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1. 3 7 Output 2 Alarm Output Wiring 3 8 Output 3 Alarm Wiring 3 9 Output 4 2 0 eee eee 3 10 EIA Conversions 3 11 Watlow Series 97 Wiring 3 1 AN WARNING To avoid potential electric shock use National Electric Code NEC safety practices when wiring and connecting this unit to a power source and to electrical sensors or peripheral devices Failure to do so could result in injury or death Wiring the Series 97 Wiring options depend on the model number Check the terminal designation stickers on either side of the controller and compare your model number to those shown here and with the model number breakdown on the inside back cover of this manual NOTE Using the Diagnostics Menu Factory Page check Output 1 Hardware through Output 4 Hardware through QE YY See Chapter Six for information about the menu and range of settings for each output These outputs may differ from those listed for the model number on the controller and described in this manual indicating a customized hardware setup Input to output Isolation The Series 97 uses optical and transformer isolation between the analog inputs and the controller outputs including the communications interface This isolation provides a barrier to prevent ground loops when using grounded sensors and or peripheral equipment Here is a breakdown of the isolation barriers e Analog inputs 1 and 2 are grouped together e
2. 4 1 Keys and Displays 4 2 Navigation 4 3 Software Map 4 4 Task Charts 4 6 Chapter 5 Features 5 1 LiT cos Ce d est een SA oae MAGAN sh 5 2 Input endete rep REPAS eei uen 5 8 Alarms uis coh deerat ME o EA Ses 5 8 Communications 5 11 Chapter 6 Parameters 6 1 Home Page sees 6 3 Operations Page 6 4 Setup Page 6 7 Factory Pages ee osana nnm eem 6 17 Appendix si ee aec er A 1 Troubleshooting a A 2 Modbus RI A 4 Calibrating the Series 97 A 11 Glossary ee A 14 Specifications A 18 Ordering Information A 20 Index iie lanh Em A 21 Prompt Index ce eme mrs A 23 Declaration of Conformity A 24 Parameter setup order A 25 Fold out Software Map A 25 A 26 Warranty and Returns back cover Figures and Tables Inputs and outputs oloon 1 1 Multiple panel cutout dimensions 2 1 Installing the controller lt ls 2 2a Gap dimensions lle ee eee eee 2 2b Removing the controller 2 8 Isolation blocks non 3 2 Power Wiring 3 3 Wiring example 3 4 Wiring notes 0 nn n n RI 3 5 Input 1 Wiring Thermocouple sossun 3 6a RTD 2 or 3 Wire 1002 platinum 3 6b Input 2 Wiring Digital Event 3 6c Output 1 Limit Output Wiring AG Outputs 2 604 an ied ee ae ee 3 7a Output 2 Alarm Output Wiring AC Out
3. number of registers to write high byte 0x00 number of registers to write low byte must be 0x01 CRC low byte CRC high byte Loop Back Command 0x08 This command simply echoes the message This serves as a quick way to check your wiring Packet sent to controller nn 08 nnnn nn nn A A controller address one byte loop back command 0x08 data high byte data low byte CRC low byte CRC high byte Watlow Series 97 Appendix A 7 Example Run loop back test on controller at address 40 0x28 Sent 28 08 55 66 77 88 31 B7 Received 28 08 55 66 77 88 31 B7 Exception Responses When a controller cannot process a command it returns an exception response and sets the high bit 0x80 of the command 0x01 illegal command 0x02 illegal data address 0x03 illegal data value Packet returned by controller nn nn nn nn nn A A A A A controller address one byte SI command 0x80 exception code 0x01 or 0x02 or 0x03 CRC low byte CRC high byte Messages with the wrong format timing or CRC are ignored A read command sent to an inactive parameter returns 0x0000 Example Exception 01 Command 02 is not supported Sent 01 02 00 01 00 02 A8 OB Received 01 82 01 81 60 Example Exception 02 The parameter at register 45 0x002D is inactive Sent 01 06 00 2D 00 01 D8 C3 Received 01 8
4. Sensor Installation Guidelines Thermocouple inputs Extension wire for thermocouples must be of the same alloy as the thermocouple to limit errors When using a voltage input for the digital event on Input 2 use an ungrounded thermocouple on Input 1 If a grounded thermocouple is required the signal to input 2 must be isolated to prevent possible ground loops RTD input Each 10 of lead wire resistance can cause a 2 F error when using a two wire RTD A three wire RTD sensor overcomes this problem All three wires must have the same electrical resistance i e same gauge same length multi stranded or solid same metal Watlow Series 97 Wiring 3 3 ANA WARNING To avoid potential electric shock and damage to property and eguipment use National Electric Code NEC safety practices when wiring and connecting this unit to a power source and to electrical sensors or peripheral devices Failure to do so could result in injury or death AN WARNING Install high or low temperature limit control protection in systems where an over temperature fault condition could present a fire hazard or other hazard Failure to install temperature limit control protection where a potential hazard exists could result in damage to eguipment property and injury to personnel Wiring Example L1 120V ac L2 high limit mechanical contactor DIN a mite DA10 24C0 0000 optional le norm
5. Output 2 is present 97 D or 97 K _ and Operations Page Mode Lockout Menu is not set to Active if Output 3 Output 3 Menu is fL Alarm Alarm Sides 3 Output 3 Menu isnot h or Output 3 is present 97 D and Operations Page Mode Lockout Menu is not set to NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 5 N S E K S Wag St a c W N Le D c i K CH mg D N m zo CD par E 3 1 Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Alarm 3 High Process Process high 341 r w Active if Output 3 Output 3 Sets the high alarm Alarm 3 Low 1 to limit of Menu is BL Alarm set point for output high limit of selected selected Alarm Sides 3 Output 3 Menu 3 sensor range sensor issetto Lo Output 3 is range present 97 D and Operations Page Mode Lockout Menu is not set to h dE Alarm 4 Low Process low limit of Process low none Active if Output 4 Output Menu Sets the low alarm selected sensor range limit of 4 is BL Alarm Alarm set point for output to Alarm 4 High 1 selected Sides 4 Output Menu 4 is not 4 sensor hi Jj Output 4 is a relay range 97 D and Alarm 4 High Sets the high alarm set
6. closed loop A control system that uses a sensor to measure a process variable and makes decisions based on that feedback cold junction see junction cold cold junction compensation Electronic means to compensate for the effective temperature at the cold junction default parameters The programmed instructions that are permanently stored in the microprocessor software derivative The rate of change in a process variable Also known as rate See PID derivative control D The last term in the PID control algorithm Action that anticipates the rate of change of the process and compensates to minimize overshoot and undershoot Derivative control is an instantaneous change of the control output in the same direction as the proportional error This is caused by a change in the process variable PV that decreases over the time of the derivative TD The TD is in units of seconds Deutsche Industrial Norm DIN A set of technical scientific and dimensional standards developed in Germany Many DIN standards have worldwide recognition DIN See Deutsche Industrial Norm droop In proportional controllers the difference between set point and actual value after the system stabilizes duty cycle The percentage of a cycle time in which the output is on external transmitter power supply A dc voltage source that powers external devices filter digital DF A filter that slows the response
7. 39 3 c fu AY NG But 3 Output 3 Menu SEE CSEE Setup Page Output 3 hys 3 Alarm Hysteresis 3 Y LR E 3 Latching 3 Silencing 3 Alarm Active Sides 3 Alarm Logic 3 Anu 3J Alarm Annunciation 3 NA Output 4 Menu E Setup Page Output 4 Alarm Hysteresis 4 Latching 4 Silencing 4 Alarm Active Sides 4 Alarm Logic 4 LY Anu Alarm Annunciation 4 Rout Analog Output 4 r c 4 Process 4 Type R h 1 Analog Output High R Lo Analog Output Low ACAL Analog Output Offset bAUd Baud Rate Addr Address d Display Menu SEE Ud5P Upper Display P L Upper Display User Limit Message O 4 Y C95P Lower Display Lo 5 Lower Display User Safe Message L Lower Display User Limit Message 9L bL Global Menu L SEE Y e U H ell i Juss E O m L h9S4 jp lt m lt Ia alr re EE E O Jc i SEE Setup Page C f CorF Err Input Error Latching Factory Page LOC Lockout Menu ret a J FcES AY Fct 9 OPE CSEE CA Factory Page Operations Page Mode Setup Page Lock Calibration Menu Lock Diagnostics Menu Fcty PAL JREE Sn Soft rEu LIE go DEY I DEY 0643 0644 tout d 15P hc ES APA Rent ent cote t5ht L int Factory Page Model Number Date of Manufacture Serial Number 1 Serial Number 2 Software ID Number Software Revision Input 2 Hardware E
8. CAUTION This manual is provided for reference only It does NOT provide instructions on how to operate your chamber Not all features or functions are applicable The Watlow 97 Limit Controller has been properly configured by TestEquity to match the chamber s system requirements Improper modifications to these setup values can result in unreliable and unsafe operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing Setup examples in the Series 97 User s Manual are NOT applicable to this chamber If there is any doubt please call TestEquity before proceeding The correct values are documented in the Series 97 Limit Controller Setup Parameters section of the TestEquity chamber manual NEVER select Default Settings in the Series 97 Limit Controller s Factory Page This will erase all the correct values which are documented in the Series 97 Limit Controller Setup Parameters section of the TestEquity chamber manual Series 97 User s Manual WATLOW 2 4 LIMIT 97 1 LIMIT 97 WATLOW User Levels WEE go to page 1 1 Experienced User AA go to page 2 1 Expert Heer lt kamal nin hana go to page 2 1 Installers C C Installation ese ee Re Re Re RR go to page 2 1 Wiring saasteista idas eee eect go to page 3 1 TOTAL CUSTOMER SATISFACTION 3 Year Warranty ISO 9001 TO COELI A MAN TW M SS NA Registered Company Winona Minnesota USA 1241 Bundy
9. 3 1 J C Pr 3 Ouput 3 Menu Setup Page Output 3 Alarm Hysteresis 3 Latching 3 Silencing 3 Alarm Active Sides 3 Alarm Logic 3 Alarm Annunciation 3 i 5 w 1 t C3 D J Pr 4 Ouput 4 Menu Setup Page Output 4 Alarm Hysteresis 4 Latching 4 Silencing 4 Alarm Active Sides 4 Alarm Logic 4 Alarm Annunciation 4 Analog Output 4 Process 4 Type Analog Output High Analog Output Low E j a i s 3 lt E N lt D gt DR D Baud Rate Address Set Limit Active Sides CAL Analog Output Offset P Display Menu Setup Page Upper Display Upper Display User Limit Message Lower Display Lower Display User Safe Message Lower Display User Limit Message a F d L Global Menu Setup Page F JCorF E a s Input Error Latching Factory Page L GL Lockout Menu Factory Page PEr Operations Page Mode SEE Setup Page Lock CAL Calibration Menu Lock E JA 149 Diagnostics Menu Factory Page PAdL Model Number JAEE Date of Manufacture o 1 Serial Number 1 5n2 Serial Number 2 Sof E Software ID Number cd Eu Software Revision 4E Ye Input 2 Hardware Enabled QEY 1 Output 1 Hardware 0692 Output 2 Hardware 06943 Output 3 Hardware Qt YY Output 4 H
10. 42 Navigation ss Sateen kunna Nea 4 3 Software Map 4 4 Task Charts 4 6 Watlow Series 97 Keys and Displays This chapter explains keys displays and navigation skills and presents charts showing how to accomplish basic and advanced tasks You ll also find a complete software map Active Output 1 4 Indicator Lights Lit when the corresponding output trips Indicator light next to number 4 will flicker during communications activity if the communications option is used Upper Display Indicates actual process values during operation the value for the parameter in the lower display or the user programmed message Lower Display Indicates factory programmed message during operation the value for the parameter in the lower display or the user programmed message PA Advance Key Advances the lower display through the parameters To reverse direction press and hold amp while repeatedly pressing the O key Figure 4 2 Series 97 keys and displays Up Key Changes the upper display to a higher value or up through a list of values Moves from menu to menu in a page Down Key Changes the upper display to a lower value or down through a list of values Moves from menu to menu in a Ng Reset Key P 99 Returns to the Home Page process actual display Resets a latching alarm Resets a latching input sensor error Resets the limit Silenc
11. A CAUTION Maintain isolation between input 1 and input 2 to prevent a ground loop A ground loop may cause incorrect readings dashes across the upper display or the display of error codes Failure to follow this guideline could result in damage to eguipment and product Input 1 Wiring Figure 3 6a Thermocouple Available on all units Impedance 20MQ TES 13 14 15 500 A Pa ooo Hooe 6 19 20 21 di 7 pr ad Figure 3 6b RTD 2 or 3 Wire 1000 Platinum Available on all units 5 S2 5 oU vs ol Input 2 Wiring Figure 3 6c Digital Event 97 1 E nn Voltage input 3 36V dc Event Input High State T 0 2V dc Event Input Low State N gema Contact closure od aar 0 2kO Event Input Low State gt 23kQ Event Input High State uu EE 1000 1 Naa SING S PS w E P Ad 0 e P N 4 e O 3 6 Wiring Watlow Series 97 NOTE Successful installation reguires five steps e Choose the controller s hardware configuration and model number Appendix e Choose a sensor Chapters 3 and 6 and Appendix e Install the controller Chapter 2 e Wire the controller Chapter 3 and e Configure the controller Chapters 4 5 and 6 N WARNING To avoid damage to property and eguipment and or injury of loss of life use National Electric Code NEC standard wiring practices to install and operate the Series 97 Failure
12. Minnesota USA Place of Issue Jim Boigenzahn Name of Authorized Representative September 2001 Date of Issue General Manager Title of Authorized Representative P li f f Bw ch AL H Signature of Authorized Representative A 24 Appendix Watlow Series 97 Series 97 Software Map Home Page Process Value Limit Status IP f Limit Menu r Operations Page L Col Low Limit Set Point L h 1 High Limit Set Point CAL N Calibration Offset p lo N Monitor Menu OPE c Operations Page Pr I Process 1 Operations Page DP L St Limit Status AL JAlarm 2 Status AL 3J Alarm 3 Status BHL Y Alarm 4 Status E St Event Input Status OPE Operations Page R2L o Alarm 2 Low Agh Alarm 2 High R3L o Alarm 3 Low AJA Alarm 3 High RYL o Alarm 4 Low Hub Alarm 4 High Enter your settings on a photocopy of this page ON etup Page In P J input1 Menu Setup Page Sensor Type 1 5 Input 1 Range Low 1 Range High 1 Decimal 1 i 5 gt tn P Q input 2 Menu Setup Page fn 2 Input2 E Fer 1 Input Software Filter 1 Event Function Event Condition d C Pr Ouput 1 Menu Setup Page E Limit Hysteresis e Ouput 2 Menu Setup Page Output 2 Alarm Hysteresis 2 LAE gJLatching 2 Silencing 2 Alarm Active Sides 2 Alarm Logic 2 Alarm Annunciation 2 3 D
