Watlow Ramping and Profiling Microprocessor-Based Control SERIES 1500 User Manual Download

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ADJUST

ACTUAL

User's Manual

Series 1500

Watlow Controls, Inc: 1241 Bundy Blvd., Winona, MN 55987 507/454-5300, Fax: 507/452-4507

W150-MA30-9043
October, 1990

Supersedes:
W150-MA20-8843

Ramping and Profiling

Microprocessor-Based

Control

$10.00

Made in the U.S.A.

Summary of Contents for Ramping and Profiling Microprocessor-Based Control SERIES 1500

Page 1: ...ual Series 1500 Watlow Controls Inc 1241 Bundy Blvd Winona MN 55987 507 454 5300 Fax 507 452 4507 W150 MA30 9043 October 1990 Supersedes W150 MA20 8843 Ramping and Profiling Microprocessor Based Control 10 00 Made in the U S A ...

Page 2: ...nt or its performance A full explanation is in the narrow column on the outside of the page Technical Assistance If you encounter a problem with your Watlow control 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 by dia...

Page 3: ...ample Program Steps Table 3 31 Noise Suppression Device Ratings Table 4 Charts 17 Series 1500 Sample Program Chart Chart 1 53 RTD Guarded Access Chart Chart 2 54 T C Guarded Access Chart Chart 3 55 RTD General Parameter Chart Chart 4 56 T C General Parameter Chart Chart 5 57 Programming Chart Chart 6 Page Item 4 Starting Out with the Series 1500 Chapter 1 4 General Description 5 Opening the 1500 6...

Page 4: ...te switch output for activating periphered equipment or processes Models with optional communica tions may be connected to a computer via a serial communications interface The Series 1500 will handle 51 separate control steps Each step duration is variable from one second to 24 hours 59 minutes 59 seconds The 1500 is a profiling control because it will control up to 51 consecutive steps with a sin...

Page 5: ...s alarm points control parameters recycle events and time These default values provide minimum operating instructions until you enter your data The default values are listed in Chapter 4 Technical Reference Remove the Series 1500 carefully from its shipping container Be sure to set this literature aside where it will not be discarded Packing List Included with your Watlow Series 1500 RTD version a...

Page 6: ...yed only as long as alarm condition exists RTD Unit Only 3 ON The Ch 2 sensor is an RTD sensor Jumpers W151 and W153 on the Signal Conditioner board A007 1316 must be installed OFF The Ch 2 inputs is a 0 5V signal representing 0 100 RH Jumpers W150 and W154 on the Signal Conditioner board A007 1316 must be installed T C Unit Only 3 ON Not Used Set in the ON position 5 ON Factory use only Must be i...

Page 7: ...l strip the Series 1500 will show a flashing A digit in the FUNCTION display The digit is an alarm code The ACTUAL display will show four steady dashes meaning open sensor These are normal displays for a unit without sensors For 115VAC control operation install a jumper wire from Terminal 32 to Terminal 35 and a separate jumper wire from Terminal 33 to Terminal 36 Bring line power in to Terminals ...

Page 8: ...rsion will simulate input sensors at room temperature for this procedure Make the correct connections using Figure 4 For an RTD unit connect a 107Ω resistor provided across Terminals 5 and 6 and another 107Ω resistor across Terminals 8 and 9 Also connect a jumper wire provided across Terminals 6 and 7 and another jumper wire across Terminals 9 and 10 See Figure 4 For a T C unit connect a jumper wi...

Page 9: ...ep type program loops wait for conditions set points auxiliary event outputs ON OFF and step duration Monitor Data Mode MNTR DATA OR Change Parameter Mode CHG PARA Set up or change system wide para meters such as real time high low range alarm types alarm points PID settings RS 422 address Set Up Your System Generate a non ramping fixed set point and manipulate event outputs At MNTR DATA halt the ...

Page 10: ...isplay Figure 6 Series 1500 Front Panel Components How to Read the Displays and Use the Keys Here s an understanding of the Series 1500 displays keys and LEDs Use Figure 6 to locate the keys LEDs and displays described here Try everything You ll learn quickly how the 1500 works The detailed overviews in the next section will further your knowledge CH 1 EVENT LEDs Indicates the status of each Chann...

Page 11: ...e GUARDED ACCESS data is not cleared TIME LED When lit indicates that the FUNC TION and DATA displays are showing time DOWN key Acts opposite the UP key Ramps the value in the DATA display downward A light touch decreases the value by one Holding the key down causes the DATA display to decrease rapidly ENTER key Enters selected data or NEXT STEP operations in the CHANGE DATA and CHANGE PARAME TER ...

Page 12: ...meter These modes change with the MODE key They make up the basic software routines that run the Series 1500 Each mode has sub routines and different prompts that appear in the FUNCTION display whenever you press the FCTN key Examine the three figures on the next pages one for each of the modes Under standing how these modes control the Series 1500 is the key to learning the control Figure 7 Monit...

