User`s Manual
Contents
1. a AY IMPORTANT The power line and input output signal lines should be installed away from noise generating sources Other wise accuracy cannot be guaranteed The grounding resistance must be 100 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 9 of the product to the ground Do not carry out daisy chained inter ground terminal wiring 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 IM 77J04X12 01E 1st Edition Aug 31 2005 00 Power Supply and Isolation Power supply rated voltage 15 40 V DC or 100 240 V AC 50 60 Hz Power supply input voltage 15 40 V DC 420 or 100 240 V AC 15 10 50 60 Hz Power consumption 24 V DC 2 3 W 100 V AC 4 6 VA 200 V AC 6 4 VA Insulation resistance 100 MQ or more at 5002. value of input range in D28 INPUT1 H_RNG AN NOTE Changing the input range resets the input adjusted value E Setting Output Range Set the 0 value of output range in D38 OUT1 L_RNG and the 100 value of output range in D39 OUT1 H_RNG AN NOTE Changing the output range resets the output adjusted value IM 77J04X12 01E 1st Edition Aug 31 2005 00 6 COMPUTING FUNCTIONS 6 1 MXD A Free Program This computing unit is used to meet individual applications by pro gramming the available commands using a PC VJ77 Parameters Setting Tool or the JHT200 Handy Terminal Set the computing pro gram in G01 to G59 6 2 MXD L Analog Memory This computing unit carries out the analog output Y of the value that corresponds to the analog input X as an ordinary computing unit as long as the contact input DI is ON SHORT When the contact input is OFF OPEN the unit holds the analog out put at that time Y all the time 6 3 MXD M Peak Holder This computing unit carries out the analog output Y of the value that corresponds to the analog input X as an ordinary computing unit as long as the contact input DI is ON SHORT When the contact input is OFF OPEN the unit outputs the analog signal Y that corresponds to the peak value of subsequent analog in put X 6 4 MXD N Bottom Holder This computing unit carries out the analog output Y of the value that corresponds to the analog input X as an ordina
3. R is used for current output Use the setting tool VJ77 Parameters Setting Tool or JHT200 Handy Terminal or the switches on the front panel selection switch and adjustment switch to adjust the input output signals Input Adjustment Procedure 1 Input the value equivalent to 0 value of input range 2 Call the display item A DISPLAY1 to check the input value in A01 INPUT1 3 If the adjustment is necessary call the adjustment item P AD JUST 4 Select P08 IN1 ZERO ADJ to enter the adjustment mode Select EXECUTE adjustment for adjustment If RESET is selected the adjusted value is reset to the factory set default 5 Input the value equivalent to 100 value of input range 6 Call the display item A DISPLAY1 to check the input value in A01 INPUT1 7 If the adjustment is necessary call the adjustment item P AD JUST 8 Select P09 IN1 SPAN ADJ to enter the adjustment mode Select EXECUTE adjustment for adjustment If RESET is selected the adjusted value is reset to the factory set default Output Adjustment Procedure 1 When adjusting 0 value of output call the adjustment item P ADJUST to select P26 OUT1ZERO ADu 2 If there is a positive deviation correct it by setting a negative value to offset the deviation If there is a negative deviation cor rect it by setting a positive value The 100 value of output can be adjusted by the same operation as the above For adjustment
4. following items MXD 1 Range label 1 Spacer 1 Receiving resistor for current input 1 User s Manual this manual IM 77J04X12 01E 1 When the optional specification R250 is specified the 250 Q receiving resistor is attached When the optional specification R250 is not specified the 100 Q receiving resistor is attached GENERAL This plug in type universal computing unit receives DC current or DC voltage signals applies various computing functions to them and then converts them into isolated DC current or DC voltage signals Yokogawa Electric Corporation Network Solutions Business Division 2 9 32 Naka cho Musashino shi Tokyo 180 8750 Japan Phone 81 422 52 7179 Facsimile 81 422 52 6793 MODEL AND SUFFIX CODES MXD LILILIN O B H Model Function Free program Analog memory Peak holder Bottom holder Program setter Note 1 Integrated pulse output OUZZT gt Input signal A 0 to 50 mA DC Span is 1 mAor more B 0 to 10 mA DC Span is 0 1 mA or more 10to 10VDC_ Span is 0 1 V or more 2to 2V DC Span is 10 mV or more No analog input Note 1 ZN gt Output signal A 0 to 20 mA DC Span is 2 mA or more B 0 to 5 mA DC Span is 1 mA or more 1 Oto 10 VDC Span is 0 1 V or more 2 0to100 mV DC Span is 10 mV or more 3 10 to 10 VDC Span is 0 2 V or more 4 100 to 100 mV DC Span is 20 mV or more Power supply 1 15 40 V DC Operating range 12 to 48 V DC 2 10
