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Remove the Packing List and verify that you have received all
equipment. If there are any questions about the shipment, please
call the OMEGA Customer Service Department at 1-800-622-2378
or (203) 359-1660.

Upon receipt of shipment, inspect the container and equipment for
any signs of damage. Note any evidence of rough handling in
transit. Immediately report any damage to the shipping agent.

NOTE

The carrier will not honor any claims unless all shipping
material is saved for their examination. After examining and
removing contents, save packing material in the event
reshipment is necessary.

READ THESE CAUTIONS BEFORE YOU INSTALL,
OPERATE, OR SERVICE YOUR CN9000A

For safe use apply good engineering practices applicable to all
products of this type.

1. Install in a grounded metal enclosure, prevent live parts from

being touched and ground sensor sheaths to avoid possible
shock hazard.

2. Wire according to the information in this manual and conform

with the appropriate standards and regulations.

Output number 2 should not be used as an alarm in a safety circuit
where damage or personal injury may be caused by equipment
failure. A separate unit should be used, instead.

SECTION 2 INSTALLATION

2.2 CAUTIONS AND MOUNTING INSTRUCTIONS

INSTALLATION CAUTIONS

ALARM CAUTION

2.1 UNPACKING

CAUTION

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Содержание C9000A SERIES

Страница 1: ...omega com e mail info omega com For latest product manuals omegamanual info C9000A SERIES Autotune Temperature Controller Shop online at User sGuide ...

Страница 2: ...80 Guyancourt France TEL 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in France 0800 466 342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de United Kingdom One Omega Drive River Bend Technology Centre ISO 9002 Certified Northbank Irlam Manchester M44 5BD Unit...

Страница 3: ...4 1 Selecting Sensor and Adjusting Setpoint 3 4 2 Changing the Allowable Setpoint Default Range Function 24 3 5 Parameter Adjustments Standard Functions 3 5 1 Keying in Standard Functions 3 5 1 1 Example of Programming Functions 0 1 2 3 23 3 5 1 2 Example of Programming Functions 19 2 SP2 3 5 1 3 Example of Programming Functions 24 and Special Case of Function 2 3 5 1 4 Details of Standard Functio...

Страница 4: ...ional Diagnostics 4 3 1 Diagnostics Functions 38 49 4 3 2 Duty Cycle Monitor DCM Function 42 4 3 3 Autotune Tuning Data Functions 43 49 SECTION 5 TUNING 5 1 Autotune 5 1 1 Autotune AT 5 1 2 Using Autotune AT 5 1 3 Autotune PT Push to Tune Function 0 Option 2 5 1 4 To Abort Autotune 5 1 5 Over riding Autotune Values 5 1 6 Autotune Hints 5 1 7 Autotune Value Display 5 1 8 Proportional Cycle Time 5 2...

Страница 5: ...TION 6 1 Display Offset 6 2 Recalibrating to a Remote Standard 6 2 1 Sensor Error Correction Function 9 6 2 2 Sensor Span Adjust Function 35 SECTION 7 115 230 VAC AND 2 WIRE 3 WIRE RTD CONVERSIONS 7 1 To Remove Main PC Board 7 2 115 230 VAC Voltage Conversion 7 3 2 Wire 3 Wire RTD Conversion 7 4 Installing the Triac 4 20mA and 0 10 VDC Output Options SECTION 8 SPECIFICATIONS APPENDIX A Function Qu...

Страница 6: ...This page is intentionally blank iv ...

Страница 7: ...ortional Derivative Proportional or On Off control The CN9000A controllers are well suited to a broad range of applications and are easy to install and operate For most applications the user need only select the desired input type by using the front pushbuttons The CN9000A is pre set for control parameters which are suitable for most applications These pre set or default parameters can be changed ...

Страница 8: ... with the ability to retain data for up to 10 years with no power Refer to Figure 1 1 and Table 1 1 for the CN9000A model number information Refer to Figure 1 2 and Table 1 2 for the plug in replacement output board and socket model number information for the CN9000A SSD output is a Solid State Driver 5 Volt DC Pulse designed to be used with a DC controlled solid state relay such as OMEGA s model ...

Страница 9: ...ay CN9151A 0 10 VDC Relay CN9211A Relay Relay CN9212A Relay 5VDC SSD CN9221A 5VDC SSD Relay CN9222A 5VDC SSD 5VDC SSD CN9231A 1 A Triac Relay CN9241A 4 20 mA Relay CN9251A 0 10 VDC Relay For 230 VAC add 230VAC at the end of the part number SSD output is a Solid State Driver 5 Volt DC Pulse designed to be used with a DC controlled solid state relay Thermocouple 2 Wire RTD Linear Millivolt Signal 3 ...

