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Data type definitions
5.1
Single-point indication (SP, Input)
Message head...
Figure 5-1
Data type single-point indication
5.2
Single command (SC, Output)
7
2
Message head...
Figure 5-2
Data type single command
5-2
Number of byte-values :
Range of values
0 -
OFF
1 -
ON
7
3
2
2
...2
2
...
Bit x+2
SP 3
max. 8 SP per octet/byte
Single commands of the SIPROTEC device are controlled via
PROFIBUS-DP by two bits (equivalent to double commands, ref. to
chap. 2.1).
Number of byte-values : ¼ (2 bits)
Range of values
0 (bit 1 = 0 and bit 0 = 0) - Quiescent status
1 (bit 1 = 0 and bit 0 = 1) -
2 (bit 1 = 1 and bit 0 = 0) -
3 (bit 1 = 1 and bit 0 = 1) - not permissible
4
3
2
...2
2
2
...
Bit 1
Bit 0
SC 1
max. 4 SC per octet/byte
7SJ61/62/63, 6MD63, 7UM61 PROFIBUS-DP – Communication profile
1
/
(1 bit)
8
: 0 and 1
1
0
2
2
Bit x+1
Bit x
SP 2
SP 1
: 0 to 3
OFF
ON
1
0
2
2
Bit 1
Bit 0
SC 2
...Message end
...Message end
C53000-L1840-B001-02
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