User`s Manual
Contents
1. zs E amp 3 3 3 3 1 Alarm status does not continue for more than 1 second after the 8 8 2 3 alarm conditions are established at alarm 1 a a 3 7 g 2 2 5 2 Normal status does not continue for more than 2 seconds after the 2 2 3 2 normal conditions are established at alarm 1 B B 3 8 Alarm status does not continue for more than 3 seconds after the F S amp f alarm conditions are established at alarm 2 100 By 2 8 O 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 J 2 sec ge 22 s 2 Bz gz 60 lt a 2 Sa 3 2 8 oS gt gt o3 z3 3 2 z3 z3 3 g E 38 8 ola Se ao o E ols o Q O D 3 3 2a 22 2 5 88 as 3 4 EN alo a amp 1 j a o o s a a 7A 40 O O 2 2 Df S gs 2 n zZ an a a 2 2 4 sec ha o y lt 20 i 7 15 Alarm 2 hysteresis 5 4 Alarm 2 setpoint 15 0 amp l li Elapsed time 1 sec Alarm 1 action Normal PAKKA Normal Alarm 2 action Normal Z DEG Normal IM 77J01A07 01E 10 LIST OF PARAMETERS No Item Display Remarks No Item Display Remarks2. o GND Fig 6 1 N NOTE Keep all sources of noise away from the power and sig nal cables Otherwise accuracy cannot be assured Provide grounding to a grounding resistance of 100 Q The length of the grounding cable should be 20 m or less Directly connect the lead from the ground terminal terminal no 8 of the distributor to the ground Do not carry out daisy chained inter ground terminal wiring Direct Current Overvoltage category Installation category describes a number which defines a transient overvoltage condi tion It implies the regulation for impulse withstand volt age II applies to electrical equipment which is sup plied from the fixed installation like distribution board Pollution degree describes the degree to which a solid liquid or gas which deteriorates dielectric strength or surface resistivity is adhering 2 applies to normal in door atmosphere Normally only non conductive pollu tion occurs Occasionally however temporary conduc tivity caused by condensation must be expected Rated fuse of 125VDC 1A is stored However opera tors can not replace the fuse IM 77J01A07 01E A IMPORTANT If this instrument is used in a manner not sepecified in this manual the protection provided by this instrument may be impaired Ifthe product is operated by a power supply exceeding the specifications the produc
3. connector F9182EE Connection cable optional VJ Series E9786WH Modular jack to connector adapter optional JHT200 Handy Terminal optional Fig 7 2 Connecting the Handy Terminal 8 SETTING PARAMETERS Set the parameters using the Handy Terminal Refer to the list of pa rameters in this manual and the Instruction Manual for Handy Termi nal IM JF81 02E 8 1 Settings Related to Inputs and Outputs 8 1 1 Square Root Extraction Select SQR in D11 LINEARIZE 8 1 2 Low cut Function Set this parameter when an input signal is square root extracted for use Set it in D12 LOW CUT numerically Setting range A range of 0 to 100 of input range Setting resolution 0 1 A feuBls indino lt ll x lt i Input signal X Hysteresis Low cut point Fixed to 0 2 8 1 3 Direction of Output Action Analog output signals can be reversed To reverse the signal from out put 1 set D38 OUT1 DR to REVERSE For output 2 set D39 OUT2 DR to REVERSE To return the output 1 signal to normal set D38 OUT1 DR to DIRECT For output 2 set D39 OUT2 DR to DIRECT 8 2 Settings Related to Communication Function Set the following parameters when output 2 is specified for com munication function For more information on the communication o function see the Instruction Manual for VJ Series Communication Function IM 77J1J11 O1E 8 2 1 Communication Protocol Set the communication protocol by sele
4. 2 9 32 Naka cho Musashino shi Tokyo 180 8750 Japan Phone 81 422 52 7179 Facsimile 81 422 52 6793 IM 77J01A07 01E 1st Edition Nov 1999 2nd Edition June 2004 2 4 3 Mounting Using a Multi mounting Base For mounting using a multi mounting base see the Instruction Manual for VJCE VJ Mounting Base 4 4 Using Ducts Wiring ducts should be installed at least 30 mm away from the top or bottom of the main unit 4 5 Incase of top and bottom close mounting Transmitter should be mounted horizontally with its top and bot tom slits being vertical The top and bottom slits should not be covered The area for wiring is required above and below the transmitter B 40 or more KA Ou Aa nue wv O g 8 E lt 5 29 5 or more Q 00 wo N 2 a SS 5 INSTALLATION LOCATION e For installation avoid any location where the product may be subject to vibrations corrosive gases or large amounts of dust or where the product is exposed to water oil solvents direct sunlight radioactive rays or strong electric or magnetic fields e If there is a possibility that lightening could induce a high surge voltage on the power and signal lines provide lighten ing arresters on the line between the field instrument and in door instrument in order to protect the product Install a dedi cated arrester on the field side and another on the indoor side 6 EXTERNAL WIRING N WARNING Tur
