plc project how communicate?

plc project how communicate?
how can i communicate a bar code Scanner with a plc micrologix 1500 allen bradley?
what i need? any special card?
good homework

Best answer:

The scanner should be reading the barcode as a number. Depending on the storage format you should be able to send the number directly to the PLC. If you need a good reference on how to do that, check out the link below.