Fuji Electric Model: PXR4 User manual

– 1 –
Thank you for your purchasing "Fuji Digital Temperature Controller."Please check that the product is exactly the
one you ordered and use it according to the following instructions. (Please refer to a separate operation manual
for details.) Dealers are cordially requested to ensure the delivery of this Instruction Manual to hands of the end-
users.
NOTICE The contents of this document may be changed in the future without prior notice.
We paid the utmost care for the accuracy of the contents. However, we are not liable for direct and
indirect damages resulting from incorrect descriptions, omission of information, and use of informa-
tion in this document.
Read before using................................................ 3
Index ................................................................ 7
1. Installation/mounting ...................................... 8
2. Wiring............................................................. 9
3. Usage............................................................. 10
4. Display and operation .................................... 11
5. Setting methods of temperature and
paramenters............................................ 12
1st block parameter........................................ 12
2nd block parameter ...................................... 13
3rd block parameter ....................................... 14
6. Function ......................................................... 15
6-1 ON/OFF control ...................................... 15
6-2 Auto-tuning (AT) ...................................... 16
6-3 Self-tuning............................................... 17
6-4 Alarm function [option] ............................ 19
6-5 Ramp/soak function [option] ................... 21
6-6 Communication function [option]............. 22
6-7 Digital input (DI function) [option]............ 23
6-8 Other functions ....................................... 24
7. Setting of input type and control algorithm..... 25
8. Error indications ............................................. 27
[Table1] Input type code ....................................... 28
[Table2] Control output action code...................... 28
[Table3] Input range (Standard range) ................. 29
[Table4] Alarm action type code ........................... 30
PXR Model Code Configuration ........................... 31
Specification......................................................... 32
CONENTS
Instruction Manual
Micro-controller X
Model: PXR4 INP-TN1PXRa-E
Fuji Electric Co., Ltd.
Head Office
11-2, Osaki 1-chome, Shinagawa-ku, Tokyo, 141-0032 Japan
http://www.fujielectric.co.jp
Fuji Electric Instruments Co., Ltd.
Sales Div. International Sales Dept.
No.1, Fuji-machi, Hino-city, Tokyo, 191-8502 Japan
Phone : [phone],6202
Fax : [phone],6189
http://www.fic-net.co.jp

– 2 –
The related documents
For details, refer to the following documents.
Before using the controller, check if the type and specifications are as ordered. (ATable of Model code configu-
ration is given in Page 4).
Check that all of the following accessories are included in the package box.
Check of specifications and accessories
·Temperature controller 1 unit
·Instruction manual 1 copy
·Mounting bracket 1 pce.
·I/V unit (250Ωresistor) 1 pce.(4-20mA DC input type only)
·Terminal cover 1 pce.(optional item seperately ordered.)
Contents Name
Operation method MICRO-CONTROLLER X (Model : PXR)
OPERATION MANUAL
Communication functions COMMUNICATION FUNCTIONS (MODBUS)
INSTRUCTION MANUAL
Specifications Catalogue Name
ECNO : 406
INP-TN512642-E
ECNO : 1136

–3 –
1. Warning
1.1 Installation and wiring
•This controller designed to be installed at the following conditions.
•The controller must be installed such that with the exception of the connection to the mains, creepage
and clearance distances shown in the table below are maintained between the temperature probe
and any other assemblies which use or generate a voltage shown in the table below.
Failure to maintain these minimum distances would invalidate the EN 61010 safety approval.
Operating temperature -10 to +50 [°C ]
Conforming to IEC1010-1
Installation category II
Pollution degree 2
Operating humidity 90%RH or less (Non condensation)
Up to 50Vrms or Vdc
Voltage used or generated
by any assemblies Clearance (mm) Creepage (mm)
0.2
Up to 150Vrms or Vdc 0.5
Up to 300Vrms or Vdc 1.5
Above 300Vrms or Vdc Contact with our sales office.
Up to 100Vrms or Vdc 0.2 1.2
1.6
3.0
1.4
Before using this product, the user is requested to read the following precautions carefully to ensure
the safety. Safety precautions must be taken by every user to prevent accidents.
The safety requirements are classified into "warning" and "caution" according to the following
interpretations :
Warning Suggesting that the user's mishandling can
result in personal death or serious injury.
Caution
Suggesting that the user's mishandling can result
in personal injury or damage to the property.
WARNING Over-temperature Protection
Any control system should be designed with prior consideration that any part of the system has potential to
fail.
In case of temperature controlling, a continuance of heating on should be regarded as the most dangerous
state.
The followings are the most probable causes of inducing continuance of heating on:
1) The failure of the controller with heating output constantly on
2) The disengagement of the temperature sensor out from the system
3) The short circuit in the thermocouple wiring
4) Valve or switch contact point outside the system is locked to keep heating on
In any application in which it is apprehended that physical injury or destruction of equipment might occur,
please install an independent safeguard equipment to prevent over-temperature which shut down the heating
circuit, and for additional safety, we recommend this equipment to have its own temperature sensor.
The alarm output signal of the controller is not designed to work as protective measures when the controller
is in failure condition.
Safety PrecautionsRead before using

