Chapter 2 System Components Visionscape GigE Network Configuration Visionscape GigE cameras should be configured on private networks in the manner described in Section 2 of this manual. Cameras may either be connected directly to a PC network “Ethernet” port or wired indirectly through a GigE switch such as PN 98-000131-01. The Visionscape GigE is configured by default with network parameters governing packet size and the intervals between packets that allow single GigE cameras of all sensor sizes to operate at full rated speed.
The automatically selected parameters will also allow multiple (up to 4) standard resolution (VGA) cameras such as the 98-000115-01 (CMG03) to operate at full speed in a direct connect or wired through a switch configuration. If multiple high resolution cameras (such as the CMG20 or CMG50) are employed in applications with high trigger rates, Omron Microscan recommends that each camera is connected directly to its own PC network port. If a switch must be used then the available network bandwidth will be restricted to that of the link between the switch and the PC network port.
In these circumstances the trigger rate should be restricted to limit the overall pixel rate to approximately 80 Mpixels/sec and network parameters should be adjusted to override the default Packet Size and Inter-Packet Delay parameters. This is done by entering appropriate values in the Windows registry. To make these changes the user should run the “regedit” program that is supplied with Microsoft Windows. Important: Since unintended registry changes can render a PC inoperable it is recommended that registry changes are only made by those with suitable training or experience. Proceed with the following only if you meet these criteria or have access to expert assistance.
In any case a registry backup should be made before any changes are made to the system registry. 2-62 Visionscape GigE Camera Guide