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1. 11 M3 5x7 RL H 4 screw 3 3 7 8 Monitor terminal 1 51 max 1 To be added when the monitor output is specified IM 77J04H31 01E 3rd Edition 2006 08 31 00
2. DATA i Monitor output me 8888 ETE AL10 20 30 40 Analog output communication 1 B 1 Ee oon ied A 2 gt Bas 3 com 3 1FL2I43 IM 77J04H31 01E 3rd Edition 2006 08 31 00 4 PART NAMES OF FRONT PANEL AND THEIR FUNCTIONS Place for adhering Bsssssssssssssssstnssssssssssnssssssnsss er the tag number label INPUT ITEM HAH PV measured value display DATA o o fo i READY lamp all g g g Airy lt 2 DATA display AL10 2030 Ope indicator lamp 2 points of alarms 2 lamps l 6 SET ENT key el Aa 4 points of alarms 4 lamps lt r 6 UP DOWN key HAE YOKOGAWA F Monitor output terminal option A NOTE The front panel of the product is constructed to prevent opening Forcing it open will result in breakage Part Name Function PV measured value display Displays a measured value during operation Displays a parameter symbol when a parameter is set Displays an error code in the event of an error 2 DATA display 3 Alarm indicator lamp Displays the setpoint of a variety of parameters Displays an alarm type in the event of an alarm Not displayed during normal operation H High limit alarm Low limit alarm ff Other alarms In the event of an alarm AL1 to AL4 alarm 1 to alarm 4 light up READY lamp Light
3. 2 MOUNTING METHODS 2 1 Wall Mounting Wall Mounting Unfasten the upper and lower stoppers to disconnect 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 e Mounting Dimensions Whit mi Pitch 56 or more r P Main unit vea oa az J i 2 04 5 or 2 M4 i 40 0 2 16 40 0 2 i lt gt 1 i i Mounting Socket i screw 1 Note i j e For side by side mounting provide spacing of 5 mm or r m b more between the products 51 5 For DIN rail mounting use the supplied spacer to 51 gt or more provide spacing of 5 mm between the products 2 2 DIN Rail Mounting Locate the MVHK 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 For side by side mounting attach the spacer supplied with the product to the DIN rail to provide spacing between the products Rear of the socket Slide lock 2 3 Using a Duct When using a wiring duct install the duct at least 30 mm away from the top and bottom faces of the main unit 2 4 Installation Locations e Avoid the following environments for installation locations Areas with vibration corrosive gases dust water oil solvents direct sunlight
4. e 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 Wiring should be connected to the terminals on the socket of the MVHK The terminals for external connections are of M3 5 screws Use crimp on lugs for connections to the terminals It is recommended that signal wires have a nominal cross sectional area of 0 5 mm or thicker while the power cable has a nominal cross sectional area of 1 25 mm or thicker Power supply Receiving resistor 7 L n SUPPLY Input signal R 100 Q or 250 Q externally connected for current input nts of alarm outputs code MVHK 000 0100 4 points of alarm outputs Model code MVHK 000 0200 Relay Rel e ay f oN 4 0 alatm toutput yy ot Alara cno AMI NCD ail 4 COM ALM1 Relay rsrs NO x oro 2 19 Alarm 2 go oN output ae ALM2 2 points of alarm outputs JK12 type Model code MVHK 100 1100 Relay Relayt Wiring for Monitor Output If the monitor output code one of 6 A or P is specified at the time of order the following wiring is possible INPUT ITEM HOE CU LL
5. in the PV display at 8 mA input equivalent to 25 of 4 to 20 mA input as shown in the figure below 0 mA 20 mA Range code No 97 A Input range when the MVHK range code No is 97 4 mA RL 8mA Measured input range Maximum value of measured input range 20 00 mA Minimum value of measured input range 4 00 mA 50 f SL Input scaling value Maximum input scaling value 150 gt Minimum input scaling At 8 mA input 0 is displayed on value 50 the PV display 150 SH INPUT TEM l gt m DATA RDYo AL10 20 30 40 7 2 Setting Ranges and Factory Set Values of Input Related Parameters Setup Parameter Screen 2 Parameter Parameter Name Setting Range Factory Set Symbol Value M Range code No Range code No Instrument input range pr IN os 92 at Hrange 10 00 to 10 00 V DC Gc Mrange 5 00 to 5 00 VDC Gi Lrange 1 000 to 1 000 VDC G5 Mrange 0 00 to 50 00 mA DC 46 Lrange 0 00 to 10 00 mA DC FIM range 0 00 to 20 00 mA DC GE Lrange 0 000 to 4 000 mA DC LI Maximum measured RL 1 digit to the max value of instrument input 5 00 vit input value RH range A I Minimum measured a 4 r L input value RL RL to RH 1 digit 5 00 109 Decimal point position 0 no decimal place 1 one decimal place 1 LIV of scaling value SDP 2 two decimal places 3 three decimal pla
6. or 4 points of contact outputs NO contact Contact rating 120 V AC 1 A 220 V AC 0 5 A resistance load 30 V DC 1 A 120 V DC 0 1 A resistance load Alarm action Alarm action Relay action PV high limit alarm Energized or de energized under normal condition PV low limit alarm Energized or de energized under normal condition Deviation high limit alarm Energized or de energized under normal condition Deviation low limit alarm Energized or de energized under normal condition Deviation high and low limit alarm De energized under normal condition Deviation within high and low limit alarm De energized under normal condition Alarm setting range Within the set input scaling value Setting resolution 1 digit Note Setpoint setting Virtual setpoint when the deviation alarm occurs Setting range Within the set input scaling value Setting resolution 1 digit Note Hysteresis setting range The value resulting from adding a hysteresis value to an alarm setpoint should be within the range of set input scaling value Setting resolution 1 digit Note Note The content of 1 digit is variable according to the input scaling value Alarm ON delay setting Condition monitoring time from the establishment of alarm 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 Alarm OFF delay setting Condi
7. 1 ET ENT P this k f aai i R Ju fended gata with the Operation Parameter Screen displayed the Setup DATE more than 3 sec RDYo Parameter Screen 1 appears AL10 20 3040 Setup Parameter Screen 1 INPUT ITEM Press oo to display J n LOC n Press TAT The decimal point blinks during data change Press the SET ENT key to display parameter LOC Press the DOWN key to display 1 on the DATA display AL10 20 30 40 Press the SET ENT key to display the Setup Parameter SET ENT Press Screen 2 Setup Parameter Screen 2 Lt Press Th to Press the SET ENT key to display parameter BL E L cs display BL In this case the DATA display shows the set minimum Rove 0 input scaling value 50 AL10 20 30 40 INPUT ITEM i i L Press A to display Press the UP key to display 0 on the DATA display oO L 0 Rove a waa The decimal point blinks during data change Press 5 Press the SET ENT key to accept this data Press 25 Press the SET ENT key to display the next parameter Using the voltage current standard apply 8 mA input to the MVHK J The measured value and parameter AL are displayed alternately Press A jo 7 The decimal point blinks Press 1 2 appears on the DATA