13. YES and Setup Page Lock Lockout Menu is not set to h dE 6RUd Baud Rate 1200 9500 none Active if Output 4 is equipped for Sets 2400 communications 97 R communications 4800 or 97 U baud rate 9600 and Setup Page Lock Lockout 19 2K Menu is not set to h dE Output 4 parameters cannot be changed with the Modbus interface NOTE For more information about how parameter seetings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 13 S KI ct 2 c 1 xD D W Ke Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Address 1 to 247 1 none Active if Output 4 is eguipped for Sets communications 97 R communications or 97 U address and Setup Page Lock Lockout Menu is not set to h dE Display Menu SEE Setup Page UdSP Upper Display Pr 1 actual 1400 r w Active Always Selects the value temperature 0 that will appear in USE user message the upper display 1 o L h high limit set point 3 toggle in the upper q 5 low limit set display if out of point 2 alarm range Alarm messages will Le cD f K m 5 e D Gd E D lt CD Output 4 parameters cannot be changed with the Modbus interface NOTE For more information about how parameter setting
14. while bit count lt 7 while char ptr lt end of packet return crc Watlow Series 97 Appendix A 9 Modbus Register Numbers Absolute Relative Parameters Absolute Relative Parameters 40001 0 Model Number 41402 41405 1401 1404 Upper Display User 40002 1 Serial Number 1 Limit Message 4 characters 40003 2 Serial Number 2 41406 1405 Lower Display 40004 3 Software ID Number 41407 41410 1406 1409 Lower Display User Safe Message 40005 4 Software Revision 4 characters 40006 5 Date of Manufacture 41411 41414 1410 1413 Lower Display User Limit 40010 9 Input 2 Hardware Enabled Message 4 characters 40017 16 Output 1 Hardware 41501 1500 Ambient Temperature 40018 17 Output 2 Hardware 41502 1501 Ambient A D Count 40019 18 Output 3 Hardware 41505 1504 Channel 1 A D Counts 40020 19 Output 4 Hardware 41506 1505 Channel 2 A D Counts 40025 24 Disable Nonvolatile Memory 41514 1513 Test Display System 41515 1514 Test Output 40101 100 Process 1 41516 1515 Line Frequency 40107 106 Alarm 2 Status 41602 1601 Restore Factory Calibration 40111 110 Alarm 3 Status 41603 1602 Default Settings 40115 114 Alarm 4 Status 14604 1 1603 1 Thermocouple Calibration 0mV 40202 201 Event Input Status 41604 2 1603 2 Thermocouple Calibration 50mV 40320 319 Limit Status 41604 3 1603 3 Thermocouple Calibration 32 40322 321 Alarm 2 Low 41604 4 1603 4 Set Ground 40323 322 Alarm 2 High 41604 5 1603 5 Lead Resistance Calibration 4
15. Blvd P O Box 5580 Winona Minnesota USA 55987 5580 Phone 507 454 5300 Fax 507 452 4507 http www watlow com 0600 0021 0000 Rev D Made in the U S A February 2002 15 00 Supersedes 0600 0021 0000 Rev C NOTE Details of a Note appear here in the narrow margin on the outside of each page CAUTION Details of a Caution appear here in the narrow margin on the out side of each page WARNING Details of a Warning appear here in the narrow margin on the out side of each page Safety Information We use note caution and warning symbols throughout this book to draw your attention to important operational and safety information A NOTE marks a short message in the margin to alert you to an important detail A CAUTION safety alert appears with information that is important for pro tecting your equipment and performance Be especially careful to read and fol low all cautions that apply to your application A WARNING safety alert appears with information that is important for pro tecting you others and equipment from damage Pay very close attention to all warnings that apply to your application The safety alert symbol A an exclamation point in a triangle precedes a general CAUTION or WARNING statement The electrical hazard symbol AN a lightning bolt in a triangle precedes an electric shock hazard CAUTION or WARNING safety statement Technical Assistance If you
16. Factory Page menus 6 17 6 21 filter time constant 5 4 G gap dimensions 2 2 Global Menu 6 16 H High Limit Set Point 6 5 High Resolution 6 19 Home Page 4 4 6 3 I J Input 1 6 7 Input 2 6 9 Input 2 Hardware Enabled 6 18 Input 1 Menu 6 7 6 8 Input 2 Menu 6 9 Input Calibration Menu 6 19 6 21 A 12 Input Error Latching 6 16 Inputs and outputs 1 1 Input Software Filter 1 6 8 Input to output isolation 3 2 Input wiring digital event 3 6 RTD 3 6 thermocouple 3 6 Installation 2 1 2 2 Installation sensor 3 3 Isolation blocks 3 2 K Keys and displays 4 2 L Latching 2 6 10 Latching 3 6 11 Latching 4 6 12 Lead Resistance Calibration 6 20 Limit Active Sides 6 9 Limit Hysteresis 6 9 Limit Menu 6 5 Limit Status 6 4 Line Freguency 6 19 Lockout Menu 6 17 Loop back command A 7 Lower Display 6 14 Lower Display User Limit Message 6 16 Lower Display User Safe Message 6 15 Low Limit Set Point 6 5 M Modbus Remote Terminal Unit RTU A 4 Model Number 6 17 Monitor Menu 6 4 Multiple registers command read A 5 write A 6 N Navigation map 4 4 4 5 and Software 4 1 4 7 tasks for users 4 6 4 7 Watlow Series 97 Appendix A 21 O Operations Page 4 4 Operations Page menus 6 4 6 6 Operations Page Mode Lock 6 17 ordering information A 20 Output 2 6 9 Output 3 6 11 Output 4 6 12 Output 1 Hardware 6 18 Output 2 Hardware 6 18 Output 3 Hardware 6 18 Output 4 Hardware 6 18 Output 1 Men
17. L 8 Silencing 2 no no action 0 no 722 r w Active if Output 2 Output 2 Enables Silence 2 YES silence alarm Menu issetto AL Alarm 1 and Setup Page Lock Lockout Menu is not set to h gf 5 d Alarm Active bot h both 0 both 723 r w Active if Output 2 Output 2 Sides 2 h jJ high 1 high Menu issetto AL side only hardware is present not 97 _ Lo low 2 low side A Land Setup only Page Lock Lockout Menu is setpoints can be not set to ER programmed for 93c Alarm Logic 2 AL 0 alarm condition AL D 724 r w Active if Output 2 Output 2 Selects alarm 2 de energizes output Menu issetto AL output condition in fail safe operation hardware is present not 97 _ the alarm state 0 A__ ____ and Setup Co AL C alarm condition Page Lock Lockout Menu is energizes output 1 not set to h dE K me EX a CD Alarm nojno 0 YES 725 r w Active if Output 2 is set to Annunciation 2 YES yes 1 AL hardware is present Selects alarm 2 not 97__ _A__ ____ and e annunciation option Setup Page Lock Lockout N Menu is not set to h dE NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features 6 10 Parameters Watlow Series 97 Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Output 3 Menu SEE Setup Page DE 3 Output 3 Selects t
18. N 32 to 2282 F or 0 to1250 C Type E 328 to 1470 F or 200 to 900 C Type C W5 32 to 4200 F or 0 to2315 C Type D W3 32 to 4200 F or 0 to2315 C Type PTII 32 to 2540 F or 0 to1393 C Type R 32 to 2642 F or 0 to1450 C Type S 32 to 2642 F or 0 to1450 C Type B 1598 to 3092 F or 870 to1700 C DIN 328 to 1472 F or 200 to 800 C JIS 328 to 1166 F or 200 to 630 C Thermocouple Inputs Calibration accuracy 0 1 of span 1 C at standard conditions Exceptions Type T 0 12 of span for 200 C to 50 C Types R and S 0 15 of span for 0 C to 100 C Types B 0 24 of span for 870 C to 1700 C Accuracy span 540 C 1000 F minimum Temperature stability 0 1 degree per degree change in ambient A 18 Appendix Watlow Series 97 RTD Inputs Calibration accuracy 0 1 of span 1 C at standard conditions Accuracy span 540 C 1000 F minimum Functionality Matrix Temperature stability 0 05 degree per degree change in Universal High ech a ambient Input Event Limit Alarm Retransmit Comm Agency Approvals Input 1 FM Class 3545 File J l 1B5A6 AF Temperature Limit Switches Input 2 Indicating Output 1 CE EN 61326 Industrial Immunity Class A emissions and Output 2 EN61010 1 Safety standard Output 3 P65 UL 50 Recognized Enclosure Nema 4X amp 12 Output 4 Terminals Touch safe 2210 12 AWG Power 100 240V ac 10 15 50 60Hz 5
19. Nennspannung 100 bis 240 V AC oder 24 bis 28 V AC oder DC Nennfrequenz 50 oder 60 Hz Nominaler Stromverbrauch Max 7 VA Erf llt die wichtigsten Normen der folgenden Anweisung en der Europ ischen Union unter Verwendung des wichtigsten Abschnitts bzw der wichtigsten Abschnitte die unten zur Befolgung aufgezeigt werden 89 336 EEC Elektromagnetische Kompatibilit tsrichtlinie EN 61326 1997 mit A1 1998 Elektrisches Ger t f r Messung Kontrolle und Laborgebrauch EMV Anforderungen St rfestigkeit Industriebereich Klasse A Emissionen EN 61000 4 2 1996 mit A1 1998 St rfestigkeit gegen elektronische Entladung EN 61000 4 3 1997 St rfestigkeit gegen Strahlungsfelder EN 61000 4 4 1995 St rfestigkeit gegen schnelle St6Be Burst EN 61000 4 5 1995 mit A1 1996 St rfestigkeit gegen berspannung EN 61000 4 6 1996 Geleitete St rfestigkeit EN 61000 4 11 1994 St rfestigkeit gegen Spannungsabfall kurze Unterbrechungen und Spannungsschwankungen EN 61000 3 2 1995 mit A1 3 1999 Harmonische Stromemissionen EN 61000 3 3 1995 mit A1 1998 Spannungsfluktationen und Flimmern 73 23 EEC Niederspannungsrichtlinie EN 61010 1 1993 mit A1 1995 Sicherheitsanforderungen f r elektrische Ger te f r Messungen Kontrolle und Laborgebrauch Teil 1 Allgemeine Anforderungen Declara que el producto siguiente Designaci n N meros de modelo Espanol Serie 97 97 Ao BYO 1 D A C Do Ao D A D R
20. Output 3 hardware is present 97 D Output 3 Output 3 Menu is set tol AL Alarm and Setup Page Lock Lockout Menu is not set to h dE 740 r w 741 r w AL 0 Active if Output 3 hardware is present 97 D Output 3 Output 3 Menu is set tol AL Alarm and Setup Page Lock Lockout Menu is not set to h dE S ow mad 2 ce SE a D 2 Ke NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 11 Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Alarm no jno 0 YES 742 r w Active if Output 3 hardware is Annunciation 3 YES yes 1 present 97 D Selects alarm 3 Output 3 Output 3 Menu is annunciation option set tol HU Alarm and Setup Page Lock Lockout Menu is not set to h dE Output 4 Menu SEE Setup Page Output 4 off none Active if Output 4 is equipped for Selects output 4 LRL Jalarm a relay 97 D type and Setup Page Lock Lockout Menu is not set to h gf Alarm Hysteresis 4 1 to 9999 3 none Active if Output 4 is equipped for a relay 97 D Sets the switching hysteresis for the Output 4 Output 4 Menu is alarm output This set to AL Alarm and defines a band on Setup Page Lock Lockout the inside of the Menu is not set to h
21. download the Data Communications Reference Electronic User s Manual It is located under Literature User s Manuals English and search on data communications reference Watlow Series 97 Features 5 11 Notes 5 12 Features Watlow Series 97 Chapter Six Parameters Parameter Setup Order 6 2 Home Page 6 3 Operations Page 6 4 Monitor Menu 6 4 Limit Men 6 5 Alarm Menu 6 5 Setup Page 6 7 Input 1 Menu 6 7 Input 2 Menu 6 9 Output 1 Menu 6 9 Output 2 Menu 6 9 Output 3 Menu 6 11 Output 4 Menu 6 12 Display Menu 6 14 Global Menu 6 16 Factory Page 6 17 Lockout Menu 6 17 Diagnostics Menu 6 17 Input Calibration Menu 6 20 Output Calibration Menu 6 21 NOTE To see how all the pages menus and parameters are grouped refer to the gatefold back cover of this manual For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 1 C F Changing this Affects this l Sensor Type SEn Input 1 1n 1 Range High 1 h 1 Range Low ct 7 Decimal 1 gEC Input 2 1n d Output 1 Out Output 2 Gu E e C or F Table 6 2 Set up C or FLE F parameters in this Output 1 order Output 2 Output 3 Output 4 Sensor Type Input 1 7a 7 Range High 1 C Range Low C Decimal 1 Calibration Offset 1 C Input Soft
22. e 24 28V ac or V dc 10 15 50 60Hz 5 7 0 VA maximum power consumption Data retention upon power failure via nonvolatile memory Operating Environment Oto 65 C 32 to 149 F e 0 to 90 RH non condensing Storage temperature 40 to 85 C 40 to 185 F Dimensions Width 52 mm or 2 05 in Height 52 mm or 2 05 in Length 107 mm or 42 in Depth behind panel surface 98 4 mm or 3 875 in Approximate controller weight 0 2 kg 0 4 Ibs Allowable Operating Ranges Type J 1 0 32 to 1500 F or 0 to 815 C 0 1 32 0 to 999 9 F or 0 0 to 815 0 C Type K 1 0 454 F to 2500 F or 270 C to 1370 C 0 1 199 9 to 999 9 F or 199 9 to 999 9 C Type T 1 0 454 F to 750 F or 270 C to 400 C 0 1 199 9 to 750 0 F or 199 9 to 400 0 C Type N 1 0 32 to 2372 F or 0 to 1300 C 0 1 32 0 to 999 9 F or 0 0 to 999 9 C Type E 1 0 454 F to 1470 F or 270 C to 800 C 0 1 199 9 to 999 9 F or 199 9 to 800 0 C Type C 1 0 32 to 4200 F or 0 to 2315C 0 1 32 0 to 999 9 F or 0 0 to 999 9 C Type D 1 0 32 to 4200 F or 0 to 2315 C 0 1 32 0 to 999 9 F or 0 0 to 999 9 C Type PTII 1 32 to 2543 F or 0 to 1395 C 0 1 32 0 to 999 9 F or 0 0 to 999 9 C Type R 1 0 32 to 3200 F or 0 to 1760 C Type S 1 0 32 to 3200 F or O to 1760C Type B 1 0 32 to 3300 F or 0 to 1816 C DIN 1 0 328 to 1472 F or 200 to 800 C 0 1 199 9 to 999 9 F or 199 9 to 800 0 C JIS 1 0 328 to 1166 F or 200 to 630 C 0 1 199 9 to 999 9 F or 199 9 t
23. in top display percent power in bottom e Input is in error condition e The sensor may be improperly wired Underflow e Sensor wiring may be reversed shorted or open Under Sensor Range e Input type setting may be for the wrong sensor may not be calibrated Over Sensor Range e Power may be incorrect Overflow e Ambient temperature may be too hot or too cold e The open loop detect shows a broken sensor e The calibration offset parameter is set much too high or low Alarms e Alarm won t occur e Alarm output may be off e Alarm set points may be incorrect e Alarm may be silenced e Alarm sides may be incorrect e Controller may be in diagnostics mode e Alarm won t clear e Alarm may be latched e Alarm set points may be incorrect e Alarm hysteresis may be incorrect Input may be in error condition Unit Errors error number in top display error message in bottom display elE H ANNA There is a RAM malfunction el r S EEcS e The EEPROM data is corrupted eEr 6 cola e There is a PROM malfunction er 1 HArd e There is a logic hardware problem s B PLUG e Module error elEr 9 cnf9 e Configuration error Module in invalid position e Ec 10 chn9 e Module changed erii Sort e New firmware is installed Ec 12 cAi e Calibration data is corrupted elE 13 Atod There is an analog to digital hardware failure Ec 14 CEh
24. mechanical relay switched dc or solid state relay output options reguires use of an R C suppressor Watlow carries the R C suppressor Quencharc brand name which is a trademark of ITW Pakron Watlow Part No 0804 0147 0000 A WARNING To avoid damage to property and equipment and or injury of loss of life use National Electric Code NEC standard wiring practices to install and operate the Series 97 Failure to do so could result in such damage and or injury or death Watlow Series 97 Wiring 3 9 NOTE Successful installation reguires five steps e Choose the controller s hardware configuration and model number Appendix e Choose a sensor Chapters 3 and 6 and Appendix e Install the controller Chapter 2 e Wire the controller Chapter 3 and e Configure the controller Chapters 4 5 and 6 NOTE Switching inductive loads relay coils solenoids etc with the mechanical relay switched dc or solid state relay output options requires use of an R C suppressor Watlow carries the R C suppressor Quencharc brand name which is a trademark of ITW Pakron Watlow Part No 0804 0147 0000 N WARNING To avoid damage to property and eguipment and or injury of loss of life use National Electric Code NEC standard wiring practices to install and operate the Series 97 Failure to do so could result in such damage and or injury or death Output 4 Wiring Fig
