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Contents
1.2. mm 65 48 M3 Snnt oo o 6 O 1 O
3. 15m E 10 10 9mm J1 AC100 200V
4. V OUT AUTO MANUAL OUT OUT IN man IN OUT O AUTO MANUAL MANUAL OUT OUT 0 0
5. m a 1 C60 1 enter 1 enterl 2 1 ON 2 MFB
6. 1 58 enter 2 lt V A enterl 1 gg enter 2 lt V A 1 enter m 3 DI3 19 24 ON OFF DI3 OFF ON
7. i 1 2 3 1 2 3 e 1 O 2 AJME IN OUT MEFB OUT out man MANUAL evl ev3 ON opn cls ON 3 O a m 1 AUTO MANUATL display O lt V AF
8. AL07 AL10 C60 1 2 ma 2 Po 2000 1500 1500 35009 E 9 le CCW 1 2 3500 1500 1500 3500 1 2 GSY cls CW 1 2
9. OUT MFB OUT ee e F T 0 5A 250V 2005 2013 Azbil Corporation All Rights Reserved
10. a AL95 97 AL96 98 A D A D RAM RAM ROM ROM t IEC127 T 250V 0 5A RN748A00 tt 48mm x 96mm AC100V 240V MFB 83
11. pc 4 20ma 1 Anm door a hm IEC127 ESAE asant 5 S HRN748 A Hmmm po RI i E 81409654 001 2 ear OPEN CLOSE 4 O e 4 8 CP UM 5376 1 hi E i 1 2 gt 3 DO 5 a RED aS Ac24y DI b gt Beate open DI Ze 1 a an 2 3 1 Y y G 2 1 Y L G DI tol 2 CLOSE EN RN vn Pr _ s 1 o eee we ae pe Es S Exa GW ce 9 cow ue M3
12. MFB 7 IN OUT 50 MEA 0 0 100 0 50 0 IN OUT 0 100 Hp P 0 1 999 9 100 0 E 1 50 12mA 2 25 8mA a 100 16mA
13. 1 ON 2 MFB 240 0s 240 0s display display AL10 AL10 lt 260 gt 5s
14. para O enter 5 6s 1 2 3min era 5x para cs 2 8 y zZ tt ol od ve 1 et v an s5 Jo a e ac 0 So Co a Pa Son Blog E m m olas en 3 El ga zi l Ke 5 900 pan IOL EH t w E e E D RU RU EDIE para 2s 4smr DT display a m
15. FASB GC WW 6 5 30 1 2 D ECM3000
16. 1 ON CE2 2 ON 199 9 999 9 199 9 999 9 ON OFF HYS 0 5 ESE ON OFF 1U l AYS ON E1 MFB gt gt ON SM E2 MFB gt CE u display 1 IN 10 0 110 0 IN 10 0 110 0 2 out OUT 10 0 110 0 AUTO MANUAL MFB 10 0 110 0 0 0 100 0
17. AL07 MFB 5min J2 1 LED D AUTO MANUAL 1 2 OPEN CLOSE ON OFF Lees ON OFF
18. DC24V 40mA 1 3 Sau AC250V DC30V 2A 10 5V 10mA 0 50C 10 90 RHI AC100 240V 50 60Hz AC85 264V 50 60 2Hz 0 40 C 20 70C 10 95 RHI 12VA 2 DC500V 20M 0 2 AC1500V 1min 20A FR E RE 20ms 2000m 250g 0 4 0 6N m TARTA EN61010 1 EN61326 1 CategoryII IEC60364 4 443 IEC60664 1 Pollution degree2 81409654 001 81446915 001 81446912 001 24 100 6419 2 7 3 011 781 5396
19. 50 8mA ODE eaaa 100 i T ul 3 50 3 501 50 oon 03 25 80 109 P AmA 12mA 20mA 4mA 8mA 12mA 20mA 3 75 16mA 50 8mA ann Tare a NSE EX 4 a j Sete BORN 05 50 75 100 ADA 4mA 12mA 16mA 20mA 10 0 ae ON ON 1 4 E E 1
20. O OUT 0 1 E AUTO MANUAL a m on tler 2 1s AUTO MANUAL man LET AUTO MANUAL AUTO MANUAIL B 3 1 2 DI1 2 OPEN CLOSE OUT 10 1 LED ON OFF 1 DI1 21 24 2 DI2 20 24 OPEN CLOSE
21. Fer e 15 5 SEO B ewer pe N a CW Clock Wise na m 50cm CCW Counter Clock Wise ax HE A 30Vr m s 42 4V DC60V
22. 3 NIN pe anne 100ms 0 1 FS 1digit 23 2C 100 0 AL02 30mA 4V OFF O ON 2500 OFF 100k QUE ON 1 0V ON 7 5mA 5 0mA 250 0 200ms O O E 280 v 100 2500 Q AL07 R1 1c 2 a AC250V 8A AC250V 2A cos 0 4 DC24V 2 5A L R 0 7ms 12 10
23. 052 324 9772 2 022 290 1400 2 06 6881 3383 4 2 048 621 5070 7 082 554 0750 2 03 6810 1211 2 2 093 285 3530 ea Ox E AREA COMPO CLUB 4 B 0466 20 2143 http www azbil com jp http www compoclub com 2005 1 E 2013 8 13 F 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 Please read the Terms and Conditions from the following URL before ordering or use http www azbil com products bi order html NOTICE Be sure that the user receives this manual before the product is used Copying or duplicating this user s manual in part or in whole is forbid den The information and specifications in this manual are subject to change without notice Considerable effort has been made to ensure that this manual is free from inaccuracies and omissions If you should find an error or omis sion please contact the azbil Group In no event is Azbil Corporation liable to anyone for any indirect special or consequential damages as a result of u
