DCN1-2C Omron, DCN1-2C Datasheet - Page 60

• Manufacturer Part Number: DCN1-2C
• Description: DEVICENET T-TAP 1 DROP
• Manufacturer: Omron

Specifications of DCN1-2C

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: DCN12C

Proper Distance between
Wiring Duct and Node
Considerations in
Choosing Special Thin/
Thick Cable or Special Flat
Cable
2-2-4
Network Configuration
Determining the Location of the Master
Note Do not strip too much insulation and shielding from the cable. Removing too
Allow about 10 cm between the wiring duct and nodes so that the nodes can
be wired without straining the connectors. Communications errors may occur
if there isn’t enough slack in the cable and the connectors are pulled out.
much shielding will provide a path for noise to enter the network.
Using Special Flat Cable makes it easy to extend a branch cable using one-
touch connectors, but Special Flat Cable cannot be combined with a trunk line
consisting of Special Thin/Thick Cable. There are differences between Spe-
cial Thin/Thick Cable and Special Flat Cable in terms of maximum network
length, branch line length, and current capacity. For detailed specifications,
refer to 2-2-2 Trunk Lines and Branch Lines.
It is not necessary to locate the Master at the end of the network. The Master
can be located at any node position on the trunk line or a branch line.
Configure the network as desired, since there is no restriction on the Master’s
location.
Sub-panel
Flat cable
Thick cable
Thin cable
Trunk line
Incorrect
Branch
lines
Node
Too close
Duct
Thick cable
Thin cable
Flat cable
Flat cable
Flat cable
Branch line
Main control panel
Correct
Node
Sub-panel
PLC Master
Connect to T-branch Tap.
Connect using T-branch Connector
(DCN4-TR4-1 + DCN4-BR4D).
Connect using T-branch Connector
(DCN4-TR4-1 + DCN4-BR4).
Connect to T-branch Tap.
Connect to T-branch Tap.
Branch
lines
Allow about 10 cm.
Duct
Application
Sub-panel
Branch
line
Trunk line
Branch line
T-branch Tap
Section 2-2
39