モータドライバ直流/位置比例変換器 RN748 取扱説明書 注意 警告
Contents
1. 2005 Yamatake Corporation ALL RIGHTS RESERVED RN748 81409654 001 2 CP UM 5376 12. Q BE MORIA ES Q Q 19 z O rt KK HEDENDENET RE
3. hg 1 1 2 2 3 3 o 1 IN O 2 OUT MFB OUT out man MANUAL ev1 ev3 ON opn cls ON 3 O a m 1 AUTO MANUAL display lt V
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5. displayl a m O 1 58 enterl 2 lt V IT lenterl O 1 5 enter 2 lt V IT 1 enterl
6. 6 5 30 O SR OF O aay ACER 8 TO er AC100 240V Lo a o Fama L i CLOSES 0O O o EE HEMEL OE T O a coa TZEAN TREMO Oai i gt au i GQ y H ap ra im N D Y r T u as BA E 87 SG 0 4 lt 20mA 0 O
7. E ALO7 AL10 C60 1 2 O 2000 gt 15000 K 312 CCW cls CCW 1500 3500 1 2 O 3500 1500 E 3 IZ 1 2 GOYH cls CW
8. para BUERROU b H O enterl DW 5 6s 1 2 3min displ Er Der uO 748 8888 188 IN SO displ CO Q EESE 148 A it a LI 188 OUT para display oe o 7 0 0 0 0 Pb no LL ann IE IO p MFB displ 7 ILLL rer E 7 1 855 RW 55 paral 2s sF
9. 2500 100kQ 1 0V 7 5mA 5 0mA 2500 200ms 10 0 3 ON OFE O MFB nr en u ul a CTE AP AC250V 8A 0 0100 0 12 ral ON SN OPD 40A AC250V DC30V 2A 0 10 Cal e
10. E 1 50 12mA 2 25 8mA 100 16mA 50 8mA 100 hi 3 50 0 50 im 0 2 50 o 2P 4mA 12mA 20mA 4mA 8mA 12mA 20mA 3 75 16mA 50 8mA A EN mm a 50 50 75 100 4mA 12mA 16mA 20mA E tt gi Pi Hi Fi OPEN CLOSE em EEE A 3 displayl OPEN CLOSE 4 20mA 0 5 25 0 10 0 1 12 OMOFF ih ki 5 2 1000 3 MANUALE SE ALO02 IN 4
11. CR As tit RESNA FO PA lt 0 5A 250V EC127 M3 50cm AC100V 200V
12. 1 ON 2 MFB s PIERDA AFRO ON 2 MFB 240 0s 240 0s5 3 displayl displayl AL10 AL10 ERODI EMI 260
13. MANUAL IHRE He BER 2 DC500V 20MO I VI A 1 OUT REN ag Sm Nee E 3 TARE CRUST 20msBLR ES AUTO MANUAL os cia TR a in 250 NERO iia Ee 0 BEROU N OUT eee rises a BA ENG1O101 EN61326 999 9 es DESETIN 74 AGE CT TRE CategorylI 1EC60364 4 443 IEC60664 1 Bay po EN man RAMIS Pollution degree2 IN OUT JA RG ECH FRE ON OFF HYS 0 5 RAMEE E TE Z det RE O AUTO MANUAL ON OFF MANUAL at 81409654 0
14. OPEN ON CLOSE OFF http www compoclub com http jp azbil com 20054 1 WIRE E 2008411 H 9 J3 CP UM 5376JE RN748 Motor Driver DC to Position Proportional Control Converter User s Manual Thank you for purchasing the RN748 Before operating the product described in this user s manual please take note of the following points regarding safety Be sure to keep this manual nearby for handy reference RESTRICTIONS ON USE This product has been designed developed and manufactured for general purpose application in machinery and equipment Accordingly when used in applications outlined below special care should be taken to implement a fail safe and or redundant design concept as well as a periodic maintenance program e Safety devices for plant worker protection e Start stop control devices for transportation and material handling machines e Aeronautical aerospace machines e Control devices for nuclear reactors Never use this product in applications where human safety may be put at risk NOTICE Ensure that this user s manual is supplied to the user before the product is used Copying or duplicating this manual in part or in whole is forbidden The information and specifications in this manual are subject to change with out notice Considerable effort has been made to ensure that this manual is
15. gt 5s ALO7 MEB 5min J2 O AUTO MANUAL 1 2 OPEN CLOSE OV OFF ON OFF
16. 10 1 LED E ON OFF 1 DI1 21 24 2 DI2 20 24 _ 2 OPEN CLOSE BSE Ea 17 LU E 100 6419 2 7 3 011 781 5396 052 238 3037 OPEN OFF CLOSE 3 022 292 2004 8 06 6881 3383 4 ON 048 653 8733 8 082 554 0750 OPEN OFF CLOSE OFF a 03 6810 1211 2 093 952 1210 San um A 8 0466 20 2143 lt COMPO CLUB gt gt 1 2 D11 D12 OFF OFF ON OFF OPEN CLOSE
17. OPEN CLOSE ON OFF DC 4 20mA gt IN y y y ma 1 gt DO MU OPEN CLOSE be 2 gt DO 3 gt DO a DI 7 BILAN3 gt ER E En nn DI 1 DI gt a 2 en E 33Vr m s 46 7V DC70V
18. 30mA EZ LET 0 110 0 IN 10 0 110 0 10 0 110 0 AUTO MANUAL E Y T G ON OFF ON ON 4V
19. 2 CW O 0 O O CW Clock Wise 7 CCW Counter Clock Wise Y O ECM3000 O
20. 3 DI3 19 24 ON OFF 3 DI3 OFF ON E E 0 1 D 1 C60 1 enterl 1 enterl 2 2
21. MFB gt E Forced opening closing You can change the status of the control output on the OPEN side or CLOSE side according to the status of digital input 1 DI1 between terminals 21 and 24 and digital input 2 DI2 between terminals 20 and 24 No additional treatment Inspection certificate provided Complies with traceability certification Digital input 1 Digital input 2 Control output on the OPEN side CLOSE side status DI1 DI2 Normal operation Forced open action forced ON on the OPEN side forced OFF on the CLOSE side Forced close action forced OFF on the OPEN side forced ON on the CLOSE side Halt forced OFF on the OPEN side forced OFF on the CLOSE side azbil Yamatake Corporation Advanced Automation Company Specifications are subject to change without notice 08 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan 1st Edition Issued in Apr 2005 URL http www azbil com 9th Edition Issued in Nov 2008 A E3
