connected to Hub Port 2, Channel 0 on a VINT Hub. The device works perfectly in the Phidget Control Panel in Voltage Ratio Mode, showing a valid voltage ratio and calculated distance.
- Python version: 3.12
- Phidget22 library version: 1.22.20250106
- OS: Win11

Here's the script I'm using:

from Phidget22.Devices.VoltageRatioInput import VoltageRatioInput

def main():
try:
# Create a VoltageRatioInput object
sensor = VoltageRatioInput()

# Configure the connection
sensor.setHubPort(2)
sensor.setChannel(0)
sensor.setIsHubPortDevice(False)

# Open the connection
sensor.openWaitForAttachment(5000)
print("Device successfully attached!")

# Read the voltage ratio
voltage_ratio = sensor.getVoltageRatio()
print(f"Voltage Ratio: {voltage_ratio:.6f} V/V")

# Calculate distance
if voltage_ratio > 0:
distance = 27.86 / voltage_ratio
print(f"Calculated Distance: {distance:.2f} cm")
else:
print("Invalid voltage ratio for distance calculation.")

# Close the device
sensor.close()
except Exception as e:
print(f"Error: {e}")

if __name__ == "__main__":
main()


I'd appreciate any insights into why the script cannot attach to the device while it works in the Control Panel. Thanks in advance!

[mparadis]

You need to set isHubPortDevice to "True", because the 1101 is a simple VoltageRatio device, not a VINT device.

You can also avoid the conversion from voltage to distance by using setSensorType:

Code: Select all

sensor.setSensorType(VoltageRatioSensorType.SENSOR_TYPE_1101_SHARP_2Y0A02)

And then use getSensorValue instead of getVoltageRatio to get the distance in cm.

[cdsinfla]

Thank you! I got it working!