Register address Monitored value
0x5011 Torque limit setting
0x5012 Speed limit setting
0x5013 Multi-monitoring display
0x5014 VR1 analog input voltage
0x5015 VR2 analog input voltage
0x5016 VR3 analog input voltage
0x5017 +I analog input current
Tab. 12-18: Addresses of monitor registers and monitored values
● "0" is returned when the communication address is 0x5013.
● When the communication address is 0x5014, data ranging from
0...1,000 is returned corresponding to analog voltage ranging from
0...10 V or 0...-10 V.
● When the communication address is 0x5015 or 0x5016, data ranging
from 0...1,000 is returned corresponding to analog voltage ranging from
0...10 V.
● When the communication address is 0x5017, data ranging from
0...1,000 is returned corresponding to analog current ranging from 0...20
mA.
12.2.5 Modbus Communication Example
One slave address is 01H. The frequency setting of the frequency converter
has been set to “external computer frequency setting” and the source of run‐
ning commands is “external computer control”. It is required for the motor
connected to the frequency converter to run with 50 Hz (forward rotation).
The operation can be achieved with function 0x10 of the Modbus protocol.
The messages of the requests from the master and responses from the slave
are shown in table below.
DOK-RCON02-FV*********-IB08-EN-P Bosch Rexroth AG 229/259
Rexroth Frequency Converter Fv
Communication Protocols
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