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SC-F70

SC-F70

PID Operation Operating Instructions

3.2 Test Operation (LOC/MAN Mode)

This operation verifies the functions of the controller, the actuator (for
control valves, etc), and the sensor used in the system.
This section describes an example of the controller operation with the
Auto-tuning PID operation in which a general-purpose control valve is
used as the actuator (see Note 1).
In the heating, cooling PID operation, the control output value is fixed in
MAN mode, and the test operation described here cannot be run.
Therefore, set the PID constants for both heating and cooling (see Note
2) following "8. PID Constants Manual Tuning Method" (page 103),
then go to "3.3 Automatic Operation (LOC/AUT Mode)" (page 43).

Note 1: If you use other equipment for the actuator, consider the general-purpose

control valve as that equipment, and refer to this description. For details or
clarification, contact TLV.

Note 2: The heating, cooling PID operation has no Auto-tuning function, and PID

constants must be set manually.

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Running the Test Operation

You can run the test operation by following two procedures:

1. Verifying the control valve actions in the MAN mode

2. Setting the PID constants by running auto-tuning

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Содержание SC-F70

Страница 1: ...Multicontroller SC F70 SC F70 Auto Tuning PID and Heating Cooling PID Operating Instructions Manufacturer 172 65281M 00 ...

Страница 2: ...ponsiveness 51 3 6 PID Constants Fine Tuning Method 52 3 7 PID Constants Setting and Control Operation 53 4 Remote Operation REM AUT Mode 55 4 1 Remote Analog Setting Operation 55 4 2 Remote Area Switching Operation 58 5 Using Other Functions 62 5 1 Using Alarms 62 5 2 Using the Transmission Output 65 5 3 Using the Communications Function 66 5 4 Using Other Convenient Features 66 5 5 What Happens ...

Страница 3: ... 1 Display Functions 106 9 2 Measurement Input 106 9 3 Settigns 107 9 4 Control Operation 108 9 5 Control Output 108 9 6 Alarm Ouput 110 9 7 Transmission Output 111 9 8 External Contact Input 111 9 9 Communication Output 112 9 10 Self Diagnostic Function 114 9 11 General Specifications 115 9 12 Environmental Conditions Normal Operation 115 9 13 Shipping and Storage Conditions 116 10 Product Warran...

Страница 4: ... controller for Auto tuning PID operation and heating cooling PID operation This book provides for both inexperienced users and experts information for installing and operating your controller and troubleshooting problems It also contains product specifications and warranties For Your Safety Safety mark Every safety notice in this book is shown with a safety mark Please read these notices carefull...

Страница 5: ... Heating cooling PID operation b shows the type of external contact N No external contact feature A External analog input D External area switching contact input c shows the communication type N No communication feature 1 RS 232C 4 RS 422A 5 RS 485 2 Accessories The controller package contains 1 The controller 2 The Operating Instructions this book 3 A mounting hardware set 2 brackets 4 The Operat...

Страница 6: ...ing Checking model code and accessories Confirms that you received the correct model and accessories see page 5 Customizes the controller with jumpers on a controller board see page 7 Mounts the controller on a panel see page 9 Connects the cable to a control valve sensor and other connectors see page 11 Turns power on and sets up the basic parameters see page 28 Runs the controller in manual mode...

Страница 7: ...ing operation is not used Warning Do not try to use the controller without setting the jumpers correctly according to your mode of operation If you do an unexpected malfunction may arise Use these steps to set the jumpers 1 Make sure the controller is turned off 2 Remove the controller body from its case see Figure 1 1 While pushing the stopper tab 1 upward 2 Pull the body by the frame of the disp...

Страница 8: ...oltage Input Current Input Analog Input Selection Jumper Measurement Input Selection Jumper Voltage Input High MCU Board 1 2 3 4 5 6 Voltage Input Low Figure 2 Jumper Setting Guide 5 Restore the body into the case and make sure it latches firmly at the stopper Current Input RTD Thermocouple ...

Страница 9: ...ong vibrations and the potential for shock exist Where there is flooding or splashing of oil Where there is excessive dust Where there is any inductive disturbance which adversely affects electrical instruments Controller Dimensions and Panel Cut Sizes These figures show the sizes of the controller and the panel cut needed to fit the controller in millimeters in inches 96 3 780 96 3 780 91 8 3 614...

Страница 10: ... Insert one of the brackets shipped with the controller into the slot on the top of the controller see Figure 1 4 With a Phillips head screwdriver tighten the screw from the rear of the bracket see Figure 2 When a gap is no longer seen between the panel and the controller tighten one more full turn Be careful not to tighten too much because the controller case becomes distorted when overly tighten...

Страница 11: ...rence especially from inverter power lines as they are liable to produce interference requiring countermeasures be taken on the inverter side to suppress noise emission 2 Use an electrically isolated receiver when transmission outputs are utilized If the receiver is not an isolated type the connection must be made using an isolation amplifier 3 Use shielded cables for input and output signal cable...

Страница 12: ...rsely affected by noise twist the power supply cables together The smaller the pitch the greater effectiveness against noise 4 Do not install fuses switches or other such items on the cables between the noise filter output and the controller power terminals because this may adversely affect filter performance 3 For grounding 1 Use only power cables that conform to local electrical codes To ground ...

Страница 13: ...n table when selecting cables Recommended Wire Specifications Power line Grounding wire In out signal Wire Specifications Type Cabtyre Cabtyre 2 wire or 3 wire shielded AWG 16 or larger 14 or larger 18 or larger Diameter mm2 1 25 or larger 2 00 or larger 0 75 or larger Warning Do not turn on power supply to the value with which this controller will be used until instructed to do so in section 3 2 ...

