IM 05D01D12-02E (1)
This manual describes examples of setting PV input types, control output types, and alarm types. Carrying out settings
described herein allows you to perform basic control. Refer to examples of various settings to understand how to set param-
eters required. Refer to “1. Parameter Map” in
Parameters User’s Manual
for an easy to understand explanation of
setting various parameters. If you cannot remember how to carry out an operation during setting, press the
SET/ENT
key for
more than 3 seconds. This brings you to the display (operating display) that appears at power-on.
Contents
1. Names and Functions of Front Panel Parts
2. Setting PV Input Type (Setting First at Power-on)
3. Changing PV Input Type
4. Setting Control Output Type
5. Changing Alarm Type
6. Description of Multiple Setpoints and PID
1. Names and Functions of Front Panel Parts
Name of Part
Function
7.
A/M key
Used to switch between the AUTO and MAN modes. Each time you press the key, it switches to
the AUTO or MAN mode alternately.
8.
SET/ENT
key
SET/ENT
Used to switch or register a parameter. Pressing the key for more than 3 seconds allows you to switch
between the operating display and the menu for operating parameter setting display alternately.
9.
Used to change numerical values. On setting displays for various parameters, you can change
target setpoints, parameters, and output values (in manual operation). Pressing the key
decreases a numerical value, while pressing the key causes it to increase. You can hold
down a key to gradually increase the speed of change.
A/M
and
keys
1.
Process variable (PV)
display
Displays PV.
Displays a parameter symbol when you set a parameter.
Displays an error code (in red) if an error occurs.
2. Setpoint display
Displays the setpoint (SP) or the output value (OUT) during operation.
Displays the set value of parameters on the parameter setting display.
3.
Target setpoint (SP)
number indicator lamps
When the SP number currently used for operation is 2, 3 or 4, the respective SP No. indicator lamp lighits.
When the SP number is 1, the lamp does not lighit.
4. Status indicator lamp
Is lit in green during manual operation. MAN: Is lit when in manual mode.
Blinks during auto-tuning
5. Alarm indicator lamps
If any of alarms 1 to 3 occurs, the respective alarm indicator lamp (AL1 to AL3) is lit (in orange).
6. Light-loader interface
Interface for an adapter cable used when setting and storing parameters from a PC.
This requires an optional parameter setting tool.
1. Process
variable (PV)
display
2. Setpoint
display
5. Alarm
indicator
lamps
4. Status
indicator
lamp
6. Light-loader
interface
7. A/M key
8. SET/ENT key
3. Target setpoint
(SP) number
indicator lamps
UT351 UT321
9. and keys
5. Alarm indicator
lamps
4. Status
indicator lamp
6. Light-loader
interface
7. A/M key
8. SET/ENT
key
1. Process
variable (PV)
display
2. Setpoint
display
3. Target setpoint
(SP) number
indicator lamps
9. and keys
IMPORTANT
The controller automatically returns to the display at the time of power-on (i.e., operating display) if no key is
operated for at least one minute.
Although only figures of the UT351 front panel are cited in “2. Setting PV Input Type (Setting First at Power-on),” and
thereafter, the UT321 is identical to the UT351 in terms of front panel operation.
■ Setting of Main Parameters at the Factory before Shipment
Factory-set defaults
for standard type
controllers
Factory-set defaults
for heating/cooling type controllers
Control output
Control action Reverse action (variable) Not specified
PID parameter P = 5.0%, I = 240 seconds, D = 60 seconds.
Alarm output
Item
Alarm-1: PV high limit, Alarm-2: PV low limit, Alarm-3: PV high limit
Time proportional PID
relay output (variable)
Heating side: Time proportional PID relay output (variable)
Cooling side: Time proportional PID relay output (variable)
2. Setting PV Input Type (Setting First at Power-on)
NOTE
• The controller displays the operating display when the power is
turned on. However, if PV input type has not been set, “IN”
appears. In this case, first use the key to display the input
range code to use, then press the
SET/ENT
key to register it. Then,
set the maximum value (RH) and minimum value (RL) of the
PV input range (for voltage input, set the maximum value (SH)
and minimum value (SL) of the PV input scale).