25. of a system when inputs change unrealistically or too fast Eguivalent to a standard resistor capacitor RC filter form A A single pole single throw relay that uses only the normally open NO and common contacts These contacts close when the relay coil is energized They open when power is removed from the coil form B A single pole single throw relay that uses only the normally closed NC and common contacts These contacts open when the relay coil is energized They close when power is removed from the coil form C A single pole double throw relay that uses the normally open NO normally closed NC and common contacts The operator can choose to wire for a form A or form B contact A 14 Appendix Watlow Series 97 hysteresis A change in the process variable reguired to re energize the control or alarm output Sometimes called switching differential integral Control action that automatically eliminates offset or droop between set point and actual process temperature See auto reset integral control I A form of temperature control The I of PID See integral isolation Electrical separation of sensor from high voltage circuitry Allows use of grounded or ungrounded sensing element Joint Industrial Standards JIS A Japanese agency that establishes and maintains standards for equipment and components Also known as JISC Japanese Industrial Standards Committee its function is simil
26. reset action PID Proportional integral derivative A control mode with three functions proportional action dampens the system response integral corrects for droop and derivative prevents overshoot and undershoot proportional Output effort proportional to the error from set point For example if the proportional band is 20 and the process is 10 below set point the heat proportioned effort is 50 percent The lower the PB value the higher the gain Watlow Series 97 Appendix A 15 proportional band PB A range in which the proportioning function of the control is active Expressed in units degrees or percent of span See PID proportional control A control using only the P proportional value of PID control range The area between two limits in which a quantity or value is measured It is usually described in terms of lower and upper limits rate Anticipatory action that is based on the rate of temperature change and compensates to minimize overshoot and undershoot See derivative rate band A range in which the rate function of a controller is active Expressed in multiples of the proportional band See PID reference junction see junction reference remote A controller that receives its set point signal from another device called the master remote set point A signal that indicates the set point for the process and is sent from another device reset Control a
27. s operation see Chapter Five Features 6 22 Parameters Watlow Series 97 Appendix Troubleshooting Alarms and Errors A 2 Modbus RTU 0 A 4 Modbus Address Chart A 10 Calibrating the Series 97 A 11 Glossary EE DE N RE ee e A 14 Specifications A 18 Ordering Information A 20 Index seen PSA sinna gb ess A 21 Prompt Index A 23 Declaration of Conformity A 24 Software Map inside back cover Warranty Information back cover Watlow Series 97 Appendix A 1 Troubleshooting Alarms and Errors Indication Probable Cause s Power e No power e Power to unit may be off e Fuse may be blown e Breaker may be tripped e Safety interlock door switch etc may be activated Wiring may be open Input Power may not be hooked up to pins 8 and 9 Communications e Unit will not communicate Address parameter may be incorrectly set e Baud rate parameter may be incorrectly set e Unit to unit daisy chain may be disconnected e Communications wiring may be reversed short or open EIA 485 converter box may be incorrectly wired e Computer COM port may be incorrectly set up e Communications software setup or address may be incorrect e Protocol or parity may be wrong should be 8 n 1 e Application software not working properly e May need termination and pull up and pull down resistors Input Error error number
28. source to terminals 6 and 7 with copper wire 3 Enter 50 000mV from the millivolt source Allow at least 10 seconds to stabilize Set Thermocouple Calibration 50mV Input Calibration Menu to 9 5 Press the Advance Key to store 50 000mV input and move to the next prompt 4 Enter 0 000mV from the millivolt source Allow at least 10 seconds to stabilize Set Thermocouple Calibration OmV Input Calibration Menu to SES Press the Advance Key to store 0 000mV input and move to the next prompt 5 Disconnect the millivolt source and connect the reference compensator or thermocouple calibrator to terminals 6 and 7 With type J thermocouple wire if using a compensator turn it on and short the input wires When using a type J calibrator set it to simulate 32 F 0 C Allow 10 seconds for the controller to stabilize Set Thermocouple Calibration 32 Input Calibration Menu to SES Press the Advance Key to store type J thermocouple calibration and move to the next prompt 6 Rewire for operation and verify calibration RTD Input Procedure Equipment Required e 1kQ decade box with 0 01 resolution Input 1 Setup and Calibration 1 Connect the correct power supply to terminals 8 and 9 see Chapter Three and the Appendix 2 Short terminals 5 6 and 7 together with less than 0 10 Set Ground Input Calibration Menu to SES Press the Advance Key to store ground input and move to the next prompt 2 Short ter
29. would turn off automatically NG Alarm Low Set Point Temperature Process Temperature Time Figure 5 9 Alarm latching Watlow Series 97 Features 5 9 Alarm Silencing Alarm silencing has two uses 1 Itis often used to allow a system to warm up after it has been started up With alarm silencing on an alarm is not triggered when the process temperature is initially lower than the alarm low set point The process temperature has to enter the normal operat ing range beyond the hysteresis zone in order to activate the alarm function 2 Alarm silencing also allows the operator to disable the alarm output while the controller is in an alarm state The process temperature has to enter the normal operating range beyond the hysteresis zone in order to activate the alarm output function Alarm Silencing 2 Output 2 Menu allows you to view or change whether alarm silencing is on If Alarm Annunciation 2 Output 2 Menu is set to YES the out put 2 indicator light will remain on and an alarm message will appear in the display even though the alarm is silenced Alarm High VA Point Hysteresis Process Temperature Normal Operating Range Alarm enabled Temperature Hysteresis Startup Alarm DM Low Alarm triggered Set Point disabled poa 2 Time Figure 5 10 Alarm silencing 5 10 Features Watlow Series 97 Communications Overview A Series
30. write Operations Page Monitor Select Limit Go to an operations Alarm if any alarms are active menu Monitor Menu Operations Page Process 1 100r Active if Operations Page Mode Monitor the process Lockout Menu is not set to 1 value h IdE L St Limit Status SAFE 0 319r Active if Operations Page Mode Monitor the hy Lockout Menu is not set to condition of limit Lol h dE AL d Alarm 2 Status non 0 106 r Active if Output 2 Output 2 Monitor alarm 2 Lo D Menu issetto BL and Stats h a 2 Operations Page Mode Lockout Menu is not set to h dE AL 3 Alarm 8 Status nong 0 110r Active if Output 3 Output 3 Lo D Menu issetto BL and Monitor alarm 3 E Status h 2 Operations Page Mode Lockout Menu is not set to h dE CD EX o Alarm 4 Status nont 0 114r Active if Output 4 Output 4 e Monitor alarm Lo D Menu issetto At and v status h 2 Operations Page Mode Lockout e Menu is not set to h dE E E St Event Input Status F AL 5 false 0 201r Active if Input 2 Input 2 Menu E Monitor the event Er E true 1 is set to event input input status is not set to and Operations Page Mode Lockout Menu is not set to 2 hid NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features 6 4 Parameters Watlow Series 97 Disp
31. 0341 340 Alarm 3 Low 41604 6 1603 6 RTD Calibration 150 40342 341 Alarm 3 High 41604 7 1603 7 RTD Calibration 3800 40508 507 Limit Hysteresis 41620 1619 Output Calibration 4 4mA 40601 600 Sensor Type 1 41621 1620 Output Calibration 4 20mA 40602 601 Input 1 41622 1621 Output Calibration 4 1V 40603 602 Range Low 1 41623 1622 Output Calibration 4 10V 40604 603 Range High 1 41708 1707 High Resolution 40605 604 Input Software Filter 1 40606 605 Calibration Offset 40607 606 Decimal 1 40608 607 Input Error Latching 40612 611 Input 2 40701 700 Limit Active Sides 40702 701 Low Limit Set Point 40703 702 High Limit Set Point 40718 717 Output 2 40721 720 Alarm Hysteresis 2 40722 721 Latching 2 40723 792 Silencing 2 40724 723 Alarm Active Sides 2 40725 724 Alarm Logic 2 40726 795 Alarm Annunciation 2 40735 734 Output 3 40738 787 Alarm Hysteresis 3 40739 738 Latching 3 40740 739 Silencing 3 40741 740 Alarm Active Sides 3 40742 741 Alarm Logic 3 40743 742 Alarm Annunciation 3 40902 901 CorF 41061 1060 Event Function 41062 1061 Event Condition 41302 1301 Operations Page Mode Lock 41303 1302 Setup Page Lock 41306 1305 Calibration Menu Lock 41401 1400 Address A 10 Appendix Watlow Series 97 Calibrating the Series 97 To enter the a calibration menu first warm up the unit then enter the Factory Page by holding down the Reset Key and for six seconds Once in the Factory Page use the up arrow O or down arrow Q key to select a menu The
32. 6 Input2 3 6 Output1 3 7 Output2 3 8 Output3 3 9 Output 4 3 10 wiring example 3 4 wiring notes 3 5 A 22 Appendix Watlow Series 97 Prompt Index Output Calibration 4 1V 6 21 Output Calibration 4 4mA 6 21 Output Calibration 4 10V 6 21 Output Calibration 4 20mA 6 21 KU ng EI E3 LE S gt D M ER Alarm 2 High 6 5 Alarm 2 Low 6 5 Alarm 3 High 6 6 Alarm 3 Low 6 5 Alarm 4 High 6 6 Alarm 4 Low 6 6 Analog Output Offset 6 13 Ambient A D Counts 6 19 Addr Address 6 14 A h 1 Analog Output High 6 14 AL 2 Alarm 2 Status 6 4 AL 3 Alarm 3 Status 6 4 AL Y Alarm 4 Status 6 4 ALTA Alarm Menu 6 5 6 6 A Lo Analog Output Low 6 13 API Ambient Temperature 6 19 Aaue Alarm Annunciation 2 6 11 Anu 3 Alarm Annunciation 3 6 12 Anut Alarm Annunciation 4 6 13 Bout Analog Output 4 6 13 D M Ping o 39 paang o 39 LEI i gt 39 L o D mm D 3 Pr bAUd Baud Rate 6 13 C CAL Calibration Menu Lock 6 17 CAL I Calibration Offset 6 5 c in Input Calibration Menu A 11 C F CorF 6 16 cat I Channel 1 A D Counts 6 19 cnt Channel 2 A D Counts 6 19 cout Output Calibration Menu A 11 D dike Date of Manufacture 6 17 JET 1 Decimal 1 6 8 dEL EI Default Settings 6 20 d 29 Diagnostics Menu 6 17 6 19 d 5P Display Men
33. 6 02 C3 A1 Example Exception 03 Cannot write 12 000 0x2EEO to register 7 out of range illegal data value Sent 01 06 02 59 2E EO 44 49 Received 01 86 03 81 82 NOTE For more information about communicating with Watlow controllers go to www watlow com and download the Data Communications Reference Electronic User s Manual It is located under Literature User s Manuals English and search on data communications reference A 8 Appendix Watlow Series 97 Cyclical Redundancy Checksum CRC Algorithm This C routine calc crc calculates the cyclical redundancy checksum CRC for a string of characters The CRC is the result of dividing the string by 0xA001 Modbus applications calculate the packet s CRC then append it to the packet define POLYNOMIAL 0xA001 unsigned int calc crc unsigned char start of packet unsigned char end of packet unsigned int crc unsigned char bit count unsigned char char ptr Start at the beginning of the packet char ptr start of packet Initialize CRC crc Oxffff Loop through the entire packet dol Exclusive OR the byte with the CRC crc unsigned int char ptr Loop through all 8 data bits bit count 0 dol If the LSB is 1 shift the CRC and XOR the polynomial mask with the CRC if crc amp 0x0001 crc gt gt 1 crc As POLYNOMIAL If the LSB is 0 shift the CRC only else crc gt gt 1
34. 97 controller can also be programmed and monitored by connecting it to a personal computer or programmable logic controller PLC via serial communications To use this communications option a Series 97 must be equipped with an output 4 communications board for EIA TIA 485 97 U which allows as many as 32 controllers on a 4 000 foot long network or EIA TIA 232 97__ R which allows a single con troller to be connected to a computer The Series 97 uses an 8 N 1 data format eight data bits no parity one stop bit and one start bit To view or change controller settings with a personal computer you need to run software that uses the Modbus RTU protocol to read or write to registers in the controller These reg isters contain the parameter values that determine how the controller will function and the values that reflect the current input and output values of the system The parameters chap ter lists the modbus address and range for each parameter Refer to setup parameter table for setup order Communications parameters appear in the Output 4 Menu Setup Page Match the Baud Rate to that of the computer and select an Address for each Series 97 The wiring chapter shows how to wire a Series 97 controller for EIA TIA 485 or EIA TIA 232 communications The Appendix provides technical information about programming for Modbus RTU NOTE For more information about communicating with Watlow controllers go to www watlow com and
35. Collar T Mounting Collar Front Bezel N mi AP Customer s Front Panel 325 3 875 RA 8 6 mm 98 4 mm Figure 2 2a Installing the controller Figure 2 2b Series 97 gap dimensions N CAUTION Follow the installation procedure exactly to guarantee a proper NEMA 4X seal Make sure the gasket between the panel and the rim of the case is not twisted and is seated properly Failure to do so could result in damage to equip ment NOTE Be careful not to over tighten the screws This may cause the mounting cover to fail Over tightening occurs when the front bezel is touching the customer s front panel 2 2 Installation Watlow Series 97 Removing the Series 97 Controller 1 Hold the controller with one hand while using the other hand to loosen the screws with a 2 Phillips screwdriver until the end of the screw is flush or past the end of the can tilevers see the figure below 2 After the screws have been loosened hold the controller with one hand while sgueezing the two screws together with the other hand Then simply slide the mounting collar off the controller Figure 2 3 Removing the controller Watlow Series 97 Installation 2 3 Notes 2 4 Installation Watlow Series 97 Chapter Three Wiring Power Wiring soke 3 3 Sensor Installation Guidelines 3 3 Wiring Example 3 4 Wiring Notes 3 5 Inp t ME E aisti Ru doe 3 6 Input 2 EE ss eb exc AES 3 6 Output 1 Limit Output Wiring
36. English Classification 89 336 EEC Electromagnetic Compatibility Directive EN 61326 1997 With A1 1998 Electrical equipment for measurement control and laboratory use EMC requirements Industrial Immunity Class A Emissions EN 61000 4 2 1996 With A1 1998 Electrostatic Discharge Immunity EN 61000 4 3 1997 Radiated Field Immunity EN 61000 4 4 1995 Electrical Fast Transient Burst Immunity EN 61000 4 5 1995 With A1 1996 Surge Immunity EN 61000 4 6 1996 Conducted Immunity EN 61000 4 11 1994 Voltage Dips Short Interruptions and Voltage Variations Immunity EN 61000 3 2 1995 With A1 3 1999 Harmonic Current Emissions EN 61000 3 3 1995 With A1 1998 Voltage Fluctuations and Flicker 73 23 EEC Low Voltage Directive EN 61010 1 1993 With A1 1995 Safety Requirements of electrical equipment for measurement control and laboratory use Part 1 General requirements D clare que le produit suivant D signation Num ro s de mod le s Francais S rie 97 97 A ou B 0 ou 1 D A C D ou K A ou D A D R U ou M quatre chiffres ou lettres quelconques Composant de s curit limiteur de temp rature installation cat gorie Il degr de pollution 2 100 240 V c a ou 24 28 V c a ou c c 50 ou 60 Hz Classification Tension nominale Fr quence nominale Consommation d alimentation nominale 7 VA maximum R pond aux normes essentielles des directives suivantes de l Union europ enn