8. Press E Press the SET ENT key to display the Setup Parameter Screen 2 Setup Parameter Screen 2 Press sexr jp to display Le PSL Press the SET ENT key to display parameter PSL for Lf setting the communication protocol rao Press the UP or DOWN key to display the communication DATA g Press A Jor Lv i a 102030 0 to display the communication protocol number on the DATA display protocol number to use m Press the SET ENT key to accept this data A E 5 Ej Press This completes the process for setting the communication protocol ee Press the SET ENT key to display the next parameter Press INPUT TEM Follow the same procedure to set the following parameters Hdr Parameter ADR for setting the communication address DATA I RDYo I AL10 20 30 40 INPUT ITEM h p L Parameter BPS for setting the baud rate DATA or RDYo I INPUT TEM Pr H Parameter PRI for setting the parity w EHn AL10 20 30 40 INPUT ITEM ob p Parameter STP for setting the stop bit DATA I RDYo 1 AL10 20 30 40 afi mn Parameter DLN for setting the data length DATA oO o RDYo AL10 20 30 40 A See Also For more information on the communication functions refer to the M Series Digital Limit Alarms Communication Functions User
9. s Manual IM 77J04J11 01E sold separately 13 TROUBLESHOOTING E Possible Errors Occurring at Power ON The following describes possible errors occurring at power ON Error Indication one Status Description Alarm i i of Error Alarm Monitor PV Display Indicator Gutput il CPU failure Undefined Undefined Undefined Undefined Undefined Undefined OFF OFF orr Power None OFF failure 0 RAM None error 0 OFF AL2 ae ROM None Blink blinking ng error 0 0 or less Failure Submit request for us to repair OFF Blinking 0 or less blinks OFF 0 or less Parameter Normal Normal error Normal Normal Normal Check all parameters Normal Normal EEP sum Normal Normal Normal error E Possible Errors Occurring during Operations The following describes errors that may occur during operations Error Indication aa Description Alarm Monitor i of Error PV Display Indicator Output Failure ALI Normal EEPROM None 0 OFF 0 or less Submit request for us to lights error repair Input 110 of the 106 or more Normal Normal exceeding measured Normal of the output high limit range range Input falling 10 of the 6 or less Normal Normal below low measured Normal of the output limit range range blinks Check input Check input Press any key or if normal communication is Normal Normal Normal made a commun
10. 125 Minimum monitor output value 25 iv 5 V Monitor output range 5 V is output when the input scaling value is 125 Fixed to 4 to 20 mAor1to5VDC_ while 1 V is output when it is 25 12 1 2 Setting Ranges and Factory Set Values of Monitor Output Analog Related Parameters Setup Parameter Screen 2 Parameter Factory Set Symbol Parameter Name Setting Range Value L Li Maximum monitor RTL 1 digit to 9999 SH Pei output value RTH Within the instrument input range SZLI Minimum monitor 1999 to RTH 1 digit SL POEL output value RTL Within the instrument input range gt _ _ Visibility of monitor output OFF invisible or ON visible OFF FILINI adjustment screen MON Set this parameter to ON for adjustments of monitor output invisible TO Forced output of a monitor 25 0 to 125 0 0 0 TUTTE output value MAN Note that the assured range is 6 0 to 106 JZ _ Monitor output zero EN adjustment ZER 19 99 to 20 00 0 00 E i _ Monitor output span _ 5 a nm adjustment SPN 19 99 to 20 00 0 00 12 1 3 Setting Monitor Output AN NOTE Accuracy 0 1 of output span is limited depending on the settings for input scaling and maximum and minimum monitor output values For more information on accuracy limitations refer to the main specifications on the last page of this manual This subsection describes an example of setting the maximum monitor output value
11. 99 appears on the DATA NI display I J R F This completes the input no g g adjustment AIG 30 30 th This completes the input adjustment for the MVHK If additional re adjustment must be made take the following steps and then perform the procedure above C Setup Parameter Screen 2 Ir Ch Press e to display Press the SET ENT key to display parameter RST DATA y RST RDYo or E AL10 20 30 40 pNPUTATES 1 Press _ to display i Press the UP key to display ON on the DATA display r J E ON i AL10 20 3040 data change Press e The previously adjusted value will be reset RDYo 0 The decimal point blinks during Press the SET ENT key This resets the previously adjusted value 10 SETTING ACTIVE COLOR PV DISPLAY PV DISPLAY COLOR CHANGING FUNCTION 10 1 Setting Ranges and Factory Set Values Setup Parameter Screen 1 Parameter Parameter Name Setting Range Factory Set Symbol Value r High limit for PV When PV display color mode PCM is 6 or 7 PL H display color change PCL 1digit to 9999 PCH When PV display color mode PCM is 8 or 9 100 0 to 100 0 of the measured input range The setting range depends on the setting of the decimal point position SDP pr Low limit for PV When PV display color mode PCM is 6 or 7 LL display color change 1999 to
12. Att E ne iS This completes the process for ninaa man setting the maximum input scaling value Press S Press the SET ENT key again to display parameter SL ian B Press the DOWN key to display 50 on the DATA displ cl Press lt to display 50 ress the ey to display 50 on the isplay AL10 203 data change fn l Li D40 ile decimal point blinks during INPUT ITEM AL10 20 3 Press 040 z scaling value SET ENT i This completes the process for setting the minimum input Press se for more than 3 sec To the Operation Parameter Screen i Press the SET ENT key to accept this data Press the SET ENT key for more than 3 sec This causes the Operation Parameter Screen to appear s njea Bulyeos ndu uju pue xew ay Huas IM 77J04H31 01E 3rd Edition 2006 08 31 00 8 SETTING ALARM RELATED PARAMETERS 8 1 Setting Ranges and Factory Set Values of Alarm Related Parameters Operation Parameter Screen 8 2 Setting Alarm Output Related Parameters This section describes an example of setting the alarm 1 action AL1 to 12 PV low limit alarm with stand by action alarm 1 setpoint A1 to O alarm 1 hysteresis HY1 to 5 alarm ON delay OND to 5 and alarm OFF delay OFD to 5 with the input scaling values SL SH set to 50 to 150 Parameters relating to alar
13. e 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 e Do not operate the product in the presence of flammable or explosive gases or vapors To do so is highly dangerous e 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 e Transfer contacts for 2 points of alarms consist of an NO contact and an NC contact When using transfer contacts consideration should be given to the risk of a short circuit due to contact MBB resulting from non concurrent action of the NO and NC contacts or to a short circuit caused by arcs produced when opening a contact at large current 1_ The condition where both NO and NC contacts close when the contact actuates e The power line and input output signal lines should be installed away from noise generating sources Otherwise accuracy cannot be guaranteed