24. Motor adjustment failure Motor line break incorrect supply Check wiring or wiring confirm the motor power supply readjustment A D conversion failure Parameter failure Adjustmen failure Parameter failure RAM area Defective A D converter Power turned OFF while fixing data Data corrupted due to noise etc Power turned OFF while fixing data Data corrupted due to noise etc Data corrupted due to noise etc Adjustment data failure RAM area Data corrupted due to noise etc Replace unit Restart the system Reset data or replace unit AL95 97 setting data AL96 98 adjustment data Replace unit ROM data failure ROM memory error MAINTENANCE Restart the system Replace unit Cleaning Parts replacement Fuse replacement When cleaning the RN748 use a soft and dry cloth Do not replace the parts When replacing the fuse make sure that the replacement fuse complies with all applicable safety standards IEC127 delayed cutoff speed type T rated voltage 250 V rated current 0 5 A MODEL SELECTION TABLE RN748A00 Basic model No Additions Specifications Size 48 x 96 mm 100 to 240 Vac Motor drive relay output MFB is added 3 event relay outputs 3 digital inputs No additional treatment Inspection certificate provided Complies with traceability certification SPECIFICATIONS Input D C
25. mm 30 4485 48xN 4 25 T T o alt Be ar ae 3 t x 5 Fo 3 40C a ACER TO Or e AC100 240V Ta Lo el Qe EmU CLOSES rO O Gt i 1 a i i i IBERIA Le FEN ELBA Ore m DI OD SO cm al TO asm NRN 0 O e rol ro 2 0 O a An O 4 20mA 2 CW A IN
26. Changes with the input IN Display just after switching Input IN display MV OUT display O Handling Precautions 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 E Multi Status display There are three types of display status depending on the condition Priority Condition Display status Forced operation of control output on the OPEN side or CLOSE side by disital input 1 2 DI1 2 Priority Conditions other than the above but 2 an alarm occurring Priority The whole display blinks 1 The lighted portion moves alternately right and left MV OUT is displayed in a bar graph in which one LED lights up for every 10 0 NR Conditions other than the above Priority 3 E Forced opening closing You can change the status of the control output on the OPEN side 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 Digital input 1 Digital input 2 DI DI2 Control output on the OPEN side CLOSE side status 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 force
27. ZKIA AS KCC REM A2B A032 pz jig szog SUCH 2 za 4 Specifications are subject to change without notice 09 1st Edition Apr 2005 E 13th Edition Aug 2013 F
28. asa ARNAR no item to pi op press the display or a m key to return to the E en AEL Increases and then stops Gand Yare operation display D d th ted k Eey AL10 is cleared only when motor auto adjustment has been completed Eu AN VEE 2 Setting example for position proportional control dead zone correctly or when the power is reset m Display C58 on the upper display in the setup display mode When The count value between the fully closed position and fully open Increases and then stops None TandG are S 2333046 the enter key is pressed the numerical value on the lower display will position is less than 260 Decreases and then However the MFB connected Co start to flash Move the digit and increase decrease the numeric value The fully closed count is greater than the fully open count stops value does not reversely CC by pressing the lt v A keys When the enter key is pressed at the The period of time from the fully closed position to the fully open match the motor ELA elo desired numeric value the flashing will stop and the data will be set position is less than 5 s opening 9 O 10 The MFB burnout alarm AL07 continues or occurs frequently Dactaases orincreaseis EL or none Tand Y are LP hO O Setting example for motor auto adjustment The time needed for the MFB count to stop exceeds 5 min unclear connected 8 7 Display C60 on the upper display in the setup display mode When The
