GOSSEN METRAWATT GMBH 10
2.3 Long set
The R2600/01 uses long sets to transmit instructions and parameters to the equipment and to receive data from the equipment.
Principal construction long set
Character No. Contents Meaning Remark
168h Start character
2Length Number of characters from equipment address to checksum
exclusive
3Length (repeat)
468h Start character (repeat)
50 ... FAh, FFh Equipment address Addr and/or 255 (see 2.4.1)
6Function field (FF) see 2.4.2.
7Parameter index (PI) 1)
1) Omitted for reply cycle data and event data.
see 2.4.3.
8 1 From channel 1)
91To chan nel 1) Omitted for parameter index 30h ... 3Fh
10 0Receipt number 1)
. . . n character data block see 2.4.4.
Length + 5 Checksum (PS) 2)
2) For the set types, the checksum is formed by bytewise summation without overflow summation over all characters from the equipment address to checksum exclusive.
Length + 6 16h End character