Quick view Macurco Macurco Modbus RS-485 Adapter (6-Series) Compare $129.99 MRS-485 Modbus RS-485 Adapter for use with Macurco 6-Series Detectors The Macurco MRS-485 Adapter converts the Macurco 6-Series 4-20mA analog output to a digital output for use with addressable network systems. The Macurco 6-Series is a family of... Add to Cart Add to Cart