–4 –
•If the voltage shown above exceeds 60Vdc (i.e. hazardous voltage), the basic insulation is required
between all terminals of this controller and the ground, and supplementary insulation is required for
the alarm output.
Isolation class of this controller is as shown below. Be sure to check that the isola-tion class of the
controller satisfies your requirements before installan.
•If there is a danger of a serious accident resulting from a failure or a defect in this unit, provide the unit
with an appropriate external protective circuit to prevent an accident.
•The unit is normally supplied without a power switch and fuses.
Make wiring so that the fuse is placed between the main power supply switch and this controller. (Main
power supply: 2 pole breaker, fuse rating: 250V, 1A)
•When wiring the power supply terminal, use vinyl insulated 600 volt cable or equivalent.
•To avoid the damage and failure of controller, supply the power voltage fitting to the rating.
•To avoid an electric shock and controller failure, do not turn ON the power before all wiring is completed.
•Be sure to check that the distance is kept to avoid electric shock or firing before turning the power ON.
•Keep away from terminals while the circuit is energized in order to avoid an electric shock and a
malfunction.
•Never attempt to disassemble, fabricate, modify, or repair this unit because tampering with the unit
may result in a malfunction, electric shock, or a fire.
1.2 Maintenance precautions
•Be sure to turn off the power before this controller is installed or removed in order to avoid an electric
shock, malfunction, and fault.
•Regular maintenance is recommended a longer service life of this controller. Some parts of this
controller have a limited life span, or they will be deteriorated with the lapse of time.
•One-year warranty is guaranteed for this unit including accessories, provided that the controller is
properly used.
Mains (Power source) Measured value input, CT input
Control output1 (relay output) Internal circuit
Control output2 (relay output) Control output1 (SSR drive output / Current output)
Alarm outout (AL1)
Alarm outout (AL2) Communication (RS-485) circuit
Heater burnout alarm output (HB) Digital input (DI).
: Basic insulation, : Non-insulation, : Functional insulation

–5 –
2. Warning
2.1 Cautions on installation
Avoid the following places for installation.
•a place where the ambient temperature may reach beyond the range of from 0 to 50∞C while in
operation.
•a place where the ambient humidity may reach beyond the range of from 45 to 85% RH while in
operation.
•a place where a change in the ambient temperature is so rapid as to cause
condensation.
•a place where corrosive gases (sulfide gas and ammonia gas, in particular) or combustible gases are
emitted.
•a place where the unit is subject directly to vibration or shock.
•a place exposed to water oil, chemicals,steam and vapor.
(if immersed with water, take the inspection by sales office to avoid an electrical leakage and firing )
•a place where the unit is exposed to dust, salt air, or air containing iron particles.
•a place where the unit is subject to intereference with static electricity, magnetism, and noise.
•a place where the unit is exposed to direct sunlight.
•a place where the heat may be accumulated due to the radiation of heat.
2.2 Caution on installation on panel
•Insert the mounting bracket (accessory) from the rear side until the main unit is securely fit into the
panel. If there should be a play, tighten two screws lightly until the play is eliminated. (Do not tighten
the screws excessively because the mounting bracket can be removed from the stopper by the force.)
•The front side of this controller conforms to NEMA 4X(equivalent with IP66). To ensure the
waterproofness between the instrument and the panel, use packings that are provided as accessories
in the following manner: (The improper fitting of packings will ruin the waterproofness.)
qAs shown in Figure 1, fit a packing to the case of the unit and then insert it in the panel.
wTighten screws on the fixing frame or fixtures so that no gaps are given between the front of
controller and packing and between panels. Check that there are no deviation and deformation of
packing as shown in Fig.3.
No. 000001T
PXR4TAA1-1YM00-D
MFD 2000-04 No. 000001T
PXR4TAA1-1YM00-D
MFD 2000-04
Figure 1 Figure 2
Unit Unit
Front Case Panel
PackingPacking
Panel Mounting
bracket Screw
Figure 3
Packing Packing
Case Case
(Bad) (Good)
Standard : Vertical mounting, flush on the panel. (The controller is horizontal.)
When mounting the controller on tilted surface, the maximum tilt angle is 30°(degree) from virtical.
(Caution)
•Don’t block the openings around the controller, or radiation effect will be reduced.
•Don’t block the ventilation openings at the top of the terminal block.