14. gt lt N Thi i D than 3 sec This causes the Operation Parameter Screen to appear high and Alarm jora Alarm ea low limit 2 To the Operation Parameter Screen alarm Hore Deviation setpoint Setpoint Deviation setpoint Hysteresis Hysteresis Deviation lt i 9 INPUT ADJUSTMENTS and low limit PV 9 1 Setting Ranges and Factory Set Values of Adjustment Related Parameters alarm h Deviation setpoint Setpoint Deviation setpoint Setup Parameter Screen 2 No alarm Gr Parameters A1 to A4 are not displayed Parameter Parameter Name Setting Range Factory Set Symbol Value i OFF 0 or ON 1 Stand by Action r L e asi nese This paramnoter B used set to ON to reset adjusted OFF ap values Regarded If an alarm type code with LI Input adjustment point as Normali Normal Abnormal stand by action is set alarm GL towel SH SL 10 BL lt BH SH SL 10 SL Alarm ON Low limit action is turned off during the noui adusien lt alarm start up control Al a AL SH SL 10 AL lt AH SH SL 10 SL setpoint This function is useful at power ON or when changing the alarm h H a point SH SL 10 BL lt BH SH SL 10 SH type 7 GON AW a eo veh SH SL 10 AL lt AH SH SL 10 SH 9 2 Instrument for Adjustments Instrument for Adjustments e DC voltage current standard Yokogawa s 7651 or equivalent 1 IM 77J04H31 01E 3rd Edition
15. red green LED character height of 13 5 mm Data display 4 digit 7 segment green LED character height of 9 mm Alarm indicator lamp 2 orange LEDs for 2 points of alarms or 4 orange LEDs for 4 points of alarms Lights up if an alarm occurs Economical mode Turns off the indicating LED if no keystroke is made within the set time Setting range 0 does not go off or 1 to 60 minutes Active color PV display PV display color changing function This function changes the PV display color from green to red or from red to green according to the set PV display color mode shown below PV display color mode to be set Link to alarm 1 Links to alarm 1 Link to alarm 1 and alarm 2 Links to alarm 1 and alarm 2 Link to alarm 1 to alarm 4 only for 4 points of alarms Links to alarm 1 to alarm 4 SP deviation Changes the PV display color according to whether measured value is less than SP deviation high limit or SP deviation high limit or more whether measured value is more than SP deviation low limit or SP deviation low limit or less PV limit Changes the PV display color according to whether measured value is less than measured range high limit or measured range high limit or more whether measured value is more than measured range low limit or measured range low limit or less Fixed color Fixes PV display color in green or red E Output Signal type Relay contact Number of outputs 2 points of contact outputs transfer contact 1a1b
16. 12 2 INPUTATE Section 12 1 blinking the data being changed becomes invalid g H m ae EA L p m Monitor output span adjustment SPN pays appears with the previous data DATA 0 gm Daa Adjusts the span of the monitor output However this action does not take place if the Fane oO rove LILILI parameter MAN ZER or SPN is being AL10 203040 AL10 40 displayed IM 77J04H31 01E 3rd Edition 2006 08 31 00 6 PARAMETER SETTING ORDER AND PRECAUTIONS When setting a parameter begin with Step 1 below and continue in sequence Max min input scaling values RH RL Step 2 INPUT TEM Range code No IN Step INPUT ITEM INPUT TEM ALIm 2m 36 40 DATA DATA ALIN 26 3648 AL1 26 3640 You can enter either parameter first Alarm 1 action Alarm 2 action Alarm 3 action Alarm 4 action AL1 AL2 AL3 AL4 Step 3 INPUTATEM After that you may INPUTATEM proceed with INPUT TEM INPUT ATEM settings beginning at any parameter DATA RDYe ALim 2m 3m 4m ALim 2m 3m 40 ALim 2m 304m ALim 2m 3m 40 You can begin with any of these parameters If the settings for the range code No IN maximum and minimum input scaling values SH XSL or alarm actions AL1 to AL4 are changed the relevant parameter setpoints shown in the table below will be initialized To change a parameter setpoint begin with Step 1 above and continue in sequence Parameters to be initialized if the range code No IN i
17. 2006 08 31 00 9 3 Input Adjustment Input Adjustment 9 3 1 Connecting the Adjustment Instrument Connect the input and supply voltage as shown in the figure below oo Power supply Input signal DC voltage current 3 R IN standard 9 7 R 100 or 250 Q externally connected for current input Y L g N SUPPLY 9 3 2 Adjusting Inputs Carry out input adjustments between two points or the low limit BL input adjustment point LOW and high limit BH input adjustment point HIGH that have been set within the adjustment range see Section 9 1 This subsection describes an example of making an input adjustment between two points or input scaling values 0 and 100 applied at 8 mA input 25 of measured input range and 16 mA input 75 of measured input range with the MVHK range code No set to 97 the measured input range set to 4 to 20 mA DC and the input scaling value displayed value set to 50 to 150 The MVHK 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 When the power is turned on the PV screen of the Operation Parameter Screen appears Power O Operation Parameter Screen INPUT ITEM When you press the SET ENT key for more than 3 sec cr i gt
18. PCH 1digit PCL When PV display color mode PCM is 8 or 9 E 100 0 to 100 0 of the measured input range The setting range depends on the setting of the decimal point position SDP Setup Parameter Screen 2 Parameter Parameter Name Setting Range Factory Set Symbol Value pr PV display color mode 0 Fixed in green L 7 PCM Fixed in red 1 Ph Link to alarm 1 under normal condition green at alarm status red 3 Link to alarm 1 under normal condition red at alarm status green 4 Link to alarm 1 and alarm 2 under normal condition green at alarm status red 5 Link to alarm 1 and alarm 2 under normal condition red at alarm status green 6 PV limit when more than PCL less than PCH green when PCL or less PCH or more red 7 PV limit when more than PCL less than PCH red when PCL or less PCH or more green 8 SP deviation when more than SP PCL less than SP PCH green when SP PCL or less SP PCH or more red 9 SP deviation when more than SP PCL less than SP PCH red when SP PCL or less SP PCH or more green 10 Link to alarm 1 to alarm 4 under normal condition green at alarm status red 11 Link to alarm 1 to alarm 4 under normal condition red at alarm status green PV display color is changed linking to the setting range of high limit PCH and low limit PCL for PV display color change 10 2 Setting Active Color PV
19. RTH to 125 and minimum monitor output value RTL to 25 when the MVHK input scaling values displayed values SL SH are 50 to 150 Operation Parameter Screen When you press the SET ENT key for more than 3 sec SET ENT Press this key for te A x s more than 3 sec _ With the Operation Parameter Screen displayed the Setup fey Parameter Screen 1 appears AL10 20 30 40 When the power is turned on the PV screen of the Operation Parameter Screen appears Setup Parameter Screen 1 INPUT TEM Press pey to display I y S LOC Sa LOL Press to display DATA Press the SET ENT key to display parameter LOC m4 Press the DOWN key to display 1 on the DATA display AL10 20 30 X The decimal point blinks during data change SZ Press Press the SET ENT key to display the Setup Parameter Screen 2 Setup Parameter Screen 2 a DUN Lf Press J to display Press the SET ENT key to display parameter RTH ve crt J RTH iin this case the DATA display shows the set maximum Si i input scaling value 150 RDYo tu AL10 20 30 40 INPUT ITEM lt gt to display Press the DOWN key to display 125 on the DATA display 125 ecimal point blinks during data change TETI Press the SET ENT key to accept this data for setting the maxi