Page 13: ...tep but must be in the CHG DATA mode to change the step number You ll see Step type Ch 1 and Ch 2 set points Auxiliary outputs programming Step duration Monitoring a Running Program You may look at the current step You ll see Ch 1 and Ch 2 current set points Auxiliaries programmed ON or OFF Time remaining Set a Non Ramping Set Point Set a non rampong fixed set point and manipulate event outputs ...

Page 14: ... Repeat that step __ times Jump Counts Go to any next step a means to wait for a particular condition or time This Step is a WT step Wait for this Ch 1 value to occur __ Wait for this Ch 2 value to occur __ Wait for Input Event to achieve a specified conditon Wait for this real time ___ Go to any next step a means for jumping to a step out of numerical sequence Jump Loop JL Wait for WT Set Point S...

Page 15: ...ault values Cold Start Figure 9 Change Parameter CHG PARA Mode Overview Program These Parameters Set Recycle Option program repeat Set up Ch 1 PID parameters and calibration offset Set up Ch 2 PID parameters and calibration offset Leave Guarded Access Program These Parameters Set Ch 1 Ch 2 alarm type and high low points Leave Guarded Access Program These Parameters Set up Ch 1 and Ch 2 high and lo...

Page 16: ...ie Sample Program Let s assume that Great Grandma handed down to you her secret recipe for wonder ful apple pie It s not that her ingredients are so different but she took great care to control baking temperature and humidity and to add topping ingredients at just the right times in the baking cycle These really are fantastic apple pies so you ve bought an oven with a Series 1500 control and you r...

Page 17: ...when you want them to You even have an Event Output to put your pies in and take them out of the oven at just the right times You ll need to turn the Events ON as follows STEP CH 1 EVENTS CH 2 EVENTS 1 Wait 0 0 2 1 2 4 1 2 3 2 3 4 3 4 1 4 5 1 2 6 1 2 4 2 3 4 8 3 4 1 3 Understanding the Modes of Operation Chart 1 Series 1500 Sample Program Chart Table 2 Sample Program Event Outputs 400 F 90 RH 275 ...

Page 18: ... mode to watch things happen CHG DATA This is the mode where you ll enter program operating DATA set points time interval for each step and Event Outputs In this mode you can also change data or correct errors in the program If you want to wait until a specific time before doing something or to set up program loops you also enter that information in CHG DATA With the CHG DATA LED on pressing the F...

Page 19: ...pressing FCTNuntil GA comes around again 2 Place 0006 one of the Guarded Access codes into the Data Display using the UP DOWN keys 3 Press ENTER untilthe RC RC Recycle prompt appears in the Function Display 4 Placea 0001 intotheDataDisplay PressENTER Begin Entering Data Now that you have entered the real time and the Recycle option go to the CHG DATAmodetoenteractualprogramdata 1 Press the MODE ke...

Page 20: ... 02 SP and you do want to enter Set Point Data first press ENTER The display changes to S1 Set Point for Ch 1 2 Use the UP DOWN keys to put 400 0 into the display Some practice may be necessary to stop at the right value Then press ENTER The display changes to S2 Set Point for Ch 2 3 Place 090 0 into the display and press ENTER The display changes to E1 Events for Ch 1 The Data Display is blank ri...

Page 21: ...y The display changes to JS Jump to Step Enter the number of the step the program will jump to 0004 Press ENTER The display changes to JC Jump Count 4 Since you want to jump back to Step 4 two times total of 3 times through the loop enter 0002 Press ENTER The display changes to 07 NX 0008 5 Press ENTER you do want to program Step 8 now The diiplay changes to 08 SP Programming Step 8 You re ready t...

Page 22: ...ammed time Now use the MODE key to move to the CHG PARA mode with the TlME LED also ON You can watch as real time approaches your programmed time When the times match the step numberchanges to 02 You will also see the Ch 1 and Ch 2 Event lights come ON to coincide with the Events you programmed for Step 2 As the program runs its course you can use the MNTR DATA mode and the FCTN key to view the pr...

Page 23: ...eginning conditions depend on the step performed just previously Know where you are going and where you ve been C Step 4 of your Sample Program is an example l As the chart on page 17 shows you expect to start Step 4 at 400 and ramp uniformly down to 275 This certainly is what happens on the first time through Step 4 l But when you loop back from Step 6 your starting point is 11 O You will be ramp...

Page 24: ...t to 2 Any value from 1 to 255 can be used in loops of this type B If you program 0 into JC the JUMP will occur infinitely This action could set up a never ending loop if the jump is backwards Oryou can set up a one time unconditional jump if the jump is forward If you use a forward jump the 0 choice makes no difference The jump will be performed once l But why would you ever want to simply jump f...

