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2-3 How to connect to Ethernet
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2-3
How to connect to Ethernet
The Ethernet unit for RCX series employs 10BASE-T specifications, so the robot controller connects
by a cable to the HUB.
Use UTP cables (unshielded twisted-pair cables) or STP cables (shielded twisted-pair cables) for
category 3 or higher, with straight-through wiring specifications.
To connect to the Ethernet, insert the cable with modular jack into the modular connector on the
controller until you hear a click. Insert the other end of the cable into the modular connector on the
HUB.
Fig. 2-1 Connecting to Ethernet
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2
c
CAUTION
We use an FL HUB (made by Phoenix Contact) to check operation. Using this HUB is recommended if
constructing your own system.
HUBs generally available on the market are not designed for use in locations such as factories, so some HUBs
are vulnerable to external noise. Please acknowledge beforehand that operation cannot be guaranteed if other
types of HUBs are used.
Always be sure to use a HUB with high noise resistance when connecting to the controller.
c
CAUTION
The maximum cable length between the HUB and controller is 100 meters.
Before connecting the HUB and controller always refer to the instruction manuals for the device used by the
other party and peripheral equipment such as the HUB.
If the HUB communication mode can be set manually, then set to 10Mbps/Half Duplex.
n
NOTE
Using a straight-through cable is recommended when connecting to the other party's device by way of the HUB.
You can connect directly to the other party's device without the HUB by using a crossover cable but communication
may sometimes not be possible due to the type of LAN adapter used by other party's device.
HUB
3
4
5
6
7
8
UTP (STP)
straight-through cable
RCX240
MOTOR
OP.1
OP.3
PWR
SRV
RPB
RPB
ERR
XM
ROB
I/O
XY
YM
BATT
SEL
XY
COM
ROB
I/O
ZR
OP.2
OP.4
RGEN
ZM
BATT
STD.DIO
P
ZR
N
SAFETY
ACIN
L
RM
N
L1
N1
EXT.E-STOP
13 14
RCX series controller
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