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Watlow Series 935B User’s Manual

43

Terminal Block Removal

Figure 14- Terminal Block Removal Procedure

2.

Move your grip
rearward slightly,
then lift the terminal
cover straight up.

1.

Press in on sides
of cover to release
the terminal
cover hooks.

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Summary of Contents for 935B Series

Page 1: ...oller with Countdown Timer 1241 Bundy Boulevard P O Box 5580 Winona Minnesota USA 55987 5580 Phone 1 507 454 5300 Fax 1 507 452 4507 http www watlow com U S English Now with Remote Timer Start and Ful...

Page 2: ...your Watlow controller review all configuration informa tion to verify that your selections are consistent with your application inputs outputs alarms limits etc If the problem persists after checkin...

Page 3: ...aration of Conformity 50 Advanced Software Map 51 Warranty Returns Inside Back Cover How to Reach Us Back Cover Table Page 1 Output Functions 5 2 Error Messages Action 10 3 Software Organization 11 4...

Page 4: ...eat or cool and alarm or timer Special Features Easy to use operator interface and user s manual Compact panel footprint 1 32 DIN size Water and corrosion proof NEMA 4X IP65 rated Reliable built to UL...

Page 5: ...e Output 2 Electromechanical Relay Switched dc or Solid state Relay Table 1 Valid Output Functions First select Output 1 Then select Output 2 Heat None Cool Alarm Timer Cool None Heat Alarm Timer Alar...

Page 6: ...eously for three seconds to move to a software menu 2 Press and hold to display a choice or value 3 While continuing to press press or to choose new data or select a new value 4 Release and the arrow...

Page 7: ...18 Clears a latched alarm LED 1 Lit when Output 1 is active LED 2 Lit when Output 2 is active RDY Lit when the process temperature is inside the timer ready band Up Increment Down Decrement Arrow Key...

Page 8: ...soon as you apply power to it 2 Look at the Series 935B s display It is reading actual temperature set point temperature or time To change set point go to p 9 The Series 935B will auto tune when you...

Page 9: ...e when it comes from the factory You can change it to normally display the set point or time Go to p 18 see dISP 1 Press and hold 2 Press one of the arrow keys to alter the set point either upward or...

Page 10: ...replace as broken wire necessary Electrical noise Cycle power to system See if error clears Check system for electrical interference Control is inoperable Check for line voltage at terminals 7 and 8 R...

Page 11: ...et Configuration p 18 Set Inputs Functions Output Types Display Default Alarms Functions Timer Functions Failure Mode Lockout Functions yes yes To access the Operations Menu press the and keys simulta...

Page 12: ...n Idle Set Point value in F or C between the range low rL and range high rh values The Idle Set Point is active both before and after the timing sequence The normal or Primary Set Point controls durin...

Page 13: ...igh Select a high alarm point adjustable between Alarm Low and Range High or OFF ALO Alarm Low Countdown Timer Select a countdown time duration 0 0 9959 00 00 to 99 59 Hrs Min or Min Sec Idle Set Poin...

Page 14: ...ough the Operations Menu with until you see the Pid prompt 3 While pressing to display no choose YES with or 4 Release to see the first PID prompt NOTE Access to the PID Menu and the prompts there var...

Page 15: ...tate Relay 0 1 to 60 0 seconds Default 5 0 seconds Range Electromechanical Relay 5 0 to 60 0 seconds Default 30 0 seconds Dead Band db Dead Band adjusts the effective cool set point above the primary...

Page 16: ...Switched dc Electromechanical Relay Dead Band Select a dead band value 0 999 0 555 0 99 0 0 55 0 0 F to 999 F or 0 C to 555 C or 0 0 F to 999 0 F or 0 0 C to 555 0 C Set Up Cool Proportional Band Coo...

Page 17: ...u and the prompts there varies with lockout function and output set up The PID Menu is locked out when the 935B leaves the factory Lockout function the Lockout Tag tAg function masks menus from view i...

Page 18: ...d Input Range High Input Range High Select highest displayable set point Ranges p 23 Rl In Select a value highest displayable set point between Input Type Range High and Input Range Low Output 1 Funct...

Page 19: ...r Function Choose the start timer conditions IMd Immediate start on a press rdy press and Actual temp is inside the Ready Band rdYA press plus Actual temp is inside the Ready Band then acknowledge wit...

Page 20: ...all or part of the four digit binary acronym PCOA Proportional Configuration Operation Auto tune you can choose to mask those items from view and therefore from change For example In the Configuration...

Page 21: ...No Yes Yes View Change PID No Yes Yes No Yes Yes Yes RDY 2 1 SET fpl PCOA No Lockout Fully Locked Operator s Perspective Set Point Lockout Front Panel Lockout Security Tag Three Lockout Options Detail...