Page 25: ... data for this step only will clear and you can now reprogram it 6 Interactive Changing of Set Points and Events When in the halted condition the Series 1500 actively maintains the current set points and Event Output status At times you may wish to change these conditions without actually entering and running a profile step To do this you must be in the MONITOR DATA mode halted PROG HALT LED ON an...

Page 26: ...ckel Silver sheath made for fast temperature response The detector element is platinum wire 100Ω at 0 C with a temperature coefficient of 0 003916Ω Ω C The sheath is 0 1875 in 5 mm diameter 2 75 in 70 mm long The three wire leads are 48 in 1219 mm long and teflon insulated Contact Gordon at 5710 Kenosha St Box 500 Richmond IL 60071 Phone 815 678 2211 Excessive lead length in a two wire RTD sensor ...

Page 27: ...these sensors should be moderate The sensors must be thermally insulated from the sensor mounting Both thermocouples must be un grounded to obtain correct readings Wiring Practices for Preventing Noise Most noise problems stem from wiring practices the major means of coupling noise from its sources to the control circuit An outstanding information resource for wiring guidelines is the IEEE Standar...

Page 28: ...e control circuit signals must travel over two feet or when they are bundled in parallel with other signal wires not line voltage or load wires The size or gauge of wire should be selected by calculating the maximum circuit current and choosing the guage meeting that requirement Using greatly larger wire sizes than required generally will increase the likelihood of electrostatic capacitance coupli...

Page 29: ...u are ways to achieve a minimum level of clean input power protection In almost all cases these guidelines will remove the potential for input power problems If you ve applied these measures and still do not get results please feel free to call us at the factory We are here to see that our control products work well and do the job they were designed to do Definitions Ground Loop A condition create...

Page 30: ...tions or other low power lines going to the control Don t use conduit for computer ground Don t have phase angle fired devices in the same electrical enclosure or on the same power line with the control Don t connect ground to the control case if the control is mounted in grounded enclosure prevent ground loops Don t fasten common mode line filters or filters with metal cases to metal that is at g...

Page 31: ...oise Choose the one best suited for your system if you are unsure which one to use see Figure 12 For very dirty or critical application use micro computer regulated power supply or Uninterruptable Power Supply U P S Line Load L2 L1 Ground Control k1 D M Line Filter Shield C M Line Filter Line Load L2 L1 Ground k1 D M Line Filter k2 mov Line Load L2 L1 Ground Control k1 C M Line Filter k2 Shield Fi...

Page 32: ...ol circuit and at the same time buffed the control circuit from A C line noise Devices like a Corcom use media electromagnetic filtering other than electric circuits to filter out the electrical noise Care must be taken in matching the power capabilities of the filter in respect to the power demands of the circuit 4 The ultimate protection is an uninterrruptable power supply This device senses the...

Page 33: ...500 User s Manual 33 Bezel 1 180 0 500 7 000 5 375 0 015 8 68 Note All dimensions in inches Note All dimensions in inches 6 0 6 0 5 433 SQ MIN 5 472 SQ MAX or 5 7 16 Nominal Your Panel Thickness 0 06 to 0 25 Figure 13 Unit and Panel Cutout Dimensions Mounting bracket ...

Page 34: ...or 230 VAC jumper 33 to 35 Attach Chassis Ground to 34 If you wish to disable Channel 2 Figure 18 will show you how to do that Figure 19 provides the pin configuration for units equipped with RS 422 RS 423 data communications On these models the serial communications interface is through a DB 15 D Type female connector located on the 1500 s backplane This connector is tapped to accept two 4 40 bra...

Page 35: ...to Terminals 5 and 6 with a jumper wire from Terminal 6 to Terminal 7 For Channel 2 attach the leads to Terminals 8 and 9 with a jumper wire from Terminal 9 to Figure 14 Signal Conditioner Connections and Jumpers Not Used CAUTION Thermocouples must be un grounded Grounded thermo couples will generate errone ous temperature indication and can develop communi cation errors NOTE Terminals 1 4 11 12 p...

Page 36: ...y Temp RH Control Output Power Supply Input 0 5 Amp Solid State Relay Figure 16 Power Supply Input Temp RH Output Connections for Dual Solid State Relay Version NOTE The control power outputs for each channel can be powered by inde pendent 115VAC or 230VAC lines CH 2 Event 4 Load CH 2 Event 3 Load CH 2 Event 2 Load CH 2 Event 1 Load CH 1 Event 4 Load CH 1 Event 3 Load CH 1 Event 2 Load CH 1 Event ...

Page 37: ...y Input Temp RH Output Connections for Dual Solid State Switch Version CH 1 Heat Load CH 1 Cool Load CH 2 Humidify or Heat Load CH 2 De humidify or Cool Load Power See Figure 17 next page 25 26 27 28 29 30 31 32 33 34 35 36 10 Unregulated Supply CH 2 Event 4 Load CH 2 Event 3 Load CH 2 Event 2 Load CH 2 Event 1 Load CH 1 Event 4 Load CH 1 Event 3 Load CH 1 Event 2 Load CH 1 Event 1 Load 13 14 15 1...