22. 1500 gt 35000 E 312 CCW 1 2 O opn cls MFB CW CCW ALE Ze lt opn cls CW RE 192 opn CCW cls CW ALG D2 T Bae opn CCW cls CW Ai WE Feld opn B IN OUT 50 EE 0 0 100 0 50 0 IN OUT 0 100
23. free from inaccuracies and omissions If you should find any inaccuracies or omissions please contact Yamatake Corporation In no event is Yamatake Corporation liable to anyone for any indirect special or consequential damages as a result of using this product 2005 Yamatake Corporation ALL RIGHTS RESERVED This manual explains the handling precautions mounting wiring list of parameters and main specifications only E Unpacking Check the following items when removing the RN748 from its package Mounting oe 81409654 001 User s Manual CP UM 5376E This manual SAFETY PRECAUTIONS Warnings are indicated when AN WARNING mishandling this product might result in death or serious injury to the user Cautions are indicated when mishandling this product might result in minor injury to the user or only physical damage to this product CAUTION Q Note that incorrect wiring of the RN748 can damage it and lead to other hazards Check that the RN748 has been correctly wired before turning the power ON Q Before wiring or removing mounting the RN748 be sure to turn the power OFF Failure to do so might cause electric shock or faulty operatoin Do not touch electrically charged parts such as the power terminals Doing so might cause electric shock Do not disassemble the RN748 Doing so might cause electric shock or faulty operation O Do not operate the keys with a mechanical pencil or sharp tipped object Doing
24. the ON OFF is changed at a point that 1U is added to this value Operation type ROM failure ROM memory error e Restart the system e Replace unit Maintenance Cleaning When cleaning the RN748 use a soft and dry cloth Parts replacement Do not replace the parts Fuse replacement When replacing the fuse make sure that the replacement fuse complies with all applicable safety standards IEC127 delayed cutoff speed type T rated voltage 250V rated current 0 5A Model selection table RN748A00 Size 48 x 96 mm 100 to 240 Vac Motor drive relay output MFB is added 3 event relay outputs 3 digital inputs Accessories and optional parts Name Model No Mounting bracket 81409654 001 Accessory 81446915 001 81446912 001 Hard cover Terminal cover High limit f E Multi Status display imit tor J O HYS oN There are three types of display status depending on the condition motor opening E1 setting Display status The whole display blinks Priorit Condition Priority 1 Forced operation of control output on the OPEN side or CLOSE side by digital input 1 2 DI1 2 Priority 2 Conditions other than the above The lighted portion moves but an alarm occurring alternately right and left Priority 3 Conditions other than the above MV OUT is displayed in a bar graph in which one LED lights up for every 10 MFB gt ON 7 HYS E2 setting Low limit for motor opening
25. 01 81446915 001 81446912 001 IK OUT 0 0 OUT 1U ze oh ine E 3 1 2 DI1 2 OPEN CLOSE BC127 250V 0 5A RN748A00 48mmX96mm AC100V 240V MFB 8 3 OUT
26. 14 EEE es 5V 10mA OUT MFB 0 1 ee 0 50 0 40 m MM AUTOMANUAL a TORE ET ED am gkon def 2 AU AC85 264V 50 60 2Hz 1 ON _ 1s AUTO 2 MANUAL man BER 20 70C __ A ERORE b P je 10 95 RH AUTO MANUAL AUTO 12VA
27. 748 by turning dital input 3 ON or OFF DI3 between terminals 19 and 24 Digital input 3 DI3 Control action OFF Direct action ON Reverse action For the difference between direct and reverse action see the figure in Setting example for the center of rotation and proportional band on this page Furthermore you can switch between direct and reverse action while running the RN748 Adjustment and setting Connect the RN748 controller motor and other related devices correctly Then turn the power on and make adjustments and settings in the following sequence 1 Do motor auto adjustment 2 set the center of rotation angle 3 set the proportional band 4 set the dead zone 5 set the high low limit events for the motor opening The sections below show the details of each procedure EM Motor auto adjustment Initial value gt 4 0 Handling Precautions e Be sure to execute auto adjustment If the device is used without doing auto adjustment the motor may not operate properly e Motor auto adjustment procedures Set C60 Motor auto adjustment to 1 and press the enter key If the C60 is already set to 1 press the enter key twice to perform this entry 2 Motor auto adjustment then begins The upper display shows ALL and the relay on the CLOSE side is turned ON e The motor rotates in the close direction and the MFB count value is written into Fully closed adjustment valu
