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Operational Checklist Section 2-6
2-6 Operational Checklist
Category Item Check Result
Network configura-
tion and wiring
Connectors Are the connectors and cables to the Master connected cor-
rectly? (Do the wire colors match the colors next to the Mas-
ter’s DeviceNet connector?)
Ye s N o
Are the connectors and cables to the Slaves connected cor-
rectly? (Do the wire colors match the colors next to the Slaves’
DeviceNet connectors?)
Ye s N o
Are the connectors securely connected? Yes No
Is there a possibility that the cable connectors will be pulled
out because of the cable weight?
Ye s N o
If the connectors have attachment screws or mounting brack-
ets, are the screws/brackets tightened properly?
Ye s N o
Terminators Have Terminating Resistors been connected at both ends of
the trunk line?
Ye s N o
Are the specified Terminating Resistors being used? Yes No
If a T-branch Tap is being terminated, is the Terminating
Resistor seated properly in the T-branch Tap’s socket?
Ye s N o
Max. network
length
Is the length of the network within specifications? Yes No
Branch line
length
Are all branch lines 6 m or shorter? Yes No
Is the total branch line length within specifications? Yes No
Cables Can the cable supply the current required by all of the nodes
that are connected?
Ye s N o
Is the proper DeviceNet cable being used? Yes No
Are the cables separated from any power or high-voltage
lines?
Ye s N o
Have the cables been handled carefully, without excessive
force?
Ye s N o
Shield wire
ground
Is the network be grounded in only one location? Yes No
Is a separate ground line used? (Is the ground line separated
from any power line ground?)
Ye s N o
Other Are there any devices in the network that are not DeviceNet
products?
Ye s N o
Devices supplied by
communications
power supply
Power supply
capacity
Has the power supply requirement been calculated using
each node's current consumption?
Ye s N o
Can the power supply handle the inrush current when the sys-
tem is started?
Ye s N o
Isolation Is the DC output isolated from the AC input in the power sup-
ply?
Ye s N o
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