AW00089317000 Basler Network Drivers and Parameters
Basler ace GigE 341
A.2.6 Transport Layer Parameters
The transport layer parameters are part of the camera’s basic GigE implementation. These
parameters do not normally require adjustment.
Read Timeout - If a register read request is sent to the camera via the transport layer, this
parameter designates the time out (in milliseconds) within which a response must be received.
Write Timeout - If a register write request is sent to the camera via the transport layer, this
parameter designates the time out (in milliseconds) within which an acknowledge must be received.
Heartbeat Timeout - The GigE Vision standard requires implementation of a heartbeat routine to
monitor the connection between the camera and the host PC. This parameter sets the heartbeat
timeout (in milliseconds). If a timeout occurs, the camera releases the network connection and
enters a state that allows reconnection.
You can set the driver related transport layer parameter values from within your application software
by using the Basler pylon API. The following code snippet illustrates using the API to read and write
the parameter values:
// Read/Write Timeout
Camera_t::TlParams_t TlParams( Camera.GetTLNodeMap() );
TlParams.ReadTimeout.SetValue(500); // 500 milliseconds
TlParams.WriteTimeout.SetValue(500); // 500 milliseconds
// Heartbeat Timeout
Camera_t::TlParams_t TlParams( Camera.GetTLNodeMap() );
TlParams.HeartbeatTimeout.SetValue(5000); // 5 seconds
You can also use the Basler pylon Viewer application to easily set the parameters.
For more information about the pylon API and the pylon Viewer, see Section 3 on page 45.
Management of the heartbeat time is normally handled by the Basler’s basic GigE
implementation and changing this parameter is not required for normal camera
operation. However, if you are debugging an application and you stop at a break
point, you will have a problem with the heartbeat timer. The timer will time out
when you stop at a break point and the connection to the camera will be lost. When
debugging, you should increase the heartbeat timeout to a high value to avoid
heartbeat timeouts at break points. When debugging is complete, you should
return the timeout to its normal setting.
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