User`s Manual
Contents
1. 81 422 52 7179 Facsimile 81 422 52 6619 5 2 DIN Rail Mounting Locate the VJRK so that the DIN rail fits into the upper part of the DIN rail groove at the rear of the socket and fasten the socket using the slide lock at the lower part of the socket Fit into here DIN rail DIN rail Le DIN rail Slide lock Fig 5 2 5 3 Using a Duct Wiring duct should be installed at least 30 mm away from the top and bottom faces of the main unit 6 INSTALLATION LOCATIONS e Avoid the following environments for installation locations Areas with vibrations corrosive gases dust water oil solvents direct sunlight radiation a strong electric field and or a strong magnetic field e If there is any risk of a surge being induced into the power line and or signal lines due to lightning or other factors a dedicated lightning arrester should be used as protection for both the product and a field installed de vice 7 EXTERNAL WIRING WARNING To avoid the risk of an electric shock turn off the power supply and use a tester or similar device to ensure that no power is supplied to a cable to be connected before carring out wiring work Wiring should be connected to the terminals on the socket of the VJRK The terminals for external connections are of M3 screws Use crimp on lugs for connections to the terminals e It is recommended that signal wires have a nominal cross sectional area2. attention to essential information for under 5 1 Wall Mountin standing the operations and or functions of the i g product Loosen the main unit fixing screw to disconnect the main unit from the socket Next anchor the socket onto the wall with screws Then plug the main unit into the socket and se 2 CHECKING THE PRODUCT SPECIFICATIONS cure the main unit with the main unit fixing screw AND THE CONTENTS OF THE PACKAGE ce E unit fixing screw 1 Model and Specifications Check Check that the model and specifications indicated on the nameplate attached to the side face of the main unit are as Main unit ordered 2 Contents of the Package Main N Check that the package contains the following items unit fixing g Mounti e VJRK 1 p g g screw Saens Users manual this manual IM 77J01R21 01E 1 Accessories Tag number label 1 sheet Range label 1 sheet lt Mounting Dimensions gt Unit mm 3 GENERAL This plug in type Limit Alarm for RTD input receives RTD sig F AE nal e Each parameter setting can be changed using a PC VJ77 PC based Parameters Setting Tool or the Handy Terminal JHT200 29 5 or more 2 M4 or 2 04 5 or more Keep this manual in a safe place YOKOG AWA Yokogawa Electric Corporation fica N ronet OI J Network Solutions Business Divisiion st Edition Aug YK i ij 2 9 32 Naka cho Musashino shi Tokyo 180 8750 Japan Yokogawa Electric Corporation Phone
3. key enters IMPORTANT Do not change the settings of the items marked 1 in the List of Parameters above after the delivery of the prod uct Doing so may result in a malfunction or a system failure IM 77J01R21 01E 1st Edition 2006 08 15 00 12 MAINTENANCE The product enters the operable status as soon as the power is turned on but requires 10 to 15 minutes of warm up to meet the performance requirements 12 1 Calibration Apparatus Calibrator Yokogawa Meters amp Instruments CA71 or equivalent 1 Setting tool for adjustment Refer to 8 2 Connecting the Setting Tools in this manual 12 2 Calibration Procedure 1 Connect the instruments as shown in Fig 12 1 and Fig 8 2 2 Produce the input signal equivalent to 0 of the input range from the calibrator to the product Then read the input value of Display items A01 INPUT1 using the VJ77 or JHT200 and check that the input value is within the rated accuracy range Take the same procedure for the input signal equivalent to 25 50 75 and 100 of the input range and check that the input values are within the rated accuracy range For alarm output check the relay action by the alarm in dicator lamp or resistance of output terminals If the input values are out of the rated accuracy range adjust the input signal level referring to the user s manual for VJ77 PC based Parameters Setting Tool IM 77J01J77 01E or for JHT200 H
