Chapter 9 Ethernet Communication Module AH10/15EN Qualifier of counter interrogation QCC: CP8{RQT, FRZ} bit 8 7 6 5 4 3 2 1 Single event of protection equipment SEP: CP8{ES, RES, EI, BL, SB, NT, IV} bit 8 7 6 5 4 3 2 1 9-23 FRZ RQT RQT: Request qualifier of counter interrogation command Description 0: No counter read 1: Request counter group 1 2: Request counter group 2 3: Request counter group 3 4: Request counter group 4 5: General request counter 6~31: Reserved for future norm definitions 32~63: Reserved for user definitions (private range) FRZ: Freeze/reset qualifier of counter interrogation command Description 0: Read only (no freeze or reset) 1:
Counter freeze without reset (value frozen represents integrated total) 2: Counter freeze with reset (value frozen represents incremental information 3: Counter reset IV NT SB BL EI RES ES IV: Invalid quality flag Description 0: Valid 1: Invalid NT: Topical quality flag Description 0: Topical 1: Not topical SB: Substituted quality flag Description 0: Not substituted 1: Substituted BL: Blocked quality flag Description 0: Not blocked 1: Blocked EI: Elapsed flag Description 0: Elapsed time valid 1: Elapsed time not valid ES: Event state (single event of protection equipment) Description 0: Indeterminate 1: OFF 2: ON 3: Indeterminate