37. Installing and mounting reguires access to the back of the panel 1 Make the panel cutout using the tear out mounting template found on the previous page or the dimensions found in this chapter 2 Check to see that the gasket is properly seated into the gasket channel on the front bezel and that it is not twisted Make sure that the rounded surface of the gasket is the surface that is exposed from the gasket channel as this is the surface that will mate to the panel surface Insert the controller into the panel cutout 3 With the controller inserted into the panel cutout take the retention collar and slide it over the controller making certain that the two locating holes in the retention collar are visible from the rear of the controller with one hole pointing up and one pointing down Then take the mounting collar and slide it over the controller making certain that one cantilever is pointing up and one is pointing down also With one hand holding the con troller and the other hand using a 2 Phillips screw driver tighten the two screws in the mounting collar until the gap between the bezel and panel surface is 025 maxi mum See figure below Make sure that you cannot move the controller back and forth in the cutout If you can you do not have a proper seal 025 Maximum gap rt Retention
38. LOW TER Output 102 3 4 Limit Relay Input 1 mm am a Process Output 2 Alarm Output 3 Alarm Output 4 Alarm Analog or Communications Input 2 Remote Reset or Hardware Lockout Figure 1 1 Series 97 inputs and outputs Watlow Series 97 Overview 1 1 Setup Steps What to do How to do it 1 Install the controller See Chapter Two 9 Wire the controller See Chapter Three Configure the controller for Chapter Four explains the keys displays and software your application navigation Chapter Five explains features such as alarms and con trol methods Chapter Six lists parameter descriptions ranges Modbus numbers and other information 4 Set up communications The controller must be equipped for communications 97 U or97 R See Chapter Five Chapter Six and the Appendix 1 2 Overview Watlow Series 97 Chapter Two Installation 1 77 to 1 79 WATLOW LIMIT 97 a 44 96mm to 45 47mm mel 102 3 4 Panel Cutout Panel Thickness 1 77 to 1 79 44 96mm 0 06 to 0 38 to 45 47mm 1 5 to 9 7 mm 0 540 13 72mm Minimum 1 0 310 7 874mm i a Figure 2 1 Series 97 multiple panel cutout dimensions NOTE Measurements between panel cutouts are the minimum recommended For rapid mounting use Greenlee 1 16 DIN punch die draw stud part number 60287 Watlow Series 97 Installation 2 1 Installing the Series 97 Controller
39. Menu is not set to nonE and Setup Page Lock Lockout Menu is not set to h sd E Output 1 Menu SEE Setup Page LS vd Limit Active Sides both 0 700 r w Active Always Selects output 1 high 1 active sides Lo Jlow 2 e D Limit Hysteresis 1 to 9999 507 r w Active Always Sets the switching hysteresis for output E 1 S S 3 N Output 2 Menu SEE Setup Page 2 DE d Output 2 off 0 717 r w Active if Output 2 hardware is 2 Selects output 2 CAL jalarm 1 present not 97 A _ E function _ and Setup Page Lock 5 KT Gel NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 9 Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Alarm Hysteresis 1 to 9999 3 720 r w Active if Output 2 is enabled 2 hardware is present not 97 Sets the switching ET SE AE Output 2 hysteresis for the Output 2 Menu is set to alarm output This At Alarm and Setup N defines a band on Page Lock Lockout Menu is the inside of the not set to h dE alarm set point When the process temperature is in this band the alarm state will not change LAto Latching 2 no no action 0 721 rw Active if Output 2 Output 2 Enables Alarm 2 YES latching Menu is set to AL Alarm Latching enabled 1 and Setup Page Lock Lockout Menu is not set to h gf 5
40. Outputs 1 through 4 are grouped together This does not apply to Output 4 when it is configured for communications e If Output 4 is configured for communications it is isolated from the the other inputs and outputs Isolation Blocks There are no electrical connections between these blocks INPUT Input 1 Input 2 OUTPUT Output 1 Output 2 Output 3 Output 4 unless Output 4 is used for communications COMMUNICATIONS Output 4 if Output 4 is used for communications Figure 3 2 Isolation blocks 3 2 Wiring Watlow Series 97 A CAUTION If high voltage is applied to a low voltage unit irreversible damage will occur AA WARNING To avoid damage to property and eguipment and or injury of loss of life use National Electric Code NEC standard wiring practices to install and operate the Series 97 Failure to do so could result in such damage and or injury or death N CAUTION Maintain isolation between input 1 and input 2 to prevent a ground loop A ground loop may cause incorrect readings dashes across the upper display or the display of error codes Failure to follow this guideline could result in damage to equipment Power Wiring 100 to 240V ac nominal 85 to 264 actual 97 A_ 24 to 28Vx ac dc nominal 21 to 30 actual 97 B_ 13 14 15 909 peo 16 17 18 OOS 19 20 21 1 2 3 4 5 6 7 6 O D S e S O Figure 3 3 Power wiring
41. Parameters to Appear read write Factory Page LOC Lockout Menu Active Always Selection Diagnostics Choose factory menu Menu to enter Calibration 1 Menu c o u E Process Output Calibration Menu Lockout Menu Factory Page Operations Page hide 0 1301 r w Active Always Mode Lock change 1 Sets the Operations read 2 Page lockout level SEL Setup Page Lock hide 0 1302 r w Active Always Sets the Setup Page change 1 lockout level read 2 CAL Calibration Menu h d hide 0 Active Always Lock cha QJ change 1 Sets the calibration Ve E Ad read 2 menu lockout level Diagnostics Menu Factory Page o Model Number 97 97 Or Active Always Reads the model number of the ED controller gt BG gt dJAEE Date of 0197 to 9999 0197 5r Active Always o Manufacture S Displays date as wg WEEK YEAR WWYY NOTE For more information about how parameter seetings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 17 mu zo rr m m D a CD as Les o K E CH N Ke Dn CH Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Serial Number 1 0 to 9999 none lr Active Always Reads the first four digits of the serial number Serial Number 2 0 to 9999 none 2r Active Always Reads the last four digits
42. Uo M Cualquier combinaci n de cuatro n meros y letras Control de temperatura Categoria de instalaci n Il Grado de contaminaci n 2 Tensi n nominal 100 a 240V CA o24 a 28 Vx CA o CD Frecuencia nominal 50 0 60 Hz Consumo nominalde energia 7 VA maximo Cumple con los requisitos esenciales de las siguientes Directrices de la Union Europea mediante el uso de las normas aplicables que se muestran a continuaci n para indicar su conformidad Clasificaci n 89 336 EEC Directriz de compatibilidad electromagn tica EN 61326 1997 CON A1 1998 Equipo el ctrico para medici n control y uso en laboratorio Requisitos EMC Inmunidad industrial Emisiones Clase A EN 61000 4 2 1996 con A1 1988 Inmunidad a descarga electrost tica EN 61000 4 3 1997 Inmunidad a campo radiado EN 61000 4 4 1995 Inmunidad a incremento repentino r pidas fluctuaciones el ctricas transitorias EN 61000 4 5 1995 con A1 1996 Inmunidad a picos de voltaje o corriente EN 61000 4 6 1996 Inmunidad por conducci n EN 61000 4 11 1994 Inmunidad a caidas de voltaje variaciones y peque as interrupciones de voltaje EN 61000 3 2 1995 con A1 3 1999 Emisiones de corriente arm nica EN 61000 3 3 1995 con A1 1998 Fluctuaciones de voltaje y centelleo 73 23 EEC Directriz de bajo voltaje EN 61010 1 1993 con A1 1995 Requisitos de seguridad de equipo el ctric para medici n control y uso en laboratorio Parte 1 Requisitos generales Winona
43. all Event Low Event switch closed Time Figure 5 6 Event inputs 5 6 Features Watlow Series 97 Retransmit The retransmit output can be used to transmit an analog signal representing the value of the input process variable The retransmit signal can be configured as either a milliamp or a voltage signal In choosing the type of retransmit signal the operator must take into account the input impedance of the external device and the reguired signal type either volt age or milliamps A typical application might use the retransmit option to record a process value with a chart recorder Temperature Controller Limit Controller Heat treat Oven input 1 limit temperature sensor sensor heater Chart Recorder Figure 5 7 Retransmit example In the example a Series 96 is being used to control the temperature of a heat treat oven and the Series 97 is being used as a safety limit with a retransmit output Output 4 of the Series 97 must be equipped for retransmit 97 M The temperature of the limit process value is being recorded on a chart recorder The oven temperature range stays between 600 to 900 F The chart recorder requires a 4 20mA sig nal Set Analog Output 4 Output 4 Menu to Process 1 and Process 4 Output 4 Menu to to tag the input 1 process value as the parameter to be retrans mitted Set Analog Output High to 900 to set the high range for the retransmit sig nal Set Analog Output L
44. ally open momentary switch SU TIN 97A1 DDAA 00RR Limit Controller 96AO CAAA OORR rear view process sensor limit sensor 120V ac Series 96 96A0 CAAA 00RR Temperature Controller GO O DIN a mite DA10 24C0 0000 Series 97 1 97A1 DDAA 00RR Limit Controller 0000 000 high temperature light Figure 3 4 System wiring example 3 4 Wiring Watlow Series 97 AN WARNING To avoid damage to property and eguipment and or injury of loss of life use National Electric Code NEC standard wiring practices to install and operate the Series 97 Failure to do so could result in such damage and or injury or death Wiring Notes Sketch in your application on this page or a copy of it See the wiring example in this chapter Figure 3 5 Wiring notes Watlow Series 97 Wiring 3 5 NOTE Successful installation reguires five steps e Choose the controller s hardware configuration and model number Appendix e Choose a sensor Chapters 3 and 6 and Appendix e Install the controller Chapter 2 e Wire the controller Chapter 3 and e Configure the controller Chapters 4 5 and 6 N WARNING To avoid damage to property and eguipment and or injury of loss of life use National Electric Code NEC standard wiring practices to install and operate the Series 97 Failure to do so could result in such damage and or injury or death
45. ar to Germany s Deutsche Industrial Norm DIN junction cold Connection point between thermocouple metals and the electronic instrument See junction reference junction reference The junction in a thermocouple circuit held at a stable known temperature cold junction Standard reference temperature is 32 F 0 C Modbus A digital communications protocol owned by AEG Schneider Automation for industrial computer networks Modbus RTU Remote Terminal Unit an individual Modbus capable device on a network NEMA 4X A NEMA specification for determining resistance to moisture infiltration This rating certifies the controller as washable and corrosion resistant on off controller A temperature controller that operates in either full on or full off modes open loop A control system with no sensory feedback output Control signal action in response to the difference between set point and process variable overshoot The amount by which a process variable exceeds the set point before it stabilizes P control Proportioning control PD control Proportioning control with derivative rate action PDR control Proportional derivative control with manual reset used in fast responding systems where the reset causes instabilities With PDR control an operator can enter a manual reset value that eliminates droop in the system PI control Proportioning control with integral auto
46. ardware E Eo u E Test Output d 1SP Test Displays hr 5 High Resolution ANT Ambient Temperature fic aE Ambient A D Counts cat I Channel 1 A D Counts c nt od Channel 2 A D Counts Loof Line Frequency The Factory Page also includes calibration parameters that are not necessary for everyday use of the controller Calibration para meters and procedures are explained in the Appendix Watlow Series 97 Appendix A 25 How to Reach Us Contact TOTAL Your Authorized Watlow Distributor is CUSTOMER SATISFACTION 3 Year Warranty Quality and Mission Statement Watlow Winona will be the world s best supplier of industrial temperature control products services and systems by exceeding our customers employees and shareholders Phone 507 454 5300 expectations e Fax 507 452 4507 For technical support ask for an Applications Engineer To place an order ask for Customer Service To discuss a custom option ask for a Series 97 Product Manager Warranty The Watlow Series 977 is warranted to be free of defects in material and work manship for 36 months after delivery to the first purchaser for use providing that the units have not been misapplied Since Watlow has no control over their use and sometimes misuse we cannot guarantee against failure Watlow s obligations hereunder at Watlow s option are limited to replacement repair or refund of pu
47. arm hysteresis defines how far the process must return into the normal operating range before the alarm can be cleared The alarm hysteresis value for output 2 can be viewed or changed with Hysteresis 2 Output 2 Menu High Side Alarm Range Alarm High Set Point y Alarm Hysteresis Normal Operating Range Temperature Alarm Hysteresis Alarm Low Set Point Low Side Alarm Range Time Figure 5 8 Alarm settings 5 8 Features Watlow Series 97 Process A process alarm uses one or two absolute set points to define an alarm condition The alarm process value of output 2 can be viewed or changed with Alarm 2 High and Alarm 2 Low Alarm Menu Alarm Latching A latched alarm will remain active after the alarm condition has passed It can only be deactivated by the user An alarm that is not latched will deactivate automatically when the alarm condition has passed Alarm 2 Latching Output 2 Menu allows you to view or change whether the out put 2 alarm will latch Clear a latched alarm by pressing the Reset key after the alarm condition has passed The alarm state begins when the temperature reaches the alarm high set point Alarm High Set Point V Alarm Hysteresis Normal Operating Range The alarm state continues until the temperature drops to the alarm high set point minus the hysteresis A latching alarm could be turned off by A the operator at this point A non latching alarm
48. ath NOTE If the system does not work properly it may need termination resistors at each end of the network A typical installation would require a 120 ohm resistor across the transmit receive terminals 19 and 21 of the last controller in the network and the converter box or serial card Pull up and pull down resistors may be needed to main tain the correct voltage during the idle state E Figure 3 11a EIA 232 to EIA 485 Conversion Li P 7 120V ac Di el G 9V dc see note SH QVe s 2 o O G COM 20 N xt Y T R lt lt lt SM BO TUR 21 ui u amp 4 Aa R lt O BO 0219 0217 0000 Q Aa 7 ft comms cable TD A T R 19 o TD B EON 21 o RD A COM 20 RE avata Eas O GND Power Supply 120V ac 56 12V dc AD 1210 oO GND 232 power B amp B Converter B amp B Electronics Manufacturing Company 815 433 5100 CMC Converter CMC Connecticut Micro Computer Inc 800 426 2872 5V Converter box termination B with pull up and pull down A resistors GND T R T R 1KQ 1200 1KQ Figure 3 11b Termination for EIA 232 to EIA 485 Converter Watlow Series 97 Wiring 3 11 Notes 3 12 Wiring Watlow Series 97 Chapter Four Navigation and Software Keys and Displays