Страница 14: ...ther possible connections are shown on page16 a An example for auto tuning PID operation Figure 1 Minimum Configuration 20 21 A A B B B B 19 Current Input W Power Supply Remove the cover 1 2 3 4 5 6 7 8 9 10 11 33 34 35 36 37 38 39 40 41 42 43 22 23 24 25 26 27 28 29 30 31 32 12 13 14 15 16 17 18 19 20 21 Power Terminals Power GND POWER AC100 240V L N 1 2 3 Sensor Terminals Sensor Terminals RTD Co...

Страница 15: ...gure 2 Minimum Configuration Current Output Power Terminals Power GND POWER AC100 240V L N 1 2 3 1 2 3 4 5 6 7 8 9 10 11 33 34 35 36 37 38 39 40 41 42 43 22 23 24 25 26 27 28 29 30 31 32 12 13 14 15 16 17 18 19 20 21 Heating Control Output Terminals Current Output Wiring Terminals 42 43 10 11 19 20 21 Cooling Control Output Terminals Heating Control Valve Cooling Control Valve Remove the cover Con...

Страница 16: ... 36 T B 37 SG RS 422A RD 35 T R A 36 T R B 37 SG RS 485 35 SD 36 37 SG RS 232C 12 13 14 15 16 Di1 COM Di2 Di3 Di4 12 13 14 15 16 Di1 COM 0 5V 1 5V 0 10V 0 20mA 4 20mA 17 21 18 19 20 4 5 6 AL1 AL2 COM NO NO 38 39 4 20mA 17 18 4 20mA DC24V 18 19 0 20mA 4 20mA 20 21 0 10mV 0 100mV 0 1V 20 21 18 19 0 5V 1 5V 0 10V 20 21 DC24V Current output Thermocouple RTD 20 21 19 20 21 A B B Control Output Current ...

Страница 17: ...ome areas and parameters in advance This chapter shows how to use the keys and how to read messages displayed on the LEDs and explains how to enter the necessary data 2 1 Names and Functions on the Panel PARA AREA ENT A SEL DISP MODE SFT AUT PV REM AT AL1 AL2 AL3 AL4 FAIL SC F70 LED Display Keys 1 5 4 2 1 8 7 6 2 3 3 4 5 ...

Страница 18: ...ions Shows measured values Shows symbols while setting areas or parameters Shows set values Shows changed values while setting areas or parameters Shows the status of the controller On during control when set values SoFT start through time On during AUTo mode On during REMote mode Blinks during auto tuning On when a CPU FAILure is detected On when an ALarm condition exists Shows symbol code to ind...

Страница 19: ...d any of the following 2 3 4 or 5 key operations Go to Key Operation Flow on page 20 2 If you want to select an area number for an operation Go to Key Operation Flow on page 22 3 If you want to know or change the values set in a specific area Go to Key Operation Flow on page 23 4 If you want to know or change the values set in a specific parameter Go to Key Operation Flow on page 24 5 If you want ...

Страница 20: ...on Flow At any time pressing the key displays the following controller values a Auto tuning PID operation DISP Note When you press the key the first time in MAN mode the current control value is displayed Control output value DISP PARA AREA ENT A SEL DISP MODE 測定値目標値 PV SC F70 PARA AREA ENT A SEL DISP MODE 測定値ランプ値 PV SC F70 PARA AREA ENT A SEL DISP MODE 測定値ソフト時間 PV SC F70 PARA AREA ENT A SEL DI...

Страница 21: ...alue is maintained only for the heating control output and the cooling control output value will go to zero Note 2 In MAN mode when you press the key from another operating environment the heating control output value ot1 is displayed first DISP This panel appears only when a soft start time has been set Ramp value is the transient target value in the process of ramp operation Heating control outp...

Страница 22: ...st then try again A SEL ENT Area No Works in LOC mode only see Note Confirms selection A SEL A SEL A SEL A SEL A SEL A SEL ENT ENT A SEL A SEL PARA AREA ENT A SEL DISP MODE 測定値目標値 PV SC F70 PARA AREA ENT A SEL DISP MODE 測定値目標値 PV SC F70 PARA AREA ENT A SEL DISP MODE 測定値目標値 PV SC F70 PARA AREA ENT A SEL DISP MODE 測定値目標値 PV SC F70 PARA AREA ENT A SEL DISP MODE 測定値目標値 PV SC F70 PARA AREA ENT A S...

Страница 23: ...REA Area No AREA AREA ENT Notes 1 Each push of the key advances the area group number displayed 2 Each push of the key advances the area item number displayed 3 When a new value is entered by keys the decimal point of the target value starts blinking When you press the key to register the new value the blinking stops 4 When you press the key the first time the area number currently in use is displ...

Страница 24: ...splaying Each push of the key displays the parameter group sequentially Each push of the key displays each item in the parameter group sequentially Instructions for updating The keys change the value and key registers the new value ENT ENT Other than status Measurement Input Type Measurement Input Type Decimal point PARA AREA ENT A SEL DISP MODE SC F70 SC F70 SC F70 SC F70 SC F70 SC F70 PARA AREA ...

Страница 25: ...can select is shown blinking in the set value LED on the right Pressing makes the new mode effective immediately and the panel displays the new state automatically MODE MODE ENT When current mode is LOC MAN selects the mode shown blinking in the set value LED 4 modes available LOC MAN LOC AUT REM MAN REM AUT PARA AREA ENT A SEL DISP MODE Measurement value PV SC F70 PARA AREA ENT A SEL DISP MODE Me...

Страница 26: ...s to indicate that Auto tuning is in operation To use Auto tuning see Setting the PID constants for Auto tuning Operation on page 40 During the Auto tuning process MAN to AUT or LOC to REM switching is prohibited therefore their selection displays do not appear In heating cooling PID operation you cannot use Auto tuning therefore Aton is not displayed ENT PARA AREA ENT A SEL DISP MODE Target Value...

Страница 27: ...A SEL DISP MODE Measurement value PV SC F70 REM PARA AREA ENT A SEL DISP MODE Measurement value Target value PV SC F70 AUT REM PARA AREA ENT A SEL DISP MODE Measurement value Target value PV SC F70 PARA AREA ENT A SEL DISP MODE Measurement value PV SC F70 REM In REM mode the Auto tuning operation is prohibited therefore Aton does not appear ENT MODE ENT MODE ...