29. Shows an increase like 15003500 terminals 1 and 2 have and becomes stable direct wiring No key operation for 3 min a F en or more Item Indication Contents Initial value display Motor auto 0 Stop para Pregs ne adjustment 1 Start Press the O key or O key J Operation display Setup display 100 doing auto adjustment the motor may not operate properly Proportional band 100 16 mA Proportional band 50 8 mA Shows a decrease like 3500 1500 When the motor moves Input IN disp Dead t N as Be e Motor auto adjustment procedures and becomes stable CW with 1 and 2 and 100K 100 a the O Press the O key 1 Set C60 Motor auto adjustment to 1 and press the enter key If the Shows an increase like 15003500 Gand Y connected nagon C60 is already set to 1 press the enter key twice to perform this entry and becomes stable reversely with cls lit Mai Motor 358 CEG motor terminals 1 and 2 opening opening pagg a 2 Motor auto adjustment then begins have reverse wiring 50 50 MV OUT display I auto adlustment The upper display shows and the relay on the CLOSE side is para display Press the O key turned ON ino 8888 The motor rotates in the close direction and the MFB count value is ai pio Na i 5 2 written into Fully closed adjustment value o u oo Input 05 Input Fb on The upper di
30. opening E1 setting MFB gt gt Low limit ON ENS y for motor E2 setting opening MFB gt OPERATION E Operation displays When the display key is pressed the item that is displayed changes Display mode Input IN MV OUT Upper display Lower display OFF state MV OUT Range 10 0 to 110 0 Setting disable in AUTO mode Display does not flash Setting enable in MANUAL mode diplay flashes Out lamp Input value IN Range 10 0 to 110 0 Setting disable Fb Fixed display Motor opening MFB Motor opening MFB Range 10 0 to 110 0 Setting disable for estimation flashing value fom 0 0 to 100 0 0 Handling Precautions 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 E AUTO MANUAL mode selection Press the a m key and Mar or st oF will start flashing on the lower display If the a m key is held down for 1s or longer the display stays lit up the mode switches between AUTO and MANUAL and the man lamp goes on or off When the mode switches from AUTO to MANUAL the MV from AUTO mode is retained in manual mode In MANUAL mode you can change the MV OUT using the lt v and A keys The table below shows the difference between the two modes AUTO mode MANUAL mode Can be changed manually on MV OUT the MV OUT Display main lamp OFF Lit
31. 1 DN 2 DI2 OPEN CLOSE OFF OPEN ON CLOSE fill OFF OPEN OFF CLOSE ON OPEN OFF CLOSE fill OFF O OPEN CLOSE 1 2 3 4 OPEN CLOSE 1 2 ON OFF MANUAL u Y T G 3 ON OFF ez
32. CP UM 5376JE RN748 AAA AA IA RN748 RN748 RN748 URL http www azbil com jp product cp order html
33. Caution 0 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 Use M3 crimp type terminal lugs for wiring to the terminals 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 Be careful not to allow any crimp terminals lugs to touch adjacent terminals If the motor connected to the motor drive relay output is used with a 100 200 Vac power supply the use of an external auxiliary relay is recommended If an auxiliary relay is not used thoroughly check the operating conditions operating voltage of the motor inrush current frequency of switching etc before use 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 Make sure that devices and equipment connected to this device have reinforced insulation suitable for the maximum operating voltage of this device s power supply and input output ports 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
34. MFB or open close relay has faulty wiring a Motor motion is reversely 1 Upper display Displays input values IN or settings the enter key is pressed the numerical value on the lower display will However not all faulty wiring can be detected as an error changed e Sad 2 Lower display Displays manipulated variable OUT motor opening start to flash Move the digit and increase decrease the numeric value O h a A by pressing the lt v A keys Set the value to 1 and press the enter Handling Precautions Increases and then stops 1 and 2 are MFB and other parameter values When the display 8 l RE 2 epa key and auto adjust will start The following items must be set up onl If the power to the RN748 is turned OFF during motor auto Decreases and then connected shows the manipulated variable OUT the out Y J dE 8 pony diustment of th iti tional control mot t stops reversely lamp lights up when they are changed from their defaults center setting of the rotation ecjustimentotine POSION Proportional control Motoratito i 3 Mode indicator man Lights when in manual mode angle proportional band setting motor opening high low limit event NR aa EAE ae is turned mon i Increases and then stops 1 and 2 are evl to ev3 Lights when event relays are ON setting an Ps ah ea MTEC Ng motor pectreasesand then connected 18 y hi auto adjustment of the position proportional control the auto stops reversely opn cls Li
