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4. TROUBLESHOOTING

Phenomenon

Possible cause

User response

Set point not changed

Setting of alarm not
displayed

“ ” display
flickering

“ ” or “ ”
display output

• Set point limits not correct

• Ramp/soak command set to other

than (for the type with the
ramp/soak function)

• Alarm type set to "No alarm"

(Code: 0)

• Input error

• Heater break
• Control loop illegally connected

EEP-ROM data destroyed

• Input error

• Input switch pin illegally set (for

multi-input type)

• Set the correct Set point limits. (See

Page78.)

• Set the ramp/soak command to
. (See Page 60~63.)

• Set the alarm type to be set. (See

Page 55~59.)

• Check the input or sensor

connection and input switch pin
setting (for multi-input type). (See
Page 19~29, 40.)

• Replace the heater.
• Set the correct control loop.

• Replace the main unit.

• Check the input or sensor

connection. (See Page 19~29.)

• Set the input switch pin correctly.

(See Page 40.)

“----” displayed

• Input value incapable of being

displayed in four digits

• Make sure the input is appropriate.

Required parameter
not displayed

• Wrong lock level is specified.

• Set the right lock level. (See Page

44~46.)

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Содержание FUZZY LOGIC CN4800

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...M1791 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOUR...

Страница 3: ...3 CAUTION ON SAFETY 10 4 4 PANEL CUT DIMENSIONS 18 5 WIRING 19 5 1 CN4800 WIRING DIAGRAM When the output 1 is relay SPST output SSR drive output or current output 19 5 2 CN4800 WIRING DIAGRAM When the...

Страница 4: ...2 V FUNCTIONS 44 Lock 44 Auto tuning 47 Control function 51 Alarm 55 Ramp soak 60 Two set points 64 Analog output AO 65 Digital output 67 Manual operation 69 Remote SV 71 Output monitoring 72 VI SET U...

Страница 5: ...ontrol processing cycle time 82 APPENDIX 83 1 ERROR MESSAGES 83 2 POWER FAILURE 83 3 SPECIFICATIONS 84 4 TROUBLESHOOTING 89 5 PARAMETER LIST 91 ogy Group Quality Instrumentation Guaranteed 888 88 SOUR...

Страница 6: ...l E U indicates Engineering Units CN4800 The product conforms to the requirements of the Electromag netic compatibility Directive 89 336 EEC as detailed within the technical construction file number T...

Страница 7: ...the output switch pins inside the main unit See page 37 to 43 for details Either the conventional PID control mode or the fuzzy control mode which is effective in minimizing overshoot rate and outer c...

Страница 8: ...3 4 5 6 R1 DC1 F1 R2 DC2 F2 AL1 AL2 HB Number of Outputs CN4801 single output CN4802 Dual output Contents Output 2 Relay dc pulse Current DC 4 20mA Output 1 Relay dc pulse Current DC 4 20mA Alarm func...

Страница 9: ...gle Output CN48X2 Dual Output Alarm function 1pt 2pts HB alarm Front panel English DI C4 PV RSP Control output 1 Relay dc pulse Current DC 4 20mA Control output 2 Relay dc pulse Current DC 4 20mA Inpu...

Страница 10: ...Current input resistance 250 Not delivered for TC PT input type 1 1 1 Suffix means revision control 4 INSTALLATION 4 1 INSTALLATION PLACE Please verify if where the controller is mounted there is no 1...

Страница 11: ...bottom of the controller s outer case With an instrument screwdriver turnthescrewinthemountingbracketuntiltheend of it touches the back of the panel Do this to both brackets Making sure that the face...

Страница 12: ...peration of the controller where the temperature probe is to be installed into an environment where voltage exceed 50VDC it is essen tial that reinforced isolation or basic isolation and earth the mai...

Страница 13: ...recommended to protect the relay output from switch ing surge and to ensure a long life Type 1821 101 power voltage 120V 1821 102 power voltage 240V Mounting position Connected to relay control outpu...

Страница 14: ...nstrument Some parts of the instrument are limited in life or are subject to secular change WARNING It is essential that when the controller is introduced into a system which uses or generates a hazar...

Страница 15: ...fire An explanation of creepage and clearance is given in the following diagram Clearance mm Creepage mm Voltage used or generated by the other assemblies 0 2 1 2 Up to 50Vrms or V DC 0 2 1 4 Up to 1...