Страница 10: ...12A Relay 5VDC SSD BD9022A 5VDC SSD 5VDC SSD BD9031A 1 Amp Triac SSR Relay BD9041A 4 20 mA DC Relay BD9051A 0 10 VDC Relay Requires that BD9021A is already installed in the controller For 230 VAC models add 230VAC to the part number CODE Output No 2 1 3A Mech Relay 2 5VDC SSD CODES for Output No 1 1 5A Mechanical Relay 2 5VDC Solid State Driver Pulse 3 1A Triac SSR 4 4 20 mA DC 5 0 10 VDC BD90 A ...

Страница 11: ...g material in the event reshipment is necessary READ THESE CAUTIONS BEFORE YOU INSTALL OPERATE OR SERVICE YOUR CN9000A For safe use apply good engineering practices applicable to all products of this type 1 Install in a grounded metal enclosure prevent live parts from being touched and ground sensor sheaths to avoid possible shock hazard 2 Wire according to the information in this manual and confo...

Страница 12: ... Slide the controller into the panel cutout from the front Slide the mounting clip back onto the controller from the rear Press to home position until the clip holds the unit firmly in place If necessary the mounting can be further tightened using the jacking screws Plug the rear socket back into place on the controller To remove the controller from the panel pull the legs of the mounting clips aw...

Страница 13: ...s are available using a plug in replacement combination socket These outputs are a 1A Triac SSR 0 to 10VDC or a 4 to 20 mA DC output They are described in Table 1 2 Figure 2 3 shows the rear view of the controller and designates which signals connect to the terminals The chart directly following Figure 2 3 details the actual connections NOTE When mounting multiple units allow 3 1 2 inches from cen...

Страница 14: ...put 1 SP1 Mech Relay N O 1 A SSR N O 5V Pulse 0 10V or 4 20 mA 10 Output 1 SP1 Mech Relay C 1A SSR C 5V Pulse 0 10 V or 4 20 mA 11 Output 1 SP1 Mech Relay N C or 1A SSR N C Check side label on controller for supply voltage before wiring Your choice of thermocouple types J K T E R S N B J DIN and the Pt100 2 wire RTD inputs are selectable via the keys on the CN91XXA version of the controller The CN...

Страница 15: ...C 50 60Hz 230VAC operation is optional Connections for Thermocouple Connections for 2 wire Pt 100 RTD Connections for 3 wire Pt 100 RTD 2 4 TYPICAL WIRING DIAGRAMS Figure 2 5 Wiring Heater with Alarms Two Mechanical Relays Model CN9111A LOW ALARM OR WITHIN LIMITS SIGNAL HIGH ALARM OR OUT OF LIMITS SIGNAL ALARM SIGNAL SUPPLY LOAD 5A max 115V 15 50 60 Hz N L ...

Страница 16: ...e as immune as possible to electrical interference However electrical noise suppression may be required in some applications particularly if the output of the controller is firing a contactor or coil A noise suppression kit is available for use with 115VAC OMEGA part no 1821 101 consists of an RC network or metal oxide varistor MOV TYPICAL WIRING FAST BLOW FUSE L N COOLING WATER 3A max SOLENOID VA...

Страница 17: ...ough the front panel keys Refer to Table 3 1 Controls and Indicators and Table 3 4 Standard Functions 0 through 25 The CN9000A allows the user to use autotune rather than the default settings In the autotune mode the controller will attempt to select the optimum PID settings Figure 3 1 and Table 3 1 illustrate the controls and indicators of the CN9000A Series Controller SECTION 3 OPERATION 3 1 GEN...

Страница 18: ...et Up Mode Functions are the available controller facilities e g Derivative Options are the available values for each Function e g Derivative value 50 seconds When in the Set Up Mode remember that the Function numbers are on the RIGHT and the Option numbers are on the LEFT of the floating decimal point These three LEDs display the difference between set point and process temperatures in five steps...

Страница 19: ... in Section 3 13 ITEM CONTROL INDICATOR FUNCTION 3 SP1 Output Indicator 4 SP2 Output Indicator 5 Control Keys When pressed displays the SP1 temperature Pressed simultaneously increases the SP1 temperature value Pressed simultaneously decreases the SP1 temperature value Selects Set Up Mode entry into the Function and Option commands refer to Table 3 4 Display flashes normal temperature control is m...

Страница 20: ...l Time Reset 350 seconds To use the controller with the Default settings requires only that the correct Option number of the sensor selected from Table 3 3 Sensor Default Setpoint Range Table be keyed into the instrument Also check that the instrument is set to either C or F as required Refer to Function 22 in Table 3 4 Also check that the desired control temperature is within the Setpoint Default...

Страница 21: ...ature controller The square LED is illuminated showing the SP1 output is energized To view the setpoint temperature To re adjust the setpoint value at any time 2 3 4 Refer to Table 3 2 for getting started with the commonly needed Default settings of the control parameters Changing from the Default values will be covered in subsequent sections To operate with Autotune Settings refer to Section 5 1 ...

