YOKOGAWA YTA610 User Manual

<6. Maintenance>
6-5
IM 01C50G01-01EN
Table 6.3 Problems, Causes and Countermeasures (HART and FF)
Observed
Problems
Possible Cause Countermeasure
Related
Parameter
(HART)
Related Parameter
(FF)
Output uctuates
greatly.
Span is too narrow. Check the range, and change
the settings to make the span
larger.
PV LRV
PV URV
─
Input adjustment by user
was not corrctly done.
Clear the user adjustment
(Sensor trim) value or set it to
off.
reset
Sensor1(2) Trim
Sensor1 Trim
Sensor2 Trim
Output adjustment by
user was not correctly
done.
Clear the user adjustment
(output trim) value or set it to
off.
reset AO Trim ─
Transmitter
outputs xed
current.
The transmitter is in
manual (test output)
mode.
Release manual mode. (Make
the transmitter return to
Automatic Mode)
exec Loop Test
enable Dev Var
Sim
SIM_ENABLE_MSG
Output adjustment by
user was not correctly
done.
Clear the user adjustment
(output trim) value or set it to
off.
reset AO Trim ─
Output is
reversed.
(See note 1)
LRV is greater than URV. Set the correct value to URV
and LRV.
PV LRV
PV URV
─
Parameters
cannot be
changed.
The transmitter is in write
protect status.
Release write protect. Write Protect WRITE_LOCK
Sensor backup
function doesn’t
work correctly.
Conguration of Sensor1
and Sensor2 is not
correct.
• Check the type and wire
settings for Sensor1 and
Sensor2.
• Check the connection of
Sensor1 and Sensor2.
Sns1(2) Probe
Type
Sns1(2) Wire
SENSOR_TYPE_1(2)
SENSOR_
CONNECTION_1(2)
Sensor backup mode is
not enabled.
Change PV mapping “Sensor
Backup.”
PV is BACKUP_VALUE
Output damping
doesn’t work.
Damping time constant
is set to “0 second.”
Set correct value. AO Damping PV_FTIME
Note 1: If the reversed output is desired and necessary setting was done by user, it is not considered as a problem.
Table 6.4 Problems, Causes and Countermeasures (BRAIN)
Observed Problems Possible Cause
Related Parameter
(BRAIN)
Output uctuates greatly. Span is too narrow. E10:PV LRV
E11:PV URV
Input adjustment by user was not corrctly
done.
I16:S1 ADJ CLR
I26:S2 ADJ CLR
Output adjustment by user was not correctly
done.
I33:OUT ADJ CLR
Transmitter outputs xed current. The transmitter is in manual (test output)
mode.
F10:OUTPUT MODE
I30:OUTPUT
Output adjustment by user was not correctly
done.
I33:OUT ADJ CLR
Output is reversed.
(See note 1)
LRV is greater than URV. E10:PV LRV
E11:PV URV
Parameters cannot be changed. The transmitter is in write protect status. G40:WRT PROTECT
G41:WRT ENABLE
Sensor backup function doesn’t work
correctly.
Conguration of Sensor1 and Sensor2 is not
correct.
D10:SENSOR1 TYPE
D11:SENSOR1 WIRE
D30:SENSOR2 TYPE
D31:SENSOR2 WIRE
Sensor backup mode is not enabled. B10:PV is
Output damping doesn’t work. Damping time constant is set to “0 second.” E20:AO DAMP
Note 1: If the reversed output is desired and necessary setting was done by user, it is not considered as a problem.

YOKOGAWA YTA610 Specifications

General

Brand	YOKOGAWA
Model	YTA610
Category	Transmitter
Language	English