5. the positions other than 0 4 2 Connector for Communication Use the connector for communication when setting the parameters us ing a PC VJ77 Parameters Setting Tool or the Handy Terminal lt How to connect with the setting tool gt JUXTA communication cable with 5 pin connector F9182EE Provided with VJ77 and JHT200 JHT200 2 Handy Terminal Modular jack conversion adapter E9786WH Provided with VJ77 Dedicated adapter E9789HA Provided with VJ77 Dedicated cable E9786Wk Provided with VJ77 PC which is installed WEG Veet Use the VJ77 of version R1 04 or later 4 3 Selection Switch and Adjustment Switch The following adjustments can be performed using the switches on the front panel selection switch and adjustment switch without the dedi cated setting tool refer to 4 2 Connector for Communication The adjusted value is saved about 1 second after operating the adjust ment switch Also when the rotation direction of the adjustment switch is changed the adjusted value becomes effective about 1 second after the change Position of selection switch ltem to be adjusted No function Output zero adjustment Output span adjustment No function No function No function 7 Forced contact output ON OFF Rotation direction of adjustment switch Adjustment operation Increase of output adjusted value Forced contact output O Decrease of output adjusted val
6. 0 240 V AC Operating range 85 to 264 V AC Optional specification R250 With 250 Q receiving resistor Note 1 The input signal suffix code N is fixed when the program setter is selected However the analog input is adjusted and inspected by 1 to 5 V DC of the input signal suffix code 1 before shipment 1 MOUNTING METHOD AN NOTE Plug disconnect the main unit into from the socket vertically to the socket face Otherwise the terminals may bend and it may cause bad contact 1 1 Wall Mounting Unfasten the upper and lower stoppers of the computing unit to discon nect the main unit from the socket Next anchor the socket onto the wall with two M4 screws Then plug the main unit into the socket and secure the main unit with the upper and lower stoppers Stopper Mounting screws lt Mounting Dimensions gt Unit mm Pitch 56 or more Note e When mounting the computing units close together leave a space of at least 5 mm between them e Use the supplied spacer to keep a space of 5 mm for DIN rail mounting Socket 2 4 5 or 2 M4 1 2 DIN Rail Mounting Locate the computing unit 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 us ing the slide lock at the lower part of the socket Slide lock 1 3 Using Ducts Wiring ducts should be installed at least 30 mm away from the top or bottom of the main unit 2 I
7. NSTALLATION LOCATIONS Avoid the following environments for installation locations Areas with vibration corrosive gases dust water oil solvents di rect sunlight radiation a strong electric field and or a strong magnetic field Installation altitude 2000 m or less above sea level 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 this com puting unit and a field installed device Operating temperature humidity range 0 to 50 C 5 to 90 RH no condensation 3 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 Wires are connected to the terminals of the computing unit s socket M3 5 screw terminals are provided for the connection of external sig nals Attach a crimp on lug to each wire for connection to the termi nals Recommended cables A nominal cross sectional area of 0 5 mm or thicker for signal cables and that of 1 25 mm or thicker for power cables Receiving resistor for current input Power supply R Receiving resistor for current input O O a
8. RNG D28 INPUT1 H_RNG D38 OUT1L RNG D39 OUT1 H_RNG D45 PRGM SELECT D47 CYCLE TIME SELF CHK ROGRAM ROGRAM ROGRAM D01 N O1 k ok OQI CO O O1 U G01 0 Sv 9 5 ROGRAM PROGRAM rogram rogram G O G Co N Co G60 SELF CHK Self check result H CONST Fixed Constant of Computing Unit CONST CONST C o S a CONST CONST SELF CHK P ADJUST Adjustment N1 ZERO ADJ Poo N1 SPAN ADJ OUTIZERO ADJ OUT1SPAN ADJ Output 1 span adjustment P60 SELF CHK a TEST OUT TEST DO1 TEST Q60 SELF CHK IM 77J04X12 01E 1st Edition Aug 31 2005 00 8 MAINTENANCE The product starts running immediately when the power is turned on however it needs 10 to 15 minutes of warm up before it meets the specified performance 8 1 Calibration Apparatus A DC voltage current standard Yokogawa 7651 or the equivalent A digital multimeter Yokogawa 7561 or the equivalent A calibrator Yokogawa M amp C CA71 or the equivalent A precision resistor of 250 Q 0 01 1 W Setting tool for adjustment Refer to 4 2 Connector for Communi cation in this manual 8 2 Calibration Procedure 1 Connect the instruments as shown below 2 Use the DC voltage current standard and apply input signals equivalent to 0 25 50 75 and 100 of input span to the comput ing unit 3 Check to see the output values obtained from the computation of each input are within the specified accuracy rating