Страница 28: ...il you are instructed to open it If you encounter any problems or the controller does not work as expected while completing these steps go to 7 Troubleshooting on page 84 to analyze the problems 3 1 Setting Up the Basic Parameters Before using the controller you must set up the following two parameters basic parameters 1 Measurement input PG02 2 Control output PG03 How to Set Up Basic Parameters T...

Страница 29: ...V Content value of the item No 1 coefficient factor 0 Symbol Symbol for item No 1 PV1 5 Change the coefficient value of item PV1 by or The value for each item must be determined as described on page 32 When you press the or key the decimal point starts to blink to indicate it is being updated If the set value does not contain a decimal fraction the decimal point appears next to the last digit Cont...

Страница 30: ...e decimal point next to the last digit will disappear 7 Press to go to the next item The next item coefficient PVL will appear 8 Repeat steps 4 to 7 to address all items 1 to 8 on page 33 of the parameter PG02 If no change is necessary press only to scroll to the next item Pressing advances the item number sequentially 9 To advance to the parameter group PG03 press once If was pressed twice and PG...

Страница 31: ...ating Instructions By referring to steps 4 to 7 set all the items for PG03 in the same manner 10 When item number 8 time proportional period for cooling of PG03 is entered basic parameter setup is complete Press to exit set up mode DISP ...

Страница 32: ...ups PG02 and PG03 The controller needs the parameters to be set correctly to control the system Parameter groups 2 and 3 are mandatory for running the controller while other groups are optional This section describes what values should be set for every item in PG02 and PG03 ...

Страница 33: ... appear Applies a first order lag to reduce noise from measurement input Applies bias to measurement input for sensor accuracy correction Specifies if an extraction function of the square root is required This parameter is displayed only when the measurement type PVI is set to 600 701 Cuts low values and measurements that may amplify the result of the extraction of the square root This parameter i...

Страница 34: ...urement unit Thermo couple Group K J E T U L JPt 100 Pt 100 0 0 400 0 C 0 0 800 0 C 0 0 400 0 C 0 0 800 0 C 0 0 700 0 C 0 0 400 0 C 0 0 600 0 C 0 0 400 0 C 0 0 300 0 C 0 0 500 0 C 0 0 300 0 C 0 0 600 0 C 0 1 10 11 20 30 40 50 400 401 410 411 K J E T U L JPt 100 Pt 100 0 0 800 0 F 0 0 700 0 F 0 0 999 9 F 0 0 700 0 F 0 0 999 9 F 0 0 700 0 F 0 0 600 0 F 0 0 900 0 F 0 0 600 0 F 0 0 999 9 F 200 210 220...

Страница 35: ...tput forward or reverse Displayed in the auto tuning PID operation In the heating cooling PID operation the movement is always reverse for heating and always forward for cooling Sets the hysteresis for the ON OFF operation HSc is displayed in the heating cooling PID operation Imposes restrictions on the amount of change per unit of time when control output values are changed The change rate limite...

Страница 36: ...or current output 0 0 100seconds When set to 0 minimum 250 msec For relay output 1 100seconds Note 1 This parameter is set for the heating in the heating cooling PID operation 8 7 CYc For current control output Sets the renewal period for control output For relay control output Sets the proportional period for control output CYc is displayed in the heating cooling PID operation CY ...

Страница 37: ...escribed here cannot be run Therefore set the PID constants for both heating and cooling see Note 2 following 8 PID Constants Manual Tuning Method page 103 then go to 3 3 Automatic Operation LOC AUT Mode page 43 Note 1 If you use other equipment for the actuator consider the general purpose control valve as that equipment and refer to this description For details or clarification contact TLV Note ...

Страница 38: ...eration Flow on page 25 Set the control output to 0 1 Press several times until the Symbol Display shows OUT 2 Press or key to set the control output value to 0 0 Note Continuous pressure on or will change the value rapidly Turn on power supply and air supply to the actuator 1 Gradually increase and decrease the control output by pressing the or key 2 Check that the control valve moves see Note 1 ...

Страница 39: ...rward direction the valve behaves in the opposite way Press to set the control output below 0 Ensure that supplying steam to the equipment is safe Then gradually open the shutoff valve Because the control valve is shut Note 1 check that no steam flows to the secondary side of the control valve By pressing and adjust the control output value gradually to reach and stay on a target set value in ever...

Страница 40: ...un the Auto tuning operation on the controller The controller calculates the data based on the characteristics of the process to get the optimal PID constants for the process Notice for Running Auto Tuning The auto tuning operation requires temporary On and Off actions during its process Due to the On Off actions the measured value and the control output oscillates above and below the target set v...

Страница 41: ...into Area number 1 PARA AREA ENT A SEL DISP MODE PV SC F70 PARA AREA ENT A SEL DISP MODE PV SC F70 A SEL AREA MODE MODE 2 3 Set the mode to LOC with the Key Refer to Key Operation Flow on page 25 Notes 1 In REM mode Auto tuning cannot be run 2 Auto tuning runs in either AUT or MAN When Auto tuning ends the controller resumes as follows Auto tuning in AUT Resumes in AUT mode PID constants are updat...

Страница 42: ... A SEL DISP MODE PV SC F70 Notes 1 If you try to start Auto tuning while the ramp operation is in process Auto tuning begins after the end of ramp operation 2 PID constants must be set into each Area you are going to use Each PID constant must match the target value of the Area 3 The Auto tuning operation sets the PID constants that will perform the best compensation actions against possible exter...

Страница 43: ...raction a blinking decimal point appears next to the last digit Continuous pressure on the key will change the value rapidly PARA AREA ENT A SEL DISP MODE PV SC F70 PARA AREA ENT A SEL DISP MODE PV SC F70 3 3 Automatic Operation LOC AUT Mode In automatic operation the controller calculates and controls its output according to a new target value For automatic operation control target values must be...

