User`s Manual
Contents
1. Supa n Lad Digital O Lad Digital D 4 _ multimater O 4 _ multimater Ro 250 Q precision resistor for current output Ro 250 Q precision resistor for current output IM 77J03H01 02E 2nd Edition May 21 2004 00 10 LIST OF PARAMETERS Parameter Display item Self check result Display 0 Input 0 Output 1 A08 Output 2 5 Status 56 EV No 58 MENU REV 60 Self check result Display2 0 Input 1 0 Output B08 Output 2 60 Self check result Setting 1 0 D01 Tag number 1 0 Tag number 2 D03 Comment 1 D04 Comment 2 D14 Linearize 5 Low input cut point 2 input type 2 Input resistance Input low range Input high range 3 Output 1 low range D39 Output 1 high range 4 Output 2 low range 4 Output 2 high range D49 Direction of output 1 action 50 Direction of output 2 action Self check result Adjustment 08 Zero adjustment of input 1 Span adjustment of input 1 2 Zero adjustment of output 1 27 Span adjustment of output 1 P28 Zero adjustment of output 2 2 Span adjustment of output 2 Self check result Test 0 Forced output 1 0 Forced output 2 Self check result 4 The displayed status is to let the service staff know the past records of the product 2 The parameter becomes effective when SQR is selected in D14 LINEARIZE 3 The parameters are the items to be2. lt External Receiving Resistor for Current Input gt Input ragne Input ragne eaten Brean res oe 2500 RES 250 2m 1 to 5 mA DC Oto1mADC 1kQ RES 01K 0 to 20 mA DC 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 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 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 7 PART NAMES OF FRONT PANEL The figure below shows the JH12 with its front panel cover being open Communication
3. connector Operation indicating Selection ane switch Adjustment switch 7 1 Operation Indicating Lamp The operation indicating lamp shows the operating status abnormal setting and adjustment operating status using the adjustment switch on the front panel 1 When the lamp is lit Power is turned on and the distributor is in the normal status pro vided that the selection switch is turned to the position 0 2 When the lamp is flashing rapidly The lamp repeats the rapid flashing until the internal processing is completed during I O adjustments using the adjustment switch 3 When the lamp is flashing slowly The lamp repeats the slow flashing until the distributor regains its normal status when the following abnormalities occur Abnormal parameter setting The selection switch is turned to the positions other than 0 Input is out of the range of 10 to 110 7 2 Communication Connector The communication connector is used when setting the parameters through a PC VJ77 Parameter Setting Tool or the Handy Terminal JUXTA communication cable with 5 pin connectors F9182EE JHT200 Provided with VJ77 JHT200 Handy Terminal if f Modular jack conversion adapter E9786WH Provided with VJ77 Dedicated adapter E9789HA Provided with VJ77 Dedicated cable E9786Wk Provided with VJ77 7 3 Selection Switch and Adjustment Switc
4. Set with square root extractor or without square root extractor in D14 LINEARIZE SQR for with square root extractor and OFF for without square root extractor 8 2 Setting Low cut Point Set a numeric value in D15 LOW CUT when with square root extrac tor is selected Setting range within 0 3 to 100 of the input range setting resolution 0 1 Low cut point Output signal Y Input signal X Hysteresis NpUT Sa Fixed to 0 2 8 3 Setting Input Resistance When the input is DC current signal set the external resistance in D22 IN RESIST see Chapter 6 External Wiring For example enter 250 when the input is 4 to 20 mA DC 8 4 Setting Input Range Set the input range 0 in D27 INPUT1L_RNG and the input range 100 in D28 INPUT1H_RNG Setting range within 10 to 10 V DC When current input apply input range x input resistance to the above AN NOTE Change the input range resets the input adjusted value 9 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 9 1 Calibration Apparatus A DC voltage current standard Yokogawa 7651 or the equivalent A digital multimater Yokogawa 7561 or the equivalent A precision resistor of 250 Q 0 01 1 W A setting tool for adjustment See Section 7 2 Communication Connector N Cali
5. set at the factory 4 The parameter is to be set for the current input 7a Execute the following operations when indicating D P or Q through JHT200 Handy Terminal Press lt F1 gt key key and lt ENTER gt key in this order Enter D P or Qin gt gt 4 gt gt P gt JD gt N J u NO Jg U J NIO O N N JJ J J o CO O O O U R O 4 IM 77J03H01 02E 2nd Edition May 21 2004 00
6. 2 Turn the selection switch to 3 An adjustment switch adjusts 4 Span adjustment of output 2 Turn the selection switch to 4 An adjustment switch adjusts 7 3 2 Adjusting input using the switches on the front panel When performing the zero span adjustment of input be sure to rotate the adjustment switch counterclockwise to reset the adjusted value at first 1 Zero adjustment of input Turn the selection switch to 5 Rotate the adjustment switch clockwise to adjust the input read value and counterclockwise to reset the adjusted value 2 Span adjustment of input Turn the selection switch to 6 Rotate the adjustment switch clockwise to adjust the input read value and counterclockwise to reset the adjusted value A NOTE Make sure to turn the selection switch back to the position 0 after each adjustment The positions other than 0 mean the adjustment modes and it may cause a wrong operation When the selection switch is turned to the positions other than 0 setting through the setting tool is impossible 8 SETTING PARAMETERS Set the parameters through a PC VJ77 Parameter Setting Tool or the Handy Terminal For details how to set see Chapter 10 List of Pa rameters User s manual VJ77 PC based Parameter Setting Tool IM 77J01J77 01E or User s manual JHT200 Handy Terminal IM JF81 02E The description in the indicates the parameters 8 1 Setting Square Root Extractor