9. User s Model MXD JUXTA Manual Universal Computing Unit 1 input Isolated 1 output Type lt with Contact I O gt IM 77J04X12 01E Please read through this User s Manual before use for correct handling Please keep this User s Manual for future reference YOKOGAWA gt IM 77J04X12 01E Yokogawa Electric Corporation Ist Edition Aug 2005 YK CAUTIONARY NOTES FOR SAFE USE OF THE PRODUCT This User s Manual should be carefully read before installing and oper ating the product The following symbol is used on the product and in this manual to ensure safe use gt This symbol is displayed on the product when it is necessary to refer to the User s Manual for information on personnel and instrument safety This symbol is displayed in the User s Manual to indicate precautions for avoiding danger to the operator such as an electric shock The following symbols are used only in this manual AY IMPORTANT Indicates that operating the hardware or software ina particular manner may cause damage or result in a system failure NOTE gt Draws attention to essential information for understanding the operations and or functions of the product CHECKING PRODUCT SPECIFICATIONS AND PACKAGED ITEMS 1 Checking the Model and Product Specifications Check that the model and specifications indicated on the nameplate attached to the main unit are as ordered 2 Packaged Items Check that the package contains the
10. V DC between input analog output con tact output power supply and grounding terminals mutually Anaolg input and contact input terminals are not isolated Withstand voltage 2000 V AC for 1 minute between input analog output contact output power supply and grounding terminals mutually 1000 V AC for 1 minute between anaolg output and contact output terminals 4 DESCRIPTION OF FRONT PANEL The figure below shows the computing unit of which the front panel cover is open Connector for communication Operation indicating lamp Selection switch Turns on at power on Adjustment switch 4 1 Operation Indicating Lamp The operation indicating lamp shows the operation status abnormali ties in a setting and adjustment operation status by the adjustment switch on the front panel 1 When the lamp is lit Power is turned on and the computing unit is in the normal status provided that the selection switch is set to the position 0 2 When the lamp is blinking rapidly The lamp repeats the rapid blinking until the internal processing is completed during output adjustment by the adjustment switch or forced contact output 3 When the lamp is blinking slowly The lamp repeats the slow blinking until the computing unit re gains its normal status when the following abnormalities occur e Abnormalities in a parameter setting e The selection switch is set to
11. cond 0 1 Output 0 1 Setting accuracy of time table 5 0 of set value 1 0 second Number of significant digits 4 X axis to to t20 e g 123456 seconds unacceptable 123400 sec onds acceptable Y axis Yo to Y20 e g 12 84 unacceptable 12 3 acceptable 6 6 MXD Q Integrated Pulse Output This computing unit outputs the integrated pulse according to the fol lowing expression DO K1 X 10 where DO Integrated pulse output pulse hour X Input signal K1 Integration factor no unit Pulse output is ON pulse of 100 ms However the maximum number of output pulse is 5 pulses second Also the analog signal is always output as monitor of input signal X Integration factor K1 can be set in H01 CONST Fixed constant H01 can be changed using the Handy Terminal Setting range of integration factor 0 01 to 18 1 to 1800 Number of significant digits 4 Minimum unit 0 00001 Computation accuracy 1000 2 pulse hour However when K1 1 X 100 Specification of contact output Maximum permissible load 30 V DC 200 mA Number of significant digits 4 e g 1 23456 unacceptable 12 34 1 234 0 01234 acceptable IM 77J04X12 01E 1st Edition Aug 31 2005 00 7 LIST OF PARAMETERS 7 1 MXD except for the function suffix code A Parameter Display ltem 0 A05 wo o boana bo Digaopa 54 56 5 A60 0 B05 por Dianu DO Digital output B60 D02 D03 0 20 D22 Input res