Страница 16: ...em has basic insulation Heater Break Circuit Make sure installed system has basic insulation around this connection Thermocouple RTD Voltage or Current Communication card Expansion card X X Y Y Except...

Страница 17: ...y to be directly transmitted to the body A place exposed to water oil chemicals vapor steam etc A place with much dust salt or iron component A place with much inductive disturbance static electricity...

Страница 18: ...output or alarm output connect a surge absorber to the conductor coil Example 1821 101 4 When the power source has much noise use an insulating transformer together with a noise filter Noise filter s...

Страница 19: ...ained at the time of occurrence of trouble Be sure to check the function prior to operation 2 Do not stop the device forcedly during auto tuning as it affects the control action When it needs to stop...

Страница 20: ...CN4800 45 0 0 8 92 0 0 8 a 0 0 8 92 0 0 8 When mounting one unit When mounting multiple n units 2 n 6 Units a 2 93 3 141 4 189 5 237 6 285 For CN4810 Units mm 100 or more 115 or more 92 0 0 8 92 0 0...

Страница 21: ...the accessorie resistance 250 Make sure that the setting pin is in the appropriate position according to page 40 8 TC input Pt input Voltage input 9 10 8 9 10 8 9 10 Pt Current input 8 9 10 N C N C N...

Страница 22: ...1 is available in the case of the digital output type Option For digital input For AO output For current transformer input For RS485 transmission 11 12 11 12 11 12 11 12 TRX TRX For remote SV input 1...

Страница 23: ...8 9 10 N C N C N C 250 Input NOTE For current input 4 20mA use the accessorie resistance 250 Make sure that the setting pin is in the appropriate position according to page 40 1 2 4 5 6 7 8 9 10 11 1...

Страница 24: ...gital input For AO output For current transformer input For RS485 transmission 11 12 11 12 11 12 11 12 TRX TRX For remote SV input 11 12 11 For control output 2 relay output For control output 2 SSR d...

Страница 25: ...Option Output 15 16 Pt N C N C N C 250 18 15 16 18 15 16 18 15 16 18 For TC input For Pt input For voltage input For current input NOTE For current input 4 20mA use the accessorie resistance 250 In th...

Страница 26: ...relay output For SSR drive output For current output Control output 2 12 14 DC V DC 4 20mA 13 N O N C 12 14 13 12 14 13 For relay output For SSR drive output For current output Alarm 5 7 6 ALM COM ALM...

Страница 27: ...ion 10 TRX TRX 11 10 11 10 10 11 11 For digital input For AO output For current transformer input For RS485 transmission 10 11 For remote SV input ogy Group Quality Instrumentation Guaranteed 888 88 S...

Страница 28: ...tion Input 15 16 Pt N C N C N C 250 18 15 16 18 15 16 18 15 16 18 For TC input For Pt input For voltage input For current input NOTE For current input 4 20mA use the accessorie resistance 250 In the c...

Страница 29: ...ut For SSR drive output For current output For digital input For AO output For current transformer input For RS485 transmission 10 TRX TRX 11 10 11 10 10 11 11 10 11 For remote SV input Option Alarm 5...

Страница 30: ...supply used should be the same for the CN4800 and Heater Use shielded wires for input wires Keep them away from output wires Noise Take the following measures when there is serious noise induction in...

Страница 31: ...oportion cycle 20 sec and above SSR proportion cycle 2 sec and above approximately contact output life mechanical 10 million times no load electrical 100 thousand times nominal load Relay contacts wil...

Страница 32: ...ol output 1 monitor lamp Control output 2 or remote operation monitor lamp Alarm 1 lamp Alarm 2 lamp SELECT Registration DOWN key UP key CARRIAGE Registration PV SV OUT1 SEL CN4811 PV SV SEL CN4821 OU...

Страница 33: ...ue During auto tuning or manual operation the display of or and set point value alternate Control output 1 monitor lamp Output 1 OUT1 Lights when Output 1 is ON it does not light for the current outpu...

Страница 34: ...pressing this key for about 3 sec switches between the operation mode and parameter setting mode DOWN key Used to select parameters and to decrease set values Continuing to press this key results in...

Страница 35: ...this device includes the Operation Mode where measured and set values are displayed and the Parameter Setting Mode where various parameters are set To switch between the operation and parameter setti...

Страница 36: ...splayed unless the transmission option is provided Parameter Setting Mode Operation Mode SEL Continue to press key for about 3 sec or SEL or SEL The numeric value shown in the left hand figure is only...