–6 –
2.3 Precautions in wiring connection
•For the thermocouple sensor type, use thermocouple compensation wires for wiring.
For the RTD type, use a wiring material with a small lead wire resistance and no resistance differentials
among three wires.
•Keep input lines away from power line and load line to avoid the influence from noise induced.
•For the input and output signal lines, be sure to use shielded wires and keep them away from each
other.
•If a noise level is excessive in the power supply, the additional installation of an insulating transformer
and the use of a noise filter are recommended. (example: ZMB22R5-11 Noise Filter manufactured by
TDK)
Make sure that the noise filter is installed to a place such as a panel that is properly grounded. The
wiring between the noise filter output terminal and the instrument power supply terminal should be
made as short as possible. None of fuses or switches should be installed to the wiring on the noise
filter output side because the filter effect will be degraded by such a installation.
•A better anti-noise effect can be expected by using stranded power supply cable for the instrument.
(The shorter the stranding pitch is, the better the anti-noise effect can be expected.)
•For the unit with an alarm against a failure (burn-out) in the heater, use the same power line for
connection of the power supplies for the heater and the controller.
•A setup time is required for the contact output when the power is turned on. If the contact output is
used as a signal for an external interlock circuit, use a delay relay at the same time.
•Use the auxiliary relay since the life is shortened if full capacity load is connected to the output relay.
SSR/SSC drive output type is preferred if the output operations occur frequently.
[Proportional interval] relay output: 30 seconds or more, SSR/SSC: one second or more]
•If inductive load such as magnetic switches connected as a relay output load, it is recommended to
use Z-Trap manufactured by Fuji Electric to protect a contact from switching serge and keep a longer
life.Model : ENC241D-05A(power supply voltage: 100 V)
ENC471D-05A (power supply voltage: 200 V)
Where to install : Connect it between contacts of the relay control
output.
Example)
•The SSR/SSC-driven output, an output of 4 to 20 mA DC, are not electrically insulate from internal
circuits.
Use a non-grounded sensor for resistance bulb or thermocouple.
2.4 Requirement for key operation/operation in abnormalities
•Prior to the operation, be sure to check alarm functions, since a failure in the proper setting will result
in a failure in the proper output of an alarm in case of an abnormality.
•A display of UUUU or LLLL will appear in case of a break in the input. Be sure to turn off the power
when a sensor is replaced.
2.5 Others
•Do not use organic solvents such as alcohol and benzine to wipe this controller. Use a neutral detergent
for wiping the controller.
1 7 13
2 8 14
3 9 15
4 10 16
5 11 17
6 12 18
Z-Trap connection

–7 –
<Reference items> <Description>
Error indication
8
Power on
Wiring
2
Usages
3
Display and operation
4
Setting method of temperature and parameters
5
Functions
6
Setting of input type and control method.
7
Operation
Installation/mounting
1
Confirming type specification •Confirming that the delivered
controller is equal to the ordered
one.
•Outline dimensions
•Panel cutout dimensions
•Mounting method on the panel
•Set value change method
•Basic operation method
•List of parameters
•List of input/output/alarm codes
•Setting of input type and ranges
•Selecting of control method
•Terminal connection diagram
*Note
(Note) *To start the operation, wait for about 30 minutes after the power-on for
warm up.
Index.