28. CP UM 5376JE RN748
29. RE BEDENDENET O o KK KEDENDENET IN OUT MFB OUT
30. T fuse rated at 0 5A 250 V IEC127 The following table shows the meaning of the symbols in the terminal wiring label on the side of the RN748 Symbols Meaning AC power supply Caution danger of electric shock Caution o Handling Precautions Before wiring the RN748 verify its model No and terminal Nos written on the label on the side of the body Inspect all wiring after wiring work for the RN748 has been completed e Use M3 crimp type terminal lugs for wiring to the terminals e Leave at least 50cm between I O lead wires and power lead wires Also do not pass these lead wires through the same piping or wiring duct e When the power supply voltage of the motor that is connected to the motor drive relay output is 100 200Vac use an auxiliary relay externally e Do not wire in the same duct for the motor drive terminals 13 14 15 and the MFB input terminals 7 8 9 and also do not use 6 core cable Doing so might cause the RN748 malfunction due to noise during motor startup operation e Devices or equipment connected to the RN748 must have basic insulation appropriate for the power supply voltage and the maximum operating voltage of the I O units e The RN748 requires a maximum of 5 seconds to start up after the power is turned ON The RN748 can be used after it has started up However it is recommended to allow a warm up time of at least 30 minutes so that it attains the specified accuracy Connec
31. d zone Initial value 0 Handling Precautions e The table below shows the priority of control output on the Specifications OPEN side CLOSE side Input 9 o E Operation displays Dead zone 0 5 to 25 0 10 0 P p ay Priority Control output on the OPEN or CLOSE side status DE currente 4 to 200A When the display key is pressed the item that is displayed or or i igital i Sampling cycle one changes Priority 1 top priority Forced ON OFF operation by digital input 1 2 Indication accuracy 0 1 FS 1 digit at ambient temperature 23 2 C ea E p Priority 2 Auto adjustment Input impedance Max 1002 This is for setting the dead zone between motor opening and motor Priority 3 MANUAL mode ee Dawn scale A102 closing in position proportional control For setting reference the Display mode Upper display Lower display Priority 4 Normal position proportional control Allowable input current Max 30mA dead zone changes when the manual output is at a constant rate The value that is obtained when the hunting of the motor stops is the minimum value of the dead zone lf exactly the minimum value is set the motor is always moving causing the service life of the motor to be extremely shortened The default setting is 10 0 With this default value as a reference the value can be set correctly by taking the control results and service life of the motor into consideration Input IN Input value IN OFF state Ran
32. e e The upper display shows AaP and the relay on the OPEN side is turned ON e The motor rotates in the open direction and the MFB count value is shown on the lower display When the counting stops the fully open adjustment is completed This count value is then written into Fully open adjustment value Additionally the period of time that has elapsed from the fully closed position to the fully open position is written into Full opening time However if this time is 240 0s or longer this parameter is set to 240 0s e When the motor auto adjustment has been completed the basic display screen will appear E2 3 To cancel the adjustment press the display key When motor auto adjustment starts keys other than the display key which is used to cancel the adjustment cannot be operated If any of the items below occurs each value is returned to its default setting before shipment and AL10 is shown as the troubleshooting process AL10 is cleared only when motor auto adjustment has been completed correctly or when the power is reset e The count value between the fully closed position and fully open position is less than 260 The fully closed count is greater than the fully open count The period of time from the fully closed position to the fully open position is less than 5s The MFB burnout alarm ALO7 continues or occurs frequently e The time needed for the MFB count to stop exceeds Smin e The MFB or o
33. ening para Press the key events for the motor opening para Press the key Motor auto adjustment 0 Handling Precautions e When the para key is held down for 2 seconds or longer LoC will appear This means you are at the lock setup menu Since there is no item to set up press the display or a m key to return to the operation display Setting example for position proportional control dead zone Display C58 on the upper display in the setup display mode When the enter key is pressed the numerical value on the lower display will start to flash Move the digit and increase decrese the numeric value by pressing the lt v A keys When the enter key is pressed at the desired numeric value the flashing will stop and the data will be set Setting example for motor auto adjustment Display C60 on the upper display in the setup display mode When the enter key is pressed the numerical value on the lower display will start to flash Move the digit and increase decrese the numeric value by pressing the lt V A keys Set the value to 1 and press the enter key and auto adjust will start The following items must be set up only when they are changed from their defaults center setting of the rotation angle proportional band setting motor opening high low limit event setting Operation preparation E Selection of direct reverse control action You can select reverse or direct action of the RN
34. ge 10 0 to 110 0 MV OUT Setting disable Range 10 0 to 110 0 Setting disable in AUTO mode display does not flash Setting enable in E Estimated position proportional control When any motor feedback input failure is detected due to a break in the Y T G lines for motor feedback input or deterioration of motor potentiometer estimated position proportional control operates If the motor feedback input failure is cleared the normal position proportional control resumes Event output 3 is ON during estimated position proportional Allowable input voltage Max 4V a higher voltage might cause device failure O Digital input Input type Dry contact or open collector Allowable ON contact resistance Max 2500 Allowable OFF contact resistance Min 100kQ Allowable ON residual voltage Max 1 0V Terminal current ON Approx 7 5mA in case of short circuit Approx 5 0mA in case of contact resistance 25002 Minimum hold time 200ms or more control it is OFF in other cases O Motor feedback potentiometer input MANUAL mode display allowable resistance 100 to 2500Q flashes Detection of line break Displays ALO7 Dead zone Es Motor opening Fixed display Motor opening MFB Note Motor drive relay output o MFB Range 10 0 to 110 0 is contact rating 250Vac 8A resistive load ge 10 Uo lf estimated position proportional control is activated with a high Life Min 120 000 operat
35. goes ON when the motor opening is above the value set for E AUTO MANUAL mode selection the motor opening high limit event El Event output 2 goes ON when the motor opening is below the value set for the motor opening high limit event tl Press the a m key and Man or gh aF will start flashing on the lower ED display If the a m key is held down for 1s or longer the display stays lit MFB input failure Motor line break incorrect Check wiring or Power consumption Max 12VA i zu Be PR up the mode switches between AUTO and MANUAL and the man lamp wiring confirm the MEB Insulation resistance 20MQ min by 500Vde megger between power terminal This setting is not essential for position proportional control goes on or off When the mode switches from AUTO to MANUAL the MV input and secondary terminal Dielectric strength 1500Vac for one minute between power terminal and Motor adjustment failure Motor line break incorrect Check wiring MK secondary terminal from AUTO mode is retained in manual mode In MANUAL mode you can wiring motor power supply confirm the motor Item Indication Contents Initial value change the MV OUT using the lt V and A keys failure power supply Inrush current at application e eat Ffar readjustment of power Max 20A High limit for motor ee a oe to The table below shows the difference between the two modes An eomversiontailurs gt Detect AID Converter Replace u
