Gossen R2601 사용자 설명서
GOSSEN METRAWATT GMBH
9
2.2 Control set
The R2600/01 uses control sets on the request side only. They serve to request all equipment data that cannot be requested via a short set because a
detailed specification is required for them.
detailed specification is required for them.
Principal construction control set
Character No. Contents
Meaning
Remarks
1
68h
Start character
2
3 and/or 6
Length
Number of characters from equipment address to checksum exclusive
3
3 and/or 6
Length (repeat)
4
68h
Start character (repeat)
5
0 ... FAh, FFh
Equipment address
Addr and/or 255 (see 2.4.1)
6
Function field
(FF)
see 2.4.2
7
Parameter index
(PI)
see 2.4.3
8
1
From channel
For reasons of compatibility with multi-channel controllers these charac-
ters must be available, omitted for parameter index 30h ... 3Fh.
ters must be available, omitted for parameter index 30h ... 3Fh.
9
1
To channel
10
0
Receipt number
8 and/or 11
Checksum
(PS)
1)
1) For the set types, the checksum is formed by bytewise summation without overflow summation over all characters from the equipment address to checksum exclusive.
9 and/or 12
16h
End character