4. C with the Comes with VJ77 VJ77 installed Fig 8 2 Connecting the Setting Tools Note The modular jack conversion adapter does not come with the JHT200 Handy Terminal It is sold separately 9 SETTING PARAMETERS Set the parameters using a PC VJ77 PC based Parameters Setting Tool or the Handy Terminal JHT200 Refer to the list of parameters in this manual and the user s manual for VJ77 PC based Parameters Setting Tool IM 77J01J77 01E or JHT200 Handy Terminal IM JF81 02E 9 1 Settings Related to Input 9 1 1 Input Type and Temperature Unit Select the RTD type to use from among Pt100 90 Pt100 68 JPt100 and Pt50 in DO9 RTD TYPE Pt100 90 ITS 90 R 100 Q R R 1 3851 Pt100 68 IPTS 68 R 100 Q R R 1 3850 JPt100 JIS 89 R 100 Q R R 1 3916 Pt50 JIS 81 Select the temperature unit to use in D15 UNIT 9 1 2 Input Hard Range Select the input hard range from among AUTO HIGH and MIDDLE in D17 SELECT RANGE AUTO Sets the most appropriate input hard range auto matically with respect to the input range to be set HIGH For a span of 130 Q or more in an input range of 0 to 520 Q based on the reference resistane table MIDDLE For a span of 38 5 Q or more in an input range of 0 to 176 Q based on the reference resistane table N NOTE The conditions for the input hard range HIGH and MIDDLE are specified for operations within the range of accuracy rating The input range m
5. N delay is set to 1 second alarm output is generated if alarm status continues for 1 sec ond or more after the input value exceeds the alarm setpoint Further when an alarm OFF delay is set to 2 sec onds alarm output is released if normal condition continues for 2 seconds or more after the input value has returned to normal from the alarm status 9 2 5 Direction of Relay Action Select the direction of relay energizing in alarm 1 normal condition and alarm 2 normal condition from among NRM DE ENERGIZED de energized under normal condition and NRM ENERGIZED energized under normal condition in E15 RL1 ACTION and E16 RL2 ACTION and set them 10 DESCRIPTION OF ALARM ACTIONS This chapter describes examples of alarm actions under the following conditions Alarm 1 Alarm 2 Parameter Item Parameter Setpoint Setpoint Direction of alarm action E05 ALM1 ACTION High limit alarm E06 ALM2 ACTION Low limit alarm Alarm setting E01 SET POINT1 80 E02 SET POINT2 15 Hysteresis E07 HYSTERESIS1 10 E08 HYSTERESIS2 5 Alarm ON delay E11 ON DELAY1 1 sec E12 ON DELAY2 3 sec 4 sec E14 OFF DELAY2 The alarm is output if the condition where the input value is 15 or less of low limit alarm continues for 3 seconds or more After the alarm is output when the condition where the input value is more than 20 of the low limit alarm con
6. UT1 L_RANGE E13 jarm 2 ON delay setting jarm 1 OFF delay setting ON DELAY2 OFF DELAY1 D23 Input high range INPUT1 H_RANGE E14 A A Di Di A Alarm 2 hysteresis A A A A jarm 2 OFF delay setting OFF DELAY2 D30 Burnout BURN OUT E15 Direction of alarm 1 relay action RL1 ACTION D38 Direction of output 1 action OUT1 DR E16 Direction of alarm 2 relay action RL2 ACTION D60 Self check result SELF CHK E60 Self check result SELF CHK Adjusting items 3 Test items 3 P Adjustment ADJUST1 Q Test TEST Poi Wiring resistance correction WIRING R Q02 Forced output 1 OUT1 TEST P02 Zero adjustment of input 1 ZERO ADJ1 Q04 Forced output alarm 1 ALM1 TEST P03 Span adjustment of input 1 SPAN ADJ1 Q05 Forced output alarm 2 ALM2 TEST P12 0 adjustment of output 1 OUT1 0 Q60 Self check result SELF CHK P13 100 adjustment of output 1 OUT1 100 P60 1 Self check result SELF CHK The indications and settings of the parameters are not available 2 The status is displayed for service personnel to see history records 3 To call the parameter setting items D E P and Q using the JHT200 Handy Terminal execute the following operation Press F1 gt ENTER above keys l D E P or Q
7. User s Model VJRK JUXTA Manual Limit Alarm RTD Input Type IM 77J01R21 01E eeSeEeEeeEeEeEEeeee 1 CAUTIONARY NOTES FOR SAFE 4 MODEL AND SUFFIX CODES USE OF THE PRODUCT This user s manual should be carefully read before installing Model MISO TOO and operating the product The following symbol is used on oce the product and in this manual to eusure safe use Number of outputs i 2 2 outputs Power supply This symbol is displayed on the product when it is 6 100 240 V AC DC Operating range 85 to 264 V necessary to refer to the user s manual for infor 7 15 30 V DC Operating range 12 to 36 V mation on personnel and instrument safety This symbol is displayed in the user s manual to indi Input signal cate precautions for avoiding danger to the opera 1 Pt100 ITS 90 tor such as an electric shock 2 JPt100 JIS 89 3 Pt50 JIS 81 The following symbols are used only in this manual 4 Pt100 IPTS 68 A IMPORTANT Output signal T Alarm output 2 points of relay contacts Indicates that operating the hardware or software in a particular manner may cause damage or result Optional specification in a system failure Blank With socket SN Without socket N NOTE 5 MOUNTING METHODS Draws
