Firmware V3.8 is the latest available for the ACE Surface Readout Unit (SRU) adding new features to the ACE system. Version 3.8 adds high resolution Modbus registers for all channels in addition to support for 10KPSI, 350 Deg. F extreme temperature XT sensors, wire line sensors, improved accuracy readings for the winding temperature, Wood Group Smartguard sensor emulation when connected to a Vector VSD (channels will automatically appear on the WG Vector display), dual pressure / discharge option, vibration support. Support for GE/BH Apollo VSD's. Click the link to download it.