Страница 22: ...peratures over the full linearized range shown in Table 3 4 Function 16 The Default setpoint full scale automatically selected by choice of sensor may be altered to any value within the linearized band Table 3 4 Function 16 by using the following procedure to adjust Function 24 Refer to Section 3 5 for more details on adjusting Functions Steps 1 through 6 are used to change the upper limit of the ...

Страница 23: ...now displayed Press the button to check the setpoint value 4 5 6 7 8 9 10 Note If the Default setpoint range maximum is not suitable it can be increased or decreased to any desired value within the linearized band Fn 16 Min Max Option Type C F 1 J Iron Constantan 0 400 32 800 2 K CHROMEGA ALOMEGA 0 400 32 800 3 N Nicrosil Nisil 0 400 32 800 4 R Pt 13 Rh Pt 0 1600 32 1999 5 S Pt 10 Rh1Pt 0 1600 32 ...

Страница 24: ...teristics it is important that when required they should be made during initial set up to avoid the need for re tuning If the temperature units scale C or F is changed it is essential to change the upper bezel to correspond to the units selected supplied with controller If you are having difficulty in adjusting the Options refer to Section 3 13 Parameter Lock since the unit may be in the locked mo...

Страница 25: ...d Control begins with the new instructions now entered into memory 3 5 1 1 Example of Programming Functions 0 1 2 3 23 STEP ACTION DISPLAY 1 2 3 4 5 6 7 The following steps apply only to Functions 0 23 Section 3 6 covers more examples Press P Option 0 Function 0 flashing Press and Hold until you see 0 16 Function flashing Press Option flashing Press 2 times Option flashing Press and repeat steps 3...

Страница 26: ...Programming Functions 19 2 SP2 STEP ACTION DISPLAY 1 2 3 4 5 6 NOTE When using SP2 as a tracking second setpoint deviation from first setpoint Function 19 Options 1 2 3 or 7 will enable the second setpoint and Function 2 is to be used to set the differential value between the first and second setpoint Press P Option 0 Function 0 flashing Press until you see 0 19 Function flashing Press Option flas...

Страница 27: ...the lower front bezel is in the Parameter Setting position the jumper should be on the two right most pins Refer to Section 3 13 if necessary To convert the main display from a temperature read out to the Function Option Mode To change from Function 0 to Function 24 STEP ACTION DISPLAY 7 8 9 10 1 2 3 Repeatedly Press until you see 0 2 Function flashing Press Option flashing Press to increase value...

Страница 28: ...ions Press P If 20 seconds is not a suitable Proportional Cycle Time for the process the correct value for Function 4 can be preselected before Autotune AT Protected Functions All Functions except user settings Functions 1 2 and 3 may be locked into memory after setting to prevent tampering Put small jumper socket beneath lower bezel to left pair of pins Section 3 13 Locating Standard Functions Fu...

Страница 29: ...ssed 0 OPERATING MODES Autotune Auto manual Op Fn Parameter Comment XXX 1 Adjusting the offset enter in the amount of the offset in 1 steps max to 127 or one half of the proportional band 1 MANUAL RESET NOT USED IN PID Op Fn Parameter Comment 0 0 Normal Operation 1 0 Start Autotune AT Refer to Section 5 1 2 0 Start Autotune PT Refer to Section 5 1 3 0 Park Mode turns output 1 off 4 0 to 100 0 Manu...

Страница 30: ...gree resolution The second setpoint tracks the first setpoint Therefore if the first setpoint is changed the second setpoint changes along with it If Function 19 is set to Option 4 or 5 then the actual temperature is set for alarm independent of the first setpoint non tracking Not protected by the Parameter lock jumper User must set up Function 19 first then Function 2 Refer to Function 19 Functio...

Страница 31: ...Latest calculated AT value This is the percent of the Span allowable setpoint range both below and above setpoint in which proportion action is active Output is 100 at the bottom of the proportion band 0 at the top and proportional in between If ON OFF Control was selected Function 4 Option 7 then this selection represents deadband hysteresis or the amount the temperature must fall after reaching ...

Страница 32: ... 14 7 14 5 100 50 15 5 AT value TABLE 3 4 Cont d FUNCTION 5 Cont d PROPORTIONAL BAND DEADBAND OUTPUT 1 Refer to Section 5 6 Set to OUT Option 1 if Proportional Only Control is desired Note You will not see 15 5 on the display The actual AT value in will appear at the left side of the display 6 DERIVATIVE TIME RATE OUTPUT 1 Op Fn Parameter Comment 0 6 25 sec 1 6 OUT 2 6 5 sec 3 6 10 sec 4 6 50 sec ...

Страница 33: ...meter Comment 6 6 200 s 7 6 1 sec 8 6 2 sec 9 6 3 sec 10 6 7 sec 11 6 15 sec 12 6 20 sec 13 6 35 sec 14 6 75 sec 15 6 AT value Note You will not see 15 6 on the display The actual AT value in seconds will appear at the left side of the display 7 DERIVATIVE APPROACH CONTROL DAC OUTPUT 1 Used to eliminate derivative action during system warm up time Refer to Section 5 7 Note You will not see 7 7 on ...

