
1.CONNECTING DeviceNet FUNCTIONS CONNECTION B-63404EN/03
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(3) When the power supply path is separated between two or more
power supplies:
(4) When two or more power supplies are provided to
simultaneously cover all of the nodes in between:
NOTE
If the current capacity flowing to the thick cable
exceeds 8A even if the position of the
communications power supply is changed, the power
supply conditions cannot be satisfied by one power
supply. So, use two or more power supplies.
When thick cable is used in the configuration in (1),
there will be no problems if the current capacities on
both sides of the trunk from the communications
power supply are both 8A or less. For this reason, a
configuration up to a maximum current capacity of
16A is possible.
If the current capacity flowing to the thin cable
exceeds 3A when thin cable is used for the trunk,
verify whether or not the conditions are satisfied by
changing to thick cable.
Node
Terminator
Node Node
Power supply tap
Terminator
NodeNode
Power supply tap
path 2Path 1
V+
V-
24V 0V
Fuse
Remove the fuse and separate V+.
Set V- common to
paths 1 and 2.
Communications
power supply
Communications
power supply
Terminator
Node Node Node
Terminator
NodeNode
Power supply tap
Power supply tap
Communications
power supply
Communications
power supply