• The controller is configured to the initial value of each param-
eter at the factory before shipment.
First check the initial values shown in “2. Lists of Parameters,” in
Parameters User’s Manual
and change
parameter values as necessary.
Minimum value of
PV input range (RL)
Instrument
input range
-200°C 1370°C
0°C 800°C
Maximum value of
PV input range (RH)
Minimum value of
PV input scale (SL)
1V 5V (input signal)
0.0m
3
/h 50.0m
3
/h
Maximum value of
PV input scale (SH)
2V 4V
RL
RH
Parameters to be set for temperature input
1. PV input type (IN): Set according to a sensor
2. Maximum value of PV input range (RH): Set the
maximum value of the range to be controlled.
3. Minimum value of PV input range (RL): Set the
minimum value of the range to be controlled.
Parameters to be set for voltage input
1. PV input type (IN): Set according to an input signal
2. Maximum value of PV input range (RH): Set the maximum value of an input signal.
3. Minimum value of PV input range (RL): Set the minimum value of an input signal.
4. Position of PV input decimal point (SDP): Set the position of the decimal point for PV input display.
5. Maximum value of PV input scale (SH): Set the maximum value of the scale to be controlled.
6. Minimum value of PV input scale (SL): Set the minimum value of the scale to be controlled.
Set a range
to be
controlled
Set a range to
be controlled
PV input range
PV input range
PV input scale
Instrument
input range
Example of Temperature Input Example of Voltage Input
The following operating procedure describes an example of setting the controller to a K-type thermocouple (-199.9°C to
500.0°C) and the measurement range of 0.0°C to 200.0°C.
1.
Display screen at power-on
The parameter “IN” for setting the PV input type
appears.
2.
3.
7.
4.
8.
9.
11.
10.
Press the or key to display the required
setpoint. The figure below is an example of the
controller set to a K-type thermocouple (-199.9⬚C to
500.0⬚C). See “Instrument Input Range Codes.”
Press the key once to register the setpoint.
Press the key once to display the parameter
“RL” (minimum value of PV input range).
To set the type of control output, see steps 7 and later in
“
4. Setting Control Output Type.
” To finish settings, press
the
key for more than 3 seconds. This returns you
to the display shown at power-on (figure below).
The PV display in the figure above shows the error code
for input burnout ( ) if PV input wiring is not yet
complete. The error code disappears when you wire the
PV input terminals correctly.
Press the key once to register the reqired
setpoint.
Press the key once to display the parameter
“UNIT” (PV Input Unit).
Press the or key to display the required
setpoint. The figure below shows an example of
setting the minimum value of PV input range to
0.0
⬚
C.
Press the key once to register the setpoint.
5.
Press the key once to display the parameter
“RH” (maximum value of PV input range).
6.
Press the or key to display the required
setpoint. The figure below shows an example of
setting the maximum value of PV input range to
200.0
⬚
C.
If the type of input is
voltage, also configure
the PV Input Decimal
Point Position (SDP),
Maximim Value of PV
Input Scale (SH) and
Minimum Value of PV
Input Scale (SL) that
follow this step.
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
SET/ENT
SET/ENT
SET/ENT
SET/ENT
SET/ENT
SET/ENT
SET/ENT
Displays
parameter “IN”.
Blinks during
change.
Displays
parameter
“UNIT”.
Displays
parameter
“RH”.
Blinks during
change.
Displays
parameter
“RL”.
Blinks during
change.
Displays PV.
■ Instrument Input Range Codes
Input Type
Instrument Input
Range Code
Instrument
Input Range
Measurement Accuracy
OFF
1
-200 to 1370⬚C
-300 to 2500⬚F
Set the data item PV Input Type "IN" to the OFF option to leave the PV input
type undefined.