49. counts Channel 2 A D Counts Displays the raw channel 2 A D counts Communication Test and Troubleshooting Helps solve problems with the controller Line Frequency Displays the AC line frequency in Hz none 0 Output 1 1 Output 2 2 Output 3 3 Output 4 4 all outputs 5 1 a th Bi turn off cyclical display test 0 turn on the cyclic display test 1 0 0 to 99 9 L n0 00 sends Modbus packet every one second 2 none none none none none none none 1514 r w 1513 r w 1707 r 1500r 1501r 1504r 1505 r 1515r Active Always Active Always Active Always Active Always Active Always Active Always Active Always D e o N S S D ES G CL N Active Always NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 19 mu D I puma o lt Wel K CD n c zo S D 5 CH Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Input Calibration Menu Factory Page Restore Factory C ng No 0 1601 w Active if Calibration Lock Calibration YES Yes 1 Lockout Menu is not set to Restores factory calibration Stores factory calib
50. ction that automatically eliminates offset or droop between set point and actual process temperature Also see integral automatic reset The integral function of a PI or PID temperature controller that adjusts the process temperature to the set point after the system stabilizes The inverse of integral automatic power reset A feature in latching limit controls that does not recognize power outage as a limit condition When power is restored the output is re energized automatically as long as the temperature is within limits manual reset 1 A feature on a limit control that requires human intervention to return the limit to normal operation after a limit condition has occurred 2 The adjustment of a proportional control to raise the proportional band to compensate for droop resistance temperature detector RTD A sensor that uses the resistance temperature characteristic to measure temperature There are two basic types of RTDs the wire RTD which is usually made of platinum and the thermistor which is made of a semiconductor material The wire RTD is a positive temperature coefficient sensor only while the thermistor can have either a negative or positive temperature coefficient RTD See resistance temperature detector thermal system A regulated environment that consists of a heat source heat transfer medium or load sensing device and a control instrument thermocouple t c A temperature sensing de
51. d e There is an EEPROM hardware problem elEr IS nELJ e t is the new unit s first power up Ec 16 Addr e There is an EEPROM hardware problem A 2 Appendix Watlow Series 97 Corrective Action Check switches fuses breakers interlocks limits connectors etc for energized condition and proper connection Measure power upstream for reguired level Check part number for input power reguired e Check wire size e Check for bad or incorrect connections Check comms setup menu and set to correct address Check comms setup menu and set to correct baud rate Look for a break in the daisy chain Verify correct connections and test wiring paths Check converter box wiring and its documentation Reconfigure computer s COM port setup and verify communications ok Check the communication card documentation for setable variables and operational testing Restart COMS software and check for settings agreement Verify the COM bus is active e Verify operation with Watlow comms tool Check sensor connections Check sensor connections and sensor wiring Change the Sensor Type parameter to match the sensor hardware Measure power upstream for required level Check part number for power requirements Verify that the temperature surrounding the controller is 32 to 149 F 0 to 65 C Check sensor function The Open Loop Detect parameter indicates it may be broken Check the Calibration Offset parameter va
52. dress Parameters to Appear read write Active if Setup Page Lock Lockout Menu is not set to h ide C Ec 600 r w Active if Setup Page Lock Lockout Menu is not set to h ide If Sensor 601 r w Active if Setup Page Lock Type Input Lockout Menu is not set to 1 Menu is h dE changed to thermocoup le J if Sensor Type is changed to RTD Cd in NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 7 ES 2 S D G apad xD Ke c ai puma K me E K CD K ai Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Range Low 1 602 r w Active if Setup Page Lock Sets the input range Lockout Menu is not set to low This setting is ih dE the lowest value that the set point can have Range High 1 603 r w Active if Setup Page Lock Sets the input range Lockout Menu is not set to high This setting is hide the highest value that the set point can have Decimal 1 If Set Sensor Type is 0 606 r w Active if Setup Page Lock Sets the position of RTD thermocouple Lockout Menu is not set to the decimal point for excluding R S or B hide input readings thermocouple CL 8 0 0 200 00 Fer I Input Software 60 0 to 60 0 0 or 1 0 if 604 r w Active if Setup Page Lock F
53. e en utilisant les standards normalis s ci dessous qui expliquent les normes auxquelles r pondre Directive 89 336 CEE sur la compatibilit lectromagn tique EN 61326 1997 avec A1 1998 Mat riel lectrique destin l talonnage au contr le et l utilisation en laboratoire Exigences CEM Immunit industrielle Emissions de cat gorie A EN 61000 4 2 1996 Avec A1 1998 Immunit aux d charges lectrostatiques EN 61000 4 3 1997 Immunit aux champs de radiation EN 61000 4 4 1995 Immunit contre les surtensions lectriques rapides Rafale EN 61000 4 5 1995 avec A1 1996 Immunit contre les surtensions EN 61000 4 6 1996 Immunit conduite EN 61000 4 11 1994 Immunit contre les carts de tension interruptions courtes et variations de tension EN 61000 3 2 1995 avec A1 3 1999 Emissions de courant harmoniques EN 61000 3 3 1995 avec A1 1998 Fluctuations et vacillements de tension Directive 73 23 CEE sur les basses tensions EN 61010 1 1993 avec A1 1995 Normes de s curit du mat riel lectrique pour la mesure le contr le et l utilisation en laboratoire 1ere partie Conditions g n rales 2196 Erkl rt da das folgende Produkt Beschreibung Modellnummer n Deutsch Serie 97 97 A oder B 0 oder I D A C D oder K A oder D A D R U oder M 4 beliebige Buchstaben oder Ziffern Temperaturregler Installationskategorie II Verschmutzungsgrad 2 Klassifikation
54. e Actual Temperature Temperature Actual Process Temperature Time Figure 5 3 Calibration offset Watlow Series 97 Features 5 3 Filter Time Constant A time filter smooths an input signal by applying a first order filter time constant to the signal Either the displayed value or both the displayed and control values can be filtered Filtering the displayed value makes it easier to monitor View or change the input 1 time filter with Filter Time Constant 1 Input 1 Menu A positive value affects only the viewed values A negative value affects both the viewed and control values Unfiltered Input Signal Temperature Time Filtered Input Signal Temperature Time Figure 5 4 Filtered and unfiltered input signals 5 4 Features Watlow Series 97 Sensor Selection You need to configure a controller to match the input device which is normally a thermo couple or RTD When you select an input device the controller automatically sets the input linearization to match the sensor It also sets high and low limits which in turn limit the range high and range low values Use Sensor Type 1 5En fand Input 1 Input 1 Menu to select the appropriate sensor for input 1 Range Low and Range High The controller constrains the set point to a value between range high and range low Range high cannot be set higher than the sensor high limit or lower than range low Range low cannot be set lower than th
55. e sensor low limit or higher than range high Use Range Low 1 and Range High 1 Input 1 Menu to select or view values for the corresponding input 1 parameters High Limit of selected Sensor Range ES Range High Range between High Limit of Sensor and Range Low Range High lemperature m Range ims Range Low Range between Low Limit of Sensor and Range High mi Low Limit of selected Sensor Range Figure 5 5 Sensor ranges Watlow Series 97 Features 5 5 Event Input With an event input an operator can perform certain operations on a system by opening or closing a switch or applying a dc logic signal to the controller This feature can add conve nience safety or security to a system Use Event Input Status Monitor Menu to read the state of the event input para meter Use Event Function Input 2 Menu to select how an event will affect the system non Events will not affect the system L c St Clear Limit L OC Lock out key board Clear an alarm Condition Input 2 Menu to select what condition will trigger an event Lo Low generates an event while the voltage is low switch closed h High generates an event while the voltage is high switch open r 15E Rise changes the event state when the voltage changes from low to high FALL Fall changes the event state when the voltage changes from high to low High Event Switch open Voltage Rise Event F
56. ect a parameter in a menu Setup Page 400 C LOC custom Menu O to select a value E JJ Factory Page to enter a value and go to the next parameter RESET anytime to return to the Home Page Factory Page Software Map F N PT Limit Menu Home Page BE 10 Value Operations Page PE DPE Operations Page Limit Status O i U Lo Low Limit Set Point o TEE 1 High Limit Set Point Sf L N Calibration Offset hy o Monitor Menu OPEr A Operations Page Process 1 e Limit Status Alarm 2 Status Alarm 3 Status At Y Alarm 4 Status E St Event Input Status UR Alarm Menu Ski GPE Operations Page AL o Alarm 2 Low ol 92h Alarm 2 High ji AFL o Alarm 3 Low o 1 fe R3h Alarm 3 High RYL o Alarm 4 Low RYA Alarm 4 High Figure 4 4 Software Map 4 4 Navigation Watlow Series 97 Hert Input 1 Menu E Setup Page n 1 Sensor Type 1 ta 1 Input 1 cl 1 Range Low 1 rh 1 Range High 1 EC I Decimal 1 Fer 1 Input Software Filter 1 Y Input 2 Menu SEE N SEE Setup Page in Input 2 1 E Fa Event Function U E cn Event Condition Setup ode aaa i J Output 1 Menu SEE GH Setup Page id Set Limit Active Sides UI h Limit Hysteresis o i 9 C3 c nr Du o utput 2 Menu SEE f SEE Setup Page t Output 2 Alarm Hysteresis 2 Latching 2 Silencing 2 Alarm Active Sides 2 Alarm Logic 2 Alarm Annunciation 2 ra pi
57. ectric Code NEC standard wiring practices to install and operate the Series 97 Failure to do so could result in such damage and or injury or death Output 2 Alarm Output Wiring Figure 3 8a AC Outputs eElectromechanical relay without contact suppression 97 D Form C 2 amps off state impedance 31MQ 16 17 18 18usedfor N NO COM N C D outputs only eSolid state relay without contact suppression mm 000 97 T K 19 20 21 0 5 amps off state l impedance 31MQ a es L2 L1 Figure 3 8b Switched DC Open Collector 97__ _C__ NE Switched DC La J X configuration 16 17 18 18 COM i i Maximum voltage 17 28V do meng Circuitry Maximum current 30mA Switched DC Open collector configuration Maximum voltage 42V dc Maximum current 200 mA 3 8 Wiring Watlow Series 97 Output 3 Alarm Wiring NOTE Successful installation Figure 3 9 AC Outputs reguires five steps Electromechanical Relay without Contact Suppression Choose the controller s hardware configuration 97 E Dis and model number Form C 2 amps off state impedance 31MO Appendix e Choose a sensor Chapters 3 and 6 and S e Appendix e Install the controller 5 Chapter 2 6 7 e Wire the controller Chapter 3 and e Configure the controller Chapters 4 5 and 6 customer supplied NOTE Switching inductive loads relay coils solenoids etc with the
58. eered controls which they can incorporate into their products with confidence Watlow Winona resides in a 100 000 square foot marketing engineering and manufacturing facility in Winona Minnesota ii Table of Contents Watlow Series 97 Chapter One Overview Introduction Watlow s Series 97 is a microprocessor based controller with a single input second auxiliary input and four outputs Input 1 is used to measure temperature from a thermocouple or RTD sensor Input 2 can be utilized as a remote reset switch or a hardware lockout switch With up to four outputs the controller is versatile in handling applications that reguire a high low limit alarms retransmit and communications The controller is so user friendly it can be set up to display safety and limit messages created by the end user to meet the exact application need The Series 97 limit controller is added to thermal applications to limit over temperature conditions The Series 97 controller provides safety assurance against instances where a high temperature runaway condition could occur from a shorted input sensor or an output device that could fail in a closed position The Series 97 is recommended for any application where thermal runaway could result in large product scrap costs affect operator safety cause damage to eguipment or create a fire hazard The Series 97 is manufactured by ISO 9001 registered Watlow Winona and reliably backed by a three year warranty WAT
59. encounter a problem with your Watlow controller see the Trouble shooting Table in the Appendix and review all of your configuration informa tion to verify that your selections are consistent with your application inputs outputs alarms limits etc If the problem persists after checking the above you can get technical assistance from your local Watlow representative or by dialing 507 454 5300 An applications engineer will discuss your application with you Please have the following information available when calling Complete model number All configuration information User s Manual Diagnostic menu readings Your Feedback Your comments or suggestions on this manual are welcome Please send them to Technical Writer Watlow Winona 1241 Bundy Blvd P O Box 5580 Winona MN 55987 5580 phone 507 454 5300 fax 507 452 4507 The Series 97 User s Manual is copyrighted by Watlow Winona Inc O February 2002 with all rights reserved 2194 Series 97 Table of Contents Chapter 1 Overview 1 1 Chapter 2 Installation 2 1 Chapter 3 Wiring onsen 3 1 Power Wiring a 3 3 Sensor Installation Guidelines 3 3 Wiring Example 3 4 Wiring Notes essele eene 3 5 Input ee ior AN am 3 6 Input DS MEE BRA equ AE ee 3 6 Output d ssc eee eo ER SE WEISS 3 7 eie OE O 3 8 Output 3 i ER RR Ge nume ber d 3 9 Output Aste caskets eter End 3 10 Chapter 4 Software Navigation
60. er The unit should stabilize within one second Repeat until the ammeter reads 20 00mA 0 1mA Press the Advance Key to store the value and move to the next prompt Volts 5 Connect the volt ammeter to terminals 19 and 20 6 At Output Calibration 4 1V Output Calibration Menu enter the reading from the volt ammeter The unit should stabilize within one second Repeat until the voltmeter reads 1 00V 0 1V Press the Advance Key to store the value and move to the next prompt 7 At Output Calibration 4 10V Output Calibration Menu enter the reading from the volt ammeter The unit should stabilize within one second Repeat until the volt ammeter reads 10 00V 0 1V Press the Advance Key to store the value and move to the next prompt 8 Rewire for operation and verify calibration Watlow Series 97 Appendix A 13 Glossary annunciator A visual display that uses pilot lights to indicate the former or existing condition of several items in a system burst fire A power control method that repeatedly turns on and off full ac cycles Also called zero cross fire it switches close to the zero voltage point of the ac sine wave Variable time base burst fire selectively holds or conducts ac cycles to achieve the desired power level See zero cross calibration offset An adjustment to eliminate the difference between the indicated value and the actual process value CJC see cold junction compensation
