Yamaha RCX series User Manual page 44

Ethernet network board
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2-15 Supplement
2
38
■ Example 2
In this example, many controllers are operated with the HUBs connected in cascade.
Straight-through cable
Cascade port
(UPLINK port, MDI port)
X
1
2
3
4
HUB with cascade port
PC
* The cascade port, also sometimes called an UPLINK port or MDI port is used when connect-
ing multiple HUBs in cascade. Straight-through cables are used to connect the cascade ports of
the HUBs together. However, crossover cables are used when connecting HUBs not having
cascade ports or when making cascade connections without using cascade ports.
* A maximum of 4 HUB units can be connected in cascade.
* The same type network can also be built up by stacking HUBs together using so-called stackable
HUBs. In this case, Multiple HUBs connected in a stack are seen as just one large HUB by the
network so there is no limit on the number of HUB units that can be stacked.
System setup example
IP address
PC
192.168.0.2
Controller 1
192.168.0.3
Controller 2
192.168.0.4
:
:
Controller 9
192.168.0.11
Controller 10
192.168.0.12
Crossover cable
1
2
3
4
HUB
5
6
7
8
MOTOR
OP.1
PWR
SRV
RPB
RPB
ERR
XM
ROB
I/O
XY
YM
BATT
SEL
XY
COM
ROB
I/O
ZR
OP.2
ZM
BATT
STD.DIO
ZR
SAFETY
RM
EXT.E-STOP
13 14
Subnet mask
Gateway
255.255.255.0
192.168.0.1
255.255.255.0
192.168.0.1
255.255.255.0
192.168.0.1
:
:
255.255.255.0
192.168.0.1
255.255.255.0
192.168.0.1
HUB
1
2
3
4
5
6
7
5
6
7
8
RCX240
OP.3
MOTOR
OP.1
PWR
SRV
RPB
RPB
ERR
XM
ROB
I/O
XY
YM
BATT
SEL
XY
COM
ROB
I/O
• • •
ZR
OP.4
OP.2
RGEN
ZM
BATT
STD.DIO
P
ZR
N
SAFETY
ACIN
L
RM
N
L1
N1
EXT.E-STOP
13 14
RCX series controller
8
RCX240
OP.3
OP.4
RGEN
P
N
ACIN
L
N
L1
N1

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