8. andy Terminal IM JF81 02E Input Calibrator ji 2 IN n Nester F KEN Alarm 2 output j 00 OO Power supply O GND Fig 12 1 IM 77J01R21 01E 1st Edition 2006 08 15 00
9. ay be set to a range not meeting these conditions but take note of accuracy limitations Similar accuracy limitations exist even when AUTO is selected For more information on acuracy limitations see the general specifications of VJRK GS 77J01R21 01E 9 1 3 Input Range Set the 0 value of input range in D22 INPUT1 L_RANGE and the 100 value of input range in D23 INPUT1 H_RANGE numerically within the specified range 9 1 4 Burnout Select the direction of burnout action from among UP DOWN and OFF in D30 BURN OUT 9 1 5 Wiring Resistance Correction When an error occurs due to the influence of the input wiring resistance the wiring resistance can be corrected automati cally Apply a stable input as shown below and select EX ECUTE in P01 WIRING R The correction is also required when the direction of burnout action is changed from UP DOWN to DOWN UP or the wiring for input is changed VJ77 or JHT200 Short circuit at the cable end 9 2 Settings Related to Alarm Output 9 2 1 Alarm Setpoint Set the alarm setpoints of alarm 1 and alarm 2 in E01 SET POINT1 and E02 SET POINT2 numerically Setting range 0 to 100 of input range Setting resolution 0 1 C 9 2 2 Direction of Alarm Action Select the direction of alarm 1 action and that of alarm 2 ac tion from among HIGH ALM high limit alarm and LOW ALM low limit alarm in E05 ALM1 ACTION and E06 ALM2 AC TION To activate alar
10. l i l Elapsed time 1 sec Alarm 1 action Normal Alarm Normal Alarm 2 action Normal E A Normal IM 77J01R21 01E 1st Edition 2006 08 15 00 11 LIST OF PARAMETERS 01 Model Display MODEL 02 Tag No TAG NO 03 Self check result SELF CHK Display Display items A Display 1 DISPLAY1 Display 2 DISPLAY2 A01 Input value INPUT1 Input value INPUT1 A05 Output value 1 OUTPUT1 Output value 1 OUTPUT1 A07 Alarm 1 status ALM1 STATUS Alarm 1 status ALM1 STATUS A08 Alarm 2 status ALM2 STATUS Alarm 2 status ALM2 STATUS A54 A56 Status Rev No STATUS REV NO A58 Menu Rev MENU REV A60 Self check result SELF CHK Self check result SELF CHK Setting items 3 D Setting I O SET VO Setting alarm output SET ALM D01 Tag no 1 TAG NO 1 arm 1 setting SET POINT1 D02 Tag no 2 TAG NO 2 arm 2 setting SET POINT2 D03 Comment 1 COMMENT1 irection of alarm 1 action ALM1 ACTION D04 Comment 2 COMMENT2 irection of alarm 2 action ALM2 ACTION D07 Input sensor type SENSOR TYPE 1 larm 1 hysteresis HYSTERESIS1 Dog RTD type RTD TYPE HYSTERESIS2 D15 Unit UNIT jarm 1 ON delay setting ON DELAY1 D17 D22 Input hard range selection Input low range SELECT RANGE INP
11. m status when input signal alarm setpoint select HIGH ALM To activate alarm status when input signal alarm setpoint select LOW ALM 9 2 3 Hysteresis Set the alarm 1 and alarm 2 hysteresis in E07 HYSTER ESIS1 and E08 HYSTERESIS2 Hysteresis is a value added to the alarm setpoint in order for an alarm status to be released to normal after the alarm status has been acti vated The alarm status will be released in the following con ditions depending on the direction of alarm action When HIGH ALM high limit alarm is set Alarm is re leased when input signal lt alarm setpoint hysteresis When LOW ALM low limit alarm is set Alarm is re leased when input signal gt alarm setpoint hysteresis Setting range 0 to 100 of input range Setting resolution 0 1 C IM 77J01R21 01E 1st Edition 2006 08 15 00 9 2 4 Alarm ON Delay and Alarm OFF Delay Set the alarm 1 and alarm 2 ON delays in E11 ON DELAY1 and E12 ON DELAY2 and then alarm 1 and alarm 2 OFF delays in E13 OFF DELAY1 and E14 OFF DELAY2 An alarm ON delay is the condition monitoring time from the establishment of alarm conditions to its output an alarm OFF delay is the condition monitoring time from the establishment of return to normal conditions to its output Setting range 0 to 999 seconds Setting resolution 1 second However about 0 2 second is to be added to the set time to prevent wrong operation For example when an alarm O