61. es an alarm 4 2 Navigation Watlow Series 97 Navigating the Series 97 Choose a page Operations Setup or Factory and press its key seguence The page appears in the lower display WATLOW LIMIT 97 WATLOW LIMIT 97 1 2 3 4 1234 Operations Page press O and Q keys together for three seconds WATLOW LIMIT 97 WATLOW LIMIT 97 12 34 102 3a e Setup Page press O and O keys together for six seconds WATLOW WATLOW LIMIT 97 w2 3 4 102 3 4 Factory Page press amp and Reset keys together for six seconds WATLOW LIMIT 97 WATLOW LIMIT 97 12 3 4 PA 12 34 e Home Page From anywhere press the Reset Key Figure 4 3 Navigating the Series 97 Press O or O to find a specific menu in a page The menu appears in the upper display and the page remains in the lower display Press to enter the list of paramenters in the menu displayed The menu s parameters appear in the lower display and the values in the upper To go backward through the parameter list press and O together Press Q or O to select a value either alpha or numeric Press to set the value and go to the next parameter Watlow Series 97 Navigation 4 3 Navigation e Home Page 9 7 Process Value SAFE Limit Status amp and RESET O and O TAM Limit M for 6 seconds for 3 seconds I man Operations Page InP Input 1 Menu e and o SEE Setup Page for 3 Seconds O to cycle through menus amp to sel
62. figuration Switched dc supply voltage 22 to 28V dc dc supply current limited to 30mA Solid state Relay e Optically isolated Zero cross switched Without contact suppression Minimum load current 0 5mA rms e Maximum current 0 5A rms at 20 to 280V ac e Maximum offstate leakage current 100A rms For resistive loads only must use RC suppression for inductive loads Electromechanical Relay Form C contact configuration e Minimum load current 10mA O 5V dc Rated resistive and inductive loads 2A O 250V ac or 30V dc maximum Electrical life 100 000 cycles at rated current For resistive loads only must use RC suppression for inductive loads Retransmit e Range selectable 0 20mA 4 20mA 0 5V dc 1 5V dc 0 10V dc Oto 10V dc voltage output into a 1 0009 minimum load resistance 0 to 20mA current output into an 8002 maximum load resistance Resolution dc ranges 2 5mV nominal mA ranges 5uA nominal Calibration accuracy dc ranges 15mV mA ranges 30HA Temperature stability 100ppm C Communications e EIA TIA 485 EIA TIA 232 e Opto isolated e Modbus RTU protocol 1200 2400 4800 9600 19200 baud rates 32 maximum units can be connected With additional 485 repeater hardware up to 247 units may be connected Accuracy Input ranges Type J 3210 1382 F or 0 to 750 C Type K 328 to 2282 F or 200 to1250 C Type T 328 to 662 F or 200 to 350 C Type
63. gE alarm set point When the process temperature is in this band the alarm state will not change Latching 4 ng no action none Active if Output 4 is equipped for Enables alarm 4 YES latching a relay 97 D latching enabled Output 4 Output 4 Menu is set tol AL Alarm and co Setup Page Lock Lockout Menu is not set to h dE S so Silencing 4 no jno action none Active if Output 4 is eguipped for S Enables Silence 4 YES silence 4 a relay 97 D lt enabled Output 4 Output 4 Menu is S set to AL Alarm and Setup Page Lock Lockout S Menu is not set to h gf 5 g 4 Alarm Active Sides both both none Active if Output 4 is equipped for 4 high a relay 97 D Selects alarm 4 side t0 low Output 4 Output 4 Menu is option set tol AL Alarm and Setup Page Lock Lockout Menu is not set to h dE Output 4 parameters cannot be changed with the Modbus interface NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features 6 12 Parameters Watlow Series 97 Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Alarm Logic 4 AL O alarm condition AL D none Active if Output 4 is eguipped for Soleet alan 4 de energizes output a relay 97 D output condition in AL Cj alarm condition Output 4 Output 4 Menu is alai state ener
64. gizes output set to AL Alarm and Setup Page Lock Lockout Menu is not set to h gf Anut Alarm nojno YES none Active if Output 4 is eguipped for Annunciation 4 YES yes a relay 97 D Selects alarm 4 Output 4isSetto AL annunciation option Alarm and Setup Page Lock Lockout Menu is not set to h 1 E Aout Analog Output 4 no not active none Active if Output 4 is equipped for Selects output 4 process retransmit 97 M retransmit signal and Setup Page Lock Lockout Menu is not set to h dE Pr c4 Process 4 Type 4 20 mA none Active if Output 4 is equipped for Sets process 4 out 0 20 0 20 mA retransmit 97 lt My put type B 5 0 5V dc and Setup Page Lock Lockout 1 5V de Menu is not set to h dE B 10 0 10V de R Lo Analog Output 1999 to Analog Range 999 none Active if Output 4 is equipped for Low High retransmit 97 MA Sets analog output and Analog Output 4 Output 4 range low scaling Menu is set to and Setup Page Lock Lockout Menu is not set to h dE Analog Output Analog Range Low to 999 none Active if Output 4 is equipped for High 9999 retransmit 97 ML Sets analog output and Analog Output 4 Output 4 range high scaling Menu is set tol YES and Setup Page Lock Lockout Menu is not set to h dE Analog Output 1999 to 9999 0 none Active if Output 4 is retransmit Offset 97 M and Sets analog output Analog Output 4 Output 4 offset Menu is set to
65. ilter 1 JET Nis Lockout Menu is not set to Sets the filter time set to 0 0 hide for the input in seconds This smooths out a rapidly changing input signal Positive values affect the monitor readings only Negative values affect both the monitor readings and the control values See specifications in the appendix for sensor ranges and defaults NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features 6 8 Parameters Watlow Series 97 Lockout Menu is not set to Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Input 2 Menu SEE Setup Page Input 2 off 0 611 r w Active if Input 2 hardware is Sets the input type Event Input present 97 1 parameter of input 1 and Setup Page Lock Lockout 9 Menu is not set to h dE Event Function no n E no function 0 1060 r w Active if Input 2 hardware is Selects the event reset limit 1 present 97 1 function LOC lock out key or Input 2 Input 2 Menu is board 2 set to E_n Event Input clear and and Setup Page Lock Lockout silence alarms if Menu is not set to h dE possible 3 E cn Event Condition Lo low 0 1061 r w Active if Input 2 hardware is Selects the condition high 1 present 97 1 7 to trigger an event rise 2 Input 2 Input 2 Meny is set to fall 3 E vol Event Input Event Function Input 2
66. it set Limit Status or User point 3 Limit Message if Ir To low limit set selected will flash in point 2 the lower display if out of limit range Lo S Lower Display see Upper Display User 1406 r w Active if Lower Display L g 5P is User Safe Message Limit Message 1407 r w set to USE x Selects four 1408 r w characters for user 1409 r w message to appear characters while the unit is in a 1to4 safe condition Lo L Lower Display see Upper Display User __ _ _ 1410 r w Active if Lower Display L d 5P is User Limit Limit Message 1411 r w set to USE x Message 1412 r w Selects four 1413 r w characters for the characters 1 to 4 user message to appear while the unit is in a limit condition Global Menu SEE Setup Page latching mode CorF Of Celsius 1 901 r w Active if Setup Page Lock Selects the Fahrenheit 0 Lockout Menu is not set to temperature scale h dE for the input Ed Converts all temperature jes t Si parameters amp Input Error L amp E latching 0 607 r w Active if Setup Page Lock eo Latching no latching 1 Lockout Menu is not set to 9 Selects input error h dE NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features 6 16 Parameters Watlow Series 97 Factory Page The factory page contains four menus Display Parameter Range Default Modbus Conditions for Address
67. last two menus on the Factory Page are Input Calibration Menu and Output Calibration Menu cout Hl 064 is not a process output the prompt will not appear You can restore the original factory calibration with Restore Factory Calibration e St Calibration 1 Menu or revert to the default parameter range value with Default Settings Calibration 1 Menu Factory Page Figure A 11 The Calibration Menus Fctg cty Fcty N O Eet L OC Lockout Menu d 149 Diagnostics Menu F in InputCalibration Menu Factory Page Restore Factory Calibration Default Settings Thermocouple Calibration 50mV Thermocouple Calibration OmV Thermocouple Calibration 32 F Set Ground Lead Resistance Calibration RTD Calibration 15Q RTD Calibration 380Q Calibration Menu Factory Page Output Calibration 4 4mA Output Calibration 4 20mA Output Calibration 4 1V Output Calibration 4 10V Watlow Series 97 Appendix A 11 Thermocouple Input Procedure Eguipment Type J reference compensator with reference junction at 32 F 0 C or type J thermocouple calibrator to 32 F 0 C e Precision millivolt source 0 to 50mV minimum range 0 002mV resolution Input 1 Setup and Calibration 1 Connect the correct power supply to terminals 8 and 9 see Chapter Three and the Appendix 2 Connect the millivolt
68. lay Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Limit Menu Operations Page ow Limit Se ri ijto hil r w ctive Always L Lo Low Limit Set rt f to L 1 701 r Active Alway Point Sets the low limit point hi i imit Set tl tol rh r w ctive Always L 4 High Limit S L Lo 41 to 702 r Active Alway Point Sets the high limit point alibration set o r w ctive Always Calibration Offset 1999 to 9999 605 r Active Alway Sets the input 1 calibration offset AL Alarm Menu Operations Page ROLo Alarm 2 Low Process low limit of Process low 821 rie Active if Output 2 Output 2 Seta th lowe alarm selected sensor range limit of Menu is set to AL Alarm set point for output to Alarm 2 High 1 selected Alarm Active Sides 2 Output 2 2 sensor Menu is not set to h range Output 2 is present 97 D or 97 K feb Alarm 2 High Sets the high alarm set point for output 2 23L o Alarm 3 Low Sets the low alarm set point for output 3 Process Alarm 2 Low 1 to high limit of selected sensor range Process low limit of selected sensor range to Alarm 3 High 1 Process high 322 r w limit of selected sensor range Process low 340 r w limit of selected sensor range _ and Operations Page Mode Lockout Menu is not set to Active if Output 2 Output 2 Menu is set to At Alarm Alarm Active Sides 2 Output 2 Menu is not set to Lo
69. low byte CRC high byte Example Set register 702 High limit set point to 200 0x00C8 on controller at address 9 Sent 09 06 02 BE 00 C8 ES8 88 Received 09 06 02 BE 00 C8 E8 88 Write to Multiple Registers Command 0x10 This command actually writes a parameter to only a single register An attempt to write to a read only parameter returns an illegal data address error 0x02 NOTE For more information about communicating with Watlow controllers go to www watlow com and download the Data Communications Reference Electronic User s Manual It is located under Literature User s Manuals English and search on data communications reference A 6 Appendix Watlow Series 97 Packet sent to controller nn 10 nnnn 00 01 02 nnnn nnnn A A A A A A A A A A A controller address one byte write to multiple registers command 0x10 starting register high byte starting register low byte number of registers to write high byte 0x00 number of registers to write low byte must be 0x01 number of data bytes must be 0x02 data high byte data low byte CRC low byte CRC high byte Packet returned by controller nn 10 nn nn 00 01 nn nn A A A A A controller address one byte NT write to multiple registers command 0x10 starting register high byte starting register low byte
70. lts other parameters use the Complete Parameter Download Seguence table in this chapter to order write commands Using a controller address of 0x00 for a write command broadcasts that command to all the controllers in the network This is a powerful feature if all the controllers on a network use all or most of the same parameters Packet Syntax Each message packet begins with a one byte controller address from 0x01 to OxF7 The second byte in the message packet identifies the message command read 0x03 or 0x04 write 0x06 or 0x10 or loop back 0x08 The next n bytes of the message packet contain register addresses and or data The last two bytes in the message packet contain a two byte Cyclical Redundancy Checksum CRC for error detection NOTE For more information about communicating with Watlow controllers go to www watlow com and download the Data Communications Reference Electronic User s Manual It is located under Literature User s Manuals English and search on data communications reference A 4 Appendix Watlow Series 97 Read Multiple Registers Command 0x03 or 0x04 Packet format nn nn nnnn nn nn A A A A A A address lt command registers and or data CRC This command returns from 1 to 32 registers Packet sent to controller nn 03 nn nn 00nn nn nn A A A A A A A A controller address one byte 24 read command 0x03 or 0
71. lue set it to a lower level e Configure output as an alarm Check alarm set points To clear the alarm correct the alarm condition check to see if the alarm is latched Check the alarm sides setting Check the alarm type setting Check the alarm logic for compatibility with system peripherals and annunciators Check the power limit setting Check the operation mode Check the alarm output function e Check the C or F setting Check the calibration offset value set it to a lower level Cycle power to unit If problem persists return unit to factory Cycle power to unit Cycle power to unit If problem persists return unit to factory Cycle power to unit If problem persists return unit to factory Module defective replace or verify module configuration Return unit to factory Cycle power to unit Cycle power to unit Recalibrate unit Cycle power to unit If problem persists return unit to factory Cycle power to unit If problem persists return unit to factory Cycle power to unit If problem persists return unit to factory Cycle power to unit If problem persists return unit to factory Watlow Series 97 Appendix A 3 Modbus Remote Terminal Unit RTU Modbus RTU enables a computer or PLC to read and write directly to registers containing the controller s parameters With it you could read all 141 of the controller s parameters with five read commands Because
72. minals 5 and 7 together with less than 0 59 Set Lead Resistance Calibration Input Calibration Menu to YES Press the Advance Key to store the lead resistance and move to the next prompt 4 Connect the decade box to terminals 5 82 6 S3 and 7 S1 with 20 to 24 gauge wire 5 Enter 15 000 from the decade box Allow at least 10 seconds to stabilize Set RTD Calibration 152 Input Calibration Menu to YES Press the Advance Key to store the 15 009 input and move to the next prompt 6 Enter 380 009 from the decade box Allow at least 10 seconds to stabilize A 12 Appendix Watlow Series 97 Set RTD Calibration 38002 Input Calibration Menu to YES Press the Advance Key to store the 380 000 input and move to the next prompt 7 Rewire for operation and verify calibration Process Output Procedures Equipment Precision volt ammeter with 3 5 digit resolution Output 4 Setup and Calibration 1 Connect the correct power supply to terminals 8 and 9 see Chapter Three and the Appendix Milliamperes 2 Connect the volt ammeter to terminals 20 and 21 3 At Output Calibration 4 4mA Output Calibration Menu enter the reading from the ammeter The unit should stabilize within one second Repeat until the volt ammeter reads 4 00mA 0 1mA Press the Advance Key to store the value and move to the next prompt 4 At Output Calibration 4 20mA Output Calibration Menu enter the reading from the volt ammet
