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4. CONTROL UNIT CONNECTIONS
4.9 Connecting the Remote I/O Unit
I - 33
<Connection to use C6 as slave station>
When using the C64 and M600 Series, etc., as the master station and C6 as the slave station,
use the RIO-M/S connector. Connect the R211 cable from the master station to the RIO-M/S
connector on C6.
When connecting multiple C6 units, use a relay cable or terminal block, etc., as a relay. Set the
terminator ON/OFF slide switch SW2-2.
Set the slave station number with the rotary switch CS2.
3
1
X
3
2
1
Connector : 1-178802-3
Contact : 175289-2 (Tyco Electronics AMP)
Master station remote I/O connector
C64
R211 cable
C6
C6
RIO-M
RIO-M/S
RIO-M/S
C6
RIO-M/S
Set SW2-2 to OFF (right side) except for the
final station.
Set to ON (left side) for the final station.
The final station refers to the station with no
subsequent slave stations.
R211 cable (Note 3)
R211 cable (Note 3)
Relay cable
Connector : 1-178802-3
Contact : 175289-2 (Tyco Electronics AMP)
Connector : 1-178288-3
Contact : 1-175218-2
(
T
y
co Electronics AMP
)
RIO-M
C64
RIO-M RIO-M/S
RIO-M RIO-M/S
RIO-M RIO-M/S
RIO-M RIO-M/S
3
2
1
RIO-M RIO-M/S
0 0
CS1
CS2
12
ON
SW2
(Note 1)
The maximum number of C6 control units and remote I/O units that can be connected is within the range that the total
number of occupied stations (channels) is 8 or less.
(Note 2) Set the C6 control unit slide switch SW2-2 to ON (left side) only for the final station.
(Note 3) Connect the crimp terminal connected to the shield of the R211 cable to the frame ground of the control unit.
Note that to improve the noise withstand level, there may be cases when one end, both ends or neither end is connected.
(Note 4) The RIO-M connector is dedicated for the master station, and RIO-M/S changes between the master and slave with
parameter settings.
When using as a slave station, the parameter must be set for the slave.
CAUTION
Incorrect connections could cause device damage, so always connect the cables to the
designated connectors.
Do not connect or disconnect the connection cable between each unit while the power
is ON.
Separate the signal wire from the drive line/power line when wiring.