Any Way to Connect OPC UA to a 3964R Device?

I have a device that transmits data using 3964R. This is a protocol that was designed by Siemens for bi-directional data communication. I do not see it available under the list of OPC UA device drivers on the gateway. Does anyone know of a method to connect to a 3964R device?

Is it a Siemens S5 or something else?

It is a Bunting Magnetics AMD05 metal detector. The physical layer is RS232.