12.2.6 Special Notes
1. The external computer can not write to function codes b0.03, b0.08,
b0.09 and S2.10.
2. b0.00 and b0.02 do not support multiple write including single write in
multiple write; parameters of motor name plate and motor can not be
written at the same time; Terminals X1 to X8 can not be rewritten if they
are not 0.
3. If the communication protocol is changed, baud rate, data frame and lo‐
cal address will be restore to factory default.
4. The read response of user password and factory password is '0000' in
case of external computer reading.
5. External computer can not set, modify or cancel user password; external
computer can only write 0 in case of no password or write correct pass‐
word in case of with password; if a password is active, the external com‐
puter only has the access to modify the parameters after input of the
correct password; After the external has the access to modify the pa‐
rameters, if the previous password is input again, the modification ac‐
cess is disabled.
6. The access to control registers and state registers is not limited by user
password.
7. The frequency converter can not communicate in the process of auto-
tuning; the communication will be recovered when auto-tuning is com‐
plete.
DOK-RCON02-FV*********-IB08-EN-P Bosch Rexroth AG 231/259
Rexroth Frequency Converter Fv
Communication Protocols
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