–8 –
1 Installation/mounting
Outline and Panel Cutout Dimensions (Standard type/Waterproof type)
Note 1
Caution on side by side installation
•With the power supply of 200 VAC or more, a maximum ambient temperature is 45˚C.
(It is recommended to use a fan for cooling.)
Cautions on wiring
•Wiring should be started from the left side terminal (No. 1 to No. 6).
•Use crimped terminals matched to the screw size. Tightening torque should be 0.8 Nm (Since the
case is made of plastic, do not tighten excessively).
•Do not connect anything to terminals not used.
No. 000001T
PXR4TAA1-1YM00-D
MFD 2000-04
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
48
44.8
44.8
79.88
48
Mounting bracket
Panel
Panel thickness 1 to 8mm
Packing
48
44.8
57
6.2
Terminal screw M3×6
13
16
17
18
14
15
7
8
10
11
12
9
1
2
4
5
6
3
63 or more
73 or more
+0.5
a -0
Number
of units
23456
a 93 141 189 237 285
45+0.5
0
45+0.5
0
45+0.5
0
For side by side installation
Note) See the Note1.
Outline dimensions Panel cutout dimensions
(Unit : mm)
When there is another instrument (larger than 70mm) or a wall on the right side of this controller, be sure
to install the controller keeping a space of more than 30mm.
30 min.
70 or more

–9 –
2 Wiring
Terminal Connection Diagram (100 to 240 Vac)
·Common
Relay output
Thermocouple Resistance valve Current/Voltage
Current output
uq!3
iw!4
oe!5
!0r
q
w
e
r!6
!1t!7
!2y
t
y
!8
·Alarm output1 (AL1)
·Alarm output2 (AL2)
·Heater break
alarm output (AL3)
AC100-240V
Digtal input
CT input CT input Digtal input
50/60Hz
(+)
(-)
SSR/SSC drive output
Control output1
Alarm output
!3
!4
Note1 : Check the power supply voltage before installation.
Note2 : Connect the I/V unit (250Ωresistor) (accesory) between the terminal !7 and !8 in case of
currert input.
u
i
u
i
o
!0
o
!0
!1
!2
u
i
u
i
o
!0
o
!0
o
!0
!1
!2 !1
!2
Communicaton (RS485)
Power supply +
-
!77
!8
Signal input
A
B
B
!6
!77
!8
Control output 2
!3
!4
+
-
Relay output
Control output 2
!1
!2
Relay output
!77
!8
(Note2)
!3
!4
!5
(Note1)

–10 –
3 Usage (Read before using)
Name of Functional Parts and Functions
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
1
2
3
S1 S2 S3
4
8
765
Model : PXR4
Name Function
Select key The key shifting to the 1st, the 2nd or the 3rd block parameter, switching the display
between parameter and the data at the 1st, the 2nd and the 3rd block.
Setting keys
S1
Down key ·The numerical value is decreased by pressing the key once. The numerical value
keeps on decreasing by pressing the key continuously.
·For searching parameters within the 1st, tne 2nd and the 3rd block.
S3
Up key ·The numerical value is increased by pressing the key once. The numerical value
keeps on increasing by pressing the key continuously.
·For searching parameters within the 1st, the 2nd and the 3rd block.
S2
Name Function
Process value (PV)/parameter
name display 1) Displays a process value (PV).
2) Displays the parameter symbols at parameter setting mode.
3) Displays various error indications
(refer to the 8, Error indications).
Display/Indication
q
Set value (SV)/parameter setting
display 1) Displays a set value (SV).
2) Display the parameter settings at parameter setting mode.
3) Flickers at Standby mode.
4) Displays the set value (SV ) and “SV-1”alternately when
the SV switching function is used.
e
Set value (SV) indication lamp The lamp is lit while a set value (SV) is displayed.
w
Auto-tuning/self-tuning indicator The lamp flickers while the PID auto-tuning or the self-tuning
is being performed.
r
Control output indication lamp C1 :The lamp is lit while the control output 1 is ON.
C2 :The lamp is lit while the control output 2 is ON.
t
Alarm output 1 (AL1)
indication lamp (Note 1) The lamp is lit when the alarm output 1 is activated. It flickers
during ON delay operation.
y
Alarm output 2 (AL2)
indication lamp (Note 1) The lamp is lit when the alarm output 2 is activated. It flickers
during ON delay operation.
u
Heater break alarm output (AL3)
indication lamp (Note 1) The lamp is lit while the heater break alarm output is ON.
Note 1) Control output 2 and alarm function are optional.
i