Page 38: ...e line ground wire to Terminal 34 Figure 17 Power Supply Input CH 1 CH 2 Output Connections CHASSIS GROUND L1 L2 Required when running Ch 1 TEMP control without Ch 2 RTD T C 1 Select TT 1 for TEMP TEMP operation Refer to Page 46 Figure 21 2 Install a 107Ω resistor between Terminals 8 and 9 plus a jumper wire between Terminals 9 and 10 1 Put a jumper between Terminals 8 and 10 Figure 18 Wiring to D...

Page 39: ...articularly helpful in recording your program You must also set the RS 423 RS 422 Jumper for a communications interface Put the jumper on W423 for RS 423 or on W422 for RS 422 DB 15 Connector W423 W422 A007 1484 NOTE The RS 423 RS 422 Selection Jumper is located on the logic A007 1484 board on the side opposite the DB 15 connec tor Figure 19 RS 422 423 Inter face Pin Designa tions and Jumper Jumpe...

Page 40: ...d in this section This will enable you to program the Series 1500 quickly and without mistakes Together the Series 1500 Programming Chart the Guarded Access Chart and the General Parameter Chart will provide you with a back up copy of your entire program Select the Proper DIP Switch Settings Prior to programming and operating the Series 1500 you must set DIP Switches 1 2 6 and 7 for the conditions...

Page 41: ... key to select the data for the DATA display Then press the ENTER key to enter the data The display will momentarily blank then the entered data will re appear for a short duration and then self prompt to the next parameter Whenever you press the MODE key you ll get an immediate exit from any mode the 1500 is in The flow diagrams Figures 15 and 16 will aid you in understanding the programming proc...

Page 42: ...actual time of day values for each and press ENTER The Blank Step Any unprogrammed step is first a Blank Step before information entered makes it a Set Point Jump Loop or Wait Step A Blank Step halts the processor When it encounters a Blank Step at the end of a program the processor will always halt unless you selected the RECYCLE option in the CHG PARA mode In that case the program returns to Ste...

Page 43: ...t to right Press ENTER E2 Channel 2 Event Outputs Again select a 1 or a 0 for eachof the four available events 1 ON 0 OFF The DATA display shows the 1 or 0 entry for Events 4 l through 1 from left to right Press ENTER Note If you ve set DIP Switch 1 ON then there are only three events available for each channel In that case each Event 4 is an alarm HR Step Duration Select hours press ENTER The pro...

Page 44: ...proces sor never reaches Step 7 See the example below Use simple loops in your programs You ll find hints to programming below JS Jump Step selects the step to jump to press ENTER JC Jump Count selects the number of times this loop is to run press ENTER For NX Next Step press ENTER to go to the next step or select any step Any value from 1 to 255 can be used in loops of this type If you program 0 ...

Page 45: ...lank or when a 0 is in the display When waiting for Time program all three units HR MN SC If you program only 53 for Minutes but enter nothing for Hours or Seconds the programmed time will be 53 minutes after midnight 00 53 00 The Wait Step does not follow the linear ramping path to reach the new conditions as a Set Point Step does A Wait Step uses the previous step s set point To opti mize contro...

Page 46: ...eter Mode CHG PARA Press the mode key to select the Change Parameter CHG PARA mode The TIME LED will be ON The FUNCTION and DATA displays will show the real time of day Press FCTN to produce the time prompt HR in the FUNCTION display You ll enter the real time of day here beginning with hours 1 See Change Parameter Fig 16 Series 1500 CHG PARA ChangeParameter Software Selects MNTR DATA CHG DATA or ...

Page 47: ...eters are more fully explained in the Alarm reference section p 46 Ranges for your particular unit are in the charts on pages 49 or 50 UP Upper Process Type Alarm Select an alarm point of this type for Ch 1 Press ENTER press FCTN If you do not want this alarm set to highest value LP Lower Process Type Alarm Select an alarm point of this type for Ch 1 Press ENTER press FCTN If you do not want this ...

Page 48: ...he UP and DOWN keys Press ENTER press FCTN L2 Ch 2 Low Set Point Limit Place the Channel 2 lower set point limit in the DATA display with the UP and DOWN keys Press ENTER press FCTN LC Front Panel Keyboard Lockout Enter a 1 to lock the entire front panel or a 0 to unlock it RC Recycle Select 1 to activate the recycle option begin again at Step 1 after completing a profile Or select 0 to deactivate...

Page 49: ... When any one of a channel s alarms is triggered the Event 4 indicator on the Series 1500 front panel for that channel will light If the Event Output Alarm Option is selected the number of events per channel in a program step is reduced from four to three Latching Option The latching option allows alarms to be latched so that momentary alarms are saved for the operator An alarm code will flash unt...