5. CHK There are items not displayed depending on what second F Setting communication SET COM output is specified F01 Communication protocol PROTOCOL F02 Address ADDRESS F03 Baud rate BAUD RATE F04 Parity PARITY F05 Data length DATA LEN F06 Stop bit STOP BIT F60 Self check result SELF CHK Adjusting items Test items P Adjustment ADJUST1 Q Test TEST P02 Zero adjustment of input 1 ZERO ADJ1 Q01 ON OFF of RJC RJC P03 Span adjustment of input 1 SPAN ADJ1 Q02 Forced output 1 OUT1 TEST P12 0 adjustment of output 1 OUT1 0 Q03 Forced output 2 OUT2 TEST P13 100 adjustment of output 1 OUT1 100 Q04 Forced output alarm 1 ALM1 TEST P14 0 adjustment of output 2 OUT2 0 Q05 Forced output alarm 2 ALM2 TEST P15 100 adjustment of output 2 OUT2 100 Q60 Self check result SELF CHK P60 Self check result SELF CHK 11 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 For cleaning the instrument use a soft and dry cloth 11 1 Calibration Apparatus A voltage and current generator Yokogawa 7651 or the equivalent A voltmeter Yokogawa 7562 or the equivalent A precision resistor of 250 Q 0 01 1 W for current out put 11 2 Calibration Procedure Connect the instruments as shown in Fig 10 1 First adjust the out put 1 signal and then the output 2 signal Produce input signal
6. 01 Model MODEL 02 Tag no TAG NO 03 Self check result SELF CHK Display items A Display 1 DISPLAY1 B Display 2 DISPLAY2 A01 Input value INPUT1 B01 Input value 1 INPUT1 A05 Output value 1 OUTPUT1 B05 Output value 1 OUTPUT1 AO6 Output value 2 OUTPUT2 BO6 Output value 2 OUTPUT2 A07 Alarm 1 status ALM1 STATUS B60 Self check result SELF CHK A08 Alarm 2 status ALM2 STATUS A17 Status STATUS 1 The Status is displayed for service personnel to see history A18 Rev no REV NO records A20 Menu rev MENU REV A60 Self check result SELF CHK Setting items D Setting I O SET I O E Setting alarm output SET ALM D01 Tag no 1 TAG NO 1 E01 Alarm 1 setting SET POINT1 D02 Tag no 2 TAG NO 2 E02 Alarm 2 setting SET POINT2 D03 Comment 1 COMMENT1 E03 Alarm 1 setting SET POINT1 D04 Comment 2 COMMENT2 E04 Alarm 2 setting SET POINT2 D11 Linearize LINEARIZE E05 Direction of alarm 1 action ALM1 ACTION D12 Low cut LOW CUT E06 Direction of alarm 2 action ALM2 ACTION D38 Direction of output 1 action OUT1 DR E09 Alarm 1 hysteresis HYSTERESIS1 D39 Direction of output 2 action OUT2 DR E10 Alarm 2 hysteresis HYSTERESIS2 D60 Self check result SELF CHK E11 Alarm 1 ON delay setting ON DELAY1 E12 Alarm 2 ON delay setting ON DELAY2 E13 Alarm 1 OFF delay setting OFF DELAY1 E14 Alarm 2 OFF delay setting OFF DELAY2 E15 Direction of alarm 1 relay action RL1 ACTION E16 Direction of alarm 2 relay action RL2 ACTION E60 Self check result SELF
7. 7J1A07 01E 1 Tag number label 1 3 GENERAL This distributor which belongs to the JUXTA series of signal condi tioners receives 4 to 20 mA DC signals from two wire transmitters while supplying power to transmitters and converting the received signal to pairs of isolated current and voltage signals e Output 2 signal is selectable from a DC voltage signal DC current signal communication function RS 485 and alarm output two relay contacts Keep this manual in a safe place 4 MOUNTING METHODS 4 1 Wall Mounting Loosen the main unit fixing screw of the distributor 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 cure the main unit with the main unit fixing screw Socket Threaded hole for fixing the main unit Main unit Main unit fixing screw lt Mounting Dimensions gt Unit mm 29 5 or more 2 M4 or 2 04 5 or more Eh RE ee Fig 4 1 4 2 DIN Rail Mounting Locate the distributor 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 DIN rail VIEW A Rear of socket Be LS Zl o DIN rail Slide lock YOKOGAWA Yokogawa Electric Corporation Yokogawa Electric Corporation Network Solutions Business Divisiion