Страница 44: ...ARA AREA ENT A SEL DISP MODE PV SC F70 AUT Select AUT mode 1 Press AUT appears blinking in the SV display 2 Press The controller switches to AUT mode and turns on the AUT lamp The display changes to the display state automatically AUT operation starts automatically at this point Verify the operation panel display The control panel should display the following as shown at right PV Current measureme...

Страница 45: ... new target value and press to register the change The example shows 100 0 as the new target 3 Press to see if the measurement value moves to the new target set value Stop operation to turn off the controller 1 Press to change the mode from AUT to MAN MAN blinks in the SV display 2 Press The mode changes to MAN from AUT 3 Press until 0 0 appears in the SV display to shut off the valve 4 Turn off t...

Страница 46: ...set value of the area Symbol Symbol for the target setting SV 2 Change the setting value of each item as desired See page 48 for the items you can set for each area a Change the value by pressing or b Register the value by pressing c Go to the next item by pressing d Repeat steps a to c for all the items Note Press only when you do not need to alter the value in these steps You can use Auto tuning...

Страница 47: ...comes ready with the new target value and other control values and the panel returns to the display state Select LOC AUT mode If you need instruction see page 25 The controller starts automatic operation with the preselected area group number If you want to use another group press until your target number appears Each push of increments the area number and displays its target value Press when the ...

Страница 48: ...d by setting the measurement range lower and upper limits of the parameter See PG10 on page 79 Sets the soft start time so that a new setting is implemented gradually A value of 0 00 sets the soft start to OFF This item is shown when SSL 0 in PG10 Places restrictions on the amount of change for each unit of time when settings are changed A value of 0 sets the setting change rate limiter to OFF Thi...

Страница 49: ...e control output A value of 0 sets proportional integral action This item is not displayed when P 0 0 or I 0 Sets proportional band for the control output for cooling A value of 0 0 sets On and Off actions Displayed in heating cooling PID operation This item is not displayed when P 0 0 Restricts upper and lower limits for control output values oL is not displayed in heating cooling PID operation T...

Страница 50: ...r Control Responsiveness on page 51 for selecting a value Manual reset for cooling Dead zone see Note 2 Dead zone for cooling Control responsiveness selection See Note 4 Sets the manual reset value for cooling control output This item is displayed when Pπ0 0 Pcπ0 0 and I 0 in heating cooling PID operation Auto tuning PID operation Adds db value to a target set value and compensates the target set ...

Страница 51: ... key to select 0 1 or 2 for setting 0 Slow Priority is given to suppressing overshooting Rising is more gradual 1 Medium Intermediate between 0 and 2 2 Fast Priority is given to rising rapidly Overshooting is inevitable The initial setting is 0 Each setting affects the control output as shown at right PARA AREA ENT A SEL DISP MODE PV SC F70 2 ENT AREA Fast Slow Medium Notes 1 A change in the respo...

Страница 52: ...scillation cycles shorten 2 Effect of Integral Time I When you decrease only the I value responsiveness is affected as follows 1 The offset amount can be decreased to zero 2 The first peak fluctuation of the measured value after controlling caused by external disturbance decreases 3 Overshooting becomes larger when the target setting is changed 4 The measured value oscillates more The oscillation ...

Страница 53: ...g PID operation 1 ON OFF operation P 0 0 2 Proportional operation Pπ0 0 I 0 3 PID operation Pπ0 0 Iπ0 HS hysteresis db dead zone Mr manual reset Optimum values for P I and D should be set by Auto tuning or manual tuning 100 0 HS HS SV db db PV Control output 100 0 SV Mr PV Control output 100 0 SV PV Control output ...

Страница 54: ...peration Pπ0 0 Iπ0 Pc 0 0 5 heating PID cooling PID operation Pπ0 0 Iπ0 Pcπ0 0 Optimum values for P I D and Pc should be manually tuned HS heating hysteresis db heating dead zone Mr heating manual reset HSc cooling hysteresis dbc cooling dead zone Mrc cooling manual reset Pc P Propotional band for cooling 100 0 HS SV db dbc HSc PV Control output db Mr Mrc SV dbc 100 0 PV Control output db SV dbc 1...

Страница 55: ...ote site just as if you are standing in front of the operation panel 4 1 Remote Analog Setting Operation The following setups must be done before starting the remote analog setting operation 1 Select the mode of analog input current or voltage by setting the analog input selection jumper by referring to page 7 Warning Improper setting of this jumper may damage the controller 2 Setup all 6 items of...

Страница 56: ...e Terminals 15 and 16 accept the analog input in either DC voltage or DC current as shown on previous page The analog signal corresponds to the target setting value Contact Operation MAN and AUT Switching Plus Analog Input Contact Operation diS 0 Contact Action Close to open Open to close Analog input signal Terminal No No 12 No 13 Di1 No 15 No 16 LOC and REM Switching Plus Analog Input Contact Op...

Страница 57: ...nges to the display state or Do the following if you use the external contact on back panel diS 1 LOC Æ REM switching External contact 1 If Dil contact point is open close it if closed open and close it Set the mode to AUT Do the following on the operation panel diS 1 MAN Æ AUT switching Operation panel 1 Press once MAN and AUT blinking appear on the Symbol and SV display respectively 2 Press The ...

Страница 58: ... mode either by setting the diS value to 1 and using the contact for it or you can set it using the control panel Select the diS value for the operation you plan to use The next diagram shows how to allocate the contact points for the area number and switching functions MAN AUT SW COM 4 Di2 2 Di3 1 Di4 diS 0 diS 1 diS 2 12 13 14 15 16 8 Di1 COM 4 Di2 2 Di3 1 Di4 Di1 Function Function Terminal Term...

