Datahighwaygateways Our expertise is interfacing PC's, SCADA Systems, A-B PLC's, SLC's, computers, modems, variable speed drives and OEM equipment to Modicon's Modbus, Allen-Bradley's Data Highway Plus (DH+), DH-485, and Remote I/O. Phone: 206.259.6359 4622 Kent Court Kent, Washington 98032 United States Map Other Categories: Business Services |