13.2.6 Special Notes
1. The external computer can not write to function codes b0.06 "Parameter
replication", b0.30 "running monitoring display" and b0.31 "Stop monitor-
ing display".
2. b0.00 "User password" and b0.05 "Parameter initialization" do not support
multiple write including single write in multiple write; Motor nameplate pa-
rameters and motor physical data should not be modified simultaneously;
Multi-function digital input terminals (E0.01 ~ E0.05) writing operation do
not permit repeated nonzero value.
3. If the communication protocol is changed, baud rate, data frame and local
address will be restored to factory default.
4. The read response of user password and manufacture password is "0000"
in case of external computer reading.
5. The external computer can set, modify or cancel user password, the specif-
ic operation is same to the situation when "Running command source" is
from keyboard.
6. The access to control registers and state registers is not limited by user
password.
13.2.7 Communication Networking
Networking
The communication network is shown in figure below, with a PC, a PLC or an
external computer as the master and all frequency converters as slaves, which
are connected by shielded twisted pair cables. The slave at the end of the net-
work needs a termination resistor with recommended value of 120 Ω, 0.25 W.
Fig. 13-3: Communication networking
Cables may only be connected when the fre-
quency converters are switched off!
EFC 3600 Bosch Rexroth AG
Communication Protocols
DOK-RCON03-EFC-3600***-IT03-EN-P
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