Страница 59: ...rea Number Selected Terminals 13 12 Di1 13 14 Di2 13 15 Di3 13 16 Di4 MAN XÆO æ æ æ AUT OÆX æ æ æ 1 æ O O O 2 æ O O X 3 æ O X O 4 æ O X X 5 æ X O O 6 æ X O X 7 æ X X O 8 æ X X X Notes 1 The new value given by the external contacts becomes effective after about 2 seconds 2 Mode switching requests are honored by detecting a status change 3 An area number is determined only by the status of the conta...

Страница 60: ...e external contacts becomes effective after about 2 seconds 2 Mode switching requests are honored by detecting a status change 3 An area number is determined only by the status of the contact points When Used for Area Selection diS 2 The next table shows the contact status for area numbers X Closed O Open 1 O O O X 2 O O X O 3 O O X X 4 O X O O 5 O X O X 6 O X X O 7 O X X X 8 X O O O 13 12 Di1 13 ...

Страница 61: ...vely 2 Press The REM lamp of the status indicator turns on and the panel changes to display state or Do the following if you use the external contact on back panel diS 1 LOC Æ REM switching External contact 1 If Dil contact point is open close it if closed open and close it Set the mode to AUT Do the following on the operation panel diS 1 and 2 MAN Æ AUT switching Operation panel 1 Press once MAN ...

Страница 62: ...on performed by the controller is to utilize the alarm functions Alarm Wiring Up to four alarm points AL1 AL2 AL3 1 and AL4 2 can be used and should be wired as shown in the diagram AL3 1 AL1 AL2 Back Panel Terminals 1 2 3 4 5 6 7 8 9 10 11 33 34 35 36 37 38 39 40 41 42 43 22 23 24 25 26 27 28 29 30 31 32 12 13 14 15 16 17 18 19 20 21 Relay contact Relay contact 4 5 6 AL1 AL2 COM NO NO 7 8 9 COM A...

Страница 63: ... as Type 5 with standby operation Note 2 Alarm activates when input error occurs Note 4 Alarm activates when a failure is detected FAIL lamp lit Note 3 Default value set in PG02 Not set Not displayed Upper limit Lower limit Measurement span Note 1 Measurement span Note 1 Measurement span Note 1 Measurement span Note 1 Upper limit Lower limit Measurement span Note 1 Measurement span Note 1 Measurem...

Страница 64: ...ints act conversely Determine and set the alarm values in the AREA you plan to use Start your control operation If needed create the alarm condition artificially to test your alarm setup Monitor the alarms 2 1 Exciting Normally open contacts close when alarm is activated Non exciting Normally open contacts open when alarm is activated 3 4 5 Hysteresis delay Pressure Alarm setting Upper limit Alarm...

Страница 65: ...d item No 4 is for second transmission output and Item No 7 is for third transmission output 0 Measurement value 1 Deviation value 2 Target set value 3 Control output value heating control output value in the heating cooling PID operation 4 Cooling control output value specified in the heating cooling PID operation 1 If the control output is a current output the third transmission output cannot be...

Страница 66: ... page 112 for other specifications For operation details refer to the SC F70 Multicontroller Operating Instructions for Communications booklet 5 4 Using Other Convenient Features The following commonly used features enable more sophisticated operation 1 Starting automatic operation just after the controller is turned on Set item No 5 MSL of the parameter PG08 to 1 2 Shutting off the valve output f...

Страница 67: ...t When the controller power is lost the control output is also lost The controller operation is the same as when the control output is not available To shut down the control fluid supply when the controller power is lost install an additional shutdown valve which closes when power is lost ...

Страница 68: ...AREAs This chapter summarizes all PARAMETER groups and AREAs in tables beginning on the next page 6 1 Parameters Parameters are grouped in 10 related families PG02 through PG10 and PG12 To change the value in the parameters you must set the controller in MAN mode if in AUT mode precedently ...

Страница 69: ...ppear Applies a first order lag to reduce noise from measurement input Applies bias to measurement input for sensor accuracy correction Specifies if an extraction function of the square root is required This parameter is displayed only when the measurement type PVI is set to 600 701 Cuts low values and measurements that may amplify the result of the extraction of the square root This parameter is ...

Страница 70: ...urement unit Thermo couple Group K J E T U L JPt 100 Pt 100 0 0 400 0 C 0 0 800 0 C 0 0 400 0 C 0 0 800 0 C 0 0 700 0 C 0 0 400 0 C 0 0 600 0 C 0 0 400 0 C 0 0 300 0 C 0 0 500 0 C 0 0 300 0 C 0 0 600 0 C 0 1 10 11 20 30 40 50 400 401 410 411 K J E T U L JPt 100 Pt 100 0 0 800 0 F 0 0 700 0 F 0 0 999 9 F 0 0 700 0 F 0 0 999 9 F 0 0 700 0 F 0 0 600 0 F 0 0 900 0 F 0 0 600 0 F 0 0 999 9 F 200 210 220...

Страница 71: ...tput forward or reverse Displayed in the auto tuning PID operation In the heating cooling PID operation the movement is always reverse for heating and always forward for cooling Sets the hysteresis for the ON OFF operation HSc is displayed in the heating cooling PID operation Imposes restrictions on the amount of change per unit of time when control output values are changed The change rate limite...

Страница 72: ...or current output 0 0 100seconds When set to 0 minimum 250 msec For relay output 1 100seconds Note 1 This parameter is set for the heating in the heating cooling PID operation 8 7 CYc For current control output Sets the renewal period for control output For relay control output Sets the proportional period for control output CYc is displayed in the heating cooling PID operation CY ...

Страница 73: ...arm is an exciting or non exciting type Sets the hysteresis for the alarm Sets the delay between the time the value enters the alarm range and the time the alarm turns on Selects the type of alarm for AL3 Selects whether the alarm is an exciting or non exciting type Sets the hysteresis for the alarm Sets the delay between the time the value enters the alarm range and the time the alarm turns on Se...

