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Parameter names may not apply to your camera model.
To display appropriate parameter names, select a camera model:
a2A1280-125umSWIR
a2A1280-80gmSWIR
a2A1920-160ucBAS
a2A1920-160ucPRO
a2A1920-160umBAS
a2A1920-160umPRO
a2A1920-165g5cBAS
a2A1920-165g5mBAS
a2A1920-51gcBAS
a2A1920-51gcPRO
a2A1920-51gmBAS
a2A1920-51gmPRO
a2A2048-110umSWIR
a2A2048-114g5cBAS
a2A2048-114g5mBAS
a2A2048-114ucBAS
a2A2048-114ucPRO
a2A2048-114umBAS
a2A2048-114umPRO
a2A2048-35gmSWIR
a2A2048-37gcBAS
a2A2048-37gcPRO
a2A2048-37gmBAS
a2A2048-37gmPRO
a2A2440-98g5cBAS
a2A2440-98g5mBAS
a2A2448-105g5cBAS
a2A2448-105g5mBAS
a2A2448-120cc
a2A2448-120cm
a2A2448-210cc
a2A2448-210cm
a2A2448-23gcBAS
a2A2448-23gcPRO
a2A2448-23gmBAS
a2A2448-23gmPRO
a2A2448-75ucBAS
a2A2448-75ucPRO
a2A2448-75umBAS
a2A2448-75umPRO
a2A2560-20gmSWIR
a2A2560-70umSWIR
a2A2590-22gcBAS
a2A2590-22gcPRO
a2A2590-22gmBAS
a2A2590-22gmPRO
a2A2590-60ucBAS
a2A2590-60ucPRO
a2A2590-60umBAS
a2A2590-60umPRO
a2A2600-20gcBAS
a2A2600-20gcPRO
a2A2600-20gmBAS
a2A2600-20gmPRO
a2A2600-64ucBAS
a2A2600-64ucPRO
a2A2600-64umBAS
a2A2600-64umPRO
a2A2840-14gcBAS
a2A2840-14gcPRO
a2A2840-14gmBAS
a2A2840-14gmPRO
a2A2840-14gmUV
a2A2840-48ucBAS
a2A2840-48ucPRO
a2A2840-48umBAS
a2A2840-48umPRO
a2A2840-48umUV
a2A2840-67g5cBAS
a2A2840-67g5mBAS
a2A2840-67g5mUV
a2A2840-86cc
a2A2840-86cm
a2A3536-31ucBAS
a2A3536-31ucPRO
a2A3536-31umBAS
a2A3536-31umPRO
a2A3536-42g5cBAS
a2A3536-42g5mBAS
a2A3536-9gcBAS
a2A3536-9gcPRO
a2A3536-9gmBAS
a2A3536-9gmPRO
a2A3840-13gcBAS
a2A3840-13gcPRO
a2A3840-13gmBAS
a2A3840-13gmPRO
a2A3840-45ucBAS
a2A3840-45ucPRO
a2A3840-45umBAS
a2A3840-45umPRO
a2A4096-30ucBAS
a2A4096-30ucPRO
a2A4096-30umBAS
a2A4096-30umPRO
a2A4096-44g5cBAS
a2A4096-44g5mBAS
a2A4096-67cc
a2A4096-67cm
a2A4096-9gcBAS
a2A4096-9gcPRO
a2A4096-9gmBAS
a2A4096-9gmPRO
a2A4200-12gcBAS
a2A4200-12gcPRO
a2A4200-12gmBAS
a2A4200-12gmPRO
a2A4200-40ucBAS
a2A4200-40ucPRO
a2A4200-40umBAS
a2A4200-40umPRO
a2A4504-18ucBAS
a2A4504-18ucPRO
a2A4504-18umBAS
a2A4504-18umPRO
a2A4504-27g5cBAS
a2A4504-27g5mBAS
a2A4504-42cc
a2A4504-42cm
a2A4504-5gcBAS
a2A4504-5gcPRO
a2A4504-5gmBAS
a2A4504-5gmPRO
a2A4508-20ucBAS
a2A4508-20ucPRO
a2A4508-20umBAS
a2A4508-20umPRO
a2A4508-6gcBAS
a2A4508-6gcPRO
a2A4508-6gmBAS
a2A4508-6gmPRO
a2A5060-15ucBAS
a2A5060-15umBAS
a2A5060-21g5cBAS
a2A5060-21g5mBAS
a2A5060-4gcBAS
a2A5060-4gmBAS
a2A5320-23ucBAS
a2A5320-23ucPRO
a2A5320-23umBAS
a2A5320-23umPRO
a2A5320-34g5cBAS
a2A5320-34g5mBAS
a2A5320-52cc
a2A5320-52cm
a2A5320-7gcBAS
a2A5320-7gcPRO
a2A5320-7gmBAS
a2A5320-7gmPRO
a2A5328-15ucBAS
a2A5328-15ucPRO
a2A5328-15umBAS
a2A5328-15umPRO
a2A5328-22g5cBAS
a2A5328-22g5mBAS
a2A5328-35cc
a2A5328-35cm
a2A5328-4gcBAS
a2A5328-4gcPRO
a2A5328-4gmBAS
a2A5328-4gmPRO
a2A640-240gmSWIR
a2A640-240umSWIR
acA1280-60gc
acA1280-60gm
acA1300-200uc
acA1300-200um
acA1300-60gc
acA1300-60gm
acA1300-60gmNIR
acA1300-75gc
acA1300-75gm
acA1440-220uc
acA1440-220um
acA1440-73gc
acA1440-73gm
acA1600-20gc
acA1600-20uc
acA1600-60gc
acA1600-60gm
acA1920-150uc
acA1920-150um
acA1920-155uc
acA1920-155ucMED
acA1920-155um
acA1920-155umMED
acA1920-25gc
acA1920-25gm
acA1920-25uc
acA1920-25um