–11 –
4 Display and operation
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
·To perform standby operation, set "STby" as ON in the
1st block parameter. ·Standby mode:
(Output) Control outputs (1 and 2) and alarm outputs (all) are not provided. However,
depending on setting of "P-n1", control action, control outputs are provided at the
abnormal input.
No alarm output is provided at standby mode, even in (Fault-condition).
Standby mode
Operation mode
Parameter setting mode
Switching by the key
SEL
1Change of set value (SV)
2Shift to the 1st, 2nd and 3rd block parameter
To shift to the other blocks, press the key.
When the SV lamp is lit, the set value (SV) is displayed at the lower line.
The set value (SV) can be changed.
After the data setting, the data are registered
automatically in 3 seconds.
Depending on the pressing time of key,
you can select the block to shift.
SEL
SEL
SEL
pressing time Shifting block
About 1 sec pressing 1st block
About 3 sec pressing 2st block
About 5 sec pressing 3st block
Caution
Caution
Caution
Caution
(Control) Control is not performed.
(Display) SV display flickers.
(Setting) SV and parameter settings are able to perform.
Be careful since the equipment does not provide output of the alarm of
the main unit abnormality during the standbyoperation.
The SV display does not flicker while the 1st, 2nd and
3rd block parameters are displayed.
Switching by 1st block
STby settings
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
SEL
SEL
SEL
SEL
SEL
SEL
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
1
Press the
once.
Press the for 2 sec. Parameter selection
Parameter setting procedure
Select a parameter you want to
set by pressing the or
key.
3
3
1 2
To shift to Operation/Standby
mode, press the key for 2 sec.
2-1
Press the key to allow the
parameter to change.
(Under the changing condition,
the parameter set value flickers).
2-2
Pressing the or key, to
change the parameter set value.
2-3
After the parameter has been
changed, press the key
for registration.
Parameter settings
Shift to operating condition
Parameter search.
1
Registers parameter set value, returning
to the parameter shift mode .
Operation mode
Press the . Press the .
Parameter change.
Increases parameter set value
Decreases parameter set value
By repeating the same procedure, the parameters
can be displayed according to the parameter list
shown in 5, Setting methods of temperature and
parameters.

–12 –
5Setting methods of temperature and paramenters
Standby
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
Control output status
Alarm status
PV value
indication
SV value
indication
When the set value (SV) is displayed at the lower line, the SV lamp is lit.
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
Operation/Standby mode
SV value
indication
flickers.
SEL SEL
Operation
Parameter
display symbol Parameter
Standby settings
Description of contents Default
setting
Remarks
STbY
ProG
LACH
AT
TM-2
AL1
A1-L
A2-L
A2-H
LoC
TM-1 Timer 1 display
Timer 2 display
Alarm 1 low limit
set value
Alarm 1 set value
(appears only with alarm action type 16 to 31).
Setting range: Note 1
Alarm 1 high limit
set value
(appears only with alarm action type 1 to 10).
Setting range: Note 1
Alarm 2 set value
10
10
A1-H
AL2
10
10
0
Switches RUN or Standby of the control.
ON: Control standby (output: OFF, alarm: OFF)
OFF: Control RUN
OFF: stop, rUn: Start, HLd: status hold
0: Stop, 1: Standard AT start, 2: Low PV type AT start
OFF
Alarm latch cancel Releases alarm latch.
1: Alarm latch release 0
Ramp/soak control OFF
Auto-tuning
Time displays remining time at the timer mode.
(appears only with alarm action type 1 to 10).
Setting range: Note 1
(appears only with alarm action type 16 to 31).
Setting range: Note 1
(appears only with alarm action type 16 to 31).
Setting range: Note 1
Alarm 2 high limit
set value
(appears only with alarm action type 16 to 31).
Setting range: Note 1
Alarm 2 low limit
set value
Setting of key lock status.Key lock
10
0
10
10 Table 3
(Page 4)
Table 3
(Page 4)
Table 3
(Page 4)
Table 3
(Page 4)
Table 3
(Page 4)
Table 3
(Page 4)
10
All parameters
Front key
0
1
2
3
4
5
Comm-
unication
SV
Front key Comm-
unication
Note 1) Setting range :0 to 100%FS (in case of absolute value alarm)
100 to 100%FS (in case of deviation alarm)
Note 2) Never set "TC" / "TC2" = 0
·Some parameters may not be displayed on the screen, depending upon the types.
1st block parameter
: Setting enable, : Setting disable
Press for about 1 sec. Press for about 2 sec.

