Release Notes for 1800288 v7.10 NS-Link Driver for the DeviceMaster There is a problem with RS-485 4-wire connections in the DeviceMaster Windows driver (PN 1800288) version 7.10. All received data is lost. Applications will not get any inbound (received) data from the driver. Outbound (transmitted) data transfer works normally. The fix will be in the next release of this driver.