acA1920-40gc
acA1920-40gm
acA1920-40uc
acA1920-40ucMED
acA1920-40um
acA1920-40umMED
acA1920-48gc
acA1920-48gm
acA1920-50gc
acA1920-50gm
acA2000-165uc
acA2000-165um
acA2000-50gc
acA2000-50gm
acA2040-120uc
acA2040-120um
acA2040-25gc
acA2040-25gm
acA2040-25gmNIR
acA2040-35gc
acA2040-35gm
acA2040-55uc
acA2040-55um
acA2040-90uc
acA2040-90um
acA2040-90umNIR
acA2440-20gc
acA2440-20gm
acA2440-35uc
acA2440-35ucMED
acA2440-35um
acA2440-35umMED
acA2440-75uc
acA2440-75ucMED
acA2440-75um
acA2440-75umMED
acA2500-14gc
acA2500-14gm
acA2500-14uc
acA2500-14um
acA2500-20gc
acA2500-20gcMED
acA2500-20gm
acA2500-20gmMED
acA2500-60uc
acA2500-60um
acA3088-16gc
acA3088-16gm
acA3088-57uc
acA3088-57ucMED
acA3088-57um
acA3088-57umMED
acA3800-10gc
acA3800-10gm
acA3800-14uc
acA3800-14um
acA4024-29uc
acA4024-29um
acA4024-8gc
acA4024-8gm
acA4096-11gc
acA4096-11gm
acA4096-30uc
acA4096-30ucMED
acA4096-30um
acA4096-30umMED
acA4096-40uc
acA4096-40ucMED
acA4096-40um
acA4096-40umMED
acA4112-20uc
acA4112-20ucMED
acA4112-20um
acA4112-20umMED
acA4112-30uc
acA4112-30ucMED
acA4112-30um
acA4112-30umMED
acA4112-8gc
acA4112-8gm
acA5472-17uc
acA5472-17ucMED
acA5472-17um
acA5472-17umMED
acA5472-5gc
acA5472-5gm
acA640-121gm
acA640-300gc
acA640-300gm
acA640-750uc
acA640-750um
acA720-290gc
acA720-290gm
acA720-520uc
acA720-520um
acA800-200gc
acA800-200gm
acA800-510uc
acA800-510um
blaze-101
blaze-102
boA13440-17cm
boA1936-400cc
boA1936-400cm
boA2448-250cc
boA2448-250cm
boA2832-190cc
boA2832-190cm
boA4096-180cc
boA4096-180cm
boA4096-93cc
boA4096-93cm
boA4112-68cc
boA4112-68cm
boA4500-45cc
boA4500-45cm
boA4504-100cc
boA4504-100cm
boA5120-150cc
boA5120-150cm
boA5120-230cc
boA5120-230cm
boA5320-150cc
boA5320-150cm
boA5328-100cc
boA5328-100cm
boA6500-36cc
boA6500-36cm
boA8100-16cc
boA8100-16cm
boA9344-30cc
boA9344-30cm
boA9344-70cc
boA9344-70cm
daA1280-54uc
daA1280-54um
daA1440-220uc
daA1440-220um
daA1600-60uc
daA1600-60um
daA1920-15um
daA1920-160uc
daA1920-160um
daA1920-30uc
daA1920-30um
daA2448-70uc
daA2448-70um
daA2500-14uc
daA2500-14um
daA2500-60mc
daA2500-60mci
daA3840-30mc
daA3840-45uc
daA3840-45um
daA4200-30mci
daA720-520uc
daA720-520um
dmA1440-73gc
dmA1440-73gm
dmA1920-51gc
dmA1920-51gm
dmA2448-23gc
dmA2448-23gm
dmA2840-14gc
dmA2840-14gm
dmA3536-9gc
dmA3536-9gm
dmA4096-9gc
dmA4096-9gm
dmA720-290gc
dmA720-290gm
puA1280-54uc
puA1280-54um
puA1600-60uc
puA1600-60um
puA1920-30uc
puA1920-30um
puA2500-14uc
puA2500-14um
r2L16384-120cm
r2L2048-172cm
r2L2048-172g5m
r2L2048-29gc
r2L2048-58gm
r2L2048-62cc
r2L2048-62g5c
r2L4096-14gc
r2L4096-29gm
r2L4096-42cc
r2L4096-42g5c
r2L4096-84cm
r2L4096-84g5m
r2L8192-200cm
The information in this topic does not apply to your camera model.
The Frequency Converter camera feature allows you to trigger the camera at a frequency that differs from the frequency of the input signals received. You can use it to multiply the original signal frequency by a fractional value.
The frequency converter can accept trigger signals from different sources, e.g., from the camera's encoder control, counter, or timer. Receiving signals from the encoder control is the most common use case.
The feature is only available on Basler racer 2 cameras.