–13 –
Standby
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
Control output status
Alarm status
PV value
indication
SV value
indication
When the set value (SV) is displayed at the lower line, the SV lamp is lit.
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
Operation/Standby mode
SV value
indication
flickers.
SEL SEL
Operation
Parameter
Proportional band
Description of contents Default
setting
Remarks
P
I
D
TC
TC2
CooL
db
P-SU
P-dP
ALM1
ALM2
HYS Hysteresis for ON/OFF contorol
Cycle time (control output 2)
Deadband/overlap
Proportional band
coefficient on cooling side
Input type code
Lower limit of input range
As ordered
As ordered
P-n2
P-SL
As ordered
As ordered
0/5
0/9
5.0
Derivative action time 60.0
Integral time (reset) 240
Cycle time (control output1)
Setting types of alarm action (Setting range: 0 to 34)
Setting of decimal point
position
PVOF
0
PV offset
Type of alarm 1
Upper limit of input range
Type of alarm 2
1
30/2 Note 2
30
1.0
0.0
PTn
1
Selects the ramp/soak execute type.
1: Executes 1st to 4th segment.
2. Executes 5th to 8th segment.
3. Executes 1st to 8th segment.
Ramp/soak execute type
SV-1
to
SV-8
0%FS
Sets the target SV for each ramp segment.
(Setting range: 0 to 100%FS)
Ramp target SV-1 to SV-8
TM1r
to
TM8r
0.00
Sets the time for each ramp segment.
(Setting range: 0 to 99 hours and 59 minutes)
1st ramp segment time to
8th ramp segment time
TM1S
to
TM8S
0.00
Sets the time for each soak segment.
(Setting range: 0 to 99 hours and 59 minutes)
1st soak segment time to
8th soak segmentl time
STAT
-
Ramp/soak status
Shift the display of process value (PV).
(Setting range: -10 to 10%FS)
Displays the current Ramp/Soak status.
No setting can be made.
Setting range: 0.0 to 999.9%
ON/OFF control when "P" = 0
Setting range: 0 to 3200 sec.
No integral action when "I" = 0
Setting range: 0.0 to 999.9 sec.
No derivative action when "d" = 0
Sets cycle time of control output 1.
(Setting range: 1 to 150 sec)
Setting range: 0 to 50% FS
Sets cycle time of control output 2.
(Setting range: 1 to 150 sec)
Sets the proportional band coefficient on the cooling side.
(Setting range : 0.0 to 100.0)
ON/OFF control when "Cool" = 0
Shifts the output value on the cooling side.
(Setting range: -50.0 to 50.0%)
Lower limit of input range
(Setting range: -1999 to 9999)
Upper limit of input range
(Setting range: -1999 to 9999)
Type of input Table 1
(Page 4)
Table 2
(Page 4)
Table 2
Table 2
(Page 4)
Table 3
(Page 4)
Table 3
(Page 4)
Select a decimal point position of display.
(Setting range: 0 to 2)
. .
"1"
0 : No decimal point
"2"
CTrL PID
Type of control algorithm.
(Setting range: PID, FUZZY, SELF)
Control algorithm
P-dF Time constant of input filter 5.0
Time constant (Setting range: 0.0 to 900.0 sec.)
2nd block parameter
Parameter
display symbol
Note 2
Table 2
(Page 4)
Press for about 3 sec. Press for about 2 sec.

–14 –
Standby
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
Control output status
Alarm status
PV value
indication
SV value
indication
When the set value (SV) is displayed at the lower line, the SV lamp is lit.
AL2AL1C1 C2 AL3
SEL
PXR-4
SV
PV
Operation/Standby mode
SV value
indication
flickers.
SEL SEL
Operation
Parameter
Control action
Description of contents Default
setting
Remarks
P-n1
A1hY
A2hY
dLY2
A1oP
A2oP
dLY1 ON delay time of
alarm 1
ON delay time of
alarm 2
Additional function
of alarm 2
Additional function
of alarm 1
Lower limit of SV
(Setting range: 0 to 100%FS)
Lower limit of SV
Upper limit of SV
(Setting range: 0 to 100%FS)
Upper limit of SV
0%FS
100%FS
SV-L
SV-H
0 Table 4
(Page 4)
6-7
(Page 3)
6-6
(Page 3)
Hysteresis for
alarm 1 Sets ON-OFF hysteresis for alarm output.
(Setting range: 0 to 50%FS)
1
Hysteresis for
alarm 2
ON delay time setting for alarm output
(Setting range: 0 to 9999 sec)
Additional function of alarm output
(Setting range: 000 to 111)
Alarm latch (1:use, 0:not use)
Alarm of error status (1:use 0:not use)
De-energized (1:use 0:not use), Note 3.
0
1
0
000
000
dl-1
CT
-
CT (Current Transformer) input valueCT input value
0(OFF)
Selects digital input 1 (DI1) function
(Setting range: 0 to 12)
DI1 function
STno
1
Communication station No. (Setting range: 0 to 255)Station No.
CoM
0
Parity setting Parity setting. Baud rate is fixed at 9600 bps.
(Setting range: 0 to 2)
PYP
34
Code for PYP input
type Input type code used when communicating with PYP.
See the OPERATION MANUAL
(Initial value: K: 0 to 400 C)
dSP1
to
dSP13
Parameter mask Specifying parameter mask
Selects the control action.
Hb
0.0
Sets current value to detect the heater disconnection
(Setting range: 1.0 to 50.0A, 0: OFF)
HB alarm set value
Parameter
display symbol
3rd block parameter
Note 3) De-energized: Contact opens when the alarm "ON".
Press for about 5 sec. Press for about 2 sec.