8. User s Manual Model VJA7 Distributor Multi function JUXTA Isolated Single output and IM 77J01A07 01E Isolated Dual output Types 1 CAUTIONARY NOTES FOR SAFE USE OF THE PRODUCT For the correct use of this product read through this manual before use The following safety symbol is indicated on the product to en sure safe use A If this symbol is indicated on the product the operator should refer to the explanation given in the instruction manual in order to avoid personnel injury or death to either themselves or other personnel and or damage to the instru ment The manual describes the special care the operator should exercise to avoid shock or other dangers that may re sult in injury or loss of life The following symbol marks are used only in this manual IMPORTANT Indicates that operating the hardware or software in a par ticular manner may damage it or result in a system failure N NOTE Draws attention to information that is essential for under standing the operations and or features of the product CHECKING PRODUCT SPECIFI CATIONS AND THE CONTENTS OF PACKING 1 Model Number and Specification Check Check that the model number and specifications shown on the nameplate attached on the side of the product are as ordered 2 Contents of the Packing Check that the packing contains the following items VJA7 main unit 1 Instruction Manual IM 7
9. arm setpoint in order for an alarm status to be released to normal after the alarm status has been activated The alarm status will be re leased in the following conditions depending on the direction of alarm action When HIGH ALM high limit alarm is set Alarm is released when input signal lt alarm setpoint hysteresis When LOW ALM low limit alarm is set Alarm is released when input signal gt alarm setpoint hysteresis Setting range A range of 0 to 100 of input range Setting resolution 0 1 8 3 4 Alarm ON Delay and Alarm OFF Delay Set alarm 1 and alarm 2 ON delays in E11 ON DELAY1 and E12 ON DELAY and then alarm 1 and alarm 2 OFF delays in E13 OFF DELAY 1 and E14 OFF DELAY 2 An alarm ON delay is a delay time from the establishment of alarm condition to alarm output an alarm OFF delay is a delay time from the establishment of return to normal condition to out put Setting range 0 to 999 seconds Setting resolution 1 second Note that about 0 2 second will be added to set time to prevent erroneous operation For example when an alarm ON delay is set to 1 second alarm output is generated if alarm status continues for more than 1 sec ond after the input value exceeds the alarm setpoint Further when an alarm OFF delay is set to 2 seconds alarm output is released if normal condition continues for more than 2 seconds after the input value has returned to normal from the ala
10. cting from among PC LINK PC LINK WITH SUM MODBUS ASCII MODBUS RTU and LADDER in F01 PROTOCOL 8 2 2 Communication Address Set the address number of the distributor numerically in a range of 1 to 99 in F02 ADDRESS 8 2 3 Baud Rate Set the baud rate by selecting from among 1200 2400 4800 and 9600 bps in F03 BAUD RATE 8 2 4 Parity Select and set NONE EVEN or ODD in F04 PARITY 8 2 5 Data Length Select and set 7 bits or 8 bits in F05 DATA LEN 8 2 6 Stop Bit Select and set 1 bit or 2 bits in F06 STOP BIT 8 3 Settings Related to Alarm Output Set the following parameters when output 2 is specified for alarm output 8 3 1 Alarm Setpoints Set the alarm setpoints of alarm 1 and alarm 2 in E03 SET POINT and E04 SET POINT2 numerically Setting range A range of 0 to 100 of input range Setting resolution 0 1 IM 77J01A07 01E 8 3 2 Direction of Alarm Action Select the direction of alarm 1 action and that of alarm 2 action from among HIGH ALM high limit alarm and LOW ALM low limit alarm and set each in E05 ALM1 ACTION direction of alarm 1 action or E06 ALM2 ACTION direction of alarm 2 ac tion To activate alarm status when input signal alarm setpoint select HIGH ALM To activate alarm status when input signal lt alarm setpoint select LOW ALM 8 3 3 Hysteresis Set alarm 1 and alarm 2 hysteresis in E09 HYSTERESIS1 and E10 HYSTERESIS2 Hysteresis is a value added to the al