Страница 74: ...limit of measurement range see Note 2 8 Measurement lower limit with standby operation Lower limit of measurement range see Note 2 9 Deviation upper limit with standby operation Measurement span or 9999 see Note 2 10 Deviation lower limit with standby operation Measurement span or 9999 see Note 2 11 Deviation upper and lower limits with standby operation Measurement span or 9999 see Note 2 12 Inpu...

Страница 75: ...etting input Filter for analog input Bias for analog input Extraction of the square root of setting input Low cut of setting input Remote setting tracking Note Use the same unit specified in the measurement input unit rSF rSb Selects the types of analog setting input Selects the range for analog setting input Uses primary delay filter to reduce the noise in analog setting input Adds a bias value t...

Страница 76: ... as measurement range Note 2 Ao1 1 measurement span Note 2 Ao1 3 or 4 0 0 100 0 1 AL 1 AH 0 Measured value 1 Deviation 2 Target setting 3 Control output 4 Cooling control output Note 1 0 Lower limit Upper limit 2 1 2 3 4 Note On models equipped with analog setting input 0 MAN AUT changing and analog setting input 1 LOC REM changing and analog setting input On models equipped with area switching co...

Страница 77: ...ing Lower limit Upper limit 3 Lower limit Upper limit 5 6 7 8 9 Lower limit for transmission output 2 Upper limit for transmission output 2 Type for transmission output 3 Lower limit for transmission output 3 Upper limit for transmission output 3 When Ao2 0 or 2 same as measurement range Note 2 Ao2 1 measurement span Note 2 Ao2 3 or 4 0 0 100 0 2 AL 2 AH 0 Measured value 1 Deviation 2 Target setti...

Страница 78: ...restoration Note 1 Output value for MAN mode change Note 1 Preset control output Operation after power restoration Note 3 Starting point for soft start 0 Held at the value just before error occurred 1 Held at the preset value 2 Held at output limiter lower limit Note 4 3 Held at 0 0 Held at value just before AT was started 1 Held at preset value 2 Held at output limiter lower limit 3 Held at 0 0 0...

Страница 79: ...0 Sets limiters for the lower and upper limits to restrict the range of target setting Selects the unit for the AREA setting soft start Selects which is used for the AREA setting a soft start time or a setting change rate limiter Sets the deviation range within which the Up and Down deviation LED will light up Selects which settings are locked 1 2 3 4 5 6 7 9 PG10 SVGr Settings Range Description N...

Страница 80: ...troller Selects the baud rate communication speed Select the proper interval to ensure the correct timing for transmitting and receiving bIt Add bPS Int 1 2 3 4 Range Description No Symbol Name Factory setting Notes 1 Communication Settings 2 Baud rates Setting Parity bits Data bits Stop bits 0 None 8 1 0 1200 bps 1 None 8 2 1 2400 bps 2 Even 8 1 2 4800 bps 3 Even 8 2 3 9600 bps 4 Odd 8 1 4 19200 ...

Страница 81: ...setting the measurement range lower and upper limits of the parameter See PG10 on page 79 Sets the soft start time so that a new setting is implemented gradually A value of 0 00 sets the soft start to OFF This item is shown when SSL 0 in PG10 Places restrictions on the amount of change for each unit of time when settings are changed A value of 0 sets the setting change rate limiter to OFF This ite...

Страница 82: ... 0 or I 0 Sets proportional band for the control output for cooling A value of 0 0 sets On and Off actions Displayed in heating cooling PID operation This item is not displayed when P 0 0 Restricts upper and lower limits for control output values oL is not displayed in heating cooling PID operation This item is not displayed when the control output is a relay output and P 0 0 Restricts upper limit...

Страница 83: ...r Control Responsiveness on page 51 for selecting a value Manual reset for cooling Dead zone see Note 2 Dead zone for cooling Control responsiveness selection See Note 4 Cr Mrc db 15 16 17 18 dbc Sets the manual reset value for cooling control output This item is displayed when Pπ0 0 Pcπ0 0 and I 0 in heating cooling PID operation Auto tuning PID operation Adds db value to a target set value and c...

Страница 84: ...re identify the specific area of the system where the trouble has occurred 2 Refer to the section Troubleshooting Guide for the isolated area and analyze the problem further to resolve the problem 7 1 Problem Area Generally the controller system problems are categorized as follows Controller problem Actuator control problem Sensor problem Remote external input problem Communication problem Each of...

Страница 85: ...s to the actuator There are three types of actuator control problems Actuator itself or its wiring problems Controller output problems Setting errors or usage outside of specifications 3 Sensor problems The controller receives a measured signal from the sensor shows it on the Measurement Display on the panel or calculates the deviations There are three types of sensor related problems Sensor itsel...

Страница 86: ... or line communication problems Isolating the Problem Area Determine your problem area by using the decision charts Perform the instructions in the center boxes answer the questions in the diamond and then go to the page shown under the determined problem area box YES NO NO YES YES 1 Can you read the panel display Did the FAIL lamp come on Go to page 92 NO No error displayable controller problem E...

Страница 87: ... controller problem No error displayable controller problem Did any error appear Did any error appear NO YES NO YES Example of error display Exx displayed Blinking display FAIL lamp on Go to page 95 Does system operate correctly as set in area Go to page 92 Go to page 89 Perform manual operation See Test Operation LOC MAN Mode page 37 Error displayable controller problem Does the operation panel w...

Страница 88: ...le of error display Exx displayed Blinking display FAIL lamp on Did any error appear Error displayable controller problem Does the operation work correctly Only when this option is installed Does communication work OK Communication problem The system is problem free YES NO Perform remote area switching operation See page 58 Do external contacts works correctly Go to page 89 Go to page 99 Go to pag...

Страница 89: ...and error code remains until the error has been corrected See parameter PG08 on page 78 The sensor signal is below 5 of the measurement range Recovery operation is defined by parameter PG08 item 1 and error code remains until the error has been corrected See parameter PG08 on page 78 The ambient temperature for the controller is more than 55 C occurs only during thermocouple input The error messag...

