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4. CONTROL UNIT CONNECTIONS
4.9 Connecting the Remote I/O Unit
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4.9 Connecting the Remote I/O Unit
The RIO-M connector is used to connect the remote I/O unit. Connect the R211 cable from the RIO-M
connector on the control unit to RIO1 on the remote I/O unit.
When connecting multiple remote I/O units, connect the R211 cable from the RIO2 connector to the
RIO1 connector on the next remote I/O unit.
Connect the terminator (R-TM) to RIO2 connector on the final remote I/O unit. Use the accessories for
the connectors and contacts when manufacturing the R211 cable. If the accessories are insufficient,
prepare the CN221 one end connector set (optional, with one end).
(Refer to the CABLE MANUFACTURING DRAWINGS for details.)
Back
Front
RIO-M
R211 cable
RIO-M
Bottom
Back
RIO1/RIO
2
FCUA-DX
Connect the terminator (R-TM) to RI02
connector on the final remote I/O unit.
Front
RIO-M RIO-M/S
R211 cable
RIO2
RIO1
RIO2
Recommended adaptive connector
(Enclosed with FCUA-DX)
Terminator (R-TM)
Front
Back
Bottom
RIO1
RIO2
DCIN
Connector : 1-178288-3 2pcs.
Contact : 1-175218-2(gold plate) 6 pcs.
(Tyco Electronics AMP)
RIO-M RIO-M
/
Bottom
RIO-M
RIO-M/S
1 TxRx
2 TxRx*
3 LG
Terminator
R-TM
(Tyco Electronics AMP)
X
X
R211 cable
X
R211 cable
X
R211 cable
X
X
X
RIO1
1 TxRx
2 TxRx*
3 LG
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.