Page 50: ...time clock and a short power interruption occurs the 1500 will pick up the program where it left off The program however will be running behind the real time clock correct time by the duration of the power outage A Waitfor time step in the program would correct that time lag in the next 24 hour period If your 1500 does not have a battery backed clock and a short power outage occurs the 1500 still ...

Page 51: ...Program the Events in the CHG DATA Mode entering them in a 1 ON O OFF manner for each step The four place DATA display shows the ON OFF status reading from left to right beginning with Event Output 4 on the left and so on Thus with the El or E2 prompts the DATA display will read 1001 or 0011 or any other combination of 1 s and or 0 s You program Event Outputs in the Change Data Mode When DIP Switc...

Page 52: ... F 0500VDC 1 00 0 F 0 000VDC 0 0 F 5 000VDC 1 000 0 F Ei uum O OOOVDC 0 C 1 250VDC 250 C 2 500VDC 500 C If using RH 0 000VDC 0 0 RH 0 500VDC l00 0 RH If using 0 0 500V option 5 000VDC 1 00 0 RH If using 0 5 000V option T T C Units 0 500VDC 1 00 F 0 000VDC 0 F 5 000VDC 3200 F 0 l00VDC 64 C 0 000VDC 0 C 2 750VDC 1 760 C Thermocouple types which use only parts of the 100 to 3200 degree range will hav...

Page 53: ...00 00 20 00 repeats min 1 1C RT Ch 1 Rate 1C Rb Ch 1 Rate Band 1C CT Ch 1 Cycle Time 2H Pb Ch 2 Prop Band 2H RS Ch 2 Reset 2H RT Ch 2Rate 2H Rb Ch 2 Rate Band 2H CT Ch 2 Cycle Time 2 db Ch 2 Dead Band 2C Pb Ch Prop Band 0004 0 500 C or F 2 C RS Ch 2 Reset 2C Rt Ch 2 Rate 2 C Rb Ch 2R W ate Band 2C CT Ch 2 Cycle Time U1 Ch 1 Upper Set Point Limit L1 Ch 1 Lower Set Point Limit U2 Ch 2 Upper Set Poin...

Page 54: ... Ch 1 Lower Process Alarm 99 99 3200 F 99 99 1760 C Cl Ud Ch 1 Upper Deviation Alarm 3200 0 3200 F 1760 0 1760 C Cl Ld Ch 1 Lower Deviation Alarm 999 999 0 F 999 999 0 C c 2 UP Ch 2 Upper Process Alarm 3200 99 3200 F 1760 99 1760 C C 2 LP Ch 2 Lower Process Alarm 99 99 1760 C C2 Ud Ch 2 Upper Deviation Alarm 3200 0 3200 F 1760 0 1760 C C2 Ld Ch 2 Lower Deviation Alarm 999 999 0 F 999 999 0 C OOOI ...

Page 55: ...be in the ON position 6 ON 1 Cold Start on power up Memory cleared parameters set to default values I I 1 6 OFF 1 Warm Start on power up Programmed values are retained for all parameters 1 I 7 ON C function after a Cold Start 7 OFF F function after a Cold Start OFF Not Used Set in the OFF position OFF RTD Series 1500 Parameter Ranges Prompt Parameter Number of Steps Step Type Data Comm S1 Ch 1 Set...

Page 56: ...vent Outputs 4 3 2 1 4 3 2 1 Step Type Set Value Step Type HR Set Point SP Jump Loop JL Wait For WT HR WH WE S1 JS W1 S2 W2 JC Set Point SP Jump Loop JL Wait For WT HR WH S1 JS W1 S2 W2 JC WE Set Point SP Jump Loop JL Wait For WT HR WH S1 JS W1 S2 W2 JC WE Set Point SP Jump Loop JL Wait For WT HR WH S1 JS W1 S2 W2 JC WE Set Point SP Jump Loop JL Wait For WT HR WH S1 JS W1 S2 W2 JC WE Set Point SP ...

Page 57: ...g No _______ System _______ Programmer _______ Date _______ Page _______ of _______ E2 E1 JL Wait For WT WH WM W1 W2 WE Set Point SP Jump Loop JL Wait For WT HR MN WH WM S1 JS W1 S2 W2 JC WE Set Point SP Jump Loop JL Wait For WT HR MN WH WM S1 JS W1 S2 W2 JC WE Set Point SP Jump Loop JL Wait For WT HR MN WH WM S1 JS W1 S2 W2 JC WE Set Point SP Jump Loop JL HR MN WH S1 JS S2 JC WE Set Point SP HR W...

Page 58: ...ntation Technology Third Edition by Curtis D Johnson Hardcover 1982 497 pp ISBN 0 471 05789 4 approx 37 00 Its overall objective is to provide instructional material for a general understanding of process control characteristics such as elements modes and stability along with detailed knowledge of measurement technique control mode implementation and final control element functions Johnson Using a...