2
-199.9 to 999.9⬚C
0 to 2300⬚F
K
-199.9 to 500.0⬚C
-199.9 to 999.9⬚F
J4
-199.9 to 999.9⬚C
-300 to 2300⬚F
5
-199.9 to 400.0⬚C
T
6
0.0 to 400.0⬚C
-300 to 750⬚F
-199.9 to 750.0⬚F
⫾0.1% of instrument range ⫾1 digit for temperatures
equal to or higher than 0
⬚
C
⫾0.2% of instrument range ⫾1 digit for temperatures
below 0
⬚
C
⫾0.1% of instrument range ⫾1 digit for temperatures
equal to or higher than 0
⬚
C
⫾0.2% of instrument range ⫾1 digit for temperatures
below 0
⬚
C
B7
⫾0.15% of instrument range ⫾1 digit for temperatures
equal to or higher than 400
⬚
C
⫾5% of instrument range ⫾1 digit for temperatures
below 400
⬚
C
S8
0 to 1700⬚C
R9
0 to 1700⬚C
32 to 3100⬚F
32 to 3100⬚F
⫾0.15% of instrument range ⫾1 digit
N10
-200 to 1300⬚C
⫾0.1% of instrument range ⫾1 digit
⫾0.25% of instrument range ⫾1 digit for temperatures
below 0
⬚
C
E11
-199.9 to 999.9⬚C
L(DIN) 12
-199.9 to 900.0⬚C
-199.9 to 400.0⬚C
13
U(DIN)
14
0.0 to 400.0⬚C
W15
0 to 2300⬚C
⫾0.2% of instrument range ⫾1 digit
Platinel 2 16
0 to 1390⬚C
⫾0.1% of instrument range ⫾1 digit
PR20-40 17
0 to 1900⬚C
⫾0.5% of instrument range ⫾1 digit for temperatures
equal to or higher than 800
⬚
C
No guarantee of accuracy for temperatures below 800
⬚
C
Thermocouple
Unspecified
W97Re3-
W75Re25
18
0 to 2000⬚C
⫾0.2% of instrument range ⫾1 digit
30
-199.9 to 500.0⬚C
⫾0.1% of instrument range ⫾1 digit (Note1) (Note2)
JPt100
31
-150.0 to 150.0⬚C
⫾0.2% of instrument range ⫾1 digit (Note1)
35
-199.9 to 850.0⬚C
36
-199.9 to 500.0⬚C
-300 to 2400⬚F
-300 to 1800⬚F
-300 to 1300⬚F
-300 to 750⬚F
-199.9 to 750.0⬚F
32 to 4200⬚F
32 to 2500⬚F
32 to 3400⬚F
32 to 3600⬚F
-199.9 to 999.9⬚F
-199.9 to 300.0⬚F
-300 to 1560⬚F
-199.9 to 999.9⬚F
⫾0.1% of instrument range ⫾1 digit (Note1) (Note2)
RTD
Pt100
37
-150.0 to 150.0⬚C
-199.9 to 300.0⬚F
⫾0.2% of instrument range ⫾1 digit (Note1)
0.4 to 2 V 40
Standard
signal
1 to 5 V 41
0 to 2 V 50
0 to 10 V 51
0.400 to 2.000 V
1.000 to 5.000 V
0.000 to 2.000 V
0.00 to 10.00 V
-10 to 20 mV
55 -10.00 to 20.00 mV
DC voltage
0 to 100 mV
56 0.0 to 100.0 mV
⫾0.1% of instrument range ⫾1 digit
The read-out range can be scaled between -1999 and
9999.
3
0 to 1800⬚C
32 to 3300⬚F
Select the unit from the UNIT parameter.
* Performance in the standard operationg condition (at 23⫾2⬚C, 55⫾10%RH, and 50/60Hz power frequency)
Note1: The accuracy is ⫾0.3⬚C of instrument range ⫾1 digit for a temperature range from 0⬚C to 100⬚C.
Note2: The accuracy is ⫾0.5⬚C of instrument range ⫾1 digit for a temperature ranges from -100⬚C to 0⬚C and 100⬚C to 200⬚C.
* To receive a 4-20 mA DC signal, select a standard signal of 1 to 5 V DC and connect it to a 250⍀ resistor. This resistor is optional.
Model: X010-250-2 (resistor with M3.5 crimp-on terminal lugs)
PV input terminal
Thermocouple/mV/V input
..............................