Страница 34: ... Section 5 5 Op Fn Parameter Comment 0 10 ON OFF 1 10 1 sec 2 10 5 sec 3 10 10 sec Options continued on next page Note You will not see 14 8 on the display The actual AT value in minutes will appear at the left side of the display 9 SENSOR OFFSET CALIBRATION 10 CYCLE TIME ON OFF OUTPUT 2 Provides correction at one single temperature Adjust in 1 steps 127 max Refer to Figure 6 1 for the Sensor Erro...

Страница 35: ... 11 1 5 x range 0 75 9 11 4 x range 2 10 11 6 x range 3 11 11 7 x range 3 5 12 11 8 x range 4 13 11 14 x range 7 14 11 100 x range 50 Op Fn Parameter Comment 4 10 20 sec 5 10 60 sec 6 10 Not Used 7 10 30 sec 8 10 2 sec 9 10 3 sec 10 10 7 sec 11 10 14 sec 12 10 45 sec Non linear ranges for Cool Strategy 13 10 0 15 10 sec 14 10 0 15 20 sec 15 10 0 06 15 sec not recommended with mechanical relay 11 P...

Страница 36: ...imes integral time Refer to Section 4 2 TABLE 3 4 Cont d FUNCTION 12 LOOP BREAK ALARM TIME Op Fn Parameter Comment 0 12 OUT 1 12 1 min 2 12 2 min 3 12 4 min 4 12 6 min 5 12 8 min 6 12 10 min 7 12 15 min 8 12 20 min 9 12 30 min 10 12 40 min 11 12 50 min 12 12 70 min 13 12 90 min Recommended initial setting 14 12 2 x Operational Integral Time 13 ACTIVATE ADVANCED FUNCTIONS 26 50 14 NOT USED Advanced...

Страница 37: ...80 7 16 E 0 to 500 32 to 1000 0 to 600 32 to 1110 8 16 J DIN 0 l0 400 32 to 800 0 to 800 32 to 1470 9 16 Pt100 0 to 200 32 to 400 199 to 400 199 to 750 10 16 B 0 to 1600 32 to 1999 0 to 1800 32 to 1999 Options cont d on next page NOTE Range adjustments including Default only limit setpoint values Process temperatures will be displayed over the full linearized range Selects thermocouple type or RTD...

Страница 38: ...play 11 16 0 20 mV 0 100 12 16 4 20 mV 0 100 13 16 0 20 mV 0 1000 14 16 4 20 mV 0 1000 15 16 0 20 mV 0 2000 Must be enabled to allow negative temperatures to be measured using either T thermocouple or RTD only Op Fn Parameter Comment 0 17 Disabled 1 17 Enabled 18 DISPLAY RESOLUTION 1 OR 0 1 DEGREE Allows selection of 0 1 resolution over limited temperature range 199 9 to 199 9 Note this affects ot...

Страница 39: ... 19 Full scale alarm High Non tracking 5 19 Full scale alarm Low Non tracking 6 19 LBA Loop Break Alarm 7 19 Cool strategy 20 SENSOR BREAK PROTECTION OUTPUT 1 21 SENSOR BREAK PROTECTION OUTPUT 2 Allows for selection of upscale or downscale thermocouple break protection for first setpoint so that output will be in safest state if input is lost Most heating applications require upscale protection Op...

Страница 40: ...t by Function 15 1 22 F not reset by Function 15 Allows selection of C or F for display Note that the correct bezel must be used Read only not changeable factory set Functions 28 and 30 are not operational with Software Version 3 or less Allows changing of high end of allowable setpoint range set in 1 increments Refer to Section 3 4 2 Refer to Function 16 for linearized range table Select before T...

Страница 41: ...int temperature To correct offset of 2 C Change to FUNCTION 1 Change to OPTION numbers flashing To key in the offset temperature 2 C To place in memory The process temperature reading will settle from 252 C to 250 C 1 2 3 4 5 6 Press Press P Press Press Press twice Press P 2 5 2 2 5 0 0 0 0 1 0 1 2 1 2 5 0 STEP ACTION DISPLAY 3 6 2 Use of Manual Reset P and PD mode When the system has settled if a...

Страница 42: ...tor DCM provides a guide to a suitable manual heat power setting This Manual Mode function is Function 0 Options 4 through 100 All three of the Error Indication LEDs are on when unit is in Manual Mode Display shows a flashing number that represents output followed by an H for heat Example at 50 Manual Mode display shows 50H with the 50 flashing Temporarily switches off SP 1 output the controller o...

Страница 43: ...g Within Set Band Around SP1 Setting Above SP2 Setting Below SP2 Setting Control Mode Function 10 ON OFF Option 0 Proportional Options 1 7 Operating Mode Function 19 Setting Compared to SP1 High Above SP1 Options 1 or 4 Low Below SP1 Options 2 or 5 Out of Limits Above SP1 Option 3 High Above SP1 Options 1 or 7 Low Below SP1 Option 2 37 The following table shows operation of SP2 when Functions 30 a...

