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Meaning of individual bytes
Table 11- 9
Byte 1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Table 11- 10 Byte 2
Byte 2
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Table 11- 11 Byte 3
Byte 3
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Table 11- 12 Byte 4
Byte 4
Bit 7
Bit 6
Bit 5
SITRANS DA400 for oscillating positive displacement pumps
Operating Instructions, 09/2008, A5E00841120-03
Byte 1
Code
Meaning
Res.
Reserved
Res.
Reserved
DO6
=1 -> Digital output 6 has responded
DO5
=1 -> Digital output 5 has responded
DO4
=1 -> Digital output 4 has responded
DO3
=1 -> Digital output 3 has responded
DO2
=1 -> Digital output 2 has responded
DO1
=1 -> Digital output 1 has responded
Code
Meaning
S2 St.
=1 -> Alarms for acoustic channel 2 are valid
Res.
Reserved
PrAL2
=1 -> Pre-alarm received from acoustic channel 2
AL2
=1 -> Main alarm received from acoustic channel 2
S1 St.
=1 -> Alarms for acoustic channel 1 are valid
Res.
Reserved
PrAL1
=1 -> Pre-alarm received from acoustic channel 1
AL1
=1 -> Main alarm received from acoustic channel 1
Code
Meaning
S4 St.
=1 -> Alarms for acoustic channel 4 are valid
Res.
Reserved
PrAL4
=1 -> Pre-alarm received from acoustic channel 4
AL4
=1 -> Main alarm received from acoustic channel 4
S3 St.
=1 -> Alarms for acoustic channel 3 are valid
Res.
Reserved
PrAL3
=1 -> Pre-alarm received from acoustic channel 3
AL3
=1 -> Main alarm received from acoustic channel 3
Code
Meaning
doI4St.
=1 -> Status "doI4" valid
doI4
Digital signal from universal input 4
do3St.
=1 -> Status "doI3" valid
11.3 Meaning of 8 byte binary status signals
PROFIBUS DP
95
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