RTD input .................................................. - -
131211
-
1312
The controller may automatically initialize the registered operating parameter setpoints if any change is made to the
data item PV Input Type (IN), Maximum Value of PV Input Range (RH), Minimum Value of PV Input Range (RL),
PV Input Decimal Point Position (SDP), Maximum Value of PV Input Scale (SH) or Minimum Value of PV Input
Scale (SL). After a change has been made to any of these data items, be sure to verify the registered operating
parameter setpoints to ensure that they are correct. If any data item has been changed to its default, set it to a
required value.
3. Changing PV Input Type
The following operating procedure describes an example of changing
the K-type thermocouple (-199.9°C to 500.0°C) to a Pt100 resistance
temerature detector (-199.9°C to 500.0°C) and setting the measure-
ment range of 0.0°C to 200.0°C.
Press the key once to display the menu
“STUP”.
3.
Press the key once to display the menu “I/O”.
Press the key once to display the parameter
“IN” (PV input type).
Press the key once to register the setpoint.
Press the or key to display the required
setpoint. The figure below is an example of the
controller set to a Pt100 resistance temperature
detector (-199.9°C to 500.0°C).
6.
7.
4.
5.
8.
9.
Press the key once to display the parameter
“UNIT” (PV input unit).
10.
Press the key once to display the parameter
“RH” (maximum value of PV input range).
Press the or key to display the required
setpoint. The figure below shows an example of
setting the maximum value of PV input range to
200.0°C.
11.
12.
Bring the operating display into view (display
appears at power on).
Press the key for more than 3 seconds to
call up the menu “OP.PA”.
1.
2.
Press the key once to display the parameter
“PWD”.
Press the key once to display the menu
“FUNC”.
Press the key once to register the setpoint.
13.
Press the key once to display the parameter
“RL” (minimum value of PV input range).
Press the or key to display the required
setpoint. The figure below shows an example of
setting the minimum value of PV input range to
0.0°C.
Press the key once to register the setpoint.
Press the key for more than 3 seconds.
This returns you to the display shown at power-on
(figure below).
14.
15.
16.
17.
* If the type of input is voltage, also configure
the PV Input Decimal Point Position (SDP),
Maximim Value of PV Input Scale (SH) and
Minimum Value of PV Input Scale (SL) that are
displayed after parameter RL.
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
SET/ENT
SET/ENT SET/ENT
SET/ENT SET/ENT
SET/ENT
SET/ENT
SET/ENT
SET/ENT
SET/ENT
SET/ENT
Displays
menu
“
FUNC
”
.
Displays
menu “OP.PA”.
Displays menu
“STUP”.
Displays
menu “I/O”.
Displays
parameter “IN”.
Blinks during
change.
Displays
parameter
“UNIT”.
Displays
parameter
“RH”.
Blinks during
change.
Displays
PV.
Displays
parameter
“RL”.
Blinks during
change.
Displays
PV.
Displays target
setpoint
Displays target
setpoint
4. Setting Control Output Type
The following operating procedure describes an ex-
ample of changing time proportional PID relay out-
put (0: factory-set default) to current output (2).
Bring the operating display into view (display
appears at power on).
Press the key for more than 3 seconds to call
up the menu “OP.PA”.
1.
2.
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
SET/ENT
Displays
menu “OP.PA”.
Displays
PV.
Displays target
setpoint
Press the key once to display the menu
“STUP”.
3.
Press the key once to display the menu “I/O”.
6.
4.
5.
Press the key once to display the parameter
“PWD”.
Press the key once to display the menu
“FUNC”.
Press the key for more than 3 seconds.
This returns you to the display shown at power-on
(figure below).
10.
Press the key several times to display the
parameter “OT” (control output type).
7.
Press the key once to register the setpoint.
9.
Press the or key to display the required
setpoint. The figure below shows an example of
setting to current output (4 to 20 mA DC).
8.
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
SET/ENT
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
SET/ENT
SET/ENT
SET/ENT
Displays
menu
“
FUNC
”
.
Displays menu
“STUP”.
Displays
menu “I/O”.
Displays
PV.
Blinks during
change.
Displays
parameter
“OT”.
