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User's
Models UM350 / UM330
Digital Indicator with Alarms
Manual
User's Manual
Operations
IM 05F01D02-02E
4th Edition: Jan 31, 2005
This manual describes key entries for operating the indicator. If you cannot remember how to carry out an operation during
setting, press the
key for more than 3 seconds. This brings you to the display (operating display) that appears at
SET/ENT
power-on.
Contents
1.
Setting Alarm Setpoints
2.
Troubleshooting
NOTE
Do not use the instrument generating strong magnetic field such as radio equipment and the like near the indicator.
This may cause the fluctuation of the PV value.
1. Setting Alarm Setpoints
The following operating procedure describes an example of setting
Alarm output terminals
a value of 160.0 in the alarm-1 setpoint parameter. Before setting
Alarm-1 (terminal numbers
-
)............PV high limit alarm
6
7
Alarm-2 (terminal numbers
5
-
7
)............PV low limit alarm
the alarm setpoint, check the alarm type. To change the alarm type,
Alarm-3 (terminal numbers
4
-
7
)............PV high limit alarm
see "4. Changing Alarm Type" in
Initial Settings User's
Alarm-4 (terminal numbers
1
- -
2
3
Manual
.
Press the
or
key to display the required
1.
Bring the operating display into view (display
4.
appears at power on).
setpoint.
Displays PV.
PV
PV
AL1
2
3
4
AL1
2
3
4
SET/ENT
SET/ENT
Press the
key for more than 3 seconds to call
2.
SET/ENT
5.
Press the
SET/ENT
key once to register the setpoint.
up the menu "OP.PA".
Displays menu
PV
PV
"OP.PA".
AL1
2
3
4
AL1
2
3
4
SET/ENT
SET/ENT
You can take the same steps for alarm-2 setpoint
(A2), alarm-3 setpoint (A3), and alarm-4 setpoint
(A4) that are displayed after this.
Press the
key once to display the parameter
3.
SET/ENT
6.
Press the
SET/ENT
key for more than 3 seconds.
"A1".
This returns you to the display shown at power-on
(figure below).
Displays
parameter
PV
PV
"A1".
AL1
2
3
4
AL1
2
3
4
SET/ENT
SET/ENT
2. Troubleshooting
Troubleshooting Flow
If the operating display does not appear after turning on the indicator's power, try to solve the problem by following the
procedure below. If the problem seems to be complex, contact the vendor from which you purchased the instrument.
Is the instrument
defective?
Yes
No
Is key
No
No
Totally
Is display
operation
inoperable?
faulty?
faulty?
Yes
Yes
Yes
Check wiring on the
Check the key lock
Turn off power, and
power supply
setting.
then turn it on
terminals.
again.
Check the supply
voltage.
No
Normal?
No
Is
key lock
enabled?
Yes
Correct
errors.
No
Correct?
Yes
Yes
Disable
key lock.
Ask the vendor for repair.
Find the cause.
IMPORTANT
Factory-set defaults
Take note of the parameter settings when asking the vendor for repair.
).......PV low limit alarm
Errors at Power On
The following table shows errors that may be detected by the fault diagnosis function when the power is turned on.
Error indication
Description
Control
Alarm
PV
(on PV display unit)
of error
output
output
(E000)
Faulty RAM
None
0% or less
(E001)
Faulty ROM
OFF
or OFF
Blinks during
change.
(E002)
System data error
0%
Normal action
Normal action
Normal action
Faulty calibration
PV decimal point blinks.
(out of
(out of
(out of
value
accuracy)
accuracy)
accuracy)
(E400)
Parameter error
0%
Preset value OFF
Possible Errors during Operation
The following shows possible errors occurring during operations.
Error indication
Description
PV
Control
Alarm
(on PV display
of error
output
output
unit)
Displays "RJC"
RJC error
Measured with RJC=OFF
Normal
Normal
and PV
action
action
alternately
Displays PV.
PV value blinks.
EEPROM
Normal
Normal
Normal action
error
action
action
(E300)
A/DC error
105%
Preset
Normal
value
action
(B.OUT)
PV burnout
Dependent on the BSL
Preset
Normal
error
parameter Up-scale: 105%
value
action
Down-scale: -5%
(OVER) or
Excessive PV
-5% or 105%
Normal
Normal
(-OVER)
Out of -5 to
action
action
105%
SP decimal pont
Faulty
Normal action
Normal
Normal
blinks (on
communi-
action
action
setpoint display
cation line
unit).
All indications off
Runaway (due
None
0% or less
OFF
to defective
or OFF
power or
noise)
All indications off
Power off
None
0%
OFF
If a Power Failure Occurs during Operation
Momentary power failures shorter than 20 ms
The indicator is not affected at all and continues normal operation.
Momentary power failures of 20 ms or longer
• The alarm function of the indicator continues to work normally. (Alarms with the stand-by feature temporarily return to
their stand-by state, however.)
• Setting parameters that have already been configured retain their settings.
Is
No
Is I/O
communication
signal faulty?
link faulty?
Yes
Yes
Check the
Check the
instrument's I/O
instrument's suffix
specifications.
code.
No
Check the specifications
Does the code
of I/O counterpart for
include a communication
wrong polarity.
option?
Check the
No communication
communication-related
capability.
parameters.
Check
communication wiring.
Check the specifications
of communication
counterpart.
Retransmission
Communi-
Remedy
output
cation
0% or less
Stopped
Faulty
0%
Contact us
for repair.
Normal action
(out of
Normal
action
accuracy)
Check and set
the parameters,
0%
as they have
been set to the
limited values.
Retransmis-
Commu-
Remedy
sion output
nication
Normal
Normal
Faulty
action
action
Contact us for repair.
Normal
Normal
Faulty
action
action
Contact us for repair.
Normal
Normal
action
action
Normal
Normal
Check wires and
action
action
sensor.
Normal
Normal
Check process.
action
action
Normal
Normal
Check wires and
action
action
communication parameters,
and make resetting.
Recovery at normal receipt
0% or
Stopped
Faulty if power off/on does
less
not reset start the unit.
Contact us for repair.
0%
Stopped
Check for abnormal power.
IM 05F01D02-02E (2)
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