12. istor 2 28 INPUT H_RNG 38 39 Output 1 high range D45 Program selection Self check result Hot H02 rr ae eee H58 H59 60 ADJUST Adjustment Pos gt 2 2 B O gt gt gt ro g 22 o g w X O J N J J f zz NO ae ine 7 Q03 are Self check result 6 OUT1ZERO ADJ Output 1 zero adjustment 1 The displayed status is to let the service staff know the past records of the product 2 The parameters are the items to be set at the factory 7 2 MXD Fae for the function suffix code A Parameter Display O olem A DISPLAY Dispaya T4 Temporary memory 4 Digital input Digital output LOAD oad factor TATUS atus gt on fon EV NO MENU REV ELF CHK DISPLAY2 NPUT1 OUTPUT1 T1 T2 T3 T4 EV No ENU REV elf check result isplay 2 nput 1 Output 1 Temporary memory 1 Temporary memory 2 Temporary memory 3 Temporary memory 4 Digital input Digital output Load factor Self check result Setting I O Tag No 1 Tag No 2 Comment 1 Comment 2 Input type Input resistor Input 1 low range nput 1 high range Output 1 low range Output 1 high range Program selection omputation cycle elf check result Program of Computing Unit rogram rogram O 0 op g B01 BOS B11 B12 B13 B14 B17 B60 LOAD SELF CHK SET I O TAG NO 1 Do2 TAG NO 2 D03 COMMENTI D04 COMMENT2 D20 INP TYPE D22 IN RESIST D2 NPUT1 L
13. ry computing unit as long as the contact input DI is ON SHORT When the contact input is OFF OPEN the unit outputs the analog signal Y that corresponds to the bottom value of subsequent analog input X 6 5 MXD P Program Setter This computing unit resets the program outputs and holds the starting value of the time table when the contact input DI is ON SHORT When the contact input is OFF OPEN the unit starts the program and outputs the analog signal Y according to the time table When the program ends the unit outputs the end value of time table and holds it until the next reset command contact input in ON SHORT status enters Up to 21 time tables can be set and give relationship of time vs out put Any number 1 to 20 of line segments of time table can be set in H43 Set a number 1 to 20 of line segments in H43 Set X axis time in H01 to H21 CONST X axis breakpoint H01 corresponds to Y axis breakpoint H22 and shifts orderly thereafter Fixed constants H01 to H43 can be changed using the Handy Termi nal O to 100 0 in H01 to H21 corresponds to 0 to 1000 seconds 0 to 100 0 in H22 to H42 corresponds to 0 to 100 0 of output Number of line segments 1 to 20 of time table corresponds to 100 to 2000 Setting condition of time table 0 0 H01 to H21 32000 0 to 320000 seconds 6 lt H22 to H42 106 H01 lt H02 lt H21 Number of time tables 2 to 21 Setting resolution Time 1 se
14. ue AUNE GNIR Forced contact output OFF Adjusted volume by the adjustment switch One click changes about 0 005 of output range 4 3 1 Adjusting Output Using the Switches on the Front Panel 1 Output zero adjustment Turn the selection switch to 1 Then turn the adjustment switch clockwise to increase the output or turn it counterclockwise to de crease the output 2 Output span adjustment Turn the selection switch to 2 Then turn the adjustment switch clockwise to increase the output or turn it counterclockwise to de crease the output Forced contact output Turn the selection switch to 7 Use the adjustment switch for ad justment AN NOTE e Be sure to set the selection switch back to the position 0 after each adjustment Otherwise it may cause an incorrect operation or malfunction because the positions other than 0 are adjustment modes e When the selection switch is set to the positions other than 0 the setting tool can not be used for the setting 5 SETTING PARAMETERS Set the parameters using a PC VJ77 Parameters Setting Tool or the Handy Terminal Refer to 7 List of Parameters in this manual and the User s Manual for VJ77 PC based Parameters Setting Tool IM 77J01J77 01E or the User s Manual for JHT200 Handy Terminal IM JF81 02E Parameters are indicated inside the E Setting Input Range Set the 0 value of input range in D27 INPUT1 L_RNG and the 100
15. using a setting tool refer to the User s Manual for each setting tool and 7 List of Parameters in this manual For adjustment using the switches on the front panel refer to 4 3 Selection Switch and Adjustment Switch User s Manual for VJ77 Document No IM 77J01J77 01E how ever use the VJ77 of version R1 04 or later User s Manual for JHT200 Document No IM JF81 02E Receiving resistor for current input Power supply Input J DC voltge 5 N L current 3 R standard d4 6 LO IOO R Receiving resistor for current input oF o Ojo O o Contact input O O OR 10 01 DIC Contact output Output 19 o OPM A Calibrator ER DMM DTi R 250 Q precision resistor for current output 6 IM 77J04X12 01E 1st Edition Aug 31 2005 00
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