Page 22: ...Switch closed start Select this feature with rts tmr Output 2 sets timer interval in hours minutes thM or minutes seconds tMS Display Default dISP lets you choose the primary last 2 characters and se...

Page 23: ...Front Panel Lock or Timer Hrs Min off fpl tmr Off Front Panel Timer Lock Display Default Choose the primary last 2 characters and secondary first 2 characters default displays Press to toggle to the...

Page 24: ...electric codes Contact local authorities for further information Failure to comply with electric codes could result in injury or death or damage to property Configuration Menu In Input Type C F Celsi...

Page 25: ...hange Set Point No Auto tune No Reset Alarm Yes View or Change Operation No Menu Except Config Menu View or Change Configuration No Menu Except Tag View or Change PID Menu No RDY 2 1 SET fpl Table 9 U...

Page 26: ...an alarm condition occurs and de energize it when cleared Use this type to activate external devices such as audible alarms or lights See Table 10 ALtY next page Normally Closed dEnc or Prnc Alarms de...

Page 27: ...occurs Alarm High Region Alarm Low Region 0 Silenced Alarm State LED off Alarm Output Status Power Off State LED off Alarm Output Status Deviation Alarm Process Alarm Watlow Series 935B User s Manual...

Page 28: ...ALty choice Failure to do so could result in damage to equipment and property WARNING Do not rely on the Series 935B alarms to provide redundant temperature limit control Use correctly specified prop...

Page 29: ...mperature returns to within the safe area At the Range Low value a press displays off and ahi disables At the Range High value a press displays off and ahi disables lat sIl alO ahI no no yes yes A lat...

Page 30: ...Ot1 heat hEAt or cool COOL Output 2 Ot2 timing interval hours minutes thM or minutes seconds tMS Remote Timer Start rts choices 1 Manual start off 2 Remote Timer Start tmr 3 Front Panel Lockout fpl Ti...

Page 31: ...controls the process during the Timer sequence Operations Menu Output 2 is ON before timing OFF during tim ing ON after timing Idle Set Point Timer Ready Band Start Timer Function Output 2 is OFF befo...

Page 32: ...ady band rdY Ready Acknowledge rdYA or Power PWr 9 If you chose rdY or rdya then select a ready band rdy value 10 If you chose SGon or sgof then select a signal time St value 11 Go to the 935B s Opera...

Page 33: ...t rdy value and the key is pressed rdY 10 Ready band 10 F St 10 Output 2 turns ON for 10 sec at the end of the timing cycle Operations Menu Set up tMr 3000 Bake time 30 minutes IdLE 75 The set point t...

Page 34: ...point by 20 to 30 F or 11 to 17 C Observe approach to set point If load temperature overshoots increase dE by 0 50 minute Raise set point by 20 to 30 F or 11 to 17 C and watch approach again Repeat un...

Page 35: ...nd Cool Pb c 0 Set Hysteresis Heat HYSc The Series 935B will provide on off control with the hysteresis value selected and no proportioning action 8 Proportional Bands should be decreased for tighter...

Page 36: ...hermocouple compensation an adjustable 0 10 volt source and a decade resistance box tr50 and tr00 calibrate the thermocouple span tc calibrates the ambient compensation r380 and r 15 calibrate the RTD...

Page 37: ...mV source to 50 00mV dc Allow 10 seconds for sources to stabilize Press and hold Press or until YES appears Release 3 Press Tc00 shall be displayed 4 Set the mV source to 0 00 mV dc Allow 10 seconds f...

Page 38: ...ntroller If the error persists call the factory Be aware of the difference between U S and European thermocouple color colour codes Reversed polarity input leads is one of the most common errors Incor...

Page 39: ...and actual temperatures point to no output action check output configurations as described on p 23 Check wiring p 44 Measure Output Terminals Load on State Load off State C Output 1 3 4 LED 1 on LED 1...

Page 40: ...0 024 0 000 0 6mm 0 0mm Panel Thickness 0 060 to 0 38 1 5 mm to 9 7 mm Layout for four 1 32 DIN knockouts with punch and die Mounting Figure 9 Panel Cut out Dimensions Figure 10 Mounting Layout for Kn...

Page 41: ...anual 41 2 09 53 1mm 1 14 29 0mm Panel Cutout 1 770 44 96mm 4 00 101 6mm 0 50 12 7mm Maximum Overall Depth 4 50 114 3mm Panel Thickness 0 060 to 0 38 1 5mm to 9 7mm 0 870 22 10mm Dimensions Figure 11...