–15 –
6 Functions
•At ON/OFF control mode,output signal is as shown below.
Set parameter “P”= 0 for selecting the ON/OFF control mode.
Set the hysteresis to avoid chattering.
(Default setting: Hys = 1)
•Parameter setting and operation example
Example 1 : Reverse operation
Parameter
P
P-n1
HYS
Relationship of
PV and SV
PV > SV
PV < SV
Output
OFF
ON
Setting value
0.0
0 (or 1)
Any value
PV
when PV
increases
PV
when PV
decreases
HYS
SV
PV
when PV
increases
PV
when PV
decreases
HYS
SV
ON
ON
ON
ON
Example 2 : Direct operation
Parameter
P
P-n1
HYS
Setting value
0.0
2 (or 3)
Any value
6-1 ON/OFF control

–16 –
Setting code (AT) 012
When auto-tuning
is cancelled or not
performed.
Standard type
(auto-tuning at SV) Low PV type (auto- tuning at 10%FS
below SV.)
Start of AT
End of AT
PV
PID control
Start of AT
End of AT
PV
PID control
SV-10%FS
Set value (SV) Set value (SV)
qStandard type (AT=1)
(a) The P.I.D. parameter calculated by auto-tuning remains even if the power is turned off. If the power is
turned off before the auto-tuning is completed, you must restart the auto-tuning.
(b) The PV may be changed greatly depending on the process, because the con trol output is ON/OFF action
(two position operation) in the auto-tuning. So, do not use the auto-turning if the process does not allow a
significant variation of PV.
In addition, the auto-tuning should not be used in any process such as pressure control and flow control,
where a quick-response is required.
(c) If the auto-tuning isn’t completed in four hours, the auto-tuning is suspected to fail. In this case, check the
wiring and parameters such as the control action,
input type, etc.
(d) Carry out the auto-tuning again, if there is any change in SV, input range (P-SL, P-SV or P-dP) or process
condition. Perform the auto-tuning if fuzzy control is selected as the control algorithm.
(e) When resetting theAT parameter, set the parameter to “0”once, then reset it.
6-2 Auto-tuning (AT)
Autotuning is the automatic calculation and entering of the control parameters (P,I and D) into memory. Prior
to the auto-tuning, complete the setting of input range
(P-SL,P-SU, P-dP), a set value (SV), alarm setting (AL1, AL2), and cycle time (TC).
Set the parameter AT as either “1”or “2”by using or key, and press the
SEL
key to start the auto-turning.
Then the point indicator at the lower right starts blinking. At the completion of Auto-tuning, the point indicator
stops blinking, then parameter AT is automatically set to 0.
How to start the auto-tuning
wLow PV type (AT=2) : Overshoot decreased
at tuning.

–17 –
1) At power on, changing a set value or the external disturbance, tuning is made automatically so that the PID
parameters are re-optimized.
It is useful where modification of PID parameters is required repeatably due to frequent change in process
condition.
If high controllability is important, select the PID or fuzzy control algorithm and use auto-tuning.
2) Setting for self-tuning
qTurn on the power and set the SV.
wSelect SELF at “CTrL”(control algorithm) parameter.
eTurn off the power once.
rTurn on the power of the whole system. The controller should be turned on at the same time with the
other equipments or even later. Otherwise, the selftuning might not be performed successfully.
tSelf-tuning starts. Then the point indicator at the lower right corner starts blinking until the PID parameters
are re-optimized.
Note) Whenever it is necessary to re-try the self-tuning, please set “CTrL”= PID
once, and then start the above setting procedure from the beginning.
2nd block parameter
·Set "CTrL" (control algorithm) as SELF.
PID PID control
FUZY Fuzzy control
SELF Self-tuning control
PV
SV
PV
SV
6-3 Self-tuning
3) Self-tuning indication
The point indicator at the lower right corner starts blinking until the PID parameters are re-optimized.
SV
PV
C1 C2 AL1 AL2