Страница 44: ... sensor will be displayed STEP ACTION DISPLAY 1 2 3 4 5 6 7 8 Press P Option 0 Function 0 flashing Press Press and hold until 38 appears Press to go up press to go down Press Option flashing Press or as many times as required to get Option number that you want Press P 0 1 3 0 3 8 0 4 2 0 3 1 0 3 1 1 3 1 T E M P 0 0 3 12 DETAILS OF ADVANCED FUNCTIONS 26 50 The following steps describe the sequence ...

Страница 45: ...ay use They should not be accessed except during set up by qualified personnel Allows adjustment of maximum output to heater in percent Example if 50 Option 10 is selected then the output of the controller would never be allowed to be greater than 50 This might be used with an oversized heater Autotune can not be used with SP1 heat limit other than 100 Option 0 Example with 10 second cycle time 50...

Страница 46: ...ax 1 27 80 output 2 27 60 3 27 50 4 27 40 5 27 30 6 27 20 7 27 10 Op Fn Parameter Comment 0 28 Reverse Acting Heating 1 28 Direct Acting Cooling Op Fn Parameter Comment 0 29 ON when logically on standard 1 29 OFF when logically on reversed Allows action of output to set to reverse acting for heating standard or direct acting WARNING Inverting output may affect controller failsafe characteristics S...

Страница 47: ... available with Software Version 3 Refer to Function 23 Op Fn Parameter Comment 0 30 Direct Acting cooling 1 30 Reverse Acting Heating Op Fn Parameter Comment 0 31 ON when logically on standard 1 31 OFF when logically on reversed Op Fn Parameter Comment 0 32 Normal 2 range segment 1 32 High 1 2 32 Low 4 31 OUTPUT 2 LED OPERATION Allows reversal of action of SP2 LED e g change to on when logically ...

Страница 48: ...ch the controller checks the derivative function This should not have to be adjusted from the Default value 0 5 x Derivative Time for most processes Not applicable if SP1 derivative is not used 35 SENSOR SPAN ADJUST CALIBRATION Allows adjustment of slope span for calibration Should not need to be used in normal conditions Refer to Section 6 2 2 1 steps 15 16 max 36 LIMIT LATCHING CONTROL OUTPUT 2 ...

Страница 49: ...y to reset in non alarm condition Reads the difference between the maximum and minimum temperatures 0 1 resolution Press to read Monitors power SP1 on time in previous proportioning cycle Average several readings for more accurate result Refer to Section 4 3 2 Press to read Measured in C F maximum 255 Hi Res 25 5 Refer to Section 4 3 3 Press to read Display shows Function 38 0 38 after getting to ...

Страница 50: ...he chosen Parameters may be mechanically locked into memory by removing or altering the position of the jumper behind the lower front bezel refer to Figure 3 2 Note that locked positions 2 and 3 are alternatives and that the jumper socket is in the inactive or locked position in 2 When the Parameter Lock has been applied only the Set Up adjustments listed below are possible depress the P key 1 Adj...

Страница 51: ...F mode Software problems EE8 Calibration data Replace CN9000A See next page error if it persists EE9 System error Replace CN9000A See next page if it persists H Unit in If Manual Mode Reset to 0 0 Manual Mode not desired for normal check Function 0 operation SECTION 4 DIAGNOSTICS 4 1FAULT INDICATION Depending on the selection made at Functions 20 and 21 the SP1 and SP2 outputs are turned ON or OFF...

Страница 52: ...m LBA detects a control loop fault and displays an error message EE3 In addition the SP2 relay may be configured to act in the LBA state Note that the SP1 output state is unaffected by LBA alarm condition The LBA operates if the controller fails to receive a correct response to the output within a limited time period Specifically the LBA state occurs when the SP1 output is at 0 or 100 and is unres...

Страница 53: ... Relay latches in alarm condition to reset Press simultaneously NOTE Reset EE3 Relay before any other program changes Used to assist with machine operation and troubleshooting Monitors and displays minimum and maximum temperatures and variance deviation to 0 1 C F Displayed temperatures are measured values independent of setpoint This high sensitivity monitor may be affected by interference Use a ...

Страница 54: ...nitor and readings reset 4 3 2 Duty Cycle Monitor DCM Function 42 4 3 3 Autotune Tuning Data Functions 43 49 Functions 43 through 49 provide data on size and length of oscillations used by the controller in learning the system while autotuning Refer to Figure 4 3 Also refer to Section 5 1 Autotune Function 43 OS1 overshoot 1 Function 44 OS2 overshoot 2 Function 45 US undershoot Function 46 T1 quar...