11. n OFF the power supply and make sure that none of the cables are not in the hot line state before carrying out the wiring to avoid the possibility of electric shock Wires are connected to the terminals of the distributor s socket M3 screw terminals are provided for the connection of external signals Attach a crimp on lug to each wire for connection to the terminals e 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 and shielded twisted pair cables AWG 4 for communication wiring cables e For mounting use M3 screws and crimp on terminals with in sulating sleeves appropriate for the wires used Tool of the crimp on terminals to be used should be appropri ate for the crimp on terminals e Mount a breaker on the external place Mount a switch or 5A circuit breaker on the place near by the instrument within operator s reach And attach the indication that it is for disconnecting the instrument Input signal Example of using a Zener barrier to configure an intrinsically safe system When internal When external power is used power is used rae Ti D ee H PLO COM COM Output 2 signal RS 485 communication Q Be gt COM K ory com Analog output Alarm output Output 1 signal Analog output Oa Q Power Supply L
12. rm status 8 3 5 Direction of Relay Action Set the direction of relay energizing in alarm 1 normal condition and alarm 2 normal condition by selecting 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 9 DESCRIPTION OF ALARM ACTIONS This chapter describes examples of alarm actions under the following conditions tem Alarm 1 Alarm 2 Parameter Setpoint Parameter 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 0FF DELAY2 3 sec Alarm OFF delay E13 OFF DELAY1 2 sec E14 0FF DELAY2 4 sec Description of alarm actions The alarm sounds if the condition where the input value is 80 or more of high limit alarm continues for more than 1 second After the alarm sounds when the condition where input value is less than 70 of the high limit alarm continues for more than 2 seconds the status returns to normal The alarm sounds if the condition where the input value is 15 or less of low limit alarm continues for more than 3 seconds After the alarm sounds when the condition where input value is more than 20 of the low limit alarm continues for more than 4 seconds the status returns to normal
13. s equivalent to 0 25 50 75 and 100 of the input span or those equivalent to 0 6 25 25 56 25 and 100 of the input span if square root extraction is set from the voltage and current generator to the distributor Then check that the distributor s output signal shows voltages corresponding to 0 25 50 75 and 100 of the input span within the rated accuracy range If the output signal is out of the rated accuracy range adjust the output signal level using the Handy Terminal JHT200 Input signal 4 to 20 mA DC input Volt d current 2 Output 2 signal generator 4 Analog output oR Voltmeter BBB il R For current output using 250 Q Power Supply la F precision resistor L g Output 1 signal LOE Analog output N O 4 nalog outpu wy OD O GND 1O gt 6 R Voltmeter R For current output using 250 Q precision resistor Fig 11 1 IM 77J01A07 01E
14. t may become extremely hot and as a result damaged To prevent this ensure the following before turning on the power a The voltage of the supplied power and the input signal level meet the specifications of the product b External wires are connected to the correct termi nals refer to Chapter 5 Do not operate the product in the presence of flammable or explosive gases or vapors To do so is highly danger ous 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 DESCRIPTION OF FRONT PANEL AND CONNECTION OF HANDY TERMINAL 7 1 Front Panel The communications connector in the front panel is used for setting up parameters through the Handy Terminal The alarm 1 and alarm 2 LEDs light up if an alarm occurs those LEDs are provided only when the output 2 is specified for alarm output 7 2 Connecting the Handy Terminal Connect the modular jack to connector adapter to the connection cable with 5 pin connector of the Handy Terminal and then con nect this adapter to the communications connector of the distribu tor Communications connector for connecting the Handy Terminal Alarm 1 LED lights up if an alarm occurs Alarm 2 LED 1 lights up if an alarm occurs The LEDs are provided only when output 2 is specified for alarm output Fig 7 1 Front Panel Communications
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