
55
Reference Manual
00809-0100-4697, Rev GA
Section 4: Operation and Maintenance
November 2014
Operation and Maintenance
4.3.3 Resetting the configuration (RESTART)
There are two types of restarts available in the Resource Block. The following section outlines
the usage for each of these. For further information, see RESTART in Table 3-2 on page 3-25.
Restart processor (cycling)
Performing a Restart Processor has the same effect as removing power from the device and
reapplying power.
Restart with defaults
Performing a Restart with Defaults resets the static parameters for all of the blocks to their initial
state. This is commonly used to change the configuration and/or control strategy of the device,
including any custom configurations done at the Rosemount factory.
4.4 Troubleshooting
4.4.1 FOUNDATION fieldbus
Symptom Possible cause Corrective action
Device does not show
up in the live list
Network configuration
parameters are incorrect
Set the network parameters of the LAS (host system) according to
the FF Communications Profile
ST: 8
MRD: 4
DLPDU PhLO: 4
MID: 7
TSC: 4 (1 ms)
T1: 96000 (3 seconds)
T2: 9600000 (300 seconds)
T3: 480000 (15 seconds)
Network address is not in
polled range
Set first Unpolled Node and Number of UnPolled Nodes so that the
device address is within range
Power to the device is
below the 9 VDC minimum
Increase the power to at least 9V
Noise on the power /
communication is too high
Verify terminators and power conditioners are within specification
Verify that the shield is properly terminated and not grounded at
both ends. It is best to ground the shield at the power conditioner
Device that is acting
as a LAS does not send
out CD
LAS Scheduler was not
downloaded to the Backup
LAS device
Ensure that all of the devices that are intended to be a Backup LAS
are marked to receive the LAS schedule
All devices go off live
list and then return
Live list must be
reconstructed by Backup
LAS device
Current link setting and configured links settings are different. Set
the current link setting equal to the configured settings.
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