85
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?)
Yes
No
Are the connectors and cables to the Slaves connected cor-
rectly? (Do the wire colors match the colors next to the Slaves’
DeviceNet connectors?)
Yes
No
Are the connectors securely connected?
Yes
No
Is there a possibility that the cable connectors will be pulled
out because of the cable weight?
Yes
No
If the connectors have attachment screws or mounting brack-
ets, are the screws/brackets tightened properly?
Yes
No
Terminators
Have Terminating Resistors been connected at both ends of
the trunk line?
Yes
No
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?
Yes
No
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?
Yes
No
Is the proper DeviceNet cable being used?
Yes
No
Are the cables separated from any power or high-voltage
lines?
Yes
No
Have the cables been handled carefully, without excessive
force?
Yes
No
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?)
Yes
No
Other
Are there any devices in the network that are not DeviceNet
products?
Yes
No
Devices supplied by
communications
power supply
Power supply
capacity
Has the power supply requirement been calculated using
each node's current consumption?
Yes
No
Can the power supply handle the inrush current when the sys-
tem is started?
Yes
No
Isolation
Is the DC output isolated from the AC input in the power sup-
ply?
Yes
No
Summary of Contents for DEVICENET -
Page 1: ...DeviceNet Cat No W267 E1 11 OPERATION MANUAL...
Page 2: ...DeviceNet Operation Manual Revised April 2008...
Page 3: ...iv...
Page 5: ...vi...
Page 7: ...viii...
Page 9: ...x...
Page 13: ...xiv...
Page 41: ...20 Basic Operating Procedures Section 1 4...
Page 107: ...86 Operational Checklist Section 2 6...
Page 123: ...102 Step 3 Splitting the System into Multiple Power Supplies Section 3 6...
Page 161: ...140 Index...