Page 59: ... because the initial reset value is 0 00 repeats per minute The ACTUAL temperature will stabilize below the desired set point When Pb 0 RS Rb RT and Ct are inoperative and the 1500 functions as a simple ON OFF control with a 3 F 1 7 C switching differential Reset Adjustment Gradually increase RS until the ACTUAL display temperature begins to oscillate or hunt Then slowly decrease RS until the ACTU...

Page 60: ...the set point at the instant of termination How to Restart a Program Press the RUN HALT key to restart the program The PROGRAM HALT LED goes out If you entered no new data or did not change steps during the halt the program resumes where it left off completing the time remaining in the current step If however you changed the step data or the step number during the halt the pro cessor starts at the...

Page 61: ... can select one of two hardware interfaces 1 RS422A for a multidrop or multiple device network up to ten devices total with 4000 network length limit or 2 RS 423A RS 232C compatible for one on one communication on a 50 network you need you must use the correct combination of interface and protocol We use ANSI X3 28 Protocol based on ANSI X3 28 1976 Subcategories 2 2 and A3 with the RS 422A interfa...

Page 62: ... negative value Whenever you send an STP command to enter step parameters the Series 1500 is automatically halted The correct protocol must be applied to each command string for the communications to function Parameter limits are listed in the Guarded Access and General Parameter Charts located in this section An operator at the Series 1500 front panel and an operator at a computer remotely linked...

Page 63: ...code infonnation ALM 00 Clear all alarm codes NXS ERR PDA PDA TIM TIM LIM LIM LOC LOC RCY RCY Put the Series 1500 into Step Request the last communication error and then clear the error code to 0 Request the process and or deviation alarm set points Enter the process and or deviation alarm set points Requests real time of day Enter real time of day Requests high and low set point limits Enter high...

Page 64: ...of the binary number totaling the states of the events for each channel Each of the event outputs has a 1 state for ON or a 0 state for OFF If DIP SW 1 is ON there are 4 events per channel 8 total If DIP SW 1 is OFF Event 4 for each channel is an alarm and thus there are only 3 events per channel 6 total Event 4 or 3 holds the most significant digit position in the binary number denoting the state...

Page 65: ...l Unprogrammed parameter 0000 Step Type Ch 1 set Point Ch 2 set Point Set Point Step STP Step Ch 1 Set Ch 2 Set Ch 1 al 2 Hr Mn Type Point Point Events Events DurationOf The Step Sample Response 00011234084000050011 00020030 0000 Jump Loop Step STP l Unprogrammed parameter 0002 S t e p Jump Jump Type Step Count Sample Response 0002 0004 0010 Data Communications Commands and Syntax Chapter 4 WATLOW...

Page 66: ...nterStepparameters the Series 1500 haIts automatically Blank Step STP Unprogrammed parameter 00 l l l l l l l S t e p Ch1 Set Ch 2Set Ch 1 Ch 2 Hr Mn Sec T y p e Point P o i n t Events Events Duration of the step Sample Transmission STP2200 or STP 22 00 Set Point Step STP Step I Step Ch 1 Set Ch 2 set Ch 1 Ch 2 Hr Mn Sec Type Point Point Events Events Duration Of The step SampIe Transmission STP12...

Page 67: ...time of day and upper and lower set point limits w D s HR MN SC Ch 1 upper C h 1Lowet Ch 2Upper Ch 2Lower RealTme Clock Limit Limit Limit Limit Sample Response 08 25 00 9999 999 9999 999 PTR Enter real time of day and upper and lower set point limits HR MN SC C C h 1 UPPef C h 1Lower Ch 2Upper c2 Lower Limit Limit Limit Limit Sample Transmission PTR 08 25 00 9999 999 9999 999 Data Communications C...

Page 68: ...esponse 8765 4321 1234 123 w CH 2 UpperLimit CH 2LowerLimit LIM Enter upper and lower set point limits Ch 1UpperLimit Ch 1 Lower Limit CH 2Upper Limit CH 2Lower Limit SampleTransmission LIM 8765 4321 1234 123 LOC Requests keyboardlockout status 0001 SampleTransmission LOC 0001 LOC Enter keyboard lockoutstatus 0001 SamplelResponse 0001 68 WATLOW Series 1500 User s Manual Data Cornmunications Comman...

Page 69: ...Heat Heat Cool Sample Response 0048 0012 0034 0003 0029 0021 0012 0084 0021 0043 0000 0020 Ch1 Ch1 Prop Reset Ch1 Ch1 Ch1 Ch1 Rate Cycle Dead Ch1 Calib Time Band Offset SampleCommand GA1 0048 0012 0034 0003 0029 0021 0012 Dual PID S B _ Chl Chl Chl Chl Chl Chl Chl Chl Chl Chl Chl P r o p Reset Rate cab p Q Reset Ram Time offset Time Heat Heat Sample Response GA1 0048 0012 0034 0003 0029 0021 0012 ...