35. current Sampling cycle Indication accuracy Input impedance Burnout indication A A 0D A llowable input current llowable input voltage igital input Input type lowable ON contact resistance A llowable OFF contact resistance A llowable ON residual voltage Terminal current ON Minimum hold time Motor feedback potentiometer input allowable resistance D etection of line break O Motor relay output model R1 Contact type Contact rating Life Minimum requirements for switching O Event relay outputs evl to 3 contact rating Life Min switching specifications Environmental conditions 00 Operating conditions Ambient temperature Ambient humidity Rated power supply voltage Power supply voltage range Transport conditions Ambient temperature Ambient humidity ther specifications Power consumption Insulation resistance D electric strength Inrush current at application of power N fa on detected power ilure time Altitude Mass Terminal screw tightening torque Applicable standards O vervoltage category Allowable pollution degree ACCESSORIES AND OPTIONAL PARTS Name Model No Mounting bracket 4to 20 mA 100 ms 0 1 FS 1digit at ambient temperature 23 2 C Max 100 Q Down scale AL02 Max 30 mA Max 4 V a higher voltage might cause device failure When the power to this controller is turned of
36. d OFF on the CLOSE side 0 Handling Precautions The table below shows the priority of control output on the OPEN side CLOSE side Priority Control output on the OPEN side CLOSE side status Priority 1 top priority Forced ON OFF operation by digital input 1 2 Priority 2 Auto adjustment Priority 3 MANUAL mode Priority 4 Normal position proportional control 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 control it is OFF in other cases Note If estimated position proportional control is activated with a high frequency the probable causes are e Auto adjustment was not implemented or failed Deterioration or insufficient resolution of the motor potentiometer Connection failure of the motor feedback input E3 ALARM CODE TABLE Failure name Input failure over range Sensor line break incorrect wiring Input failure under range Sensor line break incorrect wiring Corrective action Check wiring MEB input failure Motor line break incorrect wiring Check wiring or wiring confirm the MFB input
37. 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 If 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 Dead zone Relay on close side ON Relay on open side ON gt Control output 1 40f dead zone set value MPB E Setting the high low limit for motor opening Event output 1 goes ON when the motor opening is above the value set for the motor opening high limit event E1 Event output 2 goes ON when the motor opening is below the value set for the motor opening high limit event E2 This setting is not essential for position proportional control tem Indication Contents Initial value 199 9 to 999 9 95 0 High limit for motor opening Low limit for motor opening 199 9 to 999 9 5 0 The figure below shows the details of the event output action The hysteresis HYS for ON OFF is fixed at 0 5 Direct action Operation Shows that the ON OFF is changed at this value type O Shows that the ON OFF is changed at a point that 1U is added to this value High limit HYS ON for motor