73. nabled Output 1 Hardware Output 2 Hardware Output 3 Hardware Output 4 Hardware Test Output Test Displays High Resolution Ambient Temperature Ambient A D Counts Channel 1 A D Counts Channel 2 A D Counts Communication Test Troubleshooting Line Frequency Note The Factory Page also includes calibration parameters that are not necessary for everyday use of the controller Calibration parameters and procedures are explained in the Appendix Watlow Series 97 Navigation 4 5 cover for easy reference Tip Use the software map on the inside back Basic navigation for new users Use this example task to learn how to use the keys and displays Navigation skills are essential for setting up the controller For more information about the control features avail able in the Series 97 see Chapter Five For a table of all parameters and values see Chapter Six Configure the controller To configure the controller to suit your application go to the Setup Page enter the menus and set the parameters for the system its inputs and outputs Do this Press these keys You ll see Go to the Setup Page from the Home Page OUp arrow and ODown arrow keys for 6 seconds After three seconds the Operations Page appears in the lower dis play after six seconds the Setup Page appears in the lower dis play A menu is in the upper dis play E Select a menu to enter OUp arrow key The Se
74. o 630 0 C Note These specifications are subject to change without prior notice Modbus is a trademark of AEG Schneider Automation ULO isa registered trademark of the Underwriter s Laboratories Inc Watlow Series 97 Appendix A 19 Ordering Information 1635 Series 97 97 EER EE AE EN GE Microprocessor based Ve DIN with thermocouple and RTD input 1 Options include software power supply input 2 four outputs and display color Power Supply A 100 240V ac B 24 28Vx ac dc Input 2 0 None 1 Eventinput Output 1 D Electromechanical relay Form C 2A without RC suppression Output 2 A None C Switched dc output open collector D Electromechanical relay Form C 2A without RC suppression K O Asolid state relay without RC suppression Output 3 A None D Electromechanical relay Form C 2A without RC suppression Output 4 A None D Electromechanical relay Form C 2A without RC suppression R 232 Communications U 485Communications M Universal Retransmit range selectable 0 20mA 4 20mA 0 5V dc 1 5V dc 0 10V dc Software Preset Parameters 00 Standard software Display Overlay Upper Lower RR Red Red display RG Red Green display GR Green Red display GG Green Green display A 20 Appendix Watlow Series 97 Index A Address 6 14 Alarm 2 Low 6 5 Alarm 2 High 6 5 Alarm 2 Status 6 4 Alarm 2 Type 6 10 Alarm 3 Lo
75. of the serial number Soft Software ID 0 to 9999 none 3r Active Always Number Reads the software D number Software Revision 0 00 to 99 99 none dr Active Always Reads software revision number Input 2 Hardware none 0 none 9r Active Always Enabled Process Event Enables the input 2 5 hardware Output 1 relay 1 16r Active Always Hardware Reads the output 1 hardware type Dt Ye Output 2 nontE none 0 17r Active Always Hardware c EL Y relay 1 Reads the output 2 595r solid state hardware type relay 2 dc dc 3 BE 93 Output 3 nontE none 0 18r Active Always Hardware cELY relay 1 Reads the output 3 hardware type Output d none 0 19r Active Always Hardware relay 1 Reads the output 4 process 4 hardware type 485 6 ode NOTE For more information about how parameter seetings affect the controller s operation see Chapter Five Features 6 18 Parameters Watlow Series 97 Display Parameter Range Default Modbus Address read write Conditions for Parameters to Appear E out Test Output Turns on specific output d 5P Test Display Tests the indicator lights on the front panel High Resolution Displays high resolution input value Ambient Temperature Reads the ambient temperature in 0 1 degrees Fahrenheit Ambient A D Counts Displays the raw ambient channel A D counts Channel 1 A D Counts Displays the raw channel 1 A D
76. of the wide array of choices available for setting up a Series 97 controller only a subset of the prompts contain parameters in a given situation This manual explains the interrelations between prompts A Modbus read command response of 32000 indicates that a register is not implemented 32001 register not active or 32002 not read accessible A write command will return an exception response of 01 to indicate an illegal function 02 illegal register or 03 illegal data If you try to write to an inactive prompt the controller will return an illegal data address message 02 If you already have a software application that uses Modbus you can simply skip to the Temperature process Controller Prompt Table or the Modbus RTU Address Table in this chapter for the address information your program will need The rest of this section on the Modbus provides information for writing a software application that uses Modbus Writing a Modbus Application You need to code messages in eight bit bytes with no parity bit one stop bit 8 n 1 Negative parameter values must be written in twos complement format Parameters are stored in two byte registers accessed with read and write commands to a relative address Messages are sent in packets that are delimited by a pause at least as long as the time it takes to send 30 bits To determine this time in seconds divide 30 by your baud rate Because changing some parameters automatically changes or defau
77. ow to 600 to set the low range for the retransmit signal Set Analog Output Offset to 0 assuming no calibration offset is reguired The retransmit output will be 4mA until the oven temperature is greater than 600 F at which point the signal will increase with temperature to 20mA at 900 F and will not exceed 20mA Watlow Series 97 Features 5 7 Alarms An alarm takes some action usually notifying an operator when the process temperature leaves a defined range A user can configure how and when an alarm is triggered and whether it turns off automatically when the alarm condition is over Alarm Set Points The alarm high set point defines the temperature that will trigger a high side alarm The alarm high set point must be higher than the alarm low set point and lower than the high limit of the sensor range The alarm low set point defines the temperature that will trigger a low side alarm The alarm low set point must be lower than the alarm high set point and higher than the low limit of the sensor range Process alarm set points for output 2 can be viewed or changed with Alarm 2 High and Alarm 2 Low Alarm Menu Alarm Hysteresis Alarm hysteresis is a zone inside each alarm set point This zone is defined by adding the hysteresis value to the alarm low set point or subtracting the hysteresis value from the alarm high set point An alarm state is triggered when the process value reaches the alarm high or alarm low set point Al
78. point for output 4 Output 4 parameters cannot be changed with the Modbus interface Process Alarm 4 Low 1 to high limit of selected sensor range Process high none limit of selected sensor range Operations Page Mode Lockout Menu is not set to Active if Output 4 Output Menu 4 is At Alarm Alarm Sides 4 Output Menu 4 is not set tollo Output 4 isa relay 97 D and Operations Page Mode Lockout Menu is not set to NOTE For more information about how parameter seetings affect the controller s operation see Chapter Five Features 6 6 Parameters Watlow Series 97 Setup Page The setup page contains 8 menus Display Parameter SEL Setup Page Go to a setup menu Input 1 Menu SEE Setup Page Sensor Type 1 Sets the input hardware type of input 1 in Input 1 Sets the input linearization parameter of the input 1 Range 3 o Input 1 InP Input 2 if present Output 1 Output 2 if present Output 3 if present Output 4 if present Display Global 1 3 E er E c Thermocouple 0 rc t d RTD 1 If Sensor Type is set to thermocouple J J 0 H K 1 EIT 2 EE n N 4 OC 5 C g D 6 PE 2 PT2 7 e R 8 S 9 B 10 if Sensor Type is set to d in RTD DIN 11 J 15 RTD JIS 12 Default Modbus Conditions for Ad
79. puts iisa EE EER Ras 3 8a Switched DC Open Collector 3 8b Output 3 Alarm Wiring AG Outputs 10 24 susia eas Bini a 3 9 Output 4 wiring AG Outputs EE RE eb hak taata 3 10a Communications and Retransmit 3 10b EIA 232 to EIA 435 Conversion 3 11a EIA 232 to EIA 485 Converter 3 11b Keys and displays 4 2 Navigating the Series 97 4 3 Software Map 4 4 Calibration offset 5 3 Filtered and unfiltered input signals 5 4 Sensor ranges 5 5 Event inputs 0 ss aa rh 5 6 Retransmitting a remote set point 5 7 Alarm settings 0 cece eee eee eee 5 8 Alarm latching 5 9 Alarm silencing 5 10 Parameter setup order 6 2 ak TE TE OE MG take Es inside back cover TOTAL CUSTOMER SATISFACTION About Watlow Winona n Watlow Winona is a division of Watlow Electric Mfg Co St Louis Missouri a manufacturer of industrial electric heating products since 1922 Watlow begins with a full set of specifications and completes an industrial product that is manufactured totally in house in the U S A Watlow products include electric heaters sensors controllers and switching devices The Winona operation has been designing solid state electronic control devices since 1962 and has earned the reputation as an excellent supplier to original eguipment manufacturers These OEMs depend upon Watlow Winona to provide compatibly engin
80. ration see Chapter Five Features 6 20 Parameters Watlow Series 97 Display Parameter Range Default Modbus Address read write Conditions for Parameters to Appear Output Calibration Menu Factory Page Output Calibration 4 4mA Enter the output value in milliamps as measured Output Calibration 4 20mA Enter the output value in milliamps as measured Output Calibration 4 1V Enter the output value in volts as measured Output Calibration 4 10V Enter the output value in volts as measured 0 00 to 99 99 0 00 to 99 99 0 00 to 99 99 0 00 to 99 99 4 00 20 00 1 00 10 00 Active if Output 4 is process 97 M and Calibration Lock Lockout Menu is not set to Active if Output 4 is process 97 M _ and Calibration Lock Lockout Menu is not set to Active if Output 4 is process 97 _ ___M ____ and Calibration Lock Lockout Menu is not set to Active if Output 4 is process 97 _ M _ and Calibration Lock Lockout Menu is not set to O3 S CH Am K die 2 Les e N GA D i D E c O KI N NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 21 Notes NOTE For more information about how parameter settings affect the controller
81. ration with special key seguence Default Settings C nolno 0 1602 w Active if Calibration Lock Bestares default YES yes 800 Lockout Menu is not set to settings Ec SO Thermocouple CU no no 0 no 1603 w Active if Calibration Lock Calibration 50mV YES yes 2 Lockout Menu is not set to Stores 50 000mV calibration for input 1 thermocouple lt 00 Thermocouple no jno 0 1603 w Active if Calibration Lock Calibration 0mV YES yes 1 Lockout Menu is not set to Stores 0 000mV calibration for input 1 thermocouple Ec 32 Thermocouple nojno 0 1603 w Active if Calibration Lock Calibration 32 YES yes 3 Lockout Menu is not set to Stores 32 degrees F type J calibration Gnd Set Ground CU no jno 0 1603 w Active if Calibration Lock Stores calibration for MES yes 4 Lockout Menu is not set to ground at gains of 1 and 32 LEBg Lead Resistance nojno 0 no 1603 w Active if Calibration Lock Calibration YES yes 5 Lockout Menu is not set to Stores calibration for lead resistance RTD Calibration nojno 0 no 1603 w Active if Calibration Lock 150 YES yes 6 Lockout Menu is not set to Stores 15 002 calibration for input 1 RTD 80 RTD Calibration no no 0 1603 w Active if Calibration Lock 380Q YES yes 7 Lockout Menu is not set to Stores 380 000 calibration for input 1 RTD NOTE For more information about how parameter settings affect the controller s ope
82. rchase price and parts which upon examination prove to be defec tive within the warranty period specified This warranty does not apply to dam age resulting from transportation alteration misuse or abuse Returns Call or fax Customer Service for a Return Material Authorization RMA number before returning a controller Put the RMA number on the shipping label and also on a written descrip tion of the problem e Arestocking charge of 20 of the net price is charged for all standard units returned to stock Watlow Series 97 User s Manual Watlow Winona 1241 Bundy Blvd P O Box 5580 Winona Minnesota 55987 5580 Phone 507 454 5300 Fax 507 452 4507
83. s Watlow Series 97 Appendix A 17 Specifications 2195 Controller Microprocessor based user selectable control modes Input sample period Single input 10Hz 100 msec dual input 5Hz 200 msec digital filter adjustable Display update 2Hz 500 msec time filter adjustable Input Output Communication isolation Displayed in C or F Operator Interface Dual 4 digit LED displays upper 10 2 mm 0 4 in lower 6 2 mm 0 244 in Advance Up Arrow Down Arrow Reset tactile keys Standard Conditions For Specifications e Ambient temperature 25 C 77 F 43 rated line voltage 50 to 60Hz 0 to 90 RH non condensing 15 minute warm up Universal Input 1 Thermocouple e Type J K T N C W5 E PTII D W3 B R S thermocouple types e gt 20MQ input impedance e Maximum 209 source resistance e 30mA open detection bias RTD 2 or 3 wire platinum 100Q DIN and JIS curves Whole or tenth degree indication e 150pA nominal RTD excitation currrent Input 2 Event Input Contact or voltage 20KQ input impedance Voltage input event high state 3 to 36V dc event low state 0 to 2V dc Resistance contact input event high state gt 23kQ event low state 0 to 2kQ Output Types Open Collector Switched DC Open collector configuration Maximum voltage 42V dc Maximum current 200mA Maximum on resistance 1 12 Maximum offstate leakage current 100pA Switched dc con
84. s affect the controller s operation see Chapter Five Features 6 14 Parameters Watlow Series 97 Display Parameter Range Default Modbus Address read write Conditions for Parameters to Appear UP L Upper Display User Limit Message Select four characters for limit message N ND N NO EOD B s mn ijo OB 7 95 26 27 28 29 30 31 32 33 OoPAIPDAAONEO oo HO HEES OOD DEER P 4 ka ka PPE BD SO 00S OD OT KO RO EOD n M 1st half M 2nd half t eq W 1st half W 2nd half backwards C backwards ci y 34 0 35 36 37 38 39 40 41 42 43 44 45 lank 0 O 06 IO ODA ON ta 46 47 48 49 50 51 i 52 53 54 1 li il ll i 1 1 o Kee 1401 r w 1402 r w 1403 r w 1404 r w characters 1 to 4 Active if Upper Display Ug P is set to USE D i oz 2 KO SS m D Ke NOTE For more information about how parameter settings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 15 Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Lg SP Lower Display L St limit status L SE 1405 r w Active Always Selects the value or 0158FE hi message that will Lo appear in the lower USEr user message display D uo rd L hd high lim
