Unique ID of the entry. POH Power on hours. CB.<label>.TRIPCNT Trip count of circuit breaker with label <label>. CTRL.<serial>.<addr>.MASTER.CSUMERRLASTHOUR Number of checksum errors in slave (controller board) to master (CPU board) communication in the last hour on controller with serial number <serial> and bus address <addr>. CTRL.<serial>.<addr>.SLAVE.CSUMERRLASTHOUR Number of checksum errors in master (CPU board) to slave (controller board) communication in the last hour on controller with serial number <serial> and bus address <addr>. CTRL.<serial>.<addr>.TOUTLASTHOUR Number of communication timeouts to controller with serial number <serial> and bus address <addr> in the last hour. CTRL.<serial>.<addr>.RLY.<num>.CYCLECNT Number of cycles the relay <num> on the controller board with serial number <serial> and bus address <addr> has made. A cycle is an off->on followed by an on->off event later. The count is increased on the off->on transition. CTRL.<serial>.<addr>.RLY.<num>.FAILLASTHOUR Number of failed switching operations on relay <num> on the controller board with serial number <serial> and bus address <addr> in the last hour. It depends on the specific controller board hardware and what error conditions are detected.