20. programmable controllers of other manufacturers Standards EIA RS 485 Maximum number of connectable units 31 units Maximum communication distance 1200 m Communication method 2 wire half duplex start stop synchronization non procedural Baud rate 1200 2400 4800 or 9600 bps Data length 8 or 7 bits Stop bit 1 or 2 bits Parity Even odd or none Communication protocol PC link PC link with SUM MODBUS ASCII MODBUS RTU or Ladder PC link communication Communication protocol with a personal computer graphic panel or UT link module of FA M3 MODBUS communication Communication protocol with a personal computer SCADA Ladder communication Communication protocol with ladder communication module of FA M3 and programmable controller of other manufacturers E Standard Performance Input display accuracy 0 1 1 digit of instrument input range span Alarm action point setting accuracy 0 1 1 digit of instrument input range span For current input add the resistor error 0 1 Response speed 500 ms Time to alarm output when the input change is 10 to 90 and alarm setpoint is 50 When the alarm delay setting and hysteresis are minimum Insulation resistance 100 MQ 500 V DC between inputs alarm outputs power supply and monitor output mutually Withstand voltage 2000 V AC minute between inputs alarm outputs 1 2 3 and 4 monitor output and power supply mutually However the following is excluded 1000 V AC minute between al
21. 0 2 because the error is corresponding to the error 0 008 V 0 2 Press ate caer Press the UP key to display 0 20 on the DATA display Then press the UP or DOWN key to make fine adjustments Press A Jor to make fine adjustments adjusting the minimum monitor This completes the process for output value Follow the same procedure as above to adjust the maximum monitor output value Make adjustments to the maximum monitor output value by displaying parameter SPN The maximum output value 5 V is output forcibly After adjusting the monitor output set the MON parameter to OFF making the adjustment screen invisible Press Ea to display Display parameter MON and press the DOWN key to ese OFF display OFF on the DATA display es Press 8 Press the SET ENT key to accept the data This establishes the setting in which the monitor output adjustment screen becomes invisible 12 1 5 Using the Forced Output Function The use of the forced output function allows you to conduct operation tests for a device connected to the monitor output terminals of the MVHK This subsection describes an example of forcing a value equivalent to 50 of the output range 3 V to output when the monitor output of the MVHK is 1 to 5 V DC The procedure below begins with the condition in wh
22. 1 The decimal point blinks during i data change i Press DAT RDYo Press the SET ENT key to accept this data 12 MONITOR OUTPUT 12 1 Monitor Output Analog Monitor output analog is added only when monitor output code 6 or A is specified at the time of order 12 1 1 Setting Monitor Output In setting monitor output the maximum monitor output value RTH and minimum monitor output value RTL can be freely set within the range of the maximum input scaling value SH and minimum input scaling value SL that have been set for the MVHK For example when the MVHK range code No IN is 97 the measured input range RL RH is 4 to 20 mA DC the input scaling values displayed values SL SH are 50 to 150 and monitor output is 1 to 5 V DC setting the maximum monitor output value RTH to 125 and the minimum monitor output value RTL to 25 causes monitor output to be 1 V when input to the MVHK is 6 mA scaling value 25 as shown below OmA 20 mA Range code No 97 _ Input range of settings for H MVHK range code No 97 4 mA 20 mA RL 6 mA 18 ma RH Measured input range lt a Maximum measured input value 00 mA Minimum measured input value 50 4 00 mA SL Input scaling value Maximum input scaling value 150 Minimum input scaling value 50 25 125 RTL i RTH Maximum monitor output value
23. Display 0 2 Setting Active Color PV Display This section describes an example of setting the PV display color mode PCM to 6 high limit for PV display color change PCH to 70 and low limit PCL to 20 The procedure below begins with the condition in which the Setup Parameter Screen 2 is displayed Setup Parameter Screen 2 Press to display INPUT ITEM PCM Pa Press the SET ENT key to display parameter PCM fa P Press A Jor lt Press the UP or DOWN key to display 6 on the DATA poe to display 6 display AL10 20 30 40 The decimal point blinks during data change SET NT Press i This completes the process for setting the PV display color mode BSS Tor hana Press the SET ENT key for more than 3 sec than 3 sec This causes the Operation Parameter Screen to appear Operation Parameter Screen INPUT ITEM Press this key for SET ENT DATA more than 3 sec RDYo Press the SET ENT key to accept PV display color mode 6 apow 10 09 Aejdsip Ad 94 Bullies K When you press the SET ENT key for more than 3 sec with the Operation Parameter Screen displayed the Setup Parameter Screen 1 appears AL10 20 30 40 Setup Parameter Screen 1 Press geg jt display PCH ru i i Press LT r 2 DATA a to display 70 RDYo Press the SE
24. Model MVHK JUXKTA Digital Limit Alarm DC Input Type with Active Color PV Display IM 77J04H31 01E Contents 1 NOTICE 8 SETTING ALARM RELATED PARAM 2 MOUNTING METHODS ETERS 3 EXTERNAL WIRING 9 INPUT ADJUSTMENTS 4 PART NAMES OF FRONT PANELAND 10 SETTING ACTIVE COLOR PV DISPLAY THEIR FUNCTIONS 11 OTHER PARAMETERS 5 SWITCHING PARAMETERS 12 MONITOR OUTPUT 6 PARAMETER SETTING ORDER AND 13 TROUBLESHOOTING PRECAUTIONS 14 MAIN SPECIFICATIONS 7 SETTING INPUT RELATED PARAM ETERS Keep this manual in a safe place YOKOGAWA Yokogawa Electric Corporation IM 77J04H31 01E 1st Edition Oct 2002 MC 3rd Edition Aug 2006 YK 1 NOTICE This user s manual should be carefully read before installing and operating 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 A 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
25. NPUTATEM 7 Chapter 8 INPUT ITEM 7 Chapter 11 i High limit for PV display color change PCH LILII Alarm 4 hysteresis HY4 ULE Measured input bias BS Sets the high limit for PV limit mode or SP st Jl 7 Displayed only for 4 points of alarms This parameter is set to correct a measured deviation mode of Active color PV display Rove HH Sets the hysteresis of alarm 4 input value SETIENT Palio 203040 SET ENT SET ENT i 2 Chapter 10 p J Chapter 10 Low limit for PV display color change PCL ant A PV display color mode PCM i Sets the low limit for PV limit mode or SP is displayed when the PV display color mode PCM has been set to 6 7 8 or 9 Sets the Active color PV display i Li deviation mode of Active color PV display os EA H AL10 203040 2 Chapter 8 SET ENT i INPUTATEM Chapter 83 amp i Alarm ON delay OND E g Chapter 11 Sets the condition monitoring time from the Economical mode time ECO i i establishment of alarm conditions to its This parameter is set to extinguish the display output not including the READY and alarm lamps if no S a Chapter caer keystroke is made for a specified time ection 12 1 Maximum monitor output value RTH oF Alarm OFF delay OFD j Chapieng This parameter is set pa any hats m S Sets the condition monitoring time from the Input adjustment reset RST the maximum output value with respect to g establishment of return to normal conditions Used t
26. T ENT key to display parameter PCH INPUT ITEM Press the UP or DOWN key to display 70 on the DATA display g A102030 40 The decimal point blinks during data change SET ENT Press e This completes the process for setting the high limit for PV display color change Press the SET ENT key to accept the high limit for PV display color change 70 Press to display PCL Press or 7 to display 20 Press the SET ENT key to display parameter PCL INPUT ITEM or I wore ff AL10 20 30 40 Press the UP or DOWN key to display 20 on the DATA display ol The decimal point blinks during data change i Press This completes the process for setting the low limit for PV display color change Press for more Press the SET ENT key for more than 3 sec than 3 sec This causes the Operation Parameter Screen to appear Press the SET ENT key to accept the low limit for PV display color change 20 eBueyo 10 09 Aejdsip Ad 104 Syw moj pue UBiy y uias Co the Operation Parameter Screen IM 77J04H31 01E 3rd Edition 2006 08 31 00 11 OTHER PARAMETERS 11 1 Setting Ranges and Factory Set Values Setup Parameter Screen 1 Parameter Factory Set Symbol Parameter Name Setting Range Value I _ VF Key lock 0 With
27. arm outputs 1 and 4 and alarm outputs 2 and 3 and between inputs and monitor output For 2 points of alarms alarm outputs 3 and 4 are excluded Power supply voltage 24 V DC 10 100 240 V AC DC 15 10 50 60Hz Power consumption 24 V DC 3 0 W 110 V DC 2 4 W 100 V AC 3 9 VA 200 V AC 5 3 VA Effect of power supply fluctuation 0 1 of span or less for the fluctuations within the allowable range of each power supply specification Effect of ambient temperature change 0 2 of span or less for a temperature change of 10 C E Mounting Appearance and Environmental Conditions Construction Plug in type Material Casing ABS resin black UL94 V 0 Socket Modified polyphenylene oxide resin including glass fiber black UL94 V1 Mounting method Wall or DIN rail mounting Connection method M3 5 screw terminal for input output and power supply 3 pin 2 piece connector for monitor output External dimensions 51 W X86 5 H X 133 D mm including a socket Weight Main unit approx 270 g Socket approx 80 g Operating temperature range 0 to 50 C Operating humidity range 5 to 90 RH no condensation Operating conditions Avoid installation in such environments as corrosive gas like sulfide hydrogen dust sea breeze and direct sunlight E External Dimensions Receiving resistor il 2 4 5 Mounting hole depth 24 5
28. ces cu Maximum input SL 1 digit to 9999 100 0 I rt scaling value SH The setting range depends on the setting of the decimal point position SDP Ci Minimum input 1999 to SH 1 digit 0 0 I L scaling value SL The setting range depends on the setting of the decimal point position SDP i 1 The factory set values for the input signal code 6 are as follows Range code No 92 maximum measured input value 5 00 and minimum measured input value 1 00 The factory set values for the input signal code A are as follows Range code No 97 maximum measured input value 20 00 and minimum measured input value 4 00 7 3 Setting Input Related Parameters This section describes an example of setting the range code No IN to 97 measured input range RL RH to 4 to 20 mA DC the decimal point position of input scaling value SDP to 0 with no decimal place and input scaling values SL SH to 50 to 150 AN NOTE Note that setting the range code No IN to a value other than those specified in Section 7 2 is invalid yp When the power is turned on the PV screen of the Operation Operation Parameter Screen Parameter Screen appears Press AL10 20 3040 more than 3 sec this key for Setup Parameter Screen 1 When you press the SET ENT key for more than 3 sec with the Operation Parameter Screen displayed the Setup Para
29. cimal point position of scaling value SDP ma p p g a Displayed only for 4 points of alarms i aL Displayed only for 4 points of alarms s ae i i DTA Gan irani ets the position of the decimal point of the RDYo TILI Sets the alarm 3 setpoint i A Sets the direction of alarm 4 action input scaling value displayed value i i alio 203040 SET ENT i l women Chapter 8 af Chapter 8 aCe COL Alarm 4 setpoint A4 Fd E Alarm 1 hysteresis HY1 Maximum input scaling value SH i Ww PORE Displayed only for 4 points of alarms 9 Sets the hysteresis of alarm 1 This parameter is set to display any value as roe L Sets the alarm 4 setpoint ae the maximum measured input value inthe B anD20s040 f sevent seent PV display i at ee Chapter 8 2 Chapter 7 al E E E a Alarm 2 hysteresis HY2 Minimum input scaling value SL s st AL Sets the hysteresis of alarm 2 This parameter is set to display any value as ol ror HH the minimum measured input value in the PV S l ao a 40 ot oy display i S INPUTATEM Chapter 8 If the alarm action AL1 to AL4 is set to OFF the relevant alarm i bea Alarm 3 hysteresis HY3 setpoint A1 to A4 is not displayed yy ve Displayed only for 4 points of alarms Re HH Sets the hysteresis of alarm 3 l i is displayed when the monitor output analog has been specified A es 40 ery i y s INPUT ITEM Chapter 10 4 10 I
30. ication error will be cleared Decimal point Communication y Normal Normal blinks error IM 77J04H31 01E 3rd Edition 2006 08 31 00 14 MAIN SPECIFICATIONS E Model and Suffix Codes Suffix Codes Description 0 Digital Limit Alarm DC Input Type General use type JK12 type The terminal assignment is same as that of Yokogawa s JK12 and MHKW Always 0 24 V DC 10 100 240 V AC DC Operating range 85 to 264 V AC DC Power Supply 1to5VDC 4 to 20 mA DC with 250 Q receiving resistor DC voltage or DC current signal Custom order Input Signal Alarm output transfer contact 1a1b 2 points Alarm output NO contact 4 points Output Signal 1to5VDC 4 to 20 mA DC Communication function RS 485 No monitor output Monitor Output Always 0 With 100 Q receiving resistor Optional Specification With 250 Q receiving resistor Without socket E Input and Display Number of inputs 1 point Input signal Set the measured input range within the instrument input range Refer to Section 7 2 Input resistance For voltage input 1 MQ 100 kQ during power off For current input 100 Q or 250 Q with external receiving resistor Specify at the time of order Input scaling displayed value 1999 to 9999 Decimal point position can be set PV measured value display 4 digit 7 segment
31. ich parameter MAN is displayed with the MON parameter set to ON in the Setup Parameter Screen 2 Setup Parameter Screen 2 When this parameter MAN is displayed the MVHK forces iai The minimum output value the monitor output value to be output regardless of input tf A i i i nan 1 V is output forcibly wor fA Pressing causes Press the UP key to display 50 0 on the DATA display 19203040 the output value to increase INPUT ITEM The value equivalent to pg z p VIFTIT _ 50 of the output range RDYo ug 3 V is output forcibly AL10 20 30 40 while this parameter is displayed on the screen 3 V is output forcibly The MVHK continues to output After completion of the forced output return the MON parameter setting to OFF making the adjustment screen invisible A IMPORTANT After performing monitor output adjustments or forced output always set the MON parameter to OFF making the adjustment screen invisible If the Setup Parameter Screen 2 is switched while the MON parameter is set to ON displaying parameter MAN ZER or SPN causes a value corresponding to the set value to be output forcibly Furthermore if the power is turned off while parameter MAN is displayed the set values will be initialized 12 2 Monitor Output Communication Monitor output communication is added only when the monitor output code P is
