Communication control registers (0x4000, 0x4001, 0x4002)
The address of command word register for communication control is 0x4000.
This register is write-only. The frequency converter is controlled through writ‐
ing data into the address. The definition of each bit is shown in table below.
bit Value Description
15...8 – Reserved
7
1 Inactive
0 Active
6
1 Stop acceleration/deceleration active
0 Inactive
5
1 Reset active
0 Inactive
4
1 E-Stop active
0 Inactive
3
1 Stop according to parameter setting
0 Inactive
2
1 Reverse
0 Forward
1
1 Jog active
0 Inactive
0
1 General control active
0 Inactive
Tab. 12-15: Communication control registers (0x4000, 0x4001, 0x4002)_bit defini‐
tion
The address of frequency setting register for communication control is
0x4001. This register is write-only. When 'Frequency setting mode' b1.00 is
set to '5: Set via communication', the frequency converter can be set with
writing data to this address.
The address of torque setting register for communication control is 0x4002.
This register is write-only. When 'Torque control reference' S1.05 is set to '3:
Set by communication', the torque command can be set with writing data to
this address.
The address of communication setting register for FM1 analog output is
0x4003. This register is write-only. When 'FM1 analog output' E1.10 is set to
'7: Communication setting', the analog output of FM1 can be set with writing
data ranging from 0 to 1,000 to 0x4003.
The address of communication setting register for FM2 analog output is
0x4004. This register is write-only. When 'FM2 analog output' E1.13 is set to
'5: Communication setting', the analog output of FM2 can be set with writing
data ranging from 0 to 1,000 to 0x4004.
Bosch Rexroth AG DOK-RCON02-FV*********-IB08-EN-P226/259
Rexroth Frequency Converter Fv
Communication Protocols
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