85. t Points 5 8 Alarm Hysteresis 5 8 Process or Deviation Alarms 5 9 Alarm Latching 5 9 Alarm Silencing 5 10 Communications Overview aoaaa aana 5 11 Watlow Series 97 Features 5 1 The Series 97 limit controller is added to thermal applications to limit over or under tem perature conditions The Series 97 controller provides safety assurance against instances where a high temperature runaway condition could occur from a shorted input sensor or an output device that could fail in a closed position A limit condition is latched and therefore reguires operator intervention to clear it This is done by pressing the Reset key after the limit condition has passed The Series 97 is recommended for any application where thermal runaway could result in large product scrap costs affect operator safety cause damage to eguipment or create a fire hazard 5 2 Features Watlow Series 97 Input Calibration Offset Calibration offset allows a device to compensate for an inaccurate sensor lead resistance or other factors that affect the input value A positive offset increases the input value and a negative offset decreases the input value The input 1 offset value can be viewed or changed with Calibration Offset 1 Limit Menu Negative Calibration Offset will Temperature Readi compensate for the difference perature SEN between the Sensor Reading and from Sensor th
86. to do so could result in such damage and or injury or death NOTE Switching inductive loads relay coils solenoids etc with the mechanical relay switched dc or solid state relay output options reguires use of an R C suppressor Watlow carries the R C suppressor Quencharc brand name which is a trademark of ITW Pakron Watlow Part No 0804 0147 0000 Output 1 Limit Output Wiring Figure 3 7a AC Outputs eElectromechanical Relay without contact suppression 9 7 D Form C 2 amps off state impedance 31MQ customer supplied 13 used for N C COM N O Quencharc D outputs only 13 14 15 st se lt 7 Watlow Series 97 Wiring 3 7 NOTE Successful installation reguires five steps e Choose the controller s hardware configuration and model number Appendix e Choose a sensor Chapters 3 and 6 and Appendix e Install the controller Chapter 2 e Wire the controller Chapter 3 and e Configure the controller Chapters 4 5 and 6 NOTE Switching inductive loads relay coils solenoids etc with the mechanical relay switched dc or solid state relay output options requires use of an R C suppressor Watlow carries the R C suppressor Quencharc brand name which is a trademark of ITW Pakron Watlow Part No 0804 0147 0000 AN WARNING To avoid damage to property and eguipment and or injury of loss of life use National El
87. tup Page remains in the lower display while menu names appear in the upper display laP 3 Go to a parameter GAdvance key The menu s parameters appear in the lower display and the values appear in the upper display Note When you enter a menu the display changes Instead of the Setup Page and menu you see parameter and value Ei NA NI 4 Choose a value OUp arrow key until you reach the desired value Values appear in the upper display when the parameter is in the lower display T 3 Set a value and go on to the next parameter amp Advance key when the chosen value is displayed You will see the chosen value in the upper display After pressing the Advance key the next parameter appears in the lower display with one of its values in the upper dis play Values auto enter after five seconds 3 o 313 em Summary To make a selection or choice To move or change location in a page or menu Press QUp arrow key or QDown arrow key Press Advance key or Reset Key What you see depends on the options included in your controller Navigation Watlow Series 97 Chapter Five Features Limit corel e NANA ka ES 5 2 Input Calibration Offset 5 3 Filter Time Constant 5 4 Sensor Selection 5 5 Range Low and Range High 5 5 Event Input 5 6 Retransmitting the process value 5 7 Alarms Alarm Se
88. u 6 14 6 16 d ISP Test Display 6 19 E cn Event Condition 6 9 E Fa Event Function 6 9 Err Input Error Latching 6 16 E St Event Input Status 6 4 F Eet Factory Page menus 6 17 6 21 Fer 1 Input Software Filter 1 6 8 SL bL Global Menu 6 16 9nd Set Ground 6 20 hr E5 High Resolution 6 19 HYS Alarm Hysteresis 2 6 10 h 95 3 Alarm Hysteresis 3 6 11 HYSY Alarm Hysteresis 4 6 12 la I Input 1 6 7 la d Input2 6 9 laP I Input 1 Menu 6 7 6 8 Jo PC Input 2 Menu 6 9 lt go Input 2 Hardware Enabled 6 18 m 3 Gee SEA ES o c fr Fr D Ir co f Latching 2 6 10 Latching 3 6 11 Latching 4 6 12 Lower Display 6 16 Lead Resistance Calibration 6 20 Alarm Logic 2 6 10 Alarm Logic 3 6 11 Alarm Logic 4 6 13 High Limit Set Point 6 5 Limit Hysteresis 6 9 Limit Menu 6 5 Line Freguency 6 19 Low Limit Set Point 6 5 Lockout Menu 6 17 Lower Display User Limit Message 6 16 Lower Display User Safe Message 6 16 Limit Active Sides 6 9 Limit Status 6 4 Model Number 6 17 Monitor Menu 6 4 Operations Page menus 6 4 6 6 Operations Page Mode Lock 6 17 Output 1 Hardware 6 18 Output 2 Hardware 6 18 Output 3 Hardware 6 18 Output 4 Hardware 6 18 Output 2 6 9 Output 3 6 11 Output 4 6 12 O
89. u 6 9 Output 2 Menu 6 9 6 11 Output 3 Menu 6 11 6 12 Output 4 Menu 6 12 6 14 Output Calibration Menu 6 21 A 11 output wiring AC 3 7 3 10 communications and retransmit option 3 10 switched DC open collector 3 8 PO packet syntax A 4 panel cutout dimensions 2 1 parameter setup order 6 2 A 25 power wiring 3 3 Process 1 6 4 Process 4 Type 6 13 R Range Low and Range High 5 5 Range High 1 6 8 Range Low 1 6 8 Remote Terminal Unit RTU A 4 removing controller 2 3 Restore Factory Calibration 6 20 retransmit 5 7 RTD Calibration 152 6 20 RTD Calibration 3802 6 20 RTD input wiring 3 3 3 6 S safety information inside front cover sensor installlation 3 3 selection 5 5 Sensor Type 1 6 7 Serial Number 1 6 18 Serial Number 2 6 18 Set Ground 6 20 Setup Page 4 5 Setup Page Lock 6 17 Setup Page menus 6 7 6 16 setup steps 1 2 Silencing 2 6 10 Silencing 3 6 11 Silencing 4 6 12 single register command write A 6 Software ID Number 6 18 Software Map 4 4 4 5 A 26 Software Revision 6 18 specifications A 18 A 19 T technical assistance inside front cover Test Display 6 19 Test Output 6 19 Thermocouple Calibration OmV 6 20 Thermocouple Calibration 32 6 20 Thermocouple Calibration 50mV 6 20 thermocouple input wiring 3 3 troubleshooting alarms and errors A 2 A 3 UV Upper Display 6 14 Upper Display User Limit Message 6 15 WXYZ warranty information back cover wiring 3 2 3 10 Input1 3
90. ure 3 10a AC Outputs Electromechanical Relay without Contact Suppression 97 D Form C 2 amps off state impedance 31MQ customer supplied Quenchac L2 L1 Figure 3 10b Communications and Retransmit Option EIA TIA 232 EIA TIA 485 Retransmit Option 97 R 97 U 97__ M 13 14 15 1 2 3 4 5 6 7 8000890 2 19 20 21 N N si DN Se 19 20 21 19 20 21 19 20 21 Tout COM Rin TJR COM T R Vout COM lout NOTE For more information about communicating with Watlow controllers go to www watlow com and download the Data Communications Reference Electronic User s Manual It is located under Literature User s Manuals English and search on data communications reference 3 10 Wiring Watlow Series 97 NOTE Successful installation reguires five steps e Choose the controller s hardware configuration and model number Appendix e Choose a sensor Chapters 3 and 6 and Appendix e Install the controller Chapter 2 Wire the controller Chapter 3 and e Configure the controller Chapters 4 5 and 6 NOTE The CMC converter reguires an external power supply when used with a laptop computer N WARNING To avoid damage to property and eguipment and or injury of loss of life use National Electric Code NEC standard wiring practices to install and operate the Series 97 Failure to do so could result in such damage and or injury or de
91. utput 1 Menu 6 9 Output 2 Menu 6 9 6 11 Output 3 Menu 6 11 6 12 Output 4 Menu 6 12 6 14 Process 1 6 4 Process 4 Type 6 13 RTD Calibration 152 6 20 RTD Calibration 3802 6 20 Software Revision 6 18 Range High 1 6 8 Range Low 1 6 8 Restore Factory Calibration 6 20 Sensor Type 1 6 7 Setup Page menus 6 7 6 16 Setup Page Lock 6 17 Alarm Active Sides 2 6 10 Alarm Active Sides 3 6 11 Alarm Active Sides 4 6 12 Silencing 2 6 10 Silencing 3 6 11 Silencing 4 6 12 Serial Number 1 6 18 Serial Number 2 6 18 Software ID Number 6 18 Thermocouple Calibration OmV 6 20 Thermocouple Calibration 32 6 20 Thermocouple Calibration 50mV 6 20 Test Output 6 19 Communications Test Troubleshooting UVWXYZ Upper Display 6 14 Upper Display User Limit Message 6 15 Watlow Series 97 Appendix A 23 Declaration of Conformity Series 97 WATLOW Winona Inc C 1241 Bundy Boulevard Winona Minnesota 55987 USA Declares that the following product Designation Series 97 Model Number s 97 A or B 0 or 1 D A C D or K A or D A D R U or M Any four letters or numbers Temperature control Installation Category II Pollution degree 2 Rated Voltage 100 to 240V ac or 24 to 28Vx ac or dc Rated Frequency 50 or 60 Hz Rated Power Consumption 7VA maximum Meets the essential requirements of the following European Union Directives by using the relevant standards show below to indicate compliance
92. vice made by joining two dissimilar metals This junction produces an electrical voltage in proportion to the difference in temperature between the hot junction sensing junction and the lead wire connection to the instrument cold junction thermocouple break protection The ability of a control to detect a break in the thermocouple circuit and take a predetermined action three mode control Proportioning control with integral reset and derivative rate Also see PID A 16 Appendix Watlow Series 97 time proportioning control A method of controlling power by varying the on off duty cycle of an output This variance is proportional to the difference between the set point and the actual process temperature transmitter A device that transmits temperature data from either a thermocouple or a resistance temperature detector RTD by way of a two wire loop The loop has an external power supply The transmitter acts as a variable resistor with respect to its input signal Transmitters are desirable when long lead or extension wires produce unacceptable signal degradation WatLink A Watlow software application for configuring and communication with Watlow controllers via a EIA 485 network and a Microsoft Windows compatible personal computer zero cross Action that provides output switching only at or near the zero voltage crossing points of the ac sine wave See burst fire zero switching See zero cros
93. w 6 5 Alarm 3 High 6 6 Alarm 3 Status 6 4 Alarm 3 Type 6 11 Alarm 4 Low 6 6 Alarm 4 High 6 6 Alarm 4 Status 6 4 Alarm 4 Type 6 12 Alarm 5 8 5 11 hysteresis 5 8 latching 5 9 process 5 9 set points 5 8 silencing 5 10 Alarm Active Sides 2 6 10 Alarm Active Sides 3 6 11 Alarm Active Sides 4 6 12 Alarm Annunciation 2 6 10 Alarm Annunciation 3 6 12 Alarm Annunciation 4 6 13 Alarm Hysteresis 2 6 10 Alarm Hysteresis 3 6 11 Alarm Hysteresis 4 6 12 Alarm Logic 2 6 10 Alarm Logic 3 6 11 Alarm Logic 4 6 13 Alarm Menu 6 5 6 6 Ambient A D Counts 6 19 Ambient Temperature 6 19 Analog Output 4 6 13 Analog Output High 6 13 Analog Output Low 6 13 Analog Output Offset 6 13 B Baud Rate 6 13 C Cor F 6 16 Calibrating A 11 A 13 Process Output A 13 RTD Input A 12 Thermocouple Input A 12 Calibration Menu Lock 6 17 Calibration Offset 5 3 6 5 Channel 1 A D Counts 6 19 Channel 2 A D Counts 6 19 configure the controller 4 6 communications 5 11 and retransmit option 3 10 converting between EIA 232 and EIA 435 3 11 customer feedback inside front cover cyclical redundancy checksum CRC algorithm A 9 D Date of Manufacture 6 17 Decimal 1 6 8 Default Settings 6 20 Diagnostics Menu 6 17 6 19 Digital event wiring 3 6 Display Menu 6 14 6 16 E EIA Conversion 3 11 Errors troubleshooting A 2 A 3 Event Condition 6 9 Event Function 6 9 Event Input 5 6 Event Input Status 6 4 exception responses A 8 F Factory Page 4 5
94. ware Filter 1 Input2 io 2 eet ER will change Eveni DUE i the default Event Condition 0 C Changing will convert Analog Output 4 the Analog Output High 0 Ce scale Analog Output Low Analog Output Offset Alarm Hysteresis 2 3 4 3 4 Alarm Latching 2 3 4 3 4 Alarm Silencing 2 3 4 3 Y Alarm Active Sides 2 3 4 3 4 Alarm Logic 2 3 4 3 4 Alarm 2 3 4 High R2h 3 Y C D D C Alarm 2 3 4 Low Re Lo J Y C D Dp N OO O OI O Oo O OO OO OO OO O OO OO O OO OO OO OO me o DO CD CD Nn CH K Les LG CD 6 2 Parameters Watlow Series 97 Home Page The resting state display shows the following set of data The first prompt appears in the top display the second in the bottom Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read write Upper Display Active Always Lower Display Monitor the processes determined by the Upper Display Ug 5P and Lower Display L d SP parameters Display Menu Home Page NOTE For more information about how parameter seetings affect the controller s operation see Chapter Five Features Watlow Series 97 Parameters 6 3 Operations Page The operations page contains three menus Display Parameter Range Default Modbus Conditions for Address Parameters to Appear read
95. x04 starting register high byte starting register low byte number of registers high byte 0x00 number of registers low byte CRC low byte CRC high byte Packet returned by controller nn 03 nn nn nn nn nn nn nn A A AA A A A A A controller address one byte read command 0x03 or 0x04 number of bytes one byte first register data high byte first register data low byte register n data high byte register n data low byte CRC low byte CRC high byte Watlow Series 97 Appendix A 5 Example Read register 0 model number of the controller at address 1 Sent 01 03 00 00 00 01 84 OA Received 01 03 02 00 61 79 AC Message 97 0x0061 Example Read register 1 and 2 Serial number 1 and Serial number 2 of controller at address 5 Sent 05 03 00 01 00 02 94 4F Received 05 03 04 00 64 00 C8 FF BA Message 100 0x0064 and 200 0x00C8 Write to a Single Register Command 0x06 This command writes a parameter to a single register The controller will echo back the command An attempt to write to a read only parameter returns an illegal data address error 0x02 Packet sent to controller nn 06 nnnn nnnn nnnn A A A A A A A A controller address one byte u write to a register command 0x06 register high byte register low byte data high byte data low byte CRC
96. ype of output 3 Alarm Hysteresis 3 Sets the switching hysteresis for the alarm output This defines a band on the inside of the alarm set point When the process temperature is in this band the alarm state will not change Latching 3 Enables Alarm 3 Latching Silencing 3 Enables Silence 3 5 d3 Alarm Active Sides 3 Selects alarm 3 side option L9c 3 Alarm Logic 3 Selects alarm 3 output condition in the alarm state off 0 CAL alarm 1 1 to 9999 no jno action 0 YES latching enabled 1 ool no action 0 YES silence 3 enabled 1 both 0 high 1 Lo low 2 AL O alarm condition de energizes output fail safe operation 0 AL Cj alarm condition energizes output 1 734 r w Active if Output 3 hardware is present 97 D Output 3 Output 3 Menu is set tol AL Alarm and Setup Page Lock Lockout Menu is not set to h gf Active if Output 3 hardware is present 97 D Output 3 Output 3 Menu is set tol AL Alarm and Setup Page Lock Lockout Menu is not set to h dE 3 737 r w 738 r w Active if Output 3 hardware is present 97 D Output 3 Output 3 Menu is set tol AL Alarm and Setup Page Lock Lockout Menu is not set to h dE 739 r w Active if Output 3 hardware is present 97 D Output 3 Output 3 Menu is set tol AL Alarm and Setup Page Lock Lockout Menu is not set to h dE Active if

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