Страница 55: ... Approach control 0 5 9 0 x gain Proportional cycle time 0 8 81 9 sec calculated but for safety reasons needs manual confirmation Refer to Figure 5 1 Figure 5 1 Autotune AT Temperature setpoint tuning DAC PID AT tuning 75 SP Time Start AT 100 output power new PID values entered and output power re applied SECTION 5 TUNING 5 1 AUTOTUNE Two types of autotune are provided to ensure optimum control of...

Страница 56: ...ctory set at 20 seconds may be changed Function 4 or 10 or by accepting the optimum time calculated after running AT NOTE For units with a mechanical relay or a mechanical contactor in the system do not attempt Autotune with a cycle time shorter than 20 sec 6 For best results use normal setpoint and load conditions 7 Start with the cool load To Autotune 8 Start Autotune process near ambient temper...

Страница 57: ...culated but needs manual confirmation Figure 5 2 Autotune PT To change Option 0 to Option 1 To start Autotune process AT display will alternate with process temperature display STEP ACTION DISPLAY 3 4 Press Option flashing Press P 1 0 A T T E M P NOTE The Autotune algorithm can be tried on any process However it is designed to work best for heating processes when the setpoint is at least 100 F 50 ...

Страница 58: ...er riding Autotune Values To abort Autotune simply do the following NOTE Subsequent Autotune AT or PT replaces manual selections with new calculated values except Cycle Time For Autotune error messages see EE5 through EE7 in Section 4 1 Latched Press simultaneously to reset AT PT tunes most applications satisfactorily but if tuning fails and error messages repeatedly occur the application has unus...

Страница 59: ...ction 5 Prop band Gain Function 6 Derivative time Rate Function 7 DAC Approach Control Function 8 Integral time Reset For example to see the AT value for Function 5 on left side of the display being lit means that you are seeing the AT value to the left of the function number Get into Program Mode Change to Function 5 Change to Option Mode Change Option 0 to AT Option STEP ACTION DISPLAY 1 2 3 4 P...

Страница 60: ...splayed If the cycle time needed is shorter than the 20 second default setting e g 1 sec is generally used for driving an SSR and 0 05 sec is used for linear outputs the user should select the appropriate Option in Function 4 Refer to Table 3 4 The cycle time setting will not be changed automatically but may be replaced with the calculated AT value if preferred after the Autotune run Normal Proced...

Страница 61: ...otune run to follow Change Function 0 to Function 4 To change to Option Mode Change Option 0 to AT Option Calculated AT Value Indicates that the display shows AT value If AT value is suitable press P AT value now operational If the AT value is not suitable press to select suitable option for example Option 4 30 sec STEP ACTION DISPLAY 3 4 5 6 7 Press 4 times Option 20 seconds Press Option flashing...

Страница 62: ...en Press P to retain 9 8 secs c Press repeatedly to select Option from Table 3 4 Go through steps 2 through 5 once again This time is on 9 8 sec is accepted from before To change to Option Mode To display latest calculated AT value For example 7 2 seconds STEP ACTION DISPLAY 8 9 10 11 Press Flashing Press Flashing shows that the display shows latest AT value 7 2 4 9 8 4 9 8 4 ...

Страница 63: ...If required range adjustments should be made first refer to Section 3 3 Check that the Parameter Lock is in the Parameter Setting Position refer to Figure 3 2 in Section 3 13 and proceed as follows 1 Adjust Proportioning Time to ON OFF This switches off all other control terms and sets Hysteresis to 1 25 of full scale 2 Enter setpoint temperature 3 Turn ON and allow process to stabilize Monitor pr...

Страница 64: ...oach control will be activated in DEFAULT setting 1 5 x prop band If the warm up characteristic is unacceptable refer to Section 5 7 5 Enter these new values and restart the process from cold The above settings can be further adjusted to give optimum performance Sections 5 3 through 5 8 will provide guidance for tuning the individual control terms If control is not satisfactory the most likely cau...

Страница 65: ...ence between the highest and the lowest reading A ________ and time in seconds between consecutive highest readings T ________ Locate your sensor in the table below to obtain a sensor factor and use this with value for A to calculate size of Proportioning Band Function 5 Use calculated value for Programming Band width to select option number in Function 5 table below When between fixed values choo...

Страница 66: ...ut STEP For other fixed values refer to Table 3 4 9 10 Using value for T time interval between consecutive highest readings calculate new value for Proportioning Time Function 4 T 20 seconds T 10 seconds Use calculated value to select option number in Function 4 table below When between fixed values choose next shorter option 100 25 50 10 5 Out Fixed Values Option No 1 2 3 0 5 4 6 SECONDS 200 For ...

Страница 67: ...tions and check controller setting STEP 11 600 180 300 120 60 30 Fixed Values Option No Out 1 2 3 4 5 6 0 7 SECONDS 1080 For other fixed values refer to Table 3 4 Using the same value of T select option number in Function 8 Integral Time table below 5 3 PROPORTIONING TIME Ideal Setting The Proportional Time setting determines the cycle rate of the output device In the interest of long contact life...