36. his unit 006900 APS e 200000 293000 O cw ccw cw ccw cw ccw CW ccw Open Close Open Close Motor Motor CW clockwise A CCW counterclockwise N Handling Precautions e Terminal numbers of the motor are sample numbers from the ECM3000 If you use a motor other than the ECM3000 make connections following the manual for the motor O WO isolation Items surrounded by solid lines are insulated from other signals Power supply Motor drive relay output Current input Motor feedback input Internal Circuit Digital input 1 Digital input 2 Digital input 3 Event output 1 Event output 2 Event output 3 Part names and functions 1 Upper display 2 Lower display Displays input values IN or settings Displays manipulated variable OUT motor opening MFB and other parameter values When the display shows the manipulated variable OUT the out lamp lights up 3 Mode indicator man Lights when in manual mode evl to ev3 Lights when event relays are ON opn cls Lights when the control output is ON 4 Multi status indicator Through the combination of lighting conditions and lighting status 3 priority groups can be displayed Switches between AUTO and MANUAL mode when pushed for 1s or more Used to change the display contents in the operation display mode Returns display fr
37. ions Relay on close Relay on open Setting disable for frequency the probable causes are Min switching specifications 24V de 40mA i i estimation flashin O Event relay outputs ev1 to 3 side ON side ON g e Auto adjustment was not implemented or failed contact rating 250Vac 30Vdc 2A resistive load value from 0 0 to 100 gt Control output Deterioration or insufficient resolution of the motor potentiometer Life Min 100 000 operations x 6 i as eee Pal a Connection failure of the motor feedback input Min switching specifications 5V 10mA reference value pe 1 4of dead zone set value O Handli P ti P O Environmental conditions MFB analing Precautions Operating conditions e MV OUT contains an error of 0 1 or less caused by factors like the center of rotation angle and the calculation of the proportional band Ambient temperature 0 to 50 C gang mounted 0 to 40 C Ambient humidity 10 to 90 RH non condensing Rated power supply voltage 100 to 240Vac 50 60Hz Power supply voltage range 85 to 264Vac 50 60 2Hz Transport conditions Ambient temperature Ambient humidity O Other specifications Alarm code table Input failure Sensor line break incorrect Check wiring over range wiring Input failure Sensor line break incorrect under range wiring E Setting the high low limit for motor opening 20 to 70 C 10 to 95 RH non condensing Event output 1
38. nit Non detected power fail re opening 999 9 OO moda MANDA mode rages a a ee u i AUTO mode MANUAL mode fixing data e Reset data or replace Altitude Max 2 000m MV OUT Changes with the input IN Can be changed manually on the MV OUT display man lamp OFF Lit Display just Input IN display MV OUT display after switching 199 9 to 999 9 e Data corrupted due to unit Mass noise etc AL95 97 setting a Adjustment data failure Power turned OFF while data AL96 98 Low limit for motor opening Approx 250g with the dedicated mounting bracket Terminal screw tightening torque 0 4 to 0 6Nem ana data adjustment data Applicable standards EN61010 1 EN61326 N Data comupted due to Replace nit Overvoltage category Category II IEC60364 4 443 IEC60664 1 noise etc Allowable pollution degree Pollution degree 2 The figure below shows the details of the event output action The hysteresis HYS for ON OFF is fixed at 0 5 Parameter failure Data corrupted due to noise RAM area etc Adjustment data failure Data corrupted due to noise RAM area etc T Handling Precautions e When power is turned on the AUTO MANUAL mode that was active before power off is retained However if the mode before power off was MANUAL mode the MV OUT is 0 0 regardless of its value before power off Direct action O Shows that the ON OFF is changed at this value O Shows that
39. nter of rotation angle Decrease or increase is unclear Motor motion is changed before fully closed or opened 1 and 2 connected reversely TandG connected reversely When the center of the rotation angle is identical to the input IN the MV OUT is 50 For details refer to Setting example for the center of ratation and proportional band Center of rotation angle 0 0 to 100 0 50 0 E Setting the proportional band When the input IN has changed by the amount of the proportional band setting the MV OUT changes in a range between 0 and 100 For details refer to Setting example for the center of ratation and proportional band below Center of rotation angle 7 0 1 to 999 9 100 0 E Setting example for the center of rotation and proportional band 1 Center of rotation angle 50 12mA 2 Cen Proportional band 100 16mA 100 Motor opening 50 Input 0 4mA 50 12mA 20mA 3 Center of rotation angle 75 16mA Proportional band 50 8mA 100 Motor opening 50 0 4mA er of rotation angle 25 8mA Proportional band 50 8mA Motor opening 50 Input 0 2 50 100 4mA 8mA 12mA 20mA Definition Input 50 75 100 12mA 16mA 20mA Direct action Motor opening direction on input increase Reverse action Motor closing direction on input increase E Setting the dea