Страница 90: ...ror occurs with the input value during Auto tuning The error message is displayed until the DISP is pressed operation will follow the selection made for operation in the event of an Auto tuning error See parameter PG08 on page 78 The time for Auto tuning execution has exceeded the allotted time 4 hours per cycle The error message is displayed until the DISP is pressed operation will follow the sel...

Страница 91: ... of the setting limiter The error code is displayed until the error has been corrected Operation is executed with the limiter value RAM error has been detected All other indicators turn off except the FAIL indicator and error code All controller outputs are turned off Referenced input error has been detected All other indicators turn off except the FAIL indicator and error code All controller outp...

Страница 92: ...ing input range is correct Make sure that a setting input bias has not been set Supply the correct line voltage Connect the power to the terminals 1 2 and 3 Move the noise source away from the controller Insert an isolator etc to ensure that an insulated analog setting signal is input to each unit Set the measurement input range by referring to the parameter PG02 on page 69 Reset the bias to 0 onl...

Страница 93: ...d Refer to PG03 on page 71 Set the output upper or lower limiter appropriately when they can be changed by referring to the area setting items on page 48 Control is abnormal Even when Auto tuning has been performed the ideal PID constant is not obtained The control output does not go above or below a certain value Check that input signal cables and the controller power cable or load cables are sep...

Страница 94: ... the setting limiters only if this change is allowed by referring to parameter PG10 on page 79 Reset the soft start timer or setting change rate limiter to 0 by referring to the parameter PG10 on page 79 and the area setting value on page 48 Operating Panel Symptom Action Analysis Other Symptom Alarm operation is faulty Make sure the type of alarm excitation hysteresis setting or alarm timer are s...

Страница 95: ... LOC MAN When the voltages measured change proportionally Control valve may be the cause of the problem See instruction manuals for the control valve to continue analysis When measurement shows about DC 0V have the controller serviced When measurement shows about DC 14V the cable from the controller to the control valve is probably cut or disconnected check cable and reconnect it Control Output Ou...

Страница 96: ...L Lower limit of pressure sensor range PVH Upper limit of pressure sensor range PVF 0 PVb 0 3 Measure the sensor signal at the back panel by measuring the DC voltage between terminal 18 and terminal 21 Measured Voltage VDC 5V 3 1 PVL PVH Intermediate The secondary pressure value is proportional to the measured voltage Lower Limit 1 Upper Limit 5 Intermediate 3 PVH PVL 2 Secondary Pressure Value If...

Страница 97: ...ure there is no accumulation of dirt If the measured value is inadequate replace the pressure transmitter or the wires to it If the measured value is not stable check the signal wire shielding and the controller grounding 4 Measure the DC voltage between the terminal and the terminal of the pressure transmitter and confirm that the voltage reading is about 19 23V 5 Remove the pressure transmitter ...

Страница 98: ...the correct resistance for a given condition refer to the document that has the Pt100 standardized resistance values If the resistance is adequate have the controller serviced If the resistance reading differs largely from standard resistance have the sensor serviced If the reading is zero W or infinity go to the next step 4 Remove the sensor cables from the sensor terminal and measure the sensor ...

Страница 99: ...at the setting in item 1 of the parameter PG06 is correct See page 76 3 Measure the voltages of the contacts on the back panel terminals If the code is different this function cannot be used 12 13 14 15 16 Di1 COM Di2 Di3 Di4 Measure between the common and Di1 to Di4 while opening or closing each contact point If the setting is incorrect correct it About DC 5V or higher About DC 2V or lower Contac...

Страница 100: ...ot be used 12 13 14 15 16 Di1 COM 0 5V 1 5V 0 10V 0 20mA 4 20mA Between terminal 12 and 13 Between terminal 15 and 16 Type For DC 0 5V For DC 1 5V For DC 0 10V For 4 20mA For 0 20mA Voltage DC 0 5V DC 1 5V DC 0 10V DC 1 5V DC 0 5V Instructions 1 Measure between COM and Di1 while opening or closing the contact point 2 Measure the voltage between terminal 15 and 16 while varying the analog value For...

Страница 101: ...ns Model code SC F70 1 RS 232C SC F70 4 RS 422A SC F70 5 RS 485 The last digit should be either 1 4 or 5 3 Check that the settings in all items of the parameter PG12 are correct See page 80 If problems exist without using communication function analyze those problems first If the code is different this function cannot be used If incorrect settings are found correct them first and try again If the ...

Страница 102: ...page 11 for precautions 2 If an external analog input device is used the signal fluctuation must be as follows At the source 0 1 F S or less 3 Check that there is no electrical noise at the installation place or drifting or spikes in the AC power source 4 Observe any changes in fluctuation as you remove the transmission output cables the external input contact cable the alarm cables and communicat...

Страница 103: ... done in MAN LOC mode 1 Set the controller in the MAN LOC mode See page 25 2 Adjust the control output with the or key until the measured value almost reaches the target setting value 3 Wait until the value stabilizes a little below the target measurement value 4 Start a recorder to record the variation of the measured value 5 Quickly increase the control output 5 to 15 over the value set in step ...

Страница 104: ... band P 167 Kp L T Integral time I T Differential time D 0 5L 9 Entering the PID values determined in the previous step run the controller in AUT mode and verify its control responsiveness Note If the results do not meet your requirements change the PID values by referring to 3 6 PID Constants Fine Tuning Method on page 52 ...

Страница 105: ...e page 23 4 Set the target setting and measure the value 5 After the measurement value stabilizes decrease the P value and then change the target setting value 6 Decrease the P value until the measurement value oscillates with a constant amplitude 7 Specify the P value at this point as PBu and the cycle time of the oscillation as Pu sec 8 Determine the PID constants using the following equations P...