Страница 37: ...git flickers 3 Set to be changed the data with the and keys 4 Press the SEL key or repeat pressing the key until it stops flickering the set changed data is registered NOTES If no operation is made fo...

Страница 38: ...ter left digit flickers and data of that digit is changeable PV SV PV SV The center right digit flickers and data of that digit is changeable The rightmost digit flickers and data of that digit is cha...

Страница 39: ...ayed steps 3 and 4 need not be executed IV SETTING INPUT AND OUTPUT TYPES After completing wiring make sure that the measured value is of the right type before operating the device Changing input Sett...

Страница 40: ...at pressing the key until parameter is displayed 6 Set parameter to the desired specifications following SEL Display unit 0 1 C display F display Decimal point display 0 1 No decimal point 0 1 C F dis...

Страница 41: ...0 600C 50 100C 100 200C 150 600C 0 400C 0 800C 0 400C 0 800C 0 1200C 0 1600C 0 1800C 199 9 200C 150 400C 0 800C 199 9 800C 0 1600C 0 1300C 199 9 400C 0 2300C 0 1300C 32 302F 32 572F 32 932F 32 1112F 5...

Страница 42: ...Lower Upper CN4801 CN4811 CN4821 Input selection SW Lower Upper PV SV OUT1 SEL OUT2 ALM1 ALM2 PV SV SEL OUT1 OUT2 ALM1 ALM2 Switching from Pt or TC input to voltage current input Switching from volta...

Страница 43: ...ue equivalent to the 100 input is set 1999 9999 minimum value on scale Engineering value equivalent to the 0 input is set 1999 9999 decimal point location Decimal point location is set see below 0 2 N...

Страница 44: ...Desire type of control output 1 Switching Relay SPDT output SSR drive output Current 4 20mA output Switch the pin J2 in the figure below to the RY position Switch the pin J2 in the figure below to th...

Страница 45: ...rly made according to the page 27 2 The current 4 20mA output is made regardless of the position of the switching pin J2 in the case of the universal output However only one type of output can be conc...

Страница 46: ...iss settings There are four lock levels 0 to 3 Parameters corresponding to each lock level are displayed Setting the lock level to 0 disables changing of all parameters other than Parameters for each...

Страница 47: ...45 ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 48: ...all parameters Setting of only set point allowed Use this level when no parameter other than the set point is changed Setting of normally set parameters allowed Use this when normal parameters are se...

Страница 49: ...Standard type including over shoot and Low PV type suppressing overshoot Type is the system in which the measured value PV exceeds the set point value SV overshoot during autotuning Use this type wher...

Страница 50: ...PID control During AT the ON OFF operation 2 point operation is provided where the measured value PV vibrates ON ON OFF OFF ON 100 OFF 0 SV 10 FS AT started AT terminated PID determined AT arithmetic...

Страница 51: ...g AT the ON OFF operation 2 point operation is provided where the measured value PV vibrates Control output 2 ON ON OFF OFF OFF OFF ON ON ON 100 OFF 0 ON 100 SV 10 FS AT started AT terminated PID dete...

Страница 52: ...occurring c When the set value SV has changed by more than 0 5 FS per 0 5 second during auto turning d Auto tuning not terminated within 12 hours 3 Do not execute auto tuning when the ramp soak functi...

Страница 53: ...e fuzzy control mode This parameter is automatically set with auto tuning Integral time Set the integral time in sec units 0 3200 sec Setting to 0 provides no integral operation This parameter is auto...

Страница 54: ...units 0 100 FS E U This parameter is automatically set by executing auto tuning Manual resetting value When control includes only the P operation it generates offset To eliminate this add the manual r...

Страница 55: ...to external disturbances See the section describing control type setting page75 NOTES 1 The dual output type does not allow use of fuzzy control 2 Though the fuzzy control also requires setting of par...

Страница 56: ...ng side Offset Offset Overlap band Dead band Set point value SV Dead overlap band Used to separate dead and overlap the heating and cooling side output as shown in the figure below 50 50 Cooling side...

Страница 57: ...m relay Multi alarm Operation procedure Alarm 1 type Alarm 2 type Setting 1 Setting 2 Setting 3 Setting 4 Each one selected from A group Selection from B group For the setting in the above figure the...

Страница 58: ...High low limit deviation High low limit deviation with holding feature High low limit deviation inverted High low limit deviation inverted with holding feature No alarm used 0 1 2 9 3 4 A 5 6 B 7 C 8...