38. ds 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 E1 3 E External Dimensions unit mm per 5 65 Mounting bracket 48 Accessory Terminal screw dpe M3 ooo lt 2 g ssss 3338 E sur S8 gt g Sess 7 Ge E Handling Precautions 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 E Panel Cutout Dimensions unit mm Stand alone mounting Gang mounting 30min 44 35 48xN 4 35 405 0 40 5 92 a 30 min I 0 Handling Precautions 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 T fuse rated at 0 5 A 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
39. ening MFB calculated from the motor feedback input gets closer to the MV OUT The figure below shows the functional blocks of the RN748 Proportional NM made 2 Input IN er setting lotor feedback inputi Motor opening signal Y 1 Y gt Event output1 gt DO Center setting of Proportional our OPEN CLOSE rotation angle band operation operation Event output2 gt DO a L gt Event output3 gt DO Selection of DI Digital input 3 gt chectieverse Open Control output motor relay output open operation DI Digital input 1 DI y Digital input 2 Close Control output motor gt relay output closing operation MOUNTING 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 30 Vr m s max 42 4 V peak max and 60 Vdc 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 rain Little mechanical vibration and shock Not close to high voltage line welding machine or electrical noise generating source A minimum of 15 meters away from a high voltage ignition device for a boiler No strong magnetic fiel
40. f the current input circuit is cut off Dry contact or open collector Max 250 Q Min 100 kQ Max 1 0 V Approx 7 5 mA in case of short circuit Approx 5 0 mA in case of contact resistance 250 2 200 ms or more 100 to 2500 Q Displays AL07 1c 2 circuits A contacts only 250 Vac 8 A resistive load 250 Vac 2A cos 0 4 24 Vdc 2 5 A L R 0 7 ms At least 120000 cycles at the rated resistive load At least 100000 cycles at the rated inductive load 24 Vdc 40 mA 250 Vac 30 Vdc 2 A resistive load Min 100 000 operations 5 V 10 mA reference value 0 to 50 C gang mounted 0 to 40 C 10 to 90 RH non condensing 100 to 240 Vac 50 60 Hz 85 to 264 Vac 50 6042 Hz 20 to 70 C 10 to 95 RH non condensing Max 12 VA 20 MO min by 500 Vdc megger between power terminal and secondary terminal 1500 Vac for one minute between power terminal and secondary terminal Max 20 A Max 20 ms Max 2 000 m Approx 250 g with the dedicated mounting bracket 0 4 to 0 6 N m EN61010 1 EN61326 1 Category II IEC60364 4 443 IEC60664 1 Pollution degree 2 81409654 001 Accessory Hard cover 81446915 001 Terminal cover azbil Azbil Corporation Advanced Automation Company 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL http www azbil com 81446912 001 CP UM 5376JE 1 0 UT amp AS AHF 1877 2M Bolt EE A SAE OMS FASHA H 722
41. ghts when the control output is ON adjustment continues TandGare 4 Multi status indicator Through the combination of lighting conditions and OPERATION PREPARATION g hack connected igi ra any rl dg OPERATION PREPARATION Hh ara output on the OPEN or GLOBE Sr ed a 5 a m key Switches between AUTO and MANUAL mode when u lecti fdi position proportional control the auto adjustment may continue Decreases or increase is Fi i or none 1 and 2 are i pushed for 1 s or more Selection of direct reverse control action Even if it does not stop the result of adjustment is incorrect It is unclear connected 6 display key Used to change the display contents in the operation You can select reverse or direct action of the RN748 by turning dital input 3 necessary to repeat the adjustment without forced ON OFF Motor motion is reversely display en display from bank setup display ON or OFF DI3 between terminals 19 and 24 Itis not possible to display the values saved for fully closed changen petore fuly Tanda a to operation display ne 3 gt z closed or opend connecte 7 lt V A key Used for incrementing decrementing numeric values Digital input 3 D13 Control action een value fully open adjustment value and full opening reversely and performing arithmetic shift operations ON e aa 8 para key Switches the display BON z 9 enter key Used to set the setup values at the start of change and For the difference betwee
