YOKOGAWA FX106 User Manual

10-10 IM 04L20A01-01E
Measurement-Related Problems
In the following cases:
• The reading error is large.
• The trend or digital value fluctuates.
• The trend is off the scale on either the 0% or 100% side.
Does the input meet the
specifications?
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Change the range/span setting.
Change the input to meet the
specifications.
Is the input wiring correct?
• Attach the input terminal cover
properly.
• Protect the input terminal from
wind or fans.
Keep the temperature fluctuation
near the input terminal small.
Is the range/span
setting appropriate?
Are taking measures
against noise?
Is the environmental
temperature
kept constant?
• Move the input wire away from
the noise source.
• Ground the FX100.
• Ground the object being measured.
• Insulate the thermocouple and the
object being measured.
• Use shielded cables for input.
• Change the integral time of the
input A/D converter
(see section 4.1).
• Use the input filter/rolling average.
(See section 4.1.)
• Wire correctly (see section 2.3).
• Attach the terminal block correctly.
• Fasten the terminal screws correctly.
• Insulate the RTD from the ground.
• Replace burnt thermocouples.
Is the input wiring parallel
with other equipment?
NO
NO
YES
YES
Is the RJC setting correct
(TC input)?
• Stop using the burnout function of
other equipment.
• Ground the FX100 and other
equipment at one point.
• Disconnect parallel wiring.
(Use a double-element TC,
for instance.)
Set it correctly.
Contact your nearest
YOKOGAWA dealer.
See section 4.1.
See section 12.1.
See section 4.1.
10.2 Troubleshooting Flow Chart

YOKOGAWA FX106 Specifications

General

Brand	YOKOGAWA
Model	FX106
Category	Controller
Language	English