Revision HistoryTable 45 provides a historical summary of the changes made to the DECS-250 hardware. Firmwarechanges are listed in Table 46 and software changes are listed in Table 47. The corresponding revisionsmade to this instruction manual are summarized in Table 48. Revisions are listed in chronological order.Table 45. Hardware Revision HistoryHardwareVersion and Date ChangeA, 01/12 • Initial releaseB, 05/13 • Improved mechanical design of analog board.C, 05/13 • Improved alignment of terminal labeling.D, 07/13 • Improved escutcheon plate rigidity.E, 07/13 • Improved power supply isolation.• Added RoHS compliance.F, 10/13 • RoHS updates to documentation.G, 03/14 • Released firmware version 1.01.05H, 05/14 • Improved components on digital boards.J, 06/14 • Released firmware version 1.02.00K, 08/14 • Increased maximum operating temperature to +70°C.• Added GND terminal to power connector.Table 46. Firmware Revision HistoryFirmwareVersion and Date Change1.01.00, 07/12 • Initial release1.01.05, 03/14 • Added PF Active Power Level setting for var/PF regulation.• Added Network Load Share ID settings.• Added secure login via Modbus™ communication settings.• Added Modbus registers for Binary Points and Metering.1.02.00, 05/14 • Added Russian language support.• Added overexcitation (24) protection.• Added transient excitation boosting function.• Added loss of excitation (40Q) protection for motors.• Added integrating reset method to takeover OEL.• Added angle compensation to synchronizer and sync check (25).• Increased available real-time monitoring plots from two to six.Table 47. Software Revision HistorySoftwareVersion and Date Change3.00.02, 09/12 • Initial release3.01.01, 11/12 • Added English/Metric unit display3.02.00, 12/12 • Added Windows®8 compatibility3.05.02, 01/14 • Updated to support firmware version 1.01.05.3.05.03, 02/14 • Maintenance release3.06.00, 04/14 • Updated to support firmware version 1.02.00.CALL US TODAY1-888-POWER-58REQUEST A QUOTEparts@genpowerusa.comSHOP ONLINEwww.genpowerusa.comCALL US TODAY1-888-POWER-58REQUEST A QUOTEparts@genpowerusa.comSHOP ONLINEwww.genpowerusa.com