The frequency converter adapts the trigger rate of signals received to a trigger rate that is suitable for use in other applications. This is done by means of division and multiplication.
The frequency converter includes three modules acting in sequence on the original signals: the pre-divider, the multiplier, and the post-divider
The pre-divider module receives the input signals. The module allows you to apply an integer factor, the pre-divider, to decrease the original frequencies and passes the signals on to the next module, the multiplier module.
If, e.g., the pre-divider value is set to 2, only every other input signal is passed out unchanged to the multiplier module and, accordingly, the frequency is halved. If the pre-divider value is set to 1, every input signal is passed out unchanged to the multiplier module.
Info
Employing the pre-divider can be advisable for decreasing periodic jitter of the input signals.
Basler recommends using low values for the pre-divider. The original signal frequency should be changed as little as possible to facilitate frequency adjustment by the multiplier module.
The multiplier module receives the signals from the pre-divider module. To ensure proper operation, the signal frequency received must not be less than 10 Hz. The multiplier module allows you to apply an integer factor, the multiplier, to generate signals at increased frequencies and passes the signals on to the next module, the post-divider module.
For each input signal, a synchronous output signal is generated, i.e., the signals are in phase. Applying a multiplier factor of three would look like this:
Info
After changing the input signal or the multiplier value, it may take some time to reach such an ideal state of phase alignment as shown above. If input periods vary constantly, e.g., when signals sent by an incremental encoder have substantial jitter, a stable phase alignment might never be reached. However, the output signal will be close to optimum.
The post-divider module receives the signals from the multiplier module. The post-divider module allows you to apply an integer factor, the post-divider, to generate signals at decreased frequencies and provides these signals to be used as camera trigger signals, e.g. as line start triggers.
You can set the source signal of the frequency converter using the BslFrequencyConverterSignalSource parameter. This defines how the frequency converter is driven. For example, you can specify that the converter is driven by an electrical signal or by a timer signal.
Info
The frequency converter can only process pulsed signals. When choosing a level signal, e.g., Line1, you must therefore also specify the signal transition that activates the frequency converter.
The following source signals are available:
Encoder1: The frequency converter can be driven by an incremental encoder.
Line1 to Line6: The frequency converter can be driven by applying an electrical signal to I/O line 1, 2, 3, 4, 5, or 6.
CxpTrigger0, CxpTrigger1: The frequency converter can be driven by a CXP trigger signal sent from the frame grabber.