–18 –
4) Self-tuning is executed by any of the following conditions.
qDuring temperature rise at power ON.
wDuring temperature rise at SV changing if necessary.
eWhen control is out of stable condition and is judged as being out of stable condition continuously.
5) Self-tuning is not executed under the following conditions:
qDuring standby mode
wDuring ON/OFF control
eDuring auto-tuning
rDuring ramp/soak operation
tDuring input error
yWith dual output (“P-n1”≥4)
uWhen P, I, D or Ar is manually set
Under the following coditions, self-tuning is canceled.
qWhen SV is changed.
wWhen Self-Tuning can not be completed in about 9 hours after the start.
6) Cautions
·Turn on the power of the whole system. The controller should be turned on at the same time with the
other equipments or even later. Otherwise, the self tuning might not be performed successfully.
·Don’t change the SV while the self-tuning is executing.
·Once PID parameters are optimized, the self-tuning is not excuted at the next power on unless SV is
changed.
·After the execution of self-tuning, if the controlability is not your expected level, please select PID or
FUZZY at “CTrL”parameter, and then, start the auto-tuning.

–19 –
1) Kinds of alarm
•Absolute value alarm, deviation alarm, combination alarm, and zone alarm are available.
(For details, see Table 4, Alarm action type codes on page 4.)
ON delay function
ON delay setting time
ON
Alarm
OFF
ON
OFF
ON
OFF
Without ON delay function
With ON delay function
Relay output
ON
OFF
ON
OFF
ON
OFF
Without
De-energizing
function
With
De-energing
function
No. Function Description Parameters to set
qHysteresis Set the hysterisis to avoid chattering. Alarm 1 :
Alarm 2 :
Alarm 1 :
Alarm 2 :
wON delay
The alarm is turned on with delay of a certain seconds
as previously set after PV goes in the alarm band.
rError status
alarm Alarm is turned on when error indications are displayed.
tDe-energizing Alarm output can be de-energized.
eAlarm latch Keeps the alarm ON status once an alarm is
turend ON. To cancel the alarm latch, please take
one of the following procedure.
i) Turn ON the controller again.
ii) Turn the alarm latch settings to OFF once.
iii) Use alarm lacth cancel parameter.
iv) Cancel by Digtal input (DI1).
v) Cancel by communication function.
Alarm 1 :
Alarm 2 :
Alarm 1 :
Alarm 2 :
Alarm 1 :
Alarm 2 :
6-4 Alarm function [option]
2) Alarm function
Energizing/de-energizing function

–20 –
No. Cautions
Cautions on alarms
Combination of alarm functions
Please see the table as shown below.
O: Possible combination
X: Impossible combination
Note 1) The alarm is not turned on the first time the measured value is in the
alarm band. Instead it turns on only when the measured value goes out
of the band and enters it again.
Items/Classification
1 Note that the ON delay function is effective for alarm in error status. Alarm in error
status
Alarm at error
indication
2 Even during "Err" display, alarms in error status work.
3
Even when “LLLL”or “UUUU”is displayed, an alarm function works normally.
5 With the HB alarm, ON delay function, de-energizing function and latch
function cannot be used. HB alarm
Alarm action type
code
4 Alarm action type codes in No.12 to 15 are also included in No.24 to 27.
It is, therefore, recommended to use No.24 to 27. In addition, please note
when selecting No.12 to 15, setting in ALM2, dLY2, and A2hy are effective.
6The minimum alarm set value is –199.9. Alarm set value
Note that all of alarm outputs are not provided at the standby condition. Alarm at standby
mode.
Error status alarm is not provided at the standby mode.
The HOLD function is effective even if the PV value is in the hysteresis area
when the power is turned ON.
7 As the alarm action type changed, the alarm set value may also be
changed accordingly.
8
9
10
Alarm in error status
ON delay
De-energizing
Alarm latch
Without HOLD/Timer
O
O
O
O
With HOLD
O
O
Note 1
O
With Timer
X
O
X
X