40. om bank setup display to operation display Used for incrementing decrementing numeric values and performing arithmetic shift operations Switches the display Used to set the setup values at the start of change and during the change 10 Loader connector Not available Key operation The following shows the key operation flow 5 a m key 6 display key 7 lt v A key 8 para key 9 enter key Display when the power is turned ON The mode indicators are lit sequentially during a period of 5 to 6s after the power has been turned ON while both the upper display and lower display are OFF When all mode indicators have been lit the display changes to the operation display No key operation for 3min or more display Press the O gm para Press the key or O key Setup display 988 8888 7 Input IN display display gt LS Dead zone setup Press the Okey 5 m L a Motor auto adjustment Y o 8 0 o a ce I ca J para display Press the O key Press the O SPH Fb 888 _ lt J Q 2 2 E E g 8 m Center of ratation angle setup 4 ra Motor opening MFB display Press ne O key display Press the O 1 key AD 177 ID Proportional band setup para Press the key gg 850 Setup of high limit events for the motor op
41. osed position rotated fully counterclockwise Numeric values shown in the Lower display column of the tables are examples O Correct direct wiring Upper display Lit LED Lower display Motor motion Remarks When the motor moves CCW with cls lit motor terminals 1 and 2 have direct wiring Shows a decrease like 2000 1500 and becomes stable Shows an increase like 1500 43500 and becomes stable When the motor moves CW with 1 and 2 and G and Y connected reversely with cls lit motor terminals 1 and 2 have reverse wiring Shows a decrease like 3500 1500 and becomes stable Shows an increae like 1500 gt 3500 and becomes stable Alarm indications and causes due to incorrect wiring Upper display Lit LED CALL cls Lower display Increases and then stops Decreases and then stops Increases and then stops Decreases and then stops Decrease or increase in unclear Motor motion is changed before fully closed or opened Motor motion Alarm indication Gand Y are connected reversely TandG However the jare MFB value does connected not match the lreversely motor opening Ai or none ITandY are connected reversely Increases and then stops Decreases and then stops 1 and 2 are connected reversely Increases and then stops Decreases and then stops 1 and2 connected reversely T and G are connected reversely M Setting the ce
42. pen close relay has faulty wiring However not all faulty wiring can be detected as an error U Handling Precautions e If the power to the RN748 is turned OFF during motor auto adjustment of the position proportional control motor auto adjustment is cancelled when the power is turned ON again Even if an AUTO MANUAL mode changeover is made during motor auto adjustment of the position proportional control the auto adjustment continues If the control output on the OPEN or CLOSE side is forcibly turned ON or OFF by the digital input 1 or 2 during auto adjustment of the position proportional control the auto adjustment may continue Even if it does not stop the result of adjustment is incorrect It is necessary to repeat the adjustment without forced ON OFF e Itis not possible to display the values saved for fully closed adjustment value fully open adjustment value and full opening time Motor auto adjustment operation This unit has functions ALO7 AL10 that detect incorrect wiring to the motor and MFB burnout or short circuit In the same manner as described for direct wiring the unit judges the reverse wiring as correct and does not give any alarm In addition even if MFB burnout occurs the operation continues The tables below summarize characteristics of each wiring method when motor auto adjustment is made when C60 Motor auto adjustment is set to 1 Start At this time note that the motor is started from the fully cl