7. User s JUXTA Manual Model JH12 Isolator 2 output Free Range Type with Square Root Extractor IM 77J03H01 02E Please read through this User s Manual before use for correct handling Please keep this User s Manual for future reference YOKOGAWA Yokogawa Electric Corporation IM 77J03H01 02E 1st Edition Apr 2004 YK 2nd Edition May 2004 YK 1 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 A 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 in a particular manner may cause damage or result in a system failure AN NOTE Draws attention to essential information for understanding the operations and or functions of the product 2 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 front face of the main unit are as ordered 2 Packaged Ite
8. bration Procedure 1 Connect the instruments as shown below First adjust the output 1 signal and then the output 2 signal 2 Use the DC voltage current standard and apply input signals equivalent to 0 25 50 75 and 100 of the input span to the iso lator When with square root extractor is selected apply input signals equivalent to 0 6 25 25 56 25 and 100 of the input span to the isolator 3 Check to see the corresponding output voltages are 0 25 50 75 and 100 respectively and within the specified accuracy rating R is used for current output ifthe output signals are out of the accuracy rating range adjust the output signal level through a setting tool VJ77 Parameter Set ting Tool or JHT200 Handy Terminal or using the selection switch and adjustment switch on the front panel For adjustment through a setting tool see each user s manual of setting tool and Chapter 10 List of Parameters For adjustment using the switches on the front panel see Section 7 3 Selection Switch and Adjustment Switch VJ77 user s manual VJ77 PC based Parameter Setting Tool IM 77J301J77 01E JHT200 user s manual JHT200 Handy Terminal IM JF81 02E Receiving resistor for current input Power supply e pe 6 N OAL ap Input 6 4 DC voltge ER current 6 standard Ri External receiving resistor for current input See chapter 6
9. h The following adjustments can be made using the switches on the front panel selection switch and adjustment switch without the dedicated setting tool see Section 7 2 Communication Connector The adjusted value is stored about 1 second after operating the adjust ment switch Also when the rotating direction of the adjustment switch is changed the adjusted value becomes effective about 1 second after the change Position of selection switc Items to be adjusted itch a Zero adjustment of output 1 Span adjustment of output 1 Zero adjustment of output 2 6 Span adjustment of input Rotating direction of adjustment switch Action to be adjusted l Increase of output adjusted value and adjustment of input _ Decrease of output adjusted value and SS Ua reset of input adjusted value IM 77J03H01 02E 2nd Edition May 21 2004 00 Adjusted volume by adjustment switch One alick changes about 0 005 of the output range 7 3 1 Adjusting output using the switches on the front panel 1 Zero adjustment of output Turn the selection switch to 1 Rotate the adjustment switch clockwise to increase the output and counterclockwise to de crease the output 2 Span adjustment of output Turn the selection switch to 2 Rotate the adjustment switch clockwise to increase the output and counterclockwise to de crease the output Output 2 can be adjusted by the same operations as above 3 Zero adjustment of output
10. ms Check that the packing carton contains the following items JH12 1 Receiving resistor for currrent input 1 Spacer used for DIN rail mounting 1 Range labels 2 User s Manual this manual IM 77J03H01 02E 1 copy 3 GENERAL The JH12 is a plug in type isolator that converts DC current or DC volt age signals into isolated DC current or DC voltage signals 4 MOUNTING METHOD gt Insert pull out the main unit into from the socket vertically to the face of socket Otherwise the terminals are bent and it may cause a bad contact Yokogawa Electric Corporation Network Solutions Business Divisiion 2 9 32 Naka cho Musashino shi Tokyo 180 8750 Japan Phone 81 422 52 7179 Facsimile 81 422 52 6793 4 1 Wall Mounting Remove the stoppers top and bottom from the product and pull out the main unit from the socket Fix the socket on the wall using two M4 screws Next insert the main unit into the socket and fasten the main unit with the stoppers top and bottom Mounting screws Mounting Dimensions Unit mm Pitch 56 or more 5 or more Note SOCKS gt H 1 More than 5 mm interval is required for side by side 2 4 5 or 2 M4 close mounting 2 Use the supplied spacer for DIN rail mounting to keep 5 mm interval 4 2 DIN Rail Mounting Insert a DIN rail into the upper part of the DIN rail groove on the rear of the socket and then slide the slide lock at the lower part of the socket u
11. pwards until the socket is fixed into position as shown below Rear of socket Slide lock 4 3 Using a Duct When using a wiring duct install the duct at leaset 20 mm away from the top and bottom faces of the main unit 5 INSTALLATION 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 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 unit and a field installed device 6 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 prod uct The terminals for external connections are of M3 5 screws Use crimp on terminal lugs for connections to the terminals 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 Ri External receiving resistor for current input See the table below
Download Pdf Manuals
Related Search