12. nd input output signal lines should be installed away from noise generating sources Otherwise accuracy cannot be guaranteed The grounding resistance must be 100 Q JIS Class D grounding The length and thickness of the grounding cable should be as short and thick as possible Directly connect the lead from the ground terminal terminal no 8 of the product to the ground Do not carry out daisy chained inter ground terminal wiring 8 DESCRIPTION OF FRONT PANEL AND CONNECTION OF SETTING TOOLS 8 1 Front Panel The communications connector on the front panel is used for setting up parameters using a PC VJ77 PC based Param eters Setting Tool or the Handy Terminal JHT200 The alarm indicator lamps for alarm 1 and alarm 2 light up if an alarm occurs Communication connector Alarm indicator lamp for alarm 1 Alarm indicator lamp for alarm 2 Fig 8 1 Front Panel IM 77J01R21 01E 1st Edition 2006 08 15 00 8 2 Connecting the Setting Tools Connect the modular jack conversion adapter E9786WH to the JUXTA communication cable with 5 pin connector F9182EE and then connect this adapter to the communica tion connector of JUXTA JUXTA communication cable with 5 pin connector F9182EE JHT200 Comes with VJ77 and JHT200 Handy Terminal Modular jack conversion adapter E9786WH Comes with VJ77 Dedicated adapter E9789HA Comes with VJ77 Dedicated cable E9786Wk P
13. of 0 5 mm or thicker while the power cable has a nominal cross sectional area of 1 25 mm or thicker Input signal ANINA Alarm 2 output A ALM2 NO A OCE No B COM il OQ B Sea Ss Power supply Alarm 1 output L ALM1 NO l F NO N COM GND IMPORTANT Use of the product ignoring the specifications may cause overheating or damage Before turning on the power ensure the following a Power supply voltage and input signal value applied to the product should meet the required specifications b The external wiring to the terminals and wiring to ground are as specifications Do not operate the product in the presence of flammable or explosive gases or vapors To do so is highly dangerous The product is sensitive to static electricity exercise care in operating it Before you operate the product touch a nearby metal part to discharge static electricity If an inductance L load such as auxiliary relays or solenoid valves is used always insert a spark killer for diminishing sparks such as a CR filter or a diode in parallel with the inductance load Otherwise a malfunction or relay failure may occur Refer to the following guidelines for a capacitor and resistor Capacitor 0 5 to 1 uF with respect to a contact current of 1A Resistor 0 5 to 1 Q with respect to a contact voltage of 1 V The power line a
14. tinues for 4 seconds or more the status returns to normal E13 OFF DELAY1 2 sec The alarm is output if the condition where the input value is 80 or more of high limit alarm continues for 1 second or more After the alarm is output when the condition where the input value is less than 70 of high limit alarm continues for 2 seconds or more the status returns to normal Alarm OFF delay Description of alarm actions 1 Alarm status does not continue for more than 1 second after the gt Zz 2 2 8 Q g 3 3 z 8 8 F lg g alarm conditions are established at alarm 1 S S 5 2 2 5 2 Normal status does not continue for more than 2 seconds after the a a 713 IZ normal conditions are established at alarm 1 E k 5 2 B 5 3 Alarm status does not continue for more than 3 seconds after the F ol amp l alarm conditions are established at alarm 2 g 5 100 g n 2 Z 2 z a 4 Normal status does not continue for more than 4 seconds after the normal conditions are established at alarm 2 80 Alarm 1 setpoint 80 Alarm 1 hysteresis 10 m 60 4s a BE e 2 2 BE S gt gt z3 s3 3 3 33 S33 D gt gt Bo Bo Vig a o2 N 3 3 as 3S Q 2 38 28 9 28 2a 42 3 a5 as aul 2 5 gs 2 g 40 2 Q z a2 Z S a om f 7 7 2 oy 3 sec 4 sec lt amp i 20 45 Alarm 2 hysteresis 5 Alarm 2 setpoint 15 o L
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