Omron CS1W-CRM21 - Page 140

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Allocations to Slave Units Section 5-2
• Repeater Unit node addresses
The same address cannot be used twice for the same address type.
Example: IN1 cannot be used twice at the same time.
Example: A Contact I/O Unit uses both an IN and an OUT address.
Therefore IN/OUT1, cannot be used at the same time as OUT1 or IN1.
The same address can be used with different address types.
Example: IN1, OUT1, BIT IN1, and BIT OUT1 can be used at the same time.
Note The following table lists the destination addresses for sending messages to
Slave Units.
Node
address
type
Node name Node
address
name
Address
range
Applicable Slave Units Label
printed
on Unit
Color
Word node
address
Word
Slave
Unit
Contact
Input Unit
Input 0 to 63 Input Slave Units allocated 16, 8,
or 4 inputs per node address
WORD
NODE
ADR
Orange
Contact
Output Unit
Output 0 to 63 Output Slave Units allocated 16, 8,
or 4 outputs per node address
WORD
NODE
ADR
Ye l l o w
Contact I/O
Unit
I/O 0 to 63 I/O Slave Units allocated 16, 8, or
4 inputs/outputs per node address.
The same number is allocated for
input and output word node
addresses.
WORD
NODE
ADR
Orange
and yel-
low
Bit node
address
Bit Slave
Unit
Contact
Input Unit
Bit Input 0 to 127 Input Slave Units allocated 2
inputs per node address
BIT
NODE
ADR
Orange
Contact
Output Unit
Bit Output 0 to 127 Output Slave Units allocated 2 out-
puts per node address
BIT
NODE
ADR
Ye l l o w
Contact I/O
Unit
Bit I/O 0 to 127 I/O Slave Units allocated 2 outputs
per node address. The same num-
ber is allocated for input and out-
put word node addresses.
BIT
NODE
ADR
Orange
and yel-
low
Repeater
Unit node
address
Repeater Units Repeater
Unit node
0 to 63 Repeater Units RPT
NODE
ADR
Green
Slave Unit Allocated address Destination address for
message
I/O Slave Unit Input and output node
addresses
Input node address
Slave Unit with 16 or
more points
More than one node address,
i.e., the number of addresses
used would be the (total num-
ber of points ÷ 16) rounded up
to the nearest integer.
Node address set on the
rotary switch on the front of
the Master Unit (the lowest
address)
Other Slave Units Node address set on the
rotary switch on the front of
the Master Unit
Node address set on the
rotary switch on the front of
the Master Unit