User`s manual

Watlow EZ-ZONE™ Communications • 41 • Chapter 4 DeviceNet
Setting DeviceNet Communication Parameters from the Front Panel
Valid DeviceNet node addresses range from 0 - 63 and there are three available baud rates for the user
to choose from: 125Kb, 250Kb, or 500Kb. The EZ-ZONE™ PM factory defaults are listed below:
Node address = 63, Baud rate = 125Kb
If the node address needs to be changed go to the control "Setup Page" following the steps below:
1. Push and hold the up and down arrow keys on the front panel for six seconds to go the the Setup Menu.
2. Push the up or down arrow key until [`CoM] (Communications Menu) appears in upper display and
[`SEt] in the lower display.
3. Push the green Advance Key ‰ to enter the Communications Menu [`CoM].
4. Push up arrow key to go to the Communications 2 Submenu. The upper display shows [2], and the lower
display shows [`CoM].
5. Push the Advance Key ‰ where the upper display will show 63 (default node address) and lower display
shows [Ad;d].
6. Push the down arrow to change the DeviceNet node address.
If the baud rate needs to be changed go to the control "Setup Page" following the steps below:
1. Push and hold the up and down arrow keys on the front panel for six seconds to go the the Setup Menu.
2. Push the up or down arrow key until [`CoM] (Communications Menu) appears in upper display and
[`SEt] in the lower display.
3. Push the green Advance Key ‰ to enter the Communications Menu [`CoM].
4. Push up arrow key to go to the Communications 2 Submenu. The upper display shows [2], and the lower
display shows [`CoM].
5. Push the Advance Key ‰ twice where the upper display will show 125 (default baud rate) and lower dis-
play shows [bAud].
6. Push the up or down arrow to change to the desired baud rate (125Kb, 250Kb, or 500Kb)
Once the above parameters have been changed cycle power on the DeviceNet network for the new param-
eters to take affect.
There are three prompts delivered to the user from the front panel of the PM that are related to Devi-
ceNet. Two of which are defined above, [bAud] (network baud rate or speed) and [Ad;d] (network node ad-
dress). There is one other which is identified and explained below:
[FC;E] (Quick Connect)
Quick Connect
The Quick Connect feature is an option enabled on a node-by-node basis. When enabled, a
device transitions to the OnLine state concurrently with sending the first Duplicate MACID
Request message. The device is still required to execute the network State Tranisition Diagram (STD)
(Used to describe object behavior), including going offline anytime a Duplicate MACID response message
is received.
Note:
Although this feature allows a device to begin participating in network activity faster, it is at the expense
of a delay in the duplicate node detection algorithm. It is left up to the user to guarantee that no nodes
exist with the same MAC ID and that no more than one Client device is configured to access the same
device using the Predefined Master/Slave Connection Set. Bus errors may occur if either of these condi-
tions exists. This feature is enabled within a device through a non-volatile attribute in the DeviceNet
object. A device shall have this feature disabled (attribute set to ‘0’) as the factory default If it is desired
to change this parameter from its default state of no to yes, go to the control "Setup Page" following the
steps below: