r USER`S MANUAL
Contents
1. VI MOUNTING REQUIREMENTS Select a mounting location where there is minimum vibration and the ambient temperature range between 0 and 50 C 32 and 122 F The instrument can be mounted on a panel up to 15 mm thick with a square cutout of 45 x 45 mm For outline and cutout dimensions refer to page IV The surface texture of the panel must be better than 6 3 um The instrument is shipped with rubber panel gasket To assure the IP65 and NEMA 4 protection insert the panel gasket between the instrument and the panel as show in fig 1 While holding the instrument against the panel proceed as follows 1 insert the gasket in the instrument case 2 insert the instrument in the panel cutout 3 pushing the instrument against the panel insert the mounting bracket Gasket 4 with a screwdriver turn the screws with a Fig 1 torque between 2 7 to 3 5 in Ib 0 3 and 0 4 Nm CONNECTION DIAGRAMS Connections are to be made with the instrument housing installed in its proper location PWR_LINE MAIN RELAY NO C MAIN SSR NC H de Lis OUT 2 8 3 2 IU RTD 6 11 J Fig 2 REAR TERMINAL BLOCK A MEASURING INPUTS NOTE Any external components like zener barriers etc connected between sensor and input terminals may cause errors in measurement due to2. 1 Set the resistor box to 300 00 Q 3 Push A or Y pushbutton the display will change to PH n where n means On 4 After 30 seconds start the calibration by pushing the FUNC pushbutton Only the decimal point of the last significant digit will light to indicate that the controller is performing the calibration routine At the end of this calibration routine the instrument will go to the next step P RTD INPUT CHECK The P code followed by the two most significant digits and the remaining digits of the measured value are shown alternately on the display Check symbol MSD in counts Pau remaining three digits vo 20 The PH calibration is correct if the indication is P 30 and 000 10 counts 1 Check the zero calibration by seting 0 00 Q on the the resistor box The result should be P 0 and 000 10 counts 2 Check the linearity by setting 100 00 Q on the the resistor box The result should be P 10 and 153 10 counts 3 Set 200 00 Q on the the resistor box The result should be P 20 and 151 10 counts 4 Push the FUNC pushbutton The calibration procedure is complete and the display will show CAL When it is desired to go to the configuration procedure depress the A pushbutton and the display will show CnF and the controller is in configuration mode If the previous configuration is correct switch the controller OFF and set the switch V2 21 GENERAL INFORMAT
3. al NOTES 1 Toavoid electric shock connectpower line at the end of the wiring procedure 2 Forpowerconnections use No 16 AWG or larger wires rated for at last 75 C 167 F 3 Use copper conductors only 4 Don truninputwires together with power cables The following recommendations avoid serious problems which may occur when using relay output for driving inductive loads INDUCTIVE LOADS High voltage transients may occur when switching inductive loads Through the internal contacts these transients may introduce disturbances which can affect the performance of the instrument The internal protection varistor assures a correct protection up to 0 5 A of inductive component but the OUT 1 NC contact is not protected The same problem may occur when a switch is used in series with the internal contacts as shown in Fig 7 ERES POWER LINE LOAD Fig 7 EXTERNAL SWITCH IN SERIES WITH THE INTERNAL CONTACT In this cases it is recommended to install an additional RC network across the external contact as show in Fig 7 Chromalox snubber PN 0149 01305 is recommended The value of capacitor C and resistor R are shown in the following table LOAD C R P OPERATING mA uF Q W VOLTAGE lt 40 mA 0 047 100 1 2 260 V AC lt 150 mA 01 22 2 260 V AC lt 05 A 0 33 47 2 260 V AC Anyway th
4. C RJ excluded lt 400 ppm C for RTD input with 19 9 99 9 C range and TC type T Reference junction drift 0 1 C C Operative temperature from 0 to 50 C 32 to 122 F Storage temperature 20 to 70 C 4 to 158 F Humidity from 20 to 85 RH non condensing Protections 1 WATCH DOG circuit for automatic restart 2 DIP SWITCH for protection against tampering of configuration and calibration parameters INPUTS A THERMOCOUPLE Type L J K N T programmable by front pushbuttons Line resistance max 100 with error lt 0 1 of the input span Engineering unit C or F programmable Reference junction automatic compensation from 0 to 50 C Reference junction drift 0 1 C C Burn out Up or down scale selectable Calibration according to IEC 584 1 and DIN 43710 1977 TC L STANDARD RANGES TABLE 16 Measuring ranges type L 0 800 C 0 999 F J 0 800 C 0 999 F K 0 999 C 0 999 F N 0 999 C 0 999 F T 0 400 C 0 752 F B RTD Resistance Temperature Detector Type Pt 100 3 wires connection Current 135 A Line resistance automatic compensation up to 20 Q wire with error lt 0 1 of the input span for range 19 9 a 99 9 C not measurable error for the other ranges Engineering units C or F programmable Burn out up scale NOTE a special test is provided to signal OVERRANGE when input resi
5. insert the security code 500 to 999 when selecting a security code between these two numbers the operation is identical to a selection from 2 to 499 except that both the set point and the alarm set point can be modi fied P12 Control output maximum rate of rise Programmable from 1 to 10 of the output per second The ramp is applied when the controller changes the percent of output desired Above a 10 the display will show InF meaning that no ramp is imposed and the output immediatelychanges to the PID calculated value P12 not used if ON OFF control selected P13 Not used ADVANCED CONFIGURATION The configuration procedure is completed and the instrument shows 7 on both displays When it is desired to end the configuration procedure push the FUNC pushbutton the display will show CnF When it is desired to access to the advanced configuration parameter procede as follows 1 using A and Y pushbutton set to 219 2 push the FUNC pushbutton P14 Display of the operator parameters This parameter is available only if P11 is different from 0 This parameter allows you to enable disable the display of the protected parameters during operator mode OFF protected parameters cannot be displayed ON protected parameters can be displayed P15 SMART function enabling disabling 0 The SMART function is disabled 1 The SMART function ena
6. Changing P2 and or P3 parameters the rL and rH parameters will be realligned to it P4 Main output action r reverse action heating d direct action cooling Reverse Direct INPUT 4 t 4 t OUTPUT OUTPUT A jt t P5 Output 2 functions 0 Not provided 1 Process alarm 2 Band alarm 3 Deviation alarm 4 instrument failure indicator under or over range CJC or A D converter failure INPUT P6 Output 2 operator mode P6 is available only when P5 is different from 0 When P5 1 2 or 3 H A high alarm outside band with automatic reset L A low alarm inside band with automatic reset H L high alarm outside band with manual reset latching L L low alarm inside band with manual reset latching When P5 4 the selections HA and L A show an instrument failure indicator with automatic reset while the H LandL L selections show an instrument failure indicator with manual reset P7 Alarm action Available only when P5 is different from 0 or 4 r reverse relay de energized in alarm condition d direct relay energized in alarm condition P8 Alarm inhibit Present only when P5 is different from 0 or 4 OFF inhibit disabled ON inhibit enabled NOTE If the alarm is programmed as band or deviation alarm this function disables the alarm condition after a set point change or at the controller startup until the process variable passes the alarm set point plus or minus hysteresis
7. If the alarm is programmed as process alarm this function disables the alarm condition at controller start up until the process variable pass the alarm set point plus hysteresis P9 OFFSET applied to the measured value This OFFSET is applied along the whole range When P1 5 P9 is programmable from 19 9 to 19 9 C When P1 5 P9 is programmable from 199 to 199 C or F Readout Real curve adjusted curve P9 Input Y P10 Threshold of the Soft Start function Enter the threshold value in C or F for the auto matic start of the Soft Start function limiting output power If the unit powers up below the threshold value the Soft Start function is enabled and limits the power output to OLH for tOL minutes OLH and tOL are set in operator mode P11 User defined security code 0 device unlocked All the parameters can be modified 1 device locked None of the parameters can be modified except the SP 2 to 499 Select the security code During the operator mode the software key parameter will show one of the following figures A The device is Unlocked OFF and all parameters can be nnn modified To make the device Locked insert a number different from the security code Now none of the parameters can be modified except the SP B ON The device is locked and none of the parameters can nnn be modified except the SP To Unlock the device
8. any pushbutton for more than 3 second the new set point will become operative after 3 seconds If during this procedure there is no interest in saving the new value push the FUNC pushbutton the instrument will automatically return to the normal display mode without having saved the new set point DISPLAY OF THE SET POINT VALUE To display the programmed set point value push the A pushbutton The display will show the set point value and the decimal point of the last significant digit will flash to indicate that the number shown is the set point value To come back to display the measured value push the A pushbutton again LAMP TEST To verify operation of the display LED push y and FUNC together The instrument LEDs will flash until the Lamp Test is turned off To turn off the Lamp Test press Y and FUNC together No other pushbutton functions are operable during the Lamp Test 13 OPERATOR PARAMETERS The following is a list of all the available control parameters Note that some parameters may not be displayed according to the specific instrument configuration Push the FUNC pushbutton the 1601 will alternately show the parameter and its value or the status ON or OFF of the selected parameter Using A or W pushbutton it is possible to set the desired value or the desired status By pushing the FUNC pushbutton the instrument saves the new value or the new status and goes to the next parameter Param DE
9. equal to t 30 and 000 10 counts 1 Check the zero calibration by setting the calibrator to 0 000 mV the read out must be equal to t 0 and 000 10 counts 2 Check the half scale linearity by setting the calibrator to 25 000 mV The read out must be t 15 and 000 10 counts NOTE when it is desired to use a different check point the following formula describes the ratio between the signal input and the instrument read out in counts input value 50 mV 3 If linearity is incorrect repeat thermocouple calibration 4 Push FUNC pushbutton the instrument will go to the next calibration group Instrument readout in counts 30000 19 COLD JUNCTION CALIBRATION NOTE make sure that tL and tH parameters are correctly calibrated before rJ parameter calibration rJ ACTUAL VALUE The display will show rJ F where F means OFF 1 Measure the temperature close to terminals 2 and 3 using an instrument with accuracy better than 0 1 C see Fig 13 13 a Measuring E device 2 Fig 13 2 Wait for a few minutes to allow the temperature to stabilize over the entire system sensor calibrator and instrument 3 Using A or Y push button set a value equal to the temperature measured by the measuring device in a tenth of C 4 Start the calibration by pushing the FUNC pushbutton Only the decimal point of the last significant digit will
10. 1601 Temperature Controller Vi Chromalox R LU LI F d D O SMARTI EE EE ES 1601 Issue date J USER S MANUAL March 2000 0037 75236 CONTENTS OUTLINE AND CUT OUT DIMENSIONS II MOUNTING REQUIREMENTS A 1 CONNECTION DIAGRAMS see GENERAL OPERATION essere CONFIGURATION HARDWARE SETTINGS CONFIGURATION PARAMETERS OPERATOR MODE e Indicators Pushbutton function see see ee eee eee ee Manual reset of the alarms esse eee eee SMART algorithm Output power OFF Direct access to the set point Display of the set point value Bargraph operating Elle ice OPERATOR PARAMETERS eee ERROR MESSAGES GENERAL INFORMATIONS eee MAINTENANCE cistitis DEFAULT PARAMETEHS see Model identification Model 1601 1 16 DIN Temperature Controller Single Display Code Output 1 Heat or Cool 1 Relay 3 Amps at 250 Vac Resistive 6 SSR Drive 14 Vdc at 20 mA Code Output 2 Alarm 1 Relay 1 Amp at 250 Vac Resistive load Code T 0 Add to complete model number Code Instrument Power 3 100 240 Vac 5 24 Vac de Sade 0 Add to complete model number 1601 6 1 0 3 0 Typical Model Number OUTLINE AND CUT OUT DIMENSIONS E 888r wW AMO Ey 9 oro Du LSO ST LAT S O SS CUT OUT
11. BILITY AND FITNESS FOR A PARTICULAR PURPOSE Not withstanding the provisions of this WARRANTY AND LIMITATIONS Clause it is specifically understood that Products and parts not manufactured and work not performed by Chromalox are warranted only to the extent and in the manner that the same are warranted to Chromalox by Chromalox s vendors and then only to the extent that Chromalox is reasonably able to enforce such a warranty it being understood Chromalox shall have no obligation to initiate litigation unless buyer undertakes to pay all cost and expenses therefore including but not limited to attorney s fees and indemnifies Chromalox against any liability to Chromalox s vendors arising out of such litigation Upon buyer s submission of a claim as provided above and in its substantiation Chromalox shall at its option either i repair or replace its Products parts or work at the original f o b point of delivery or ii refund an equitable portion of the purchase price The foregoing is Chromalox s only obligation and buyer s exclusive remedy for breach of warranty and is buyer s exclusive remedy against Chromalox for all claims arising hereunder or relating hereto whether such claims are based on breach of contract tort including negligence and strict liability or other theories buyer s failure to submit a claim as provided above shall specifically waive all claims for damages or other relief including but not limited to claims based on latent defects
12. For RTD input 10 mQ 3 For cold junction compensation better than 0 1 C CALIBRATION PROCEDURE Calibration parameters are logically divided in groups of two parameter each initial and final scale value After each group the calibration check is provided but it is also possible to bo the check without calibrating NOTE Pushing the SMART pushbutton goes back to the previous parameter without modifying the calibration All the controllers are originally calibrated at the factory by means of calibrators with high accuracy and resolution The following is a complete list of calibration symbols Code Parameter tL TC input initial scale value 0 mV tH TC input full scale value 50 mV L TC input check rJ Cold junction compensation rJ Cold junction compensation check PL RTD input initial scale value 0 Q PH RTD input full scale value 300 00 Pe RTD input check Now to proceed 1 to start calibration V2 must be OPEN see Fig 11 2 Switch on the controller The display will show CnF 3 Push the A pushbutton the display will show CAL 4 Push the FUNC pushbutton to display the first calibration code 5 Depress FUNC pushbutton in sequence until the desired calibration code is reached RTD Calibration only If only calibrating RTDs press FUNC until the PL parameter is displayed and proceed to page 19 PL for other instructions tL TC INPUT INITIAL SCALE VALUE 1 Provide conne
13. ION GENERAL SPECIFICATIONS Case ABS grey color RAL 7043 self extinguish ing degree V 0 according to UL 94 Front protection designed and tested for IP 65 and NEMA AN for indoor locations when panel gasket is installed Test were performed in accordance with CEI 70 1 and NEMA 250 1991 STD Installation panel mounting by means of mounting braket Instrument removable from case Rear terminal block 10 screw terminals screw M3 for cables from Ah 0 25 to q 2 5 mm or from AWG 22 to AWG 14 with connection diagrams and safety rear cover Dimensions 48 x 48 mm depth 100 mm DIN 43700 Weight 160 g max Power supply 100V to 240V AC 50 60Hz 15 to 10 of the nominal value 24 V AC DC 10 of the nominal value Power consumption 6 VA max Insulation voltage 2300 V rms according to EN 61010 1 Display updating time 500 ms Sampling time 500 ms Resolution 30000 counts Accuracy 25 C 0 3 of the input span 1 C Common mode rejection 120 dB at 50 60 Hz Normal mode rejection 60 dB at 50 60 Hz Electromagnetic compatibility and safety requirements This instrument is marked CE Therefore it is conforming to council directives 89 336 EEC reference harmonized standard EN 50081 2 and EN 50082 2 and to council directives 73 23 EEC and 93 68 EEC reference harmonized standard EN 61010 1 22 Installation category II Temperature drift lt 200 ppm
14. In no event shall buyer be entitled to incidental or consequential damages and buyer should hold Chromalox harmless therefrom Any action by buyer arising hereunder or relating hereto whether based on breach of contract tort including negligence and strict liability or other theories must be commenced within three 3 years after the date of shipment or it shall be barred Returns Items returned to Chromalox Instruments and Controls must be accompanied by a Return Authorization Number This number may be obtained from Chromalox Instruments and Controls Customer Service Department Telephone Number 615 793 3900 It should appear on the exterior of the shipping carton and on the shipping documents Defective items will be repaired or replaced at our option at no charge Return the defective part or product freight prepaid to Chromalox Instruments and Controls 1382 Heil Quaker Blvd LaVergne TN 37086 3536 A 3 PROHEAT Excellence in distribution http Munar proheatinc com 117 East Adams Street P O Box 48 LaGrange KY 40031 Phone 502 222 1402 Fax 502 222 0714
15. SCRIPTION SP Set point in eng units Range from rL to rH n rS Manual reset of the alarms This parameter is available only when a latching alarm has been programmed Set ON and push the FUNC pusbutton to reset the alarms nnn Security code for parameter protection This parameter is skipped if P11 0 or 1 ON the instrument is in LOCK condition OFF the instrumentis in UNLOCK condi tion When it is desired to switch from LOCK to UNLOCK condition set a value equal to P11 parameter When it is desired to switch from UNLOCK to LOCK condition set a value different from P11 parameter AL Alarm set point in eng units This parameter is present if an alarm is configured HSA Pb HS ti td Ranges From P2 to P3 for process alarm From 0 to 500 units for band alarm IP From 199 to 500 units for deviation alarm Alarm hysteresis in of P3 P2 span This parameter is present if an alarm is C configured Range From 0 1 to 10 0 of the input span or 1 LSD Note If the hysteresis of a band alarm is larger than the alarm band the rL instrument will use an hysteresis value equal to the programmed band minus 1 digit Proportional band in of P3 P2 span rH Range from 1 0 to 99 9 of span for heating output When PB parameter is set to 0 the instrument performs an ON OFF control OLH the ti td C OLH and tOL parameters are skipped and SMART function is disabled Hysteresis fo
16. arameter is present if PB parameter is different from 0 Range from 1 minute to 100 minutes Above 100 the upper display shows InF and the OLH limit will always be enabled independently from P10 parameter value Note The OL can be modified but the new value will become operative only at the next instrument start up ERROR MESSAGES 15 OVERRANGE UNDERRANGE AND BURN OUT INDICATIONS The instrument shows the OVERRANGE and UNDERRANGE conditions with the following indications OOO Overrange Underrange The sensor leads break can be signalled as for TC input OVERRANGE or UNDERRANGE If required see Chromalox for set up for RTD input OVERRANGE Sensor leads short circuit detection On RTD input a special test is provided to signal OVERRANGE when input resistance is less than 15 ohm Short circuit sensor detection NOTE When The instrument is set for one output only and an OVERRANGE is detected the OUT 1 turns OFF if reverse action or ON if direct action The instrument is set for one output only and an UNDERRANGE is detected the OUT 1 turns ON if reverse action or OFF if direct action NOTE when an overrange or an underrange is detected the alarm operates as if a maximum or a minimum measurable value is present To eliminate the OUT OF RANGE condition proceed as follows 1 Check the input signal source and the connecting line 2 Make sure that t
17. bling disabling is NOT protected by the security code P11 2 The SMART function enabling disabling is protected by the security code P11 P16 Maximum value of the proportional band settable by the SMART function This parameter may be programmed from P17or P18 value to 99 9 P17 Minimum value of the proportional band settable by the SMART function in heating control only It may be programmed from 1 0 to P16 value P18 Not Available P19 Not Available P20 Minimum value of integral time settable by SMART function P20 is programmable from 00 1 10 seconds to 02 0 2 minutes P21 Extension of the anti reset wind up Range from 30 to 30 of the proportional band NOTE a positive value encreases the high limit of the anti reset wind up over set point while a negative value decreases the low limit of the anti reset wind up under set point The advanced configuration procedure is completed and the instrument shows CnF on the display Pressing the FUNC will return the unit to the first configuration parameter OPERATOR MODE PRELIMINARY To make the instrument operate as a controller the internal switch V2 located on the input card see Fig 9 must be closed It is assumed at this point that the instrument has been correctly configured as detailed in Section 3 The instrument shows the process value or the set point value in this case the SP LED will be flashing In order to toggle
18. ction programmed and the pa rameters can be reviewed and modified When it is desired to come back to normal control Hold the A pushbutton first and then push the FUNC pushbutton Maintaining pressure on both of them for more than 3 seconds the instrument will return in NORMAL DISPLAY MODE NOTES 1 If the output is turned OFF when the SMART function was performing the first part of the algorithm LED SMART is flashing the SMART function will be aborted and when the instrument comes back to the normal control the SMART function will be disabled If the output is turned OFF when the SMART function was performing the second part of the algorithm LED SMART is lit the SMART function will be stopped and when the instrument comes back to the normal control the smart function also will be activated 2 If the instrument is turned OFF with the output power off function enabled at the next start up the instrument will automatically enable this function again DIRECT ACCESS TO THE SET POINT MODIFICATION This feature allows the set point value to be modified without using the FUNC pushbutton When direct access to set point modification is required proceed as follows 1 Push for more than 3 seconds the A or W pushbutton the set point value will be displayed and it will start to change 2 Using the A and Y pushbuttons it is possible to set the desired value 3 When the desired value is reached do not push
19. ctions between calibrator and controller under test as shown in fig 12 2 The display will show tL F where F means OFF 2 Set calibrator to 0 000 mV 3 Push A or Y pushbutton the display will change to tL n where n means On 4 After 30 seconds start calibration by pushing the FUNC pushbutton Only the decimal point of the last significant digit will light to indicate that the controller is performing the calibration routine At the end of this calibration routine the controller will go to the next step Fig 12 2 Millivolt Generator 3 tH TC INPUT FULL SCALE VALUE 1 After tL is calibrated the 1601 will show tH F for the full scale value 1 Set the calibrator to 50 000 mV full scale value 2 Push A or Y pushbutton the display will change to tH n 3 After 30 seconds start calibration by pushing FUNC pushbutton Only the decimal point of the last significant digit will light to indicate that the controller is performing the calibration routine At the end of this calibration routine the controller will go to the next step t TC INPUT CHECK 1 The display will show t and the two most significant digits of the measurement alternately with the remaining digits as shown in the following figure Check symbol MSD in counts E an LI remaining three digits marr LIT 5 The tH calibration is correct if the indication shown is
20. e SMART function and scrolls back all the parameters without storing them A Increases the value of the selected parameter or toggles the display between the set point value and the measured value Y Decreases the value of the selected parameter Y FUNC Enables disables the LAMP TEST NOTE a 10 seconds time out becomes opera tional during parameter modification If during operator parameter modification no pushbutton is pressed for 10 seconds the instrument reverts automatically to the normal display mode The new setting of the last parameter modified is going to be memorized prior to the time out only if the FUNC pushbutton was depressed MANUAL RESET OF THE ALARMS If the alarm has been configured as a latched alarm the alarm status persists after the alarm condition disappears To reset the alarm push the FUNC pushbutton and select the n rS parameter the display will show n rS and OFF Using the A and y pushbuttons select ON and push the FUNC pushbutton again The alarm cannot be reset until the alarm condition has disappeared 11 SMART ALGORITHM The SMART feature automatically sets the best control action To enable the SMART function push the SMART pushbutton for more than 1 5 s when the instrument is in normal display mode The SMART LED will light continuously or flash according to the algorithm automatically selected When the smart function is enabled it is possible t
21. e cable involved in relay output wiring must be as far away as possible from input or communication cables VOLTAGE OUTPUTS FOR SSR DRIVE 8 QO OUT 1 n 7 Q SOLID STATE RELAY Fig 8 SSR DRIVE OUTPUT WIRING It is a time proportioning output Logic level 0 Vout lt 0 5 V DC Logic level 1 14V 20 O 20 mA 24V 20 O 1 mA Maximum current 20 mA NOTE This output is not isolated A double or reinforced Isolation between instrument output and power supply must be provided by the external solid state relay A POWER LINE WIRING de 10 POWER LINE 100 V to 240 V AC 50 60Hz or 24 V AC DC 9 R S T R S T N Fig 3 POWER LINE WIRING NOTE 1 Before connecting the instrument to the power line make sure that line voltage corresponds to the description on the identification label 2 To avoid electric shock connect powerline at the end of the wiring procedure 3 For supply connections use No 16 AWG or larger wires rated for at last 75 C 167 F 4 Use copper conductors only 5 Don t run input wires together with power cables 6 For 24 V AC DC the polarity is not important 7 The power supply input has NO fuse protection Please provide externally aT type 1A 250 V fuse 8 The safety requirements for Permanently Con nected Equipment are aswitch orcircuit breaker shall be included in the building installation Itshall be
22. excessive and or not balanced line resistance or possible leakage currents TC INPUT 4 3 N Shield Fig 4 THERMOCOUPLE INPUT WIRING NOTE 1 Don t run input wires together with power cables 2 For TC wiring use proper compensating cable for example J TC extension wire for J TC preferable shielded 3 when a shielded cable is used it should be connected at one point only RTD INPUT RTD RTD A Fhe bal Fig 5 RTD INPUT WIRING a gt gt ATA NOTE 1 Don t run input wires together with power cables 2 Pay attention to the line resistance a high line resistance may cause measurement errors 3 When shielded cable is used it should be grounded at one side only to avoid ground loop currents 4 The resistance of the 3 wires must be the same Use the same gauge wire for all three conductors B RELAY OUTPUTS NC L C OUT 1 7 l No 8 OUT 2 R c j NO 4 Fig 6 RELAY OUTPUT WIRING The OUT 1 NO contact and the OUT 2 contact are protected by varistor against inductive load with inductive component up to 0 5 A The contact rating of the OUT 1 is 3A 250V AC on resistive load The contact rating of the OUT 2 is 1A 250V AC on resistive load The number of operations is 1 x 10 at specified rating
23. guration procedure FUNC Must be pressed to store the new value of a selected parameter and incre ments to the next parameter SMART in configuration mode scrolls parameters back in reverse order without storing the new parameter value A increases the value of the selected parameter decreases the value of the selected parameter CONFIGURATION PARAMETERS P1 Input type and standard range 0 TCtype L range 0 800 C 1 TCtype J range 0 800 C 2 TCtype K range 0 999 C 3 TCtype N range 0 999 C 4 RTDtype Pt100 range 199 500 C 5 RTD type Pt100 range 19 9 99 9 C 6 TCtype T range 0 400 C 8 TCtype L range 0 999 F 9 TCtype J range 0 999 F 10 TCtype K range 0 999 F 11 TCtype N range 0 999 F 12 RTD type Pt100 range 199 999 F 13 TCtype T range 0 752 F NOTE setting a readout with F as engineering unit it is necessary to put on the front of the instrument the additional label located in the INDEX of this manual P2 Initial scale value Not present when P1 5 Insert the initial and full scale values which are going to be used by the PID algorithm to calculate the input span P3 Full scale value Not present when P1 5 Insert the initial and full scale values which are going to be used by the PID algorithm to calculate the input span NOTES 1 the minimum input span P3 P2 is 300 C or 600 F for TC input and 100 C or 200 F for RTD input 2
24. hanges Push and hold W and A pushbuttons simultaneously and load all the default parameters This will not change the configura tion parameters Auto zero error RJ error Error during calibration procedure CALIBRATION Flg 11 Dip switch location To start calibration V2 must be OPEN GENERAL GUIDELINES FOR CALIBRATION NOTE All 1601 are calibrated at the manufacturing plan It is not necessary to calibrate the 1601 on receipt For an good calibration it is necessary to proceed as follows 1 The controller under calibration should be mounted in its case in order to keep the internal temperature stable 2 The ambient temperature should be stable Avoid any drift due to air conditioning etc 3 The relative humidity should not exceed 70 4 Minimum warm up time must be 20 minutes 5 If possible operate in a noise free environ ment 6 During calibration connect one input at a time to the rear terminal block WORNING Do not attempt calibration without the recommended simulator or calibrator For this calibration procedure it is necessary to use calibrators with the following accuracy and resolution ACCURACY 1 For TC input 0 005 output 0 001 range 5 UV 2 For RTD input 0 02 0 0025 Q decade 3 For cold junction compensation better than 0 1 C RESOLUTION 1 For TC input 1 uV 2
25. he input signal is in accordance with instrument configuration Otherwise modify the input configuration P1 see chapter 3 2 301 3 If no error is detected send back the 305 instrument to your supplier for a check 307 400 ERRORS Diagnostics are run at instrument power up and during normal mode of operation If a fault condition error is detected the display will alternately show Er and the error number The following is a list of possible errors in numerical order Also causes instrument output conditions and possible remedies are briefly described 500 Some errors reset the instrument if the error 502 persist send back the instrument to your supplier 510 ERROR LIST 100 Write EEPROM error 150 General hardware error on the CPU card 200 Protect register memory error The controller performs this check every 2 seconds Set the switch V2 in open condition Switch on the controller Set the switch V2 in closed condition and power the controller 201 219 Configuration parameter error 2xx where xx is the Configuration code The two less significant digit s show the number of the wrong configura tion parameter Return to the configuration procedure and check the values RTD calibration error Thermocouple input calibration error RJ input calibration error One or more control parameters are out of range with respect to the allowed values It may appear at controller power up after configuration c
26. he instrument from case 3 Using a vacuum cleaner or a compressed air jet max 3 kg cm remove all deposit of dust and dirt which may be present on the louvers and on the internal circuits trying to be careful for not damage the electronic components 4 To clean external plastic or rubber parts use only a cloth moistened with Ethyl Alcohol pure or denatured C H OH or lsopropil Alcohol pure or denatured CH CHOH or Water H O 5 Verify that there are no loose terminals 6 Before re inserting the instrument in its case be sure that it is perfectly dry 7 re insert the instrument and turn it ON DEFAULT PARAMETERS DEFAULT OPERATOR PARAMETERS The control parameters can be loaded with predetermined default values These data are the typical values loaded in the instrument prior to shipment from factory To load the default values proceed as follows a The internal switch should be closed b The SMART function should be disabled c The safety lock must be OFF d The display will show the process variable e Hold down Y pushbutton and press A pushbutton the display will show d O F f Within 10 seconds press A or Y pushbutton The display will show d O n g Press FUNC pushbutton the display will show L dt This means that the loading procedure has been initiated After about 3 seconds the loading procedure is terminated and the instrument reverts t
27. in close proximity to the equipment and within easy reach of the operator it shall be marked as the disconnecting device for the equipment NOTE a single switch or circuit breaker can drive more than one instrument GENERAL OPERATION Theree are two setup modes for the 1601 Configuration mode Operator mode In general the configuration mode is the initial setup of the controller when first installed Input type and alarm setup are examples of Configura tion mode setting The operator mode includes settings that might be adjusted frequently with daily control operations such as set points and PID parameters CONFIGURATION MODE PRELIMINARY HARDWARE SETTINGS FOR CONFIGURATION 1 Remove the instrument from its case 2 Set the internal switch V2 in open condition 3 If during configuration procedure a C range has been selected it is necessary to put the C label on the front of the instrument covering the F indication The sticker is located with the gasket in the shipping box 4 Re insert the instrument 6 Power the instrument ON The display will show CnF NOTE If CAL indication is displayed press immediately the A pushbutton to return to the configuration procedure 7 Push the FUNC pushbutton The parameter code and its value are shown alternately on the display Puscbutton functionality during confi
28. light to indicate that the controller is performing the calibration routine At the end of this calibration routine the controller will go to the next calibration step rJ COLD JUNCTION COMPENSATION CHECK The rJ code and the temperature in tenths of C measured by the CJ compensator are shown alternately on the display 1 Make sure that the cold junction temperature measured by the controller is equal to the value measured by the measuring device 2 Push FUNC pushbutton the instrument will go to the next calibration parameter TC Calibration only Thermocouple calibration is now complete if RTD calibration is not needed press FUNC until CAL is displayed see step 5 at page 21 RTD INPUT CALIBRATION PL RTD INPUT INITIAL SCALE VALUE The display will show PL F where F means OFF 1 Connect a resistor box as shown in fig 14 3 2 OOOO 1 Resistor Box Fig 14 2 Set 0 00 Q on the resistor box 3 Push A or Y pushbutton the display will change to PL ni where n means On 4 After 30 seconds start the calibration by pushing the FUNC pushbutton Only the decimal point of the last significant digit will light to indicate that the controller is performing the calibration routine At the end of this calibration routine the controller will go to the next parameter PH RTD INPUT FULL SCALE VALUE The display will show PH F where F means OFF
29. o NORMAL DISPLAY mode The following is a list of the default operative parameters loaded during the above procedure PARAMETER DEFAULT VALUE SP minimum range value nnn OFF AL minimumrange value for process alarms 0 for deviation or band alarms HSA 0 1 PB 40 HS 0 5 ti 04 0 4 minutes td 1 00 1 minute IP 30 for one control output 0 for two control outputs C 20 seconds for relay output 2 seconds for SSR output rL initial scale value rH full scale value OLH 100 tOL infinite DEFAULT CONFIGURATION PARAMETERS The configuration parameters can be loaded with predetermined default values These data are the typical values loaded in the instrument prior to shipment from factory To load the default values proceed as follows a The internal switch V2 see fig 9 should be open b The display will show CnF c Push the Y pushbutton the display will show the firmware version A 01 d Mantaining the pressure on the W pushbutton push the A pushbutton also The instrument will show d F F e Press A pushbutton to select between table 1 european or table 2 american default parameter set The display will show t b 1 f Press FUNC pushbutton the display will show L dt This means that the loading procedure has been initiated After about 3 seconds the loading procedure is terminated and the instrument re
30. o display but not to modify the control parameters PB TI TD and rC When the traditional control PID is desired push the SMART pushbutton again for more than 1 5 s to turn the SMART OFF The instrument maintains the SMART set of control parameters but allows parameter modification NOTES 1 The SMART function uses a derivative time equal to 1 4 of the integral time 2 The limits of the proportional band set by the SMART function are programmed by P16 P17 and P18 parameters 3 The lower limit of the integral time set by SMART function is programmed by P20 parameter 4 When ON OFF control is programmed PB 0 the SMART function is disabled 5 The SMART enabling disabling can be protected by the security code see P15 parameter OUTPUT POWER OFF The Output Power OFF feature turns off the control and alarm output allowing modification of parameters without affecting the process With the output off the 1601 can be used as an indicator To turn OFF the output signal hold the A pushbutton first and then push FUNC pushbutton After maintaining pressure on both of them for more than 3 seconds the instrument will show OFF instead of the set point value Since the 1601 has only one display it is possible to toggle from OFF to measured value by depressing the A pushbutton In the output power off condition the alarms are in no alarm condition the alarm output status depends on the type of alarm a
31. r ON OFF control action in tOL of P3 P2 span This parameter is available only when Pb 0 Range from 0 1 to 10 0 of the input span Integral time in minutes and seconds mm ss This parameter is skipped if Pb 0 ON OFF action Range from 00 1 to 20 0 mm ss Above this value the display blanks and integral action is excluded Derivative time in minutes and seconds mm ss This parameter is skipped if Pb 0 ON OFF action Range from 1 sto 9 min and 59 s if O is set the derivative action is excluded Integral pre load This parameter is skipped when PB 0 Range from O to 100 for one control output Output 1 heating cycle time in seconds This parameter is present if PB parameter is different from O only Range From 1 to 200 s Set point low limit in eng units Range from min range value P2 to rH Note When P2 has been modified rL will be realigned to it Set point high limit in eng units Range from rL to full scale value P3 Note When P3 has been modified rH will be realigned to it Output high limit in of the output This parameter is present if PB parameter is different from O only Range from 0 0 to 100 0 Time duration of the output power limiter The tOL is a programmable time in which the output level is limited to OLH value This timer starts at instrument power up if the measured variable is less than the threshold value programmed P10 parameter This p
32. stance is less than 15 Q Calibration according to DIN 43760 STANDARD RANGES TABLE RTD TYPE Measuring range RTD Pt 100 199 500 C 199 999 F RTD Pt 100 19 9 99 9 C eee CONTROL ACTIONS Control actions PID SMART Proportional band from 1 0 for heating action or 1 5 for heating and cooling action to 99 9 of the input span Setting Pb 0 an ON OFF control is performed Hysteresis for ON OFF control action from 0 1 to 10 0 of the input span Integral time from 10 seconds to 20 minutes resolution 10 second Setting a value upper than 20 minutes the integral action will be excluded Derivative time from 0 to 9 minutes and 59 seconds Integral preload from 0 to 100 for one control output Heating cycle time from 1 to 200 s NOTE the PB TI and TD parameters may be limited when the SMART function is enabled CONTROL OUTPUTS OUTPUT 1 heating a Relay output with SPDT contact contact rating 3A 250 V ac on resistive load b Logic voltage for SSR drive Logic status 1 24 V 20 1 mA 14 V 20 O 20 mA Logic status 0 lt 0 5 V Output action direct reverse programmable OUTPUT 2 alarm 1 a Relay output with SPST contact contact rating 1A 250 V ac on resistive load By internal jumper it is possible to select the NC or NO contact MAINTENANCE 1 REMOVE POWER FROM THE POWER SUPPLY TERMINALS AND FROM RELAY OUTPUT TERMINALS 2 Remove t
33. the indication push the A pushbutton this display condition is defined as normal display mode Pressing the FUNC pushbutton it is possible to scroll all the operator parameters Instrument display alternates between parameter code and its value During modification only the parameter value will be displayed To modify a parameter first select the desired parameter by the FUNC pushbutton then set the new value by A or Y pushbuttons Press FUNC pushbutton to store the new value and step to the next parameter NOTE 1 If during parameter modification no pushbutton is pressed for more than 10 seconds the instrument reverts automatically to the normal display mode and the new setting of the last parameter will be lost 2 The instrument doesn t display all the parameters It selects the parameters in accordance with a The instrument configuration in general see chapter 3 b The P14 parameter in particular see chapter 3 c The proportional band value see page 4 2 INDICATORS SMART Flashing when the first part of the SMART algorithm is active Lit when the second part of the SMART algorithm is active OUT Lit when the OUT 1 is in ON condition ALM Lit when the alarm 1 is in the alarm state SP Flashing when the display shows the control set point Pushbutton functions FUNC Stores the new value of the selected parameter and goes to the next parameter SMART Enables or disables th
34. verts to the CnF parameter The following is a list of the default parameters loaded during the above procedure PARAMETER TABLE 1 TABLE 2 Pi 1 9 P2 0 C O F P3 400 C 999 F P4 r r P5 0 0 P6 H H P7 r r P8 OFF OFF P9 0 0 P10 0 0 P11 0 0 P12 10 10 P13 2 2 P14 ON ON P15 2 2 P16 30 0 30 0 P17 1 0 1 0 P18 P19 P20 00 3 00 3 P21 10 10 Warranty And Limitation Of Remedy And Reliability Chromalox warrants only that the Products and parts manufactured by Chromalox when shipped and the work performed by Chromalox when performed will meet all applicable specification and other specific product and work requirements including those of performance if any and will be free from defects in material and workmanship under normal conditions of use All claims for defective or non conform both hereinafter called defective Products parts or work under this warranty must be made in writing immediately upon discovery and in any event within three 3 years from delivery provided however all claims for defective Products and parts must be made writing no later than three 3 years after shipment by Chromalox Defective and nonconforming items must be held by Chromalox s inspections and returned to the original f o b point upon request THE FOREGOING IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES WHATSOEVER EXPRESS IMPLIED AND STATU TORY INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANT A
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