DCN1-2R Omron, DCN1-2R Datasheet - Page 53
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DCN1-2R
Manufacturer Part Number
DCN1-2R
Description
DEVICENET T-TAP 1 DROP VERT
Manufacturer
Omron
Datasheet
1.XW4B-05C4-TF-D.pdf
(166 pages)
Specifications of DCN1-2R
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
DCN12R
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Network Configuration
Terminating Resistors
(Terminators)
Ground
2-2
2-2-1
Cable Requirements
32
Trunk
line
Connecting to a T-branch
Trunk
line
Tap or Power Supply Tap
(See note 1.)
Network Configuration
Compatible Cables
T-branch
Tap
Terminating
Resistor
T-branch
Tap
Terminating
Resistor
Note
Node
Connecting to a
DRS1-1 Terminal-block
Terminating Resistor
Terminal Block
Use the methods shown below to connect the Terminating Resistors to the
trunk line. Refer to 2-4-8 Connecting the Terminating Resistors (Terminators)
for wiring details.
1. Connect a Terminating Resistor to the Tap when there is a T-branch Tap or
2. The Terminal-block Terminating Resistor method can be used when a
3. Use this method when there is an Environment-resistive Slave at the end
4. Use this method when using Flat Cable.
Use any one of the methods shown below to ground the network by connect-
ing the cable’s shielding to an acceptable ground (100 Ω or less.) Ground the
network at one point only.
Refer to 2-4-9 Grounding the Network for wiring details.
Always use DeviceNet cables that meet all DeviceNet specifications. The Net-
work may not operate properly if other cable is used.
Refer to the home page of the ODVA for information on DeviceNet cables
other than the ones listed above.
(See note 2.)
Thick Cable
Thin Cable
Flat Cable
Trunk
line
Trunk
line
Grounding a Power
Power Supply Tap at the end of the trunk line.
node is connected at the end of the trunk line with the multi-drop connec-
tion method.
of the trunk line.
Cable type
Supply Tap
S
V−
S
V−
V+
Trunk
line
DCA2-5C10
DCA1-5C10
DCA4-4F10
−
+
−
+
T-branch Connector
24 VDC
24 VDC
OMRON model number
Connecting to a
Shielded
T-branch
Connector
(See note 3.)
Branch
line
of a T-branch Tap or Node
Grounding a Connector
Connector
with
terminator
(DRS2-1,
DRS2-2, or
DRS3-1)
Node
T-branch
Tap
Resistor to a Flat Connector
Connecting a Terminating
Flat Connector
Socket
(DCN4-TR4-1)
Trunk
line
Socket (See note 4.)
T-branch Tap Connector
Grounding an Unused
Open connector
Section 2-2
Terminating
Resistor
(DCN4-TM4)