Страница 68: ...rs caused by the introduction of Proportional control If incorrectly set this can cause instability or increase warm up time If the Integral Time constant is too long the process will take a long time to return the temperature to the set point Conversely if the Integral Time is too short the process temperature oscillates because the integral action outruns the process Refer to Figure 5 6 Setting ...

Страница 69: ...l Setting Ideal Setting too large Derivative enables the controller to shift the proportional band up or down in an amount proportional to the rate of temperature change to help the system compensate for rapidly changing temperature The derivative term is added to Proportional Control action to speed up response to disturbances and to suppress overshoot Refer to Figure 5 7 In applications where th...

Страница 70: ...ure the employment of narrow hysteresis ON OFF settings for this may give excellent results 3 Where both setpoints are required to be set close together small deadband wide proportioning or hysteresis band settings will overlap allowing simultaneous operation of outputs which may give the best overall control Where a given application cannot be tuned to give acceptable results over the required ra...

Страница 71: ... exothermic change in load causes integral to move prop bands down Integral causes prop bands to move Figure 5 9 Cool Strategy 1 Integral causes linked prop bands to move up 2 Stabilizes eg 30 heat 3 Exothermic load change causes integral to move prop bands down minimizing and disturbance 4 Minimum offset achieved 4a offset without cool strategy integral action 5 Stabilizes eg 50 cool 6 Consistent...

Страница 72: ...ld oscillation occur try in order Double cool prop band value and Function 11 double integral time value Function 8 Halve cool cycle time Function 10 Introduce cool overlap by setting Function 2 negative value in Function 2 start negative with a small negative number 5 Non linear cooling For water cooling above 100 C where Function 10 flash to steam requires a non linear Options 13 15 output Selec...

Страница 73: ...entire curve is shifted and although the unit can be recalibrated at one point the reading can be off at another temperature since the temperature curve is not exactly linear Therefore the Display Bias should be attempted as close to the desired setpoint temperature possible SECTION 6 CALIBRATION 6 2 RECALIBRATING TO A REMOTE STANDARD 6 2 1 Sensor Correction Function 9 Figure 6 1 Sensor Error Grap...

Страница 74: ...ustment 1 Choose a temperature near the bottom of the normal operating range and one near the top 2 Run at the lower temperature T1 note the error E1 between CN9000A and Reference reading 3 Repeat at upper temperature T2 and note error E2 Example T1 reads T2 reads CN9000A 60 200 Reference 58 205 Error E1 2 E2 5 4 Calculate span adjustment for Function 35 Temperature That CN9000A Reads Temperature ...

Страница 75: ... Allow time to stabilize at T2 If an error exists correct with Function 9 Then check at T1 If an error exists check readings and calculations repeat if necessary E2 E1 T2 T1 Formula Function 35 x span as Function 24 5 2 200 60 Example Function 35 x 250 Function 24 span 7 140 Function 35 x 250 12 ...

Страница 76: ...70 NOTES ...

Страница 77: ...ltage conversion IS NOT allowed in the following models under any circumstances Doing so will result in permanent damage to the controller CN9141 CN9141A CN9241 CN9241A CN9141 230V CN9141A 230V CN9241 230V CN9241A 230V CN9151 CN9151A CN9251 CN9251A CN9151 230V CN9151A 230V CN9251 230V CN9251A 230V BD9041 BD9041A BD9041 230V BD9041A 230V BD9051 BD9051A BD9051 230V BD9051A 230V 7 1 TO REMOVE MAIN PC...

Страница 78: ...moving the Main PC Board Remove the Main PC Board from the controller using the steps described in Section 7 1 Lay the PCB on the workbench with transformer side down To convert the controller from 115 VAC to 230 VAC refer to Figure 7 2 and proceed as follows 1 Remove jumpers LK5 and LK3 2 Install 1 jumper across the sockets marked LK4 To convert from 230 VAC to 115 VAC refer to Figure 7 2 and pro...

Страница 79: ...or dimensions 7 3 2 WIRE 3 WIRE RTD CONVERSION 7 4 INSTALLING THE TRIAC 4 20mA AND 0 10VDC OUTPUTS OPTIONS Use of a 3 wire RTD reduces measurement error when the sensor is more than 30 feet 10 meters from the controller Note that conversion to a 3 wire RTD inhibits subsequent selection and use of thermocouples To convert from an input of a 2 wire RTD sensor to a 3 wire RTD refer to Figure 7 2 and ...

Страница 80: ...9121A BD9031A makes a CN9131A CN9121A BD9041A makes a CN9141A CN9121A BD9051A makes a CN9151A CN9221A BD9031A makes a CN9231A CN9221A BD9041A makes a CN9241A CN9221A BD9051A makes a CN9251A NOTE 230VAC units use different modules for BD9041A or BD9051A ...

