Gossen R2600 User Manual download pdf (Page 13)

GOSSEN METRAWATT GMBH 13

2.4.3 Parameter index (PI)

The type of the data to be transmitted is defined via the parameter index. The "PI" character is interpreted as follows:

Functionally used data and/or setting parameters of an equipment are combined in the main parameter groups. Only those parameter indices docu-

mented in section 4 can be addressed in the R2600/01, an error message is issued for all others.

2.4.4 Length and format of the data block

Length and format of the data block are variable and a function of PI and FF.

The transmitted values can have byte or word format:

Bit 7-4 Bit 3-0

0 ... Fh 0 ... Fh

Selection number for main parameter group Selection number for a special parameter in the main group

8 Bit

Number without sign

± 7 Bit 2's complement presentation

Number with sign

16 Bit LS byte first

Number without sign

± 15 Bit LS byte first, 2's complement presentation

Number with sign

8/16 Bit LS byte first

Bit field

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 39 40

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Gossen R2600 User Manual Page 13