Specifications

SMEMA Conveyor Interface
This feature is only applicable to ScanSpection In-Line machines.
The AOI uses a conveyor as the means of loading and unloading the PCBs.
The AOI’s conveyor interface is SMEMA compatible. The normal flow
configuration is from left to right. That is the un-inspected PCBs flow in from
the left side, received the inspection, and flow out to the right side of the
machine. AOIs is capable of doing left to right, or left to left with a flip of a
toggle switch inside the conveyor controller box. The left to left flow facilitate
loading/unloading when the AOIs are used standalone. Some customers
prefer to buy the AOI and use it offline. AOIs can be used both inline and
standalone. With a simple wiring change (can be done in the field or even by
the customers) these conveyors can also do right to left or right to right.
There are few software parameters related to the SMEMA interface. In the
System Options dialog, the Setup button behind the SMEMA Conveyor Int’f
check box launches the following dialog.
The Min. Transfer Time is the time that the AOI will assert the “ready for
board signal” on the SMEMA interface. If the Ignore down stream conveyor
check box is enabled, the AOI will assume the down stream conveyor is
always ready for boards. The No Feed box, if checked, will allow the system
to repeatedly test a board without feeding it through. This feature is useful
when creating a new board setup or modifying board setups. Prompt for
board S/N before feeding should be enable if you use a hand held bar code
reader to read board S/N on a inline machine. Settle Delay set wait time from
the time the board is sensed by the sensor to the time fiducial recognition
begins. It is default to 0. A delay improves position accuracy during inspection.
The Help button displays online help information on the SMEMA interface.