Displays target
setpoint
5. Changing Alarm Type
The following operating procedure describes an example of chang-
ing alarm-1 (factory-set default: PV high limit alarm) to PV low
limit alarm.
When you have changed alarm type, the alarm setpoint will be ini-
tialized; set the alarm setpoint again.
1.
Bring the operating display into view (appears at
power-on).
2.
Press the key for more than 3 seconds to
call up the menu “OP.PA”.
3.
Press the key once to display the menu
“STUP”.
4.
Press the key once to display the
parameter “PWD”.
5.
Press the key once to display the menu
“FUNC”.
6.
Press the key several times to display the
parameter “AL1” (alarm-1 type).
9.
Press the key for more than 3 seconds.
This returns you to the display shown at power-on
(figure below).
10.
7.
Press the or key to display the required
setpoint. The figure below shows an example of
setting PV low limit alarm.
8.
Press the key once to register the setpoint.
When setting an alarm setpoint, see “
4. Setting
Alarm Setpoints
” in
Operations User’s Manual
.
You can take the same
steps for alarm-2 type
(AL2), and alarm-3 type
(AL3) that are displayed
after this.
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
SET/ENT
SET/ENT
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL1 2 3
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
SET/ENT
SET/ENT
SET/ENT
Displays
PV.
Displays menu
“OP.PA”.
Display menu
“STUP”.
Displays menu
“
FUNC
”
.
Blinks during
change.
Displays
parameter
“AL1”.
Displays target
setpoint
Displays
PV.
Displays target
setpoint
6. Description of Multiple Setpoints and PID
The UT351/UT321 controllers have a maximum of four target setpoint (SP) parameters and has PID for each of these
setpoints. The following shows the correspondence between the target setpoint numbers (SP.NO), target setpoints (SP), and
PID parameters.
For example, if you have set “2” to the target setpoint number (SP.NO), the control parameters available are target setpoint
(2.SP), proportional band (heating-side proportional band) (2.P), integral time (heating-side integral time) (2.I), derivative
time (heating-side derivative time) (2.D), cooling-side proportional band (2.Pc), cooling-side integral time (2.Ic), and cool-
ing-side derivative time (2.Dc).
To use multiple target setpoints, see the table below to check the corresponding parameters.
PID parameter
Target setpoint
number
(SP.NO)
Target
setpoint
(SP)
Proportional
band
(heating-side
proportional band)
Integral time
(heating-side
integral time)
Derivative time
(heating-side
derivative time)
Cooling-side
proportional
band
Cooling-side
integral time
Cooling-side
derivative time
SP.NO=2 2.SP 2.P 2.I 2.D 2.Pc 2.Ic 2.Dc
SP.NO=3 3.SP 3.P 3.I 3.D 3.Pc 3.Ic 3.Dc
SP.NO=4 4.SP 4.P 4.I 4.D 4.Pc 4.Ic 4.Dc
SP.NO=1 1.SP 1.P 1.I 1.D 1.Pc 1.Ic 1.Dc
SET/ENT
If the display is as shown on the left,
press the key to show the
range code for the PV input type you
use. Then, register the range code
setting by pressing the key.
NOTE
PV
MAN
A/M
SP
AL123
SP
234
SET/ENT
Control output terminal
Values in parentheses are setpoints
Time proportional PID relay (0)/on-off(3) output
...........................
Current (2)/time proportional PID voltage pulse (1) output
......................
--
1 2 3
-
16
17
For details on the heating/cooling control output terminals, see
“
6. Terminal Wiring Diagrams
” in
Installation User’s Manual
.
Alarm output terminals Factory-set defaults
Alarm-1 (terminal numbers ).......PV input high limit alarm
Alarm-2 (terminal numbers ).......PV input low limit alarm
Alarm-3 (terminal numbers ).......PV input high limit alarm
-
6 7
-
5 7
-
4 7
For details see “List of Alarm Types” in
Parameters
User’s Manual
User’s
Manual
Models UT351 / UT321
Digital Indicating Controllers
with Active Color PV Display
User’s Manual Initial Settings
IM 05D01D12-02E
3rd Edition: Apr. 1, 2003
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