Siemens SITRANS F Modbus RTU RS 485 Operating Instructions Manual page 47

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Modbus RTU RS 485
Operating Instructions, 03/2021, A5E00753974-AB
No. of bytes Data type
2 Byte
2 Byte
2 Byte
2 Byte
4 Float
Description
Pulse 1 width:
• 0 = 64 us
• 1 = 130 us
• 2 = 260 us
• 3 = 510 us
• 4 = 1.0 ms
• 5 = 2.0 ms
• 6 = 4.1 ms
• 7 = 8.2 ms
• 8 = 16 ms
• 9 = 33 ms
• 10 = 66 ms
• 11 = 130 ms
• 12 = 260 ms
• 13 = 520 ms
• 14 = 1.0 s
• 15 = 2.1 s
• 16 = 4.2 s
Frequency 1 selection:
• 0 = Off (read only)
• 1 = Massflow
• 2 = Fraction A
• 3 = Fraction B
• 4 = Volumeflow
• 5 = Sensor temp.
• 6 = Density
• 7 = % fraction A
Frequency 1 Direction
• 1 = Unidirectional
• 2 = Bidirectional
Frequency 1 Fmax.
• 0 = 10 kHz
• 1 = 5 kHz
• 2 = 1 kHz
• 3 = 500 Hz
Frequency 1 Timeconstants
Modbus holding registers
A.6 Output
Read / write
R/W
R/W
R/W
R/W
R/W
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