Страница 59: ...m 2 set point 1 alarm 2 set point 2 alarm 2 set point 3 alarm 1 hysteresis 1 Sets the hysteresis for alarm alarm 1 hysteresis 2 alarm 1 hysteresis 3 alarm 2 hysteresis 1 alarm 2 hysteresis 2 alarm 2 h...

Страница 60: ...utput MV value to switch to less 0 or more 100 and the input PV value not moved more than 3 FS elapsed the time defined in parameter then the message will appear and loop break alarm turns ON 2 This d...

Страница 61: ...S36 8F 5 Heater break alarm is not available in the following cases 1 Control output 1 is SSR drive output or current output 2 Control output 1 is relay 1c contact output and the heater is ON on the...

Страница 62: ...ately prior to the end of the program set the parameter to 0 control continue Note that with this setting the control will be continued even if abnormal input takes place Powering on can automatically...

Страница 63: ...be made Yes No first ramp target value Sets the target value SV during each ramp 0 100 FS E U second ramp target value third ramp target value fourth ramp target value first ramp segment time Sets the...

Страница 64: ...for 100 hours When the time for rest is less than 100 hours example for 99 hours and 59 min present point of program It displays the program run status as shown in the following table This parameter c...

Страница 65: ...Wiring starting on the page 19 The operations will be as follows External contact input takes place at the time when the contact status ON OFF changes edge detection NOTE 1 Do not use the auto tuning...

Страница 66: ...Main Set point Main Set point Sub Set point Target value DI input OFF OFF ON Parameter to be used Two set points This function is an option Two set points Changes setpoint with external contact input...

Страница 67: ...he desired output signal type scale high limit scale low limit Set the parameters and to the signal type values corresponding to the 5V and 1V output respectively of AO Percentage against the input ra...

Страница 68: ...output when PV values are at 200 600 C 800 C 600 C 200 C 0 AO output 5 V 1 V AO signal type PV value 600 C 75 of input range 200 C 25 of input range Setting 75 0 25 0 Measured value NOTE 1 must be gre...

Страница 69: ...tion No Set the station number 1 31 Perform transmission in accordance with the CN4800 Transmission Protocol Specifications The available commands are for polling parameter read selecting parameter wr...

Страница 70: ...otherwise the memory contents are destroyed and disabled 2 This unit requires a time length of 100 to 120mS as the interval from completing reception of a command from the host before returning the re...

Страница 71: ...e Run screen Set point value Set the manipulated variable to be output in units into the SP field of the operation screen 3 0 103 0 Supplementary descriptions 1 The normal PID or fuzzy control status...

Страница 72: ...l mode 4 Power supply is off during manual operation the value of becomes 0 0 5 When the manipulated variable is changed during manual operation the proportion cycle being output at that changing poin...

Страница 73: ...ing remoteoperation thesetvalue SV oftheautomaticmodewillbethesameas the set value of the remote control The set value will be switched by bumpless 3 The set value will be the low limit when the remot...

Страница 74: ...single output or dual output heating side MV is displayed in percent 3 0 to 103 0 MV for output2 The currently output value of dual output cooling side MV is displayed in percent 3 0 to 103 0 NOTES 1...

Страница 75: ...status Setting procedure input filter constant Set the filter time constant in sec units 0 0 900 0 sec 0 input filter function is not active The filter effects increase as this setting becomes larger...

Страница 76: ...ecorder or an indication instrument or when the sensor is not in the right position and therefore the PV must be adjusted Setting procedure PV shift value Set the shift value to be added to PV 50 50 F...

Страница 77: ...trol However it need not be tuned particularly for the fuzzy The values are allowed to be the same as those for PID control 2 The fuzzy control mode also allows use of the autotuning function 3 Fuzzy...

Страница 78: ...referencing the following table Parameter to be used Code No Control output 1 0 1 2 3 4 Going on control 3 103 3 103 Control output 2 Going on control 3 103 103 3 Supplement 1 Set the parameter to 0...

Страница 79: ...0 NOTES 1 Setting must always be made to satisfy the condition of 2 Limiting is not valid during manual operation 3 Auto tuning provides the 0 100 range output regardless of limiting 4 The limiter is...

Страница 80: ...igh limit Set point Setting allowable range Setting procedure Set point high limit Set point low limit Set the Set point high and low limits within the input scale 0 100 range 0 100 FS E U NOTES Setti...

