Appendix H. Foundation Fieldbus Communication
164
PanaFlow™ LC User’s Manual
H.13 Fieldbus Troubleshooting Guide
below for suggested solution to possible Fieldbus problems.
Table 42: XMT1000 FF Troubleshooting Guide
Problem
Presumed Cause
Remedy
Communication between DCS and
XMT1000 FF cannot be established
Wiring unconnected, broken or
shorted
Correct wiring between XMT1000
and spur device coupler.
The power is off or the power
supply voltage is less than 9 V
Supply proper voltage
The address detection range is not
correctly set in the DCS
Correct address detection range -
default address for XMT1000 is
0x17
Communication with the XMT1000
FF is frequently cut off.
The fieldbus is experiencing a large
amount of noise.
Using an oscilloscope or another
fieldbus health monitor to check
the waveform on the fieldbus.
Missing terminators on the bus,
incorrect terminator placement or
extra terminators.
Refer to FOUNDATION Fieldbus
specifications for a full discussion
of terminator requirements.
A value cannot be written to a
parameter in the XMT1000 FF.
Not in configuration mode.
Enter correct "Admin" password in
Resource block - verify "S1 -
configuration mode" appears on
XMT1000 UI
You have attempted to write a
value outside the valid range.
Check the setting range of
parameters.
The present mode does not allow
write access.
Change the target mode.
The jumper is in write protected
configuration.
Contact factory for write protect
jumper configuration
The actual mode of a function
block differs from the target mode.
Resource block in OOS.
Change the target mode of the
Resource Block to Auto.
Schedules that define when
function blocks execute are not set
correctly.
Set the schedules using a
configuration tool.
The transducer block is not in Auto
mode.
Change the target mode of the
transducer block to Auto.
A block's dynamic parameters do
not update.
XMT1000 is powered down
Verify the XMT1000 is powered on
and measuring properly
XMT1000 does not recognize the FF
PCB
Check Options menu on XMT1000
UI for Fieldbus option - if it appears
the meter knows it is present
Summary of Contents for Baker Hughes PanaFlow LC XMT1000
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