32. lay A1 y PE 3 The setting range depends on the setting of the f z Kaa 3 Loui Alarm 3 hysteresis decimal tH ee SDP 9 Press A or Lz Press the UP or DOWN key to display a low limit alarm fe naii HY3 p p to display 0 value 0 value corresponding to 25 of the scaling 3 value that is set to the DATA display v LILILI Alarm 4 hysteresis Hepes point blinks during 2 ul I 1 HY4 INPUT ITEM 3 ry ae g _ _ Alarm ON delay Setting range 0 to 999 sec UU Press s Press the SET ENT key to accept low limit alarm 0 a LIIILI OND Setting resolution 1 sec Rov H S AL10 20 30 40 This completes the process for gi _f Alarm OFF delay Setting range 0 to 999 sec setting the alarm 1 setpoint LII Lt OFD Setting resolution 1 sec V C Setpoint 1999 to 9999 M SP Within the range of set input scaling values The setting range depends on the setting of the P decimal point position SDP Setup Parameter Screen 1 i lt Alarm Action Type Codes gt pir Press 2 Joo Press the UP or DOWN key to display 5 on the DATA e Alarm Action Type Code wm to display 5 display Ei Without Stand by With Stand by alia 203040 The decimal point blinks during Action Action data change i a Alarm Type Alarm Action Energized De Energized LILI t Press 35 Press the SET ENT key to accept alarm 1 hysteresis 5 A under energized under st i z Normal under Normal me 5 This completes the process for g C
33. m 2 to alarm 4 can be set E Factory Set in the same way as the procedure below Somba Parameter Name Setting Range A The alarm setpoints setpoint set when setting a deviation alarm and hysteresis are 2 based on the set input scaling values j l Alarm 1 setpoint 1999 to 9999 20 0 For example if the input scaling values are 50 to 150 to set the low limit alarm value to A1 Within the range of set input scaling values 25 of the measured input range set the low limit alarm value to 0 m1 Alarm 2 setpoint The setting range m the setting of the 2 points of alarms 80 0 vim decimal point position SDP L A2 PONE WRON A Power ON When the power is turned on the PV screen of the ov Alarm 3 setpoint Operation Parameter Screen appears wo A3 70 0 Operation Parameter Screen Ou Alarm 4 setpoint INPUTITEM Whe
34. mA S display This causes parameter AL and the scaling value corresponding to the measured value 8 mA to appear alternately Press the UP or DOWN key The decimal point blinks Press the SET ENT key The value before adjustment 2 appears on the DATA display mon g Press 8 AL10 20 30 40 Press the SET ENT key to display the next parameter BH OU In this case the DATA display shows the set maximum co input scaling value 150 ma Cn RDYo I AL10 20 30 40 bH DATA mn 100 ILI i The decimal point blinks during data change Press the DOWN key to display 100 on the DATA display Press 7 to display AL10 20 30 40 Press the SET ENT key to accept this data Press the SET ENT key to display the next parameter i Using the voltage current standard apply 16 mA input to the MVHK Press 5 Press 5 1 The measured value and 1 parameter AH are displayed This causes parameter AH and the scaling value 7 altemately corresponding to the measured value 16 mA to appear l alternately HIH Press S or 7 lt Press the UP or DOWN key w OO Ta a10 2030 40 The decimal point blinks The decimal point blinks Press the SET ENT key Press i By The value before adjustment
35. meter Screen 1 appears INPUT ITEM AL10 203 Press Press v 0o40 data change The decimal point blinks during to display LOC to display 1 i Press SET ENT Le J Setup Parameter Screen 2 Getup Parameter Screen 2 T T a P Iri AL10 203 AL10 20 30 4 Press g g to display 97 or 7 data change o40 TE decimal point blinks during SET ENT Press eo setting the ran This completes the process for ge code No SET ENT Press p Press the SET ENT key to accept range code No 97 RDYo g g AL10 203 Press SET ENT amp mm LILI 040 data remains the same because the value This completes the process for setting the max measured input Press the SET ENT key to accept the data as is because the initial value for the range code No 97 is 20 00 The next i parameter RL appears because no data has been changed Press the SET ENT key to display parameter LOC Press the DOWN key to display 1 on the DATA display Press the SET ENT key to display parameter IN in the Setup Parameter Screen 2 Press the UP or DOWN key to display 97 on the DATA display Press the SET ENT key again to display parameter RH poo ebuel y Huas INPUT ITEM U DATA RDYo I L
36. mum This completes the procedure monitor output value Press the SET ENT key to display the next parameter Press S INPUT ITEM _L Press sg J to display rL RTL DATA cfr al Press the SET ENT key to display parameter RTL In this case the DATA display shows the set minimum input scaling value 50 RDYo AL10 203040 INPUT ITEM LI Press to display ril Ed Borel get Cc a The decimal point blinks auring i AL10 20 30 40 data change Press the SET ENT key to accept this data Press the UP key to display 25 on the DATA display Press This completes the procedure for setting the minimum monitor output value 12 1 4 Adjusting Monitor Output 1 Instruments for adjustment Voltmeter Yokogawa s 7562 or equivalent 1 e Precision resistor of 250 Q 0 01 1 W 1 2 Output adjustments Connect each instrument as shown below Socket Main unit Power supply 7 L SUPPLY g N Monitor output 1 j 5 tr Voltmeter R 250 Q precision resistor for current outpu E 3 Adjusting monitor output The following describes an example of adjusting an error when the minimum monitor output value measured value is 1 008 V an error of 0 008 V with the MVHK monitor o
37. n the SET ENT key is pressed for more than 3 sec mt A4 80 0 Ea Press this key for with the Operation Parameter Screen displayed the Setup DATA J more than3sec Parameter Screen 1 appears with parameter AL1 abve dishlaved Setup Parameter Screen 1 Magan san l ane Setup Parameter Screen T E S Parameter Parameter Name Setting Range sc es IneuTmTEM Symbol US Press 2 Jor 7 Press the UP or DOWN key to display 12 on the DATA Al i Alarm 1 action See the Alarm Action Type Codes table to display 12 display p n AL1 AL10 203040 The decimal point blinks during ft 1 Alarm 2 action INPUTITTEM Press the SET ENT key to accept alarm 1 action 12 fe ILE AL2 H i l Press 5 a m a Alarm 3 action DATA T 1A Ts conpsies tepasi Then to set the alarm setpoint press the SET ENT key for z mL a AL3 ETE setting the alarm 1 action more than 3 sec to display the Operation Parameter 3 z Screen To set the hysteresis parameter and successive Hl 4 Alarm 4 action Press amp Ifor more settings press the SET ENT key to display the next AL4 lt b than 3 sec parameter 2 Liig 4 Alarm 1 hysteresis 0 to 9999 V fet t HY1 The value resulting from adding a hysteresis Operation Parameter Screen 7 Alarm 2 hysteresis value to an alarm setpoint should be within the STET i 41 Press the SET ENT key to display parameter A1 o H H HY2 range of set input scaling values Press 4 to disp