Страница 81: ...time is called the output proportion cycle time Output proportion cycle OFF time ON time Setting procedure Output 1 side proportion cycle time The output proportion cycle time is set in sec units 1 1...

Страница 82: ...80 Supplement 1 and are not displayed in the case of current output 2 is not displayed in the case of single output type ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 83: ...trol Setting operation on the control output 1 side Set the operation modes for control 1 and 2 as indicated below operation on the control output 2 side Parameter to be used Reverse operation heating...

Страница 84: ...ime Control processing cycle time This function is not supported now Please set 0 5 sec to dT parameter Cf Dellivery value of dT parameter is 0 5 sec Parameter to be used ogy Group Quality Instrumenta...

Страница 85: ...e Display Cause Control output 1 Thermocouple sensor burn out 2 Thermoresistance sensor disconnection 3 Input exceeding 105 of the input range 1 Thermoresistance sensor disconnection 2 Thermoresistanc...

Страница 86: ...at 23 C Temperature drift 0 3 FS 10 C Reference contact temperature compensation adjustment 1 0 C Input sampling cycle time 500msec Input impedance Thermocouple 1M or above Current input externally mo...

Страница 87: ...ge DC9V 24V OFF voltage DC0 5V or below Maximum current DC20mA Load resistance 600 or above Current output DC4 20mA Ensured output range DC3 52mA 20 48mA 3 103 Accuracy 5 FS Linearity 2 FS Resolution...

Страница 88: ...above Insulation resistance DC500V 20M or above Control function PID or fuzzy control selectable Basic PID type Position type Proportional band P 0 0 999 9 P 0 ON OFF control Integration time I 0 320...

Страница 89: ...Relay contact output Alarm relay also used for this Heater break alarm input signal option 1 30A CT CTL 6 SF 20 50A CT CTL 12 S36 8F used However the output proportion cycle time must be 20 sec or abo...

Страница 90: ...em Transmission system Half duplex bit serial Synchronous system start stop synchronization Coding data length 8 bit Parity odd Transmission rate 9600BPS Number of units connectible 31 units Transmiss...

Страница 91: ...correct Set point limits See Page78 Set the ramp soak command to See Page 60 63 Set the alarm type to be set See Page 55 59 Check the input or sensor connection and input switch pin setting for multi...

Страница 92: ...rming The control output relay has been switched on not long enough Output proportion cycle time too short If the control output relay does not get triggered at least 1 sec after powering on the corre...

Страница 93: ...tting function sub set point setting range 0 100 FS E U Ramp soak proceeding status is displayed with a symbol No setting display OFF 1 RP 1 SK 2 RP 2 SK 3 RP 3 SK 4 RP 4 SK END The ramp soak proceedi...

Страница 94: ...egment time hour min setting range 00 00 99 59 Ramp soak power on start command setting range NO YES setting range 0 0 999 9 PROG SV 1 TM1R TM1S SV 2 TM2R TM2S SV 3 TM3R TM3S SV 4 TM4R TM4S P ON P Ram...

Страница 95: ...alarm 1 1 setting range 0 100 FS D E U Not displayed except when P 0 At 0 integration operation turns off At 0 derivative operation turns off Not displayed unless control output 2 is provided 2 point...

Страница 96: ...m 2 2 Set point Alarm 2 2 hysteresis 2 3 2 3 2 2 3 2 3 0 FS E U 0 5 FS D E U 0 FS E U 0 5 FS D E U 0004 1000forthe HB fitted 10 C F 0 FS E U for the HB fitted 0 5 FS D E U 0 FS E U 0 5 FS D E U Not di...

Страница 97: ...B A CT PVT PVF PVB PVD TF Alarm 2 3 Set point Alarm 2 3 hysteresis Loop break alarm Set point Heater break alarm Set point Heater current PV type Full scale Base scale Scaling decimal point location I...

Страница 98: ...scale Control operation system Control operation cycle time Control output 1 direct reverse operation selection Control output 2 direct reverse operation selection Control output 1 output proportion...

Страница 99: ...put setting in input abnormal AO output type AO scaling full scale AO scaling base scale Station No 3 3 3 3 3 3 2 100 0 0 0 1 100 0 0 0 1 Not displayed unless AO is provided Not displayed unless trans...

Страница 100: ...98 MEMO ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 101: ...99 MEMO ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE...

Страница 102: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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