42. least 30 minutes so that it attains the specified accuracy Do not connect 3 crimp terminals or more to the same terminal screw O Connection of the RN748 Power supply Terminals En pre ontrol outputs AC power supply SG ex 100 to 240 Vac LO B Motor drive relay 1 CLOSES iT O Event outputs a Feedback failure detection event RO ER Low limit for motor opening i Le Digital input High limit for motor opening DI Air 3 O O Selection of direct reverse e a Ys f 1 orced open close Motor feedback input ed openY O O Hoo Y close O D 5 SG Inputs Current O 4to 20 mA 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 A 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 t
43. lure to do so might cause fire or faulty operation Do not block ventilation holes Doing so might cause fire or faulty operation 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 Do not allow lead clippings chips or water to enter the controller case Doing so might cause fire or faulty operation Firmly tighten the terminal screws at the torque listed in the specifications Insufficient tightening of terminal screws might cause electric shock or fire Do not use unused terminals on the RN748 as relay terminals Doing so might cause electric shock fire or faulty operation We recommend attaching the terminal cover sold separately after wiring the RN748 Failure to do so might cause electric shock Use the relays within the recommended service life Failure to do so might cause fire or faulty operation If there is a risk of a power surge caused by lightning use a surge absorber surge protector to prevent fire or device failure OUTLINE OF FUNCTIONS The RN748 calculates the MV OUT for the input IN according 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 op
44. n direct and reverse action see the figure in Setting E Motor auto adjustment operation u Setting the center of rotation angle during the change example for the center of rotation and proportional band on this page This unit has functions AL07 AL10 that detect incorrect wiring to the When the center of the rotation angle is identical to the input IN the MV 10 Loader connector Not available Furthermore you can switch between direct and reverse action while running m t r nd MEB burioutor short citcuit Inthe same manner as described OUT is 50 the RN748 IR ti ri For details refer to for direct wiring the unit judges the reverse wiring as correct and does not a 6 PART NAMES AND FUNCTIONS 1 give any alarm In addition even if MFB burnout occurs the operation Setting example for the center of ratation and proportional band The following shows the key operation flow Adjustment and setting continues Item Indication Contents Initial value The tables below summarize characteristics of each wiring method when Center of rotation angle sr 0 0 to 100 0 50 0 Display when the power is turned ON Connect the RN748 controller motor and other related devices correctly motor auto adjustment is made when C60 Motor auto adjustment is set The mode indicators are lit sequentially during a period Then turn the power on and make adjustments and settings in the following to 1 Start At this time note that the moto
45. r is started from the fully closed of 5 to 6 s after the power has been turned ON while SEQUEncE osition rotated fully counterclockwise Numeric values shown in the i i both the upper display and lower display are OFF 1 Do motor auto adjustment gt 2 set the center of rotation angle gt 3 set p displ 1 y f the tabl 1 u Setting the proportional band When all mode indicators have been lit the display changes x x RER ower display column of the tables are examples 3 _ to the operation display the proportional band gt 4 set the dead zone gt 5 set the high low limit When the input IN has changed by the amount of the proportional band events for the motor opening O Correct direct wiring setting the MV OUT changes in a range between 0 and 100 The sections below show the details of each procedure For details refer to seas e Lower display marar Remarks Setting example for the center of ratation and proportional band below isplay motion E Motor auto adjustment Shows a decrease like 200051500 When the motor moves Center of rotation angle O F O 0 1 to 999 9 100 0 E Setting example for the center of rotation and Handling Precautions 3 proportional band 8 58 Be sure to execute auto adjustment If the device is used without oy a Lower display cl Remarks 1 Center of rotation angle 50 12 mA 2 Center of rotation angle 25 8 mA and becomes stable CCW with cls lit motor
