179
Environment-resistive Terminals (IP66)
Section 5-3
The following connectors with built-in terminating resistors are also available.
A Terminating Resistor can be connected to a T-branch Connector.
Note
1.
Standard thin DeviceNet cable is used for cables with shielded connectors,
so maximum current is 3 A.
2.
Multi-drop wiring cannot be used with shielded connectors. Use T-branch
wiring with DCN2-1 T-branch Connectors and cables that have shielded
connectors on both ends.
3.
The T-branch Connector’s communications power supply pin has a rated
current capacity of 3 A.
4.
A cable with a shielded connector (socket) on one end can be used to con-
nect to a regular DCN1-
@
C T-branch Tap. A cable with a shielded connec-
tor (socket) on one end can also be used to connect to the communications
power supply from a T-branch Connector.
5-2-1
Example System Assembly
Note
Tighten the connector by hand to a torque of 0.39 to 0.49 N
⋅
m. If the connec-
tor is not tightened sufficiently, it will not provide the expected environmental
resistance and may come loose from vibration. Do not use pliers or other tools
to tighten the connectors, because the tools may damage the connectors.
5-3
Environment-resistive Terminals (IP66)
5-3-1
Node Address and Baud Rate Settings
This section describes the node address settings and baud rate settings that
are common to all of the Environment-resistive Terminals. These settings are
made on separate switches, as shown in the following diagrams.
Model
Description
DRS2-1
Shielded Connector (male plug)
with Terminating Resistor
DRS2-2
Shielded Connector (female
socket) with Terminating Resistor
Communications
power supply
DCA1-5CN
@@
H1
Cable with shielded
connector on one end
DCA1-5CN
@@
W1 Cable
with shielded connectors
on both ends
DCN2-1 shielded
T-branch connector
DCA1-5CN
@@
F1
Cable with shielded
connector on one end
Terminating
resistor
installed
T-branch Tap (with
terminating resistor)
Male
Male
Male
Female
Male
Male
Male
Female
Female
Female
Male
Male
Female
Male
Female
Female
Female
Female
Power Supply Tap
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