Page 70: ...1 0012 Dual PID w e w B B _ __d_ 3 w ctl2 Ch2 Ch2 P r o p Reset Rate Rate Calib P r o p Reset Rate offset Heat Heat Heat Heat Heat E SampleCommand GA2 0048 0012 0034 0003 0029 0021 0012 0058 0021 0043 0000 0020 STS Request the program Run Halt and End status Run Halt Program End Sample Response 01 00 STS Send Run or Halt to the Series 1500 l Run O Halt 2 Remote Hold 1 Program ended 0 Program not e...

Page 71: ... has exceeded LP the lower process alarm value Ch 1 Actual has exceeded Ud the upper deviation alarm value Ch 1 Actual has exceeded Ld the lower deviation alarm va ue Ch 2 Actual has exceeded UP the upper process alarm value Ch 2 Actual has exceeded LP the lower process alarm value Ch 2 Actual has exceeded Ud the upper deviation alarm value Ch 2 Actual has exceeded Ld the lower deviation alarm val...

Page 72: ...ommunications we recommend that you put the capability to wok You may write computer programs based on this command syntax You will also be able to build and store profiles for the Series 1500 72 WATLOW Series 1500 User s Manual Data Communications Commands and Syntax Chapter 4 C 1 Upper Ch 1 Lower Ch 1 Upper Ch 1 Lower Ch 2 Upper Ch 2 Lower Ch 2 Upper Ch 2 Lower Process Process Deviation Deviatio...

Page 73: ...e out of limit 113 Ch 1 Upper Limit is out of limit 114 Ch 1 Lower Limit is out of limit 115 Ch 2 Upper Limit is out of limit 116 Ch 2 Lower Limit is out of limit 117 Proportional Band for Ch 1 is out of limit 118 Reset for Ch 1 is out of limit 119 Rate for Ch 1 is out of limit 120 Cycle time for Ch 1 is out of limit 121 Dead Band for Ch 1 is out of limit 122 Proportional Band for Ch 2 is out of l...

Page 74: ...ting Follow this procedure to troubleshoot a suspected bad sensor 1 Remove power from the unit 2 Check each sensor input with an ohmmeter at the terminals with the sensor installed Use the Connection Label pasted on the right side of the Series 1500 case to locate the correct terminals With an open sensor the resistance will read greater than 330 ohms A shorted sensor will have a resistance less t...

Page 75: ...t line voltage per wiring diagrams on page 37 3 Connect decade box for Channel 1 S1 to Term 5 S2 to Term 6 and S3 to Term 7 Short S2 to S3 at decade box 4 Connect decade box for Channel 2 S1 to Term 8 S2 to Term 9 and S3 to Term 10 Short S2 to S3 at decade box Calibration 1 Document DIP Switch positions and all values in Guarded Access pp 53 55 2 Check DIP Switches if 7 is OFF use F values 7 is ON...

Page 76: ...necessary Calibrate RH Output 14 Remove DVM plus lead from Term 3 and connect to Term 2 Set Ch 1 and Ch 2 inputs to 136 59 135 97 ohms Adjust F S pot for 0 500VDC on DVM Ch 2 Actual should read 100 0 1 0 15 Set Ch 2 input to 112 75 112 53 ohms Adjust zero pot for 0 000VDC on DVM Ch 2 should read 00 0 1 0 16 Repeat Steps 14 and 15 until readings are correct 17 Set Ch 2 input to 132 28 131 74 DVM sh...

Page 77: ...tioner CH 1 Input Terminals observe proper polarity per diagram on page 35 4 If calibrating both channels at the same time also connect a C J Compansator to the CH 2 terminals 5 If calibrating one channel at a time connect the CH 2 Signal Conditioner Input Terminals 8 10 together with a short piece of wire to avoid an Open T C alarm 6 Connect the OUTPUT terminals of the CJ Compensator to the mV mi...

Page 78: ...o TP100 TP99 for CH 2 and adjust Zero Adjust Pot for the following DVM reading at TP 100 TP99 for CH 2 Then verify that Actual reads as follows Type DVM Reading Actual Reading J 0 0VDC 0 003 0 F 3 K 0 0VDC 0 003 0 F 3 R 0 8594VDC 0 003 550 F 3 8 Set mV Source as follows and adjust F S POT for the corresponding DVM reading Actual should read the value shown Type mV Source DVM Reading Actual Reading...

Page 79: ... reading Actual should read the value shown Type mV Source DVM Reading Actual Reading J 39 40mV 1300 F 1 100VDC 0 003 704 C 3 K 52 93mV 2400 F 2 055VDC 0 003 1315 C 3 R 20 28mV 3100 F 2 662VDC 0 003 1704 C 3 14 Set mV Source as follows DVM and Actual Readings should be as shown Type mV Source DVM Reading Actual Reading J 17 19mV 600 F 0 4922VDC 0 003 315 C 3 K 26 97mV 1200 F 1 014VDC 0 003 649 C 3...

Page 80: ...0 On Off or 20 with PID l Alarm parameters user selectable l Latching or non latching both channels l Process high low and deviation high low per channel l 51 steps each selectable as l Set point value l Ramping value and time l Wait For time or value l Jump Loop to another step Operator Interface l Membrane front panel user friendly I 2 DIN size l Four digit 1 2 LED s displaying actualprocess inp...

Page 81: ...tate relay 0 5A 24VAC min 253VAC max opto isolated zero cross switching or l DC switched open collector solid state switches 10VDC 5mA Eight event outputs programmed per step or l Six event outputs programmed per step an1 alarm output per channel Accuracy lCalibration Accuracy and Sensor Conformity 0 25 of span 1 digit 1 wet dry RH at 77 F 5 F ambient rated line voltage 1 l Accuracy Span 1000 F or...

Page 82: ...elays 0 5A and 2 dry contact inputs event remote hold 2 8 discrete outputs S S switches 1 OVDC 5mA and 2 dry contact inputs event remote hold Communications A None C Electrically Isolated RS422 423 Modifications 0 Curve Calibration 0 003916ohm ohm C 1 DIN Curve Calibration 0 003850ohm ohm C Analog Restransmit of Channel 2 Input Signal Available with Dual RTD Input Only 0 0 0 5V out on Channel 2 1 ...

Page 83: ...e ReturningMerchandise 1 2 3 4 5 Call Watlow Customer Service 507 454 5300 for a Return Material Authorlzatlon RMA number before returning any item for repair We need this information Ship to address l Bill to address Contact name l Phone number l Ship via l P O number l Name and phone number of person returning the material l Symptoms and or special instructions Prior approval and anRMA number fr...

Page 84: ...g products in business since 1922 Watlow boasts the ability to begin with a full set of specifications and to complete an industrial product that is manufactured totally in house in the U S A Products designed and manufactured by Watlow are electric heating elements sensors electronic temperature controls and power switching devices The Winona operation has been designing solid state electronic co...

Page 85: ...nts step duration waitfor or jumploop conditions andauxiliaryoutputstatus Change Parameter Mode CHG PARA Set up the system step information for the Series 1500 including realtime highandlowrangelimits alarmtypes alarmpoints PID parameters andRS 422address Channel Closed loop Adistinctelectroniccontrol boporpath forreadinginputdata communicating information to an output device or devices and Contro...

Page 86: ...cess codes The GA parameters include alarm types PID parameters dead band cycle times calibration offset recycle option 2 channel temperature control device address and the front panel bck Indicated by a steadily ON PROG HALT LED caused by a RUN HALT key press during a running program or by the program reaching a Blank unprogrammed step See Remote Hold In ON OFF control the temperature change nece...

Page 87: ...raph Program Step A numbered step in a process control program which contains parameters for causing a predictable response by the control its own specific Ramping Progressing from one set point to another set point over a periid of time Range Minimum and maximum operating limits of a sensor or controller Rate Anticipatory action that senses the rate of change of temperature and compensates to min...

Page 88: ...e input signal for use in the control Includes linearization and or sensorexcitiation Proportioning control Distance in degrees or other units between the minimum and maximum operating limits of a sensor or controller See Hysteresis A regulated environment consisting of a heat source heat transfer medium sensing device and a process variable control instrument Temperature sensing device that is co...

Page 89: ...ed Access Chart Chart3 54 H Halt Conditions 22 Helpful Hints 22 24 Ramping Conditions 23 Wait Step 23 Jump Loop Step 24 Recycle 24 I Installation Procedure 34 R Ramping Conditions 23 43 Rate 48 Rate Band 48 Recycle Option 24 41 Remote Hold 36 51 Reset 47 Returning Merchandise 83 RTD Installation Guidelines 26 Run and Halt a Program 60 S Sample Program 16 Programming Step 1 19 Programming Step 2 20...

Page 90: ...Around in the Series 1500 Software ENTER ENTER Monitoring a Set Point SP Step in a running program Monitoring a Wait WT Step in a running program ENTER ENTER U1 Ch 1 Upper Set Point Limit L1 Ch 1 Lower Set Point Limit U2 Ch 2 Upper Set Point Limit L2 Ch 2 Lower Set Point Limit GA Guarded Access RC Recycle Option Pb Proportional Band RS Reset RT Rate Rb Rate Band db Dead Band CT Cycle Time CA Calib...

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Watlow Ramping and Profiling Microprocessor-Based Control SERIES 1500, User Manual

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