Page 42: ...ges See Figure 12 Each tooth is staggered at a different depth from the front so only one of the tabs on each side is ever locked into the ridges at any time 6 Look at Figure 13 you see that the tabs...

Page 43: ...er s Manual 43 Terminal Block Removal Figure 14 Terminal Block Removal Procedure 2 Move your grip rearward slightly then lift the terminal cover straight up 1 Press in on sides of cover to release the...

Page 44: ...the control system and possibly damage the controller and product Output 1 Wiring Output 2 Wiring NOTE Both Output 1 and Output 2 are DIN a mite compatible Internal Circuitry Output 2 Switched DC C 5V...

Page 45: ...duct Figure 17 Series 935B Ladder Diagram Wiring Example 5 1 3 120V ac L1 2 L2 1 1 1 11 17 12 13 14 15 1 13 14 10 11 4 2 3 5 2 2 2 2 16 18 R 1CR Series 92 92A3 1DJ1 0000 Limit Control 10 8 9 1 CR 1 He...

Page 46: ...shoot and undershoot PID Menu The first software sub menu of the Series 935B Operations Menu provides a location to manually set values for proportional band hysteresis cycle time integral derivative...

Page 47: ...Type In 23 Integral It 15 17 K Keys 7 L Latch LAt 19 26 29 Lockout Functions 20 Front Panel FPL 20 25 Security Tag tAG 20 Set Point SLOC 20 M Minutes Seconds tMS 19 30 Mounting 40 O Operations Learnin...

Page 48: ...rt function or front panel lock depending on menu selection Input Range Specified temperature ranges represent the controller s oper ational span Thermocouple Type E 328 to 1470 F 200 to 799 C Type J...

Page 49: ...d Displays G Green Displays Table 15 Input Range Information J t c 32 to 1382 F or 0 to 750 C K t c 328 to 2282 F or 200 to 1250 C T t c 328 to 662 F or 200 to 350 C N t c 32 to 2282 F or 0 to 1250 C...

Page 50: ...siguiente Espa ol Designaci n Serie 935 N meros de modelos 935A or B 1C C D o K 0 o 1 Cualquier combinaci n de cuatro n meros y letras Clasificaci n Control Categor a de instalaci n II Grado de Contam...

Page 51: ...Type tA9 O or if Ot2 thM or tMs 0 0000 Select a countdown time value adjustable between 00 00 and 99 59 hrs mins or min sec tMr Countdown Timer tA9 O or if Ot1 and Ot2 ALM Type J Range High RL0 Selec...

Page 52: ...9 0 F or 0 1 C to 555 0 C hYSh Hysteresis Heat tA9 P or if Ot1 and or Ot2 hEAt 25 F or 17 C 0 999 0 555 0 99 0 0 55 0 Select a value in whole degrees 0 F to 999 F or 0 C to 555 C or in tenths of degre...

Page 53: ...999 0 F or 0 0 C to 555 0 C Pb c Proportional Band Cool tA9 P or if Ot1 cool and Ot2 hEAt or if Ot1 hEAt and Ot2 cool 0 F or 0 C 0 999 0 555 0 99 0 0 55 0 Select a value in whole degrees 0 F to 999 F...

Page 54: ...e between 0 00 and 9 99 minutes dE Derivative Function tA9 P or if Pb h 0 or if Pb h is hidden and if Pb c 0 or if Pb c is hidden 5 00 minutes repeat 0 9 99 Select a value adjustable between 0 0 and 9...

Page 55: ...1 Function tA9 C Type J range high value rL In Select a value between Input Type Range High and Input Range Low rh Range High tA9 C Type J range low value In rh Select a value between Input Type Rang...

Page 56: ...or Deviation normally open ALtY Alarm Type tA9 C Ac Ac AcSP Act1 t1Ac t1SP Choose the primary last 2 characters and secondary first 2 characters Default displays Press to toggle to the secondary disp...

Page 57: ...rdYA PWr Choose Immediate Ready Band Ready Band Acknowledge or Power Strt Start Timer Function tA9 C or if Ot2 thM or tMS Delay OFF dLon dLoF SGon SGoF Choose Delay ON Delay OFF Signal ON or Signal OF...

Page 58: ...nus functions that will not be displayed and therefore cannot be changed P PID Menu C Configuration Menu except tag O Operations Menu except CnFg A Auto tune tA9 Lockout Tag tA9 C no no YES Choose YES...

Page 59: ...ip 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 aga...

Page 60: ...Zhong Shan Hong Qiao Cointek Bldg Fl 4 Unit P Shanghai 200051 China Telephone 86 21 6229 8917 Fax 86 21 6228 4654 Watlow Japan Ltd K K Azabu Embassy Heights 106 1 11 12 Akasaka Minato ku Tokyo 107 005...

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