AH500 Module Manual (2) Record types The slave ID of the power meter is 5. All telegrams consist of one of three types of records. These types of records are abbreviated records, control records, and full records. The use of these record types is described below. 〈 Abbreviated record 〉 〈 Control record 〉 〈 Full record 〉 (3) Usage AH10SCM-5A can communicate with the power meter through the three types of records.
8-48 Character Contents Description number 1 16#10 Start bit 2 16#00…16# FA, 16#FF Instrument address (IA) 3 Function field (FF) 4 Checksum (CS) (CS=IA+FF) 5 16#16 End mark Character Contents Description number 1 16#68 Start bit 2 16#03 Length 3 16#03 Length (repeat) 4 16#68 Start bit (repeat) 5 16#00…16 #FA, 16#FF Instrument address (IA) 6 Function field (FF) 7 Parameter index (PI) 8 Checksum (CS) (Summation of the characters starting from IA to PI) 9 16#16 End mark Character Contents Description number 1 16#68 Start bit 2 Length 3 Length (repeat) 4 16#68 Start bit (repeat) 5 16#00…16 #FA, 16#FF Instrument address (IA) 6 Function field (FF) 7 Parameter index (PI) …
n character, data block (DB) Length+5 Checksum (CS) (Summation of the characters starting from IA to the last data type) Length+6 16#16 End mark Type Telegram to the power meter Response (via a record type) 1 Resetting the instrument (via an abbreviated record) None 2 Querying the status of the instrument (via an abbreviated record) Abbreviated record 3 Most important measured values and errors (cyclic data) (via an abbreviated record) Full record 4 Event data for error analysis (via an abbreviated record) Full record