Страница 106: ...tting LED orange 5 AL1 AL4 Alarms surface emitting LED red 6 FAIL Fail status surface emitting LED red 7 UP Up deviation surface emitting LED orange 8 DOWN Down deviation surface emitting LED green 9 2 Measurement Input 1 Types 1 Thermocouple input Input values K J E T U L Signal source resistance Approximately 0 2mV W Input impedance 1MWmin 2 RTD input Input values Pt100 JPt100 Sensor current App...

Страница 107: ...measurement range 2 Setting resolution Depending on measurement input range 3 Setting limiters upper lower Arbitrary value within measurement input range 4 Soft start time 0 00 to 99 59 Note Unit selectable hour minute or minute second 5 Setting change rate limiter 0 0 to measurement span minute Note When set to 0 0 the setting change rate limiter is OFF 6 AREA function Number of AREAs 8 AREA swit...

Страница 108: ... 0 1 F S of input span 1 digit 4 Input compensation bias 5 of input span 5 Range setting Same as measurement input range 6 Input digital filter Primary delay filter 0 100 seconds variable Note Filter is OFF when set to 0 7 Allowable input voltage Within 12 V 9 4 Control Operation 1 Types of control operation 1 Auto tuning PID operation 2 Heating cooling PID operation 2 Control calculation period 0...

Страница 109: ...trol output type 9 5 2 Second Control Output OUT2 This is the cooling control output in the heating cooling PID operation This output becomes the transmission output 2 or the alarm output 4 AL4 respectively in Auto tuning PID operation DC current output 1 Output 4 20 mA 2 Load resistance range 600W maximum 3 Output impedance 5 MW minimum 4 Output accuracy 0 1 of span 5 Output resolution 11 bit min...

Страница 110: ...ng range 1 Measurement alarms Same as measurement input range 2 Deviation alarms 0 to measurement span or 0 to 9999 Note Unit decimal point position is the same as for measurement input 4 Operation hysteresis 0 to 10 of measurement span 5 Alarm timer 0 to 600 seconds for each alarm 6 Exciting Non exciting Selectable Note The FAIL alarm acts on non exciting settings only opening the relay contact i...

Страница 111: ...ment input range 2 Deviation DEV measurement span or 1999 to 9999 3 Set value SV The same as for the measurement input range Note Decimal point position is the same as for the measurement range for 1 2 and 3 4 Control output OUT 0 0 to 100 0 6 Output accuracy 0 1 of span 7 Output resolution 11 bits minimum 9 8 External Contact Input 1 When external analog setting input function is installed 1 Numb...

Страница 112: ...tion interface a Conforms to EIA RS 422A specify type at time of order b Conforms to EIA RS 485 c Conforms to EIA RS 232C 2 Protocol Conforms to ANSI X3 28 sub category 2 5 A4 2 Communication line 1 RS 422A 4 wire multidrop 2 RS 485 2 wire multidrop 3 RS 232C 3 wire point to point 3 Communication distance 1 RS 422A 1 km 3281 ft maximum 2 RS 485 1 km 3281 ft maximum 3 RS 232C 15 m 49 ft maximum Not...

Страница 113: ... 3 RS 232C 1 unit 8 Communication code ASCII JIS 7 bit code 9 Terminals 1 RS 422A 4 wire 2 RS 485 2 wire 3 RS 232C 3 wire Terminal No 33 34 35 36 37 SC F70 Signal Direction Host Remarks Receive data Receive data Transmit data Transmit data Signal ground Signal R A R B T A T B SG Terminal No 35 36 37 SC F70 Signal Direction Host Remarks Transmit receive data Transmit receive data Signal ground Sign...

Страница 114: ...age 3 V or more 3 V or less Logic 0 space 1 mark 9 10 Self Diagnostic Function 1 Check items 1 ROM RAM check 2 Input value check 3 CPU power monitoring 4 Watchdog timer 2 Error display 1 FAIL lamp lights for CPU error 1 1 3 4 above 2 Error codes for input error 1 2 3 Output in the event of error 1 When the FAIL lamp lights All output is turned OFF Note The alarm function can be used to detect the ...

Страница 115: ...als 3 Line voltage AC 90 V to AC 264 V including line voltage fluctuations 50 60 Hz rated AC 100V to AC 240 V 4 Power consumption 13 VA at AC 240V 10 VA at AC 100V 5 Effect of power outage No effect on operation if power outage is 50 msec or less 6 Warm up time 1 hour 7 Memory backup Data is backed up by a lithium battery Battery service life Approximately 10 years depends on product storage time ...

Страница 116: ...xcessive dust 4 Line voltage Within rated value 10 5 Power frequency Within rated value 5 6 Magnetic field 400 AT meter maximum 7 Warm up time 1 hour minimum 9 13 Shipping and Storage Conditions 1 Temperature 20 to 70 C 4 to 158 F 2 Humidity 95 RH maximum no dew 3 Vibration 5 m sec2 16 4 ft sec2 4 Shock 100 m sec2 328 ft sec2 ...

Страница 117: ...following cases 1 Malfunctions due to improper installation use handling etc by other than TLV Co Ltd authorized service representatives 2 Malfunctions due to dirt scale or rust etc 3 Malfunctions due to improper disassembly and reassembly or inadequate inspection and maintenance by other than TLV Co Ltd authorized service representatives 4 Malfunctions due to disasters or forces of nature 5 Accid...

Страница 118: ...tance Contact your representative or your regional office In North America 13901 South Lakes Drive Charlotte NC 28273 6790 U S A Tel 1 704 597 9070 Fax 1 704 583 1610 In Europe Main Office Dimler Benz Strassen 16 18 74915 Waibstadt Germany Tel 49 0 7263 9150 0 Fax 49 0 7263 9150 50 U K Office Priory Lodge London Road Cheltenham Gloucestershire GL52 6HQ U K Tel 44 0 1242 221180 Fax 44 0 1242 221055...

Страница 119: ...119 SC F70 SC F70 PID Operation Operating Instructions ...

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