38. o reset an input adjustment value the input scaling value a to its output l l Section 12 1 Chapter 8 sO i a i S Setpoint SP Em i Chapter 9 Minimum monitor output value RTL S f Pee x i Input adjustment point LOW BL H This parameter is set to treat any value as 2 When using a deviation alarm this s 4 a j p dnai i the minimum output value with respect to the oy parameter is set to the value treated asthe ets ile Telerence value coresponeng 2 input scaling value reference for deviations l 0 el the input when an input adjustment is ol made zl Chapter 11 vi 2 Key lock LOC i neumen Chapter 9_ al This parameter is set when change of parameter ot jel Input adjustment LOW AL f settings all parameters or parameters other than the i vt L Adjusts the 0 value of an input DJ operation parameters is locked to prevent wrong A DATA nn operations 2 Rove LILI i INPUT ITEM Section 12 2 p 5 i aio 203040 SET ENT orc icati s i 2 rai Communication protocol PSL Ei a inpuTireM Chapter 9_ amp DA py Sets the communication protocol a iL LI Input adjustment point HIGH BH H rove LI Press the DOWN key to display 1 Pe LI l S FA Sets the reference value corresponding to nage a on the DATA display and then press gi e LILI 100 of the input when an input adjustment INPUTITEM Section 12 2 Press this key the SET ENT key Fe aio203040 seven is made i H g r Communication address ADR for more than 3 sec me
39. ondition Normal Condition AL10 203040 setting the alarm 1 hysteresis n Condition i Hysteresis Press Eio display Press the SET ENT key to display parameter OND PIRN B OND PV high limit Normal Alarm alarm PV INBUTITEM o Alarm setpoint an g Press amp Jlor Press the UP or DOWN key to display 5 sec onthe oma Fl to display 5 DATA display E Hysteresis aio 2030 40 The decimal point blinks during i F o i H data change v PV low limit Alarm Normal ERT ou 2 alarm PV ona Press 2 Press the SET ENT key to accept alarm ON delay 5 3 Alarm setpoint move 5 This completes the process for i sec 2 aaao setting the alarm ON delay o Hysteresis Press the SET ENT key again to display parameter 2 e e Press OFD lt Deviation i i V high limit Normal Alarm alarm PV A i iei i Press amp lol 7 Press the UP or DOWN key to display 5 sec onthe fy Setpoint Deviation setpoint to display 5 DATA display 2 P 5 Hysteresis AL10 20 30 40 The decimal point blinks during E ii r data change f F Deviation INPUT ITEM f low limit Alarm L Normal E JS Press 5 Press the SET ENT key to accept alarm OFF delay 5 z alarm 7 L1 uf sec 3 B RDYo 5 This completes the process for o Deviation setpoint Setpoint mazopa Setting the alarm OFF delay 7 a _ Hysteresis Hysteresis Press 23 for more Press the SET ENT key for more than 3 sec a Deviation lt
40. out lock All parameters can be set 0 LUL LOC 1 Parameters other than the operation parameters cannot be changed 2 All parameters cannot be changed 1 This moves to the Setup Parameter Screen 2 Setup Parameter Screen 2 Parameter Parameter Name Setting Range Factory Set Symbol Value h G a input bias 1999 to 9999 0 VF _ Economical mode 0 Continuous no display OFF function 10 LLLI time ECO 1 to 60 minutes 11 2 Setting Key Lock This section describes an example of locking keys so that parameter settings other than the operation parameters cannot be changed The procedure below begins with the condition in which the Setup Parameter Screen 1 is displayed Setup Parameter Screen 1 Press I to display Press the SET ENT key to display parameter LOC EJ ee Press A to display J INPUT ITEM Press the UP key to display 1 on the DATA display al10 20 30 407 The decimal point blinks during data change Press 11 3 Setting Economical Mode Time Setting economical mode time allows indications on the PV display to be extinguished if no keystroke is made within the set time The MVHK s power consumption in the OFF mode is approximately 0 5 W or 1 VA during normal operations non alarm status This section describes an example of setting the economical mode time to 5 minutes factory set value 10 minutes The
41. procedure below begins with the condition in which the Setup Parameter Screen 2 is displayed Setup Parameter Screen 2 Press Fe to display ECO Tr Press to display Press the DOWN key to display 5 on the DATA display Lo LY BY aa E AL10 20 30 40 The decimal point blinks during data change Press 5 N NOTE The economical mode is temporarily released at the time of PV display color change and the PV display lights up After the set economical mode time elapsed from the time of returning to normal operation the economical mode operation begins again Press the SET ENT key to accept this data Press the SET ENT key to display parameter ECO oma mn 29 EE Press the SET ENT key to accept this data 11 4 Setting Input Bias This section describes an example of correcting an error by setting input bias if there is an error of 1 in the MVHK scaling value displayed value with respect to the measured value The procedure below begins with the condition in which the Setup Parameter Screen 2 is displayed Setup Parameter Screen 2 Press fsx to display Press the SET ENT key to display parameter BS SY eter Press A to display Press the UP key to display 1 on the DATA display nyo INPUTIT x 5 I alio 20 30 40
42. r Screen 1 F 4 Setup Parameter Screen 2 hapter 8 Displays a measured value scaling value Alarm 1 action AL1 Range code No IN In this manual this screen is called the PV Sets the direction of alarm 1 action Sets the range code number input type measured value screen i lio 203040 SEVENT SETIENT i 4 SET ENT i wm ka ENGE ka Alarm 2 action AL2 ETG a E ce lv 0 Alarm 1 setpoint A1 i arm a6 ion LI i i i ate i Maximum measured input value RH wae Sets the alarm 1 setpoint Sets the direction of alarm 2 action 3 A aan point i Sets the maximum value of the measured irovo LILI input range 100 i i ano EE 40 ey es INPUT TEM OEGE Chapter 8 Chapter 7 00 Alarm 2 setpoint A2 Alarm 3 action AL3 an g Wwe F 3 A Minimum measured input value RL Lo Sets the alarm 2 setpoint ae Displayed only for 4 points of alarms E DATA l Sets the direction of alarm 3 acti Sets the minimum value of the measured rove Jiji ets the direction of alarm 3 action input range 0 i aD saan 40 ey i NpUTITEM Chapter 8 meur Chapter 8 Cae ap Alarm 3 setpoint A3 i IEI Alarm 4 action AL4 i De
43. 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 device CHECKING THE PRODUCT SPECIFICATIONS AND THE CONTENTS OF THE PACKAGE 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 ordered In checking the model and suffix codes refer to the main specifications listed on the last page of this manual 2 Contents of the Package Check that the package contains the following items e MVHK 1 e User s manual this manual IM 77J04H31 01E 1 Accessories Tag number label 1 sheet e Range label 1 sheet e Spacer 1 used for DIN rail mounting e Receiving resistor 1 supplied when the input signal code A optional specification code R100 or R250 is specified 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 6619 3 EXTERNAL WIRING A 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 carrying out wiring work CAUTION
44. s changed Max and min measured input values RH RL decimal point position of scaling value SDP max and min input scaling values SH SL Alarm setpoints A1 to A4 hysteresis HY1 to HY4 setpoint SP Max and min monitor output values RTH RTL Input adjustment point LOW BL and HIGH BH input adjustment LOW AL and HIGH AH High and low limits for PV display color change PCH PCL Parameters to be initialized if the maximum or minimum input scaling value SH or SL is changed Alarm setpoints A1 to A4 hysteresis HY1 to HY4 setpoint SP Max and min monitor output values RTH RTL Input adjustment point LOW BL and HIGH BH input adjustment LOW AL and HIGH AH High and low limits for PV display color change PCH PCL Parameters to be initialized if the type of alarm action AL1 to AL4 is changed The alarm setpoint A1 to A4 corresponding to each alarm action AL1 to AL4 Example If AL1 is changed A1 will be initialized Parameters to be initialized if the type of PV display color mode PCM is changed High and low limits for PV display color change PCH PCL 7 SETTING INPUT RELATED PARAMETERS 7 1 Input Scaling The MVHK allows you to set any input scaling value displayed value with respect to the measured input range For example if the MVHK measured input range is 4 to 20 mA DC setting the input scaling range displayed value to 50 to 150 causes the MVHK to display 0
