3−20 Electric Drives
and Controls
Bosch Rexroth AG RhoMotion 1070072367 / 04
Structure of the rho4.0
Setting S2, Node-ID = 2
Switch 8
Switch 7 Switch 6 Switch 5 Switch 4 Switch 3 Switch 2 Switch 1
off off off off off off on off
reserved Node-ID =2
Setting 20 Byte
Example of the connection of a I/O-Gateway with 20 byte setting at the
CAN Bus 2 (X52) of the rho4 with CANrho protocol.
B~IO M-CAN
CAN-Bus 2
I/O-Gateway B~IO M-
Bus connection
20 Byte
Field bus
(from Version 1.3)
(X52) of the rho4.0
In the 20 byte setting at the I/O gateway, only three block inputs and three
block outputs are set since the maximum block length at CAN is fixed at
eight bytes.
On the rho4 the following values are written in the machine parameters
P30 to P32 for the connection of the CAN Bus. They can be used for all
B~IO-M-bus connections with 20 Bytes.
P30 I/O Configuration
Number of the input blocks
Display PHG:
MP SET
P30 I/O-CONF. CAN
Numb. of Inp-BI.: 03
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