46. rouble can be solved easily Therefore direct wiring is recommended where possible Direct wiring Reverse wiring o This unit o This unit 1 3 00000 RES A 2 24 Vac 24 Vac O O 20000 O 200000060 pea cw ccw cw ccw Open Close Open Close Motor Motor Cw clockwise 4 CCW counterclockwise AN 0 Handling Precautions 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 1 Oisolation Items surrounded by solid lines are insulated from other signals Power supply Current input Motor drive relay output Motor feedback input Internal Circuit Digital input 1 Digital input 2 Digital input 3 Event output 1 Event output 2 Event output 3 3 To cancel the adjustment press the display key O Alarm indications and causes due to incorrect wiring PART NAMES AND FUNCTIONS C Handling Precautions i When the para key is held down for 2 seconds or longer LoC will When motor auto adjustment starts keys other than the display key Upper Lit L werdispl Motor Alarm indication i appear This means you are at the lock setup menu Since there is which is used to cancel the adjustment cannot be operated If any display LED Hed motion
47. sing this product 2005 2013 Azbil Corporation All Rights Reserved This manual explains the handling precautions mounting wiring list of parameters and main specifications only UNPACKING Check the following items when removing the RN748 from its package Mounting Bracket 81409654 001 2 User s Manual This manual CP UM 5376E 1 SAFETY PRECAUTIONS N WARNING Warnings are indicated when mishandling this product might result in death or serious injury to the user N CAUTION Cautions are indicated when mishandling this product might result in minor injury to the user or physical damage to this product AX WARNING 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 Before removing mounting or wiring the RN748 be sure to turn off the RN748 and all connected devices Failure to do so might cause electric shock 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 A CAUTION Do not operate the keys with a mechanical pencil or sharp tipped object Doing so might cause faulty operation Use the RN748 within the operating ranges recommended in the specifications for temperature humidity voltage vibration shock mounting direction atmosphere etc Fai
48. splay shows 2 and the relay on the OPEN side is 4 mA 12 mA 20 mA 4 mA 8 mA 12 mA 20 mA 7 8 7 E of ratation angle setup turne d ON Motor opening MFB display Pi hi Sk Pla ress the O key The motor rotates in the open direction and the MFB count value 3 Center of rotation angle 75 16 mA Es the O is shown on the lower display When the counting stops the fully Proportional band 50 8 mA open adjustment is completed This count value is then written into gt i Fully open adjustment value Additionally the period of time that 100 sn has elapsed from the fully closed position to the fully open position Definition Press the O key is written into Full opening time However if this time is 240 0 s Motor Direct action 1 or longer this parameter is set to 240 0 s opening Motor opening direction on 958 When the motor auto adjustment has been completed the basic 50 A input increase ET display screen will appear i DE EES events for the motor opening poet Reverse action Press te O key E Motor closing direction on 0 o 50 7 100 Input input increase 4 mA 12 mA 16 mA 20 mA 58 Setup of low limit events for the motor opening para Press the O key E2 E Setting the dead zone tem Indication Contents initial value This is for setting the dead zone between motor opening and motor closing in position proportional control For setting reference the
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