43. rain Little mechanical vibration and shock Not close to high voltage line welding machine or electrical noise generating source El A minimum of 15 meters away from a high voltage ignition device for a boiler No strong magnetic fields No flammable liquid or gas E Mounting Procedure Mounting should be horizontal so that the top is not tilted up or down more than 10 degrees The mounting panel should be steel with a thickness of less than 9 mm E External Dimensions unit mm an 65 Mounting bracket 48 Accessory Terminal screw le M3 oooo 333 o 0 0 ol 2 GO S gvad 8_0 gi ca U Handling Precautions e To fasten the RN748 onto the panel tighten the mounting bracket screws and turn one more turn when there is no play between the bracket and panel Excessively tightening the screws may deform the RN748 case H Panel Cutout Dimensions Stand alone mounting Gang mounting unit mm 30min 44 35 48xN 4 95 05 9 30min f ET US mm ale U Handling Precautions e When three or more units are gang mounted horizontally the maximum allowable ambient temperature is 40 C Be sure to provide a switch within operator reach for shutting OFF the main power supply to the RN748 in the main supply wiring Also the main supply wiring requires a time lagged
44. so might cause faulty operation Q Use the RN748 within the operating ranges recommended in the specifications for temperature humidity voltage vibration shock mounting direction atmosphere etc Failure to do so might cause fire or faulty operation O Do not block ventilation holes Doing so might cause fire or faulty operation Q Wire the RN748 properly according to predetermined standards Also wire the RN748 using specified power leads according to recognized installation methods Failure to do so might cause electric shock fire or faulty operation S Do not allow lead clippings chips or water to enter the controller case Doing so might cause fire or faulty operation Q Firmly tighten the terminal screws at the torque listed in the specifications Insufficient tightening of terminal screws might cause electric shock or fire S Do not use unused terminals on the RN748 as relay terminals Doing so might cause electric shock fire or faulty operation Q We recommend attaching the terminal cover sold separately after wiring the RN748 Failure to do so might cause electric shock Q Use the relays within the recommended service life Failure to do so might cause fire or faulty operation Q Use Yamatake Corporation s SurgeNon if there is a risk of power surges caused by lightning Failure to do so might cause fire or faulty operation Outline of functions The RN748 calculates the MV OUT for the input IN according
45. tion of the RN748 Power supply Terminals Control outputs AC power supply OD O ea 100 to 240Vac Lo a 1 Qe Motor drive relay Ee rO O Be Event outputs Feedback failure detection event Low limit for motor opening LO i Digital input High limit for motor opening i i Di LE i 3 Ed 1 Y Selection of direct reverse o 6 r 1 Forced open close Motor feedback input LO 23 lopenY D iT LO je plose e SG Inputs Current AO 4to20mA O Direct wiring and reverse wiring For wiring between the motor and the RN748 two wiring methods direct wiring and reverse wiring are provided as described below With direct wiring the motor rotates clockwise CW 4 as the output of the RN748 increases If the control task requires the motor to rotate counterclockwise as for cooling control two methods are provided as described below The wiring is the same as for clockwise rotation but the control action direction is changed on the controller Reverse wiring is used The control action direct reverse can be changed on this unit If direct wiring is used for the wiring to the motor the control action is simple to understand and trouble can be solved easily Therefore direct wiring is recommended where possible Direct wiring Reverse wiring O This unit T
46. to the selection of direct reverse control action center setting of the rotation angle and the setting of the proportional band it also controls the ON OFF status of the control output on the OPEN side and the CLOSE side so that the motor opening MFB calculated from the motor feedback input gets closer to the MV OUT The figure below shows the functional blocks of the RN748 4 to 20mA de Proportional i signal gt Input IN band setting lotor feedback input Motor opening signal y y Y H gt Event output1 gt DO Center setting A Proportional pur OPEN CLOSE rotation angle band operation operation Event output2 DO A La Event output3 DO Di o onana polation of gt Digtal input 3 gt Control cation Open Control output motor relay output gt open operation DI Digtal input 1 DI gt Digtal input 2 Close Control output motor relay output a closing operation E Location Install the RN748 in a location that fulfills the conditions listed below For common mode voltages of I O except for power supply and relay contact output the voltage to ground is 33Vr m s max 46 7V peak max and 70Vdc max Neither high nor low temperature humidity Free from sulfide gas or corrosive gas Little dust or soot Locations protected from direct sunlight wind or
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