Страница 81: ... 10A Output 1 or 5A Output 2 Using the controller in an elevated ambient temperature or with a slightly inductive load also derates the relays In those situations the rating of Output 1 is 5A and Output 2 is 3A OPTIONAL OUTPUTS 5VDC SSD Non isolated 5 VDC pulses 25 mA for driving an external DC controlled solid state relay 1A TRIAC 1A 264V 100 VA max SPST 4 20 mA Isolated 500 Ω maximum 0 10 VDC Is...

Страница 82: ... to 250 C 2 C 250 C E 0 to 600 C 1 C 500 C B 300 to 1800 C 6 C 1600 C J DIN 0 to 800 C 1 C 400 C Pt100 RTD 200 to 250 C 0 25 C 200 C 250 to 400 C 0 5 C Maximum display in F is 1999 for all thermocouple types TABLE 8 2 LINEAR PROCESS INPUT DISPLAY RANGES 76 LINEARITY RANGE LINEAR INPUT DISPLAY TOLERANCE 1 0 20 mV 0 100 1 5 2 4 20 mV 0 100 1 5 3 0 20 mV 0 1000 1 5 4 4 20 mV 0 1000 1 5 5 0 20 mV 0 20...

Страница 83: ...0 V 15 after 30 minutes settling time SENSORS INPUT TYPES Thermocouple J K E R S N B J DIN RTDs 2 wire Pt 100 3 wire Pt100 0 to 20 mV 4 to 20 mV user selectable EXTERNAL RESISTANCE TC 100 ohms maximum COLD JUNCTION COMPENSATION 0 05 C 20 1 BURNOUT PROTECTION Fault display upscale downscale is key selectable COMMONMODE REJECTION 140 dB 240 V 50 60 Hz NORMAL MODE NOISE REJECTION 60 dB 50 Hz ...

Страница 84: ...2 2 24 1981 VDE 0411 Class 1 Moldings in flame retardant polycarbonate DEGREE OF PROTECTION Designed in accordance with IEC 529 1976 BS 5490 1977 Bezel assembly IP 54 Protected against splashing water and dust Case inside panel IP 30 Protected against 2 5 mm dia objects PANEL CUTOUT 1 16 DIN or 1 772 square 45 mm square DIN 43700 DIMENSIONS WITHOUT POWER SOCKET 1 89 x 1 89 x 0 5 48 x 48 x 13 mm be...

Страница 85: ...79 DIMENSIONS WITH POWER SOCKET See Figure 8 1 below Figure 8 1 Dimensions with the Power Socket ...

Страница 86: ...Sensor Offset Calibration 10 Cycle Time On off Output 2 11 Proportional Band Deadband Output 2 12 Loop Break Alarm Time SPECIAL SETUP FUNCTIONS 13 Activate Advanced Functions 26 50 14 Not Used 15 Resetting Functions 0 24 to Default Settings INITIAL CONFIGURATION 16 Input Sensor Select and Range Table 17 Negative Temperatures 18 Display Resolution 1 or 0 1 Degree 19 Setpoint 2 Operation Selection 2...

Страница 87: ...ution 33 Temperature Display Sensitivity 34 Derivative Polling Ratio 35 Sensor Span Adjust Calibration 36 Limit Latching Control Output 2 37 Not Used DIAGNOSTICS 38 Resets Functions 39 to 42 39 Read Temperature Variance 40 Read Maximum Temperature 41 Read Minimum Temperature 42 Read Duty Cycle Monitor 43 Read Autotuning Overshoot 1 44 Read Autotuning Overshoot 2 45 Read Autotuning Undershoot 46 Re...

Страница 88: ...o will flash Set e g T C Type K sensor Option 2 see page 31 Enter T C type in memory display now reads sensor temperature e g 23 C Read setpoint temperature For example 0 C APPENDIX B QUICK STARTUP STEP ACTION DISPLAY 1 2 3 4 Sample case Type K thermocouple input autotuned to 147 C Flashing Press twice Press P once Press 1 8 8 8 0 1 6 2 1 6 2 3 0 NOTE If the display does not read 0 16 with the zer...

Страница 89: ...parameters by accessing Functions For example Function 0 flashing and Option 0 are displayed To change Option 0 to Option 1 for autotuning Enable change of option Increase Option 0 to Option 1 to enable autotuning Start autotuning Display will alternately flash AT and the process temp until Autotuning is finished Unit will then read actual process temperature APPENDIX B cont d QUICK STARTUP STEP A...

Страница 90: ...84 NOTES ...

Страница 91: ...been taken in the preparation of this manual however OMEGA ENGINEERING INC neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages that result from the use of the products in accordance with the information contained in the manual SPECIAL CONDITION Should this equipment be used in or with any nuclear installation or activity buyer will indem...

Страница 92: ...el Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipment DATA ACQUISITION Data Acquisition and Engineering Software Communications Based Acquisition Systems Plug in Cards for Apple IBM Compatibles Datalogging Systems Recorders Printers Plotters HEATERS Heating C...

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