Counter1Active to Counter4Active: The frequency converter can be driven using the Counter feature. The signal will be high (1) as long as the given counter is counting and low (0) as long as it is not counting.
Counter1Start to Counter4Start: The frequency converter can be driven using the Counter feature. A signal is sent whenever the given counter starts counting.
Counter1End to Counter4End: The frequency converter can be driven using the Counter feature. A signal is sent whenever the given counter stops counting.
TimerActive, Timer2Active: The frequency converter can be driven using the Timer feature. The signal will be high (1) as long as the given timer is running and low (0) as long as it is not running.
Timer1End, Timer2End: The frequency converter can be driven using the Timer feature. A signal is sent whenever the given timer has elapsed.
The BslFrequencyConverterActivation parameter allows you to define which signal transition activates the frequency converter. For example, you can specify that the converter becomes active when the trigger signal falls.
Info
The BslFrequencyConverterActivation parameter is only available when choosing a level signal as the source signal, i.e., a signal that can be high (1) or low (0) such as an I/O signal or an "Active" signal like TimerActive.
You can set the BslFrequencyConverterActivation parameter to one of the following values:
RisingEdge: The frequency converter becomes active when the trigger signal rises, i.e., when the signal status changes from low to high. This is the default setting.
FallingEdge: The frequency converter becomes active when the trigger signal falls, i.e., when the signal status changes from high to low.
AnyEdge: The frequency converter becomes active when the trigger signal falls or rises.
// Select encoder 1 as the source signal for the frequency convertercamera.BslFrequencyConverterSignalSource.SetValue(BslFrequencyConverterSignalSource_Encoder1);// Set the pre-divider value to 3camera.BslFrequencyConverterPreDivider.SetValue(3);// Set the multiplier value to 4camera.BslFrequencyConverterMultiplier.SetValue(4);// Set the post-divider to 2camera.BslFrequencyConverterPostDivider.SetValue(2);
INodeMap&nodemap=camera.GetNodeMap();// Select encoder 1 as the source signal for the frequency converterCEnumParameter(nodemap,"BslFrequencyConverterSignalSource").SetValue("Encoder1");// Set the pre-divider value to 3CIntegerParameter(nodemap,"BslFrequencyConverterPreDivider").SetValue(3);// Set the multiplier value to 4CIntegerParameter(nodemap,"BslFrequencyConverterMultiplier").SetValue(4);// Set the post-divider to 2CIntegerParameter(nodemap,"BslFrequencyConverterPostDivider").SetValue(2);
// Select encoder 1 as the source signal for the frequency convertercamera.Parameters[PLCamera.BslFrequencyConverterSignalSource].SetValue(PLCamera.BslFrequencyConverterSignalSource.Encoder1);// Set the pre-divider value to 3camera.Parameters[PLCamera.BslFrequencyConverterPreDivider].SetValue(3);// Set the multiplier value to 4camera.Parameters[PLCamera.BslFrequencyConverterMultiplier].SetValue(4);// Set the post-divider to 2camera.Parameters[PLCamera.BslFrequencyConverterPostDivider].SetValue(2);
/* Macro to check for errors */#define CHECK(errc) if (GENAPI_E_OK != errc) printErrorAndExit(errc)GENAPIC_RESULTerrRes=GENAPI_E_OK;/* Return value of pylon methods *//* Select encoder 1 as the source signal for the frequency converter */errRes=PylonDeviceFeatureFromString(hdev,"BslFrequencyConverterSignalSource","Encoder1");CHECK(errRes);/* Set the pre-divider value to 3 */errRes=PylonDeviceSetIntegerFeature(hdev,"BslFrequencyConverterPreDivider",3);CHECK(errRes);/* Set the multiplier value to 4 */errRes=PylonDeviceSetIntegerFeature(hdev,"BslFrequencyConverterMultiplier",4);CHECK(errRes);/* Set the post-divider to 2 */errRes=PylonDeviceSetIntegerFeature(hdev,"BslFrequencyConverterPostDivider",2);CHECK(errRes);
# Select encoder 1 as the source signal for the frequency convertercamera.BslFrequencyConverterSignalSource.Value="Encoder1"# Set the pre-divider value to 3camera.BslFrequencyConverterPreDivider.Value=3# Set the multiplier value to 4camera.BslFrequencyConverterMultiplier.Value=4# Set the post-divider to 2camera.BslFrequencyConverterPostDivider.Value=2