45. s up when the power is turned on 5 SET ENT key Used to switch parameter indication or accept a setpoint Pressing this key for more than 3 seconds allows you to select the Operation Parameter Screen and Setup Parameter Screen alternately 6 UP DOWN key Used to change the setpoint of a parameter Pressing the _ key increases a numerical value Pressing the _ _ key decreases a numerical value Holding down a key accelerates the speed of change D Monitor output terminal Two piece connector Outputs 1 to 5 V DC 4 to 20 mA DC or RS 485 communication signal To be added only when the monitor output has been specified at the time of order 5 SWITCHING PARAMETERS The ED symbol indicates a reference chapter section in this manual Operation Parameter Screen A Setup Paramete
46. specified at the time of order 12 2 1 Setting Ranges and Factory Set Values of Monitor Output Communica tion Related Parameters Setup Parameter Screen 2 Parameter Parameter Name Setting Range Factory Set Symbol Value ae tn hy 0 PC link 3 MODBUS ASCII PS sec th 1 PC link with SUM 4 MODBUS RTU eons R 2 Ladder communication 1 Communication MIM address ADR 1 to 99 1 L Or Baud rate 1 2 0 1200 bps 4 8 2 4800 bps 9 6 Or 7 BPS 2 4 1 2400 bps 9 6 3 9600 bps 9600 bps m_i Parity NON 0 None ODD 2 Odd EVN Prd PRI EVN 1 Even Even CL m Stop bit be Fg STP 1 or 2 bits 1 Jj Data length on DLN 7 or 8 bits 8 12 2 2 Setting the Communication Related Parameters When the power is turned on the PV screen of the Operation Parameter Screen appears Operation Parameter Screen yy Press this key for When you press the SET ENT key for more than 3 sec ILI more than 3 A with the Operation Parameter Screen displayed the iai Setup Parameter Screen 1 appears AL10 20 30 40 Setup Parameter Screen 1 gt Press the SET ENT key to display parameter LOC Press fse jy to display INPUTATEM __ ya LOC I T F L LIL Press S to display Press the DOWN key to display 1 on the DATA display Rove l S ee AL10 20 30 ak The decimal point blinks during data change
47. tion 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 E Monitor Output Analog Output Output signal 1 to 5 V DC or 4 to 20 mA DC Allowable load resistance 2 kQ or more for 1 to 5 V DC 350 Q or less for 4 to 20 mA DC Output variable range 6 to 106 Output scaling Set any value within the set input scaling value displayed value Output accuracy 0 1 of output span However the accuracy is limited in the following cases according to the scaling setting When the input range corresponding to the output scaling is less than 5 V in the instrument input range H 0 1 X 5 V Corresponding input range V Accuracy When the input range corresponding to the output scaling is less than 2 5 V in the instrument input range M 0 1 x 2 5 V A i ccuracy Corresponding input range V ee When the input range corresponding to the output scaling is less than 0 5 V in the instrument input range L 0 1 x 0 5 V Corresponding input range V Accuracy For current input apply the value input range X input resistance to the above and add the resistor error 0 1 Communication Output RS 485 The MVHK can be connected to a personal computer graphic panel Yokogawa s programmable controller FA M3 or
48. uren Chapter 9 w AI Sets the communication address HEILI Input adjustment HIGH AH i ie Lit fe int Adjusts the 100 value of an input AL10 203040 SET ENT L z rove HEHH P e Section 12 2 INPUTATEM Section 12 1 ig ALIO A Ea Baud rate BPS rh ae Visibility of monitor output adjustment screen MON Is v sa Sets the baud rate EENEN Sets the visibility of the screen for adjusting monitor E ee a ee output Pressing the SET ENT key with ON Ss a displayed on the DATA display causes the z a C O D G T adjustment screen to appear 2 AH z displed OD ie cispiayoainneni th INPUTATEM g Section 12 2 iea z E E nhen the monitor monitor output RS 485 ad Parity PRI LIL Forced output of a monitor output value MAN S H parpat ancy nas communication PA f vr Sets the parity rst Used to force a value equivalent to 25 to 125 2 Gb j DATA Ha pal g g of an analog output value to output regardless of A eee A input AL1O 203040 SET ENT AL10 20 30 40 SET ENT SET ENT pie cad Section 12 2 eaa 2 Section 12 1 5 Ay NOTE Yeo Stop bit STP aay T JIcr Sets the stop bit er Pk utput Zro os race EER i oe If no keystroke is made for more than 2 minutes DATA 1 DATA 7 justs the zero point ot the monitor output P hse the PV screen automatically appears regardless nove l rovo LILILI Kites ae 3eec Of the parameter displayed In this case if a data A10 ao ao ao change is in progress the decimal point is INPUTTEM Section
49. utput set to 1 to 5 V DC The basic adjusting procedure for the maximum monitor output value is the same as that of the minimum monitor output value perform it by referring to the procedure below The procedure below begins with the condition in which the Setup Parameter Screen 2 is displayed IM 77J04H31 01E 3rd Edition 2006 08 31 00 The MVHK 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 Setup Parameter Screen 2 Press 5 to display Press the SET ENT key to display parameter MON MON INPUT ITEM Press A todisplay Press the UP key to display ON on the DATA display ON a Press sr Press the SET ENT key to accept the data AL10 20 30 40 the monitor output adjustment This establishes the setting in which screen becomes visible Press se to display Press the SET ENT key twice to display parameter ZER ZER i INPUT ITEM When this parameter ZER is displayed the MVHK forcibly outputs The minimum output value the minimum monitor output value 0 regardless of input 1 V is output forcibly Measured value 1 008 V Reference value 1 V Error x 100 Output span 4 V AL10 20 30 40 iiai Displays a correction value The monitor output is corrected by
50. wet Press Ls LI to display 4 0 AL10 20 30 40 data change INPUT ITEM The decimal point blinks during i I P SET ENT ress z rL ka DATA AII Giit LILI AL10 203 o40 P input value This completes the process for setting the minimum measured Press SEVENT Press the UP key to display 4 00 on the DATA display Press the SET ENT key to accept this data s njen jndu peinseew ul pue xew y umes Press the SET ENT key again to display parameter SDP K uonisod julod pewoap au Huas INPUT ITEM ar i o l ress the ey to display 0 on the isplay L i I Press _7_ to display o Press the DOWN key to display 0 on the DATA displ DATA i m i RDYo uh ALO 20 30 Cr Ee decimal point blinks cure data change INPUT ITEM E ACI Press 57 Press the SET ENT key to accept this data Ion ka 7 j ote H This completes the process for PEEN setting the decimal point position Press S Press the SET ENT key again to display parameter SH INPUT ITEM L H Press to display 150 Press the UP key to display 150 on the DATA display me d5 j AL10 20 30 40 The decimal point blinks during data change INPUT ITEM cu Press Press the SET ENT key to accept this data

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