MODBUS regis‐
ter
MODBUS ad‐
dress
No. of bytes Data type Description Read / write
4:02209 2208 2 Byte 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
R/W
4:02211 2210 2 Byte Frequency 1 selection:
• 0 = O (read only)
• 1 = Massow
• 2 = Fraction A
• 3 = Fraction B 
• 4 = Volumeow
• 5 = Sensor temp.
• 6 = Density
• 7 = % fraction A
R/W
4:02212 2211 2 Byte Frequency 1 Direction
• 1 = Unidirectional 
• 2 = Bidirectional
R/W
4:02213 2212 2 Byte Frequency 1 Fmax.
• 0 = 10 kHz
• 1 = 5 kHz 
• 2 = 1 kHz
• 3 = 500 Hz
R/W
4:02214 2213 4 Float Frequency 1 Timeconstants R/W
Modbus holding registers
A.6 Output
Modbus RTU RS 485
Operating Instructions, 03/2021, A5E00753974-AB 47