R88S-S Series Power Unit User's Manual
Contents
1. In this calculation a 50W motor should be calculated as 100W Eg Using motors 2 sets of 50W l sets of 100W 2 sets of 200W Total amount of using motors 100 W x 3 200 W x 2 700 W Therefore we select R88S S110 which has a total wattage of 800W Required main circuit DC current of R88M S series are as follows Note In case of AC100V supply Motor Main circuit DC current AO E e E ce a R88M S05030 50W 0 64 R88M S10030 1004 1 14 R88M S20030 2004 2 3A a MES S ae 77 ee R88M S30030 300W 3 24 A _ _ _ Each rated current and instantaneous max current are shown below 2 E T s a a PORS Ye Mr T Si s Model Rated current Instantaneous 1 max current R88S S107 7A 208 sec 400A2sec R88S S110 10A 24 5A sec 600A2 sec cae ee EE PEE V EEE eRe eee Ap SASA eras 5 INSTALLATION 5 1 Unpacking Check the following when opening the package o Differences between ordered items and delivered items o Transportation damage o Misdelivery of accessory Accessories consist of the following Installation metal 2 pes 4 pes Fixing screw 1 pe Spare fuse 5 2 Installation 75 1 Outer dimensions R888 S107 POWER SUPPLY 270 270 260 Installation dimension Installation dimension for mounting on a panel for rear fixing Ze 10 5 3 Wiring 1 Earth line Noise proof c2. 0W applicable motor wattage Continuous regenerative 20W 30W absorption power Max input current AC14ACRMS AC20ACRMS Break in current 100A peak 100A peak Fuse capacity 15A 20A Weight 2 3kg 2 1kg Protection function 1 protection against short between Output terminals overload protection With fuse 2 Protection against overload with a thermal at the radiation fin 85 C 5 C Abnormal output Open contact at abnormal condition contact capacity AC120V 5A DC24V 2A 20 12 3 Model designation Indicate that power unit Series name Input power phase l as single 3 as three phase Output current capacity 07 as 7A 10 as 10A Special designation code 21
3. 110 4920 u F In case of S107 Pc 0 5 x 3280 x 1078 170 1302 19 5 J In case of S110 Pe 0 5 x 4920 x 10 170 1302 29 5 J The regenerative control circuit does not function if the regenerative energy is less than the above value When the regenerative control circuit functions the regenerative value adjusted by the smoothing condenser might be about half 1 2 of the above value 14 2 Absorption by the regenerative resistance Vr 10 PE 5 R CW R as the regenerative resistance R88S S107 40 Q 80W R88S S110 30 Q 120 In case of 5107 170 10 Pe 640 W In case of S110 _ 170 10 Pee hi However the regenerative resistance cannot absorb the above value continuously Actually average power is 20W as S107 30W as S110 for your reference A duty cycle might be 1 25 of duty time in one clycle at above calculated value a Regenerative motion 25sec 15 8 ADJUSTMENT 1 Test operation Confirmation items prior to operation see test operation item in servo driver s manual too l Reconfirm wiring for polarity in P and N at the main circuit DC current power Miswiring may instantly damage the servo driver Supply voltage should be within AC85 to 110V When a pole is to be grounded connect to FG Note For confirmation of grounding line confirm with tester etc Make a circuit to open supply power to the power unit with abnormal sign
4. OMRON USER S MANUAL MODEL R88S S107 S110 VERSION 4 POWER UNIT FOR SERVO MOTOR INDEX I Geena Seen S ee er Se u G aS SS A So eae 3 1 1 Features and construction of this unit 777777 3 Za DES a ERS Se ee Seed Se Oe a ee 4 2 1 Design for installation ae eee or Re Was 4 2 2 Installation conditions T 7T777777700770700700777777 5 3 Explanation of each section Sree messes ean 6 34V PRON pane l He PSA See eR ere eee A Lee Sa SS 6 3 2 Inner block diagran Sessi ao SSeS s 7 3 3 Explanation of terminal block 7 7 7 777 7 77 8 4 Selection of model eases D ras a ae eae ore 9 5 Installation escscsscsra cms 2 5 i ee ee 10 Sl Unpatking Sees Senso eae SS n S ERA a s 10 54 2 Ihstallation erent sare om SEs See ee eee Ss 10 bad tii Qa eRe sea ee Se eee pasi eee rer mmm a ee ra 11 6 Selection of environmental units 7 7 7 13 7 Absorption of regenerative energy 77707070000000777 14 7 1 Motion of regenerative circuit 7 77 7 77 77 14 8e AAI USt uy n esposa Sales Se sera See Seer eS eer ae 16 oy sU pe rat ian masma eee Ae AS eee Se See 17 10 Caution at operation meas inaenea ee ane sm 18 11 Trouble shooting Sesser s SuSE aus sZ a SS ee Sees 19 124 SPOOL Pi Gattis Sse a eS ae See eee EME EA 20 12 41 Generar specifications Sessa aa ee kre leans 20 12 2 Capacity Specifications asset Ta ie mm Ls 20 12 3 Model speti rica llONs nesses ama Se
5. al from the servo driver Motor axis should be free from mechanical load while in test operation If disconnection from mechanical load is not possible operate under condition allowing emergency stop 2 Input power 1 Input power to the servo driver and confirm whether there is no abnormal condition Then input power of the power unit Confirm that the LED for power indication is ON When it is not ON check supply AC power Confirm that the mail circuit DC power voltage P N is between DC120 to 185V After confirmation of above switch OFF power once The voltage charged to smoothing condenser is then radiated through regenerative circuit with 3 to 5 times flicker of generative indication LED Then confirm that the voltage between P and N terminals is less than DC40V Input main circuit AC power again and adjust the servo driver by referring adjustment item in servo driver s manual The power unit turns to less than DC40V 3 sec s after power shut off However it will take another few minutes to discharge completely Therefore be careful that short circuit of output terminals does not produce spark 16 9 OPERATION 1 Operation condition indicator These are the following two LEDs light emitting diodes for condition indication in the unit Power indication Indicates when main AC power source applies to the unit Even after shut off of main AC power slightly indicates with remaining DC output vo
6. d exceeds the regen Abnormal output works Regenera erative capacity Connect the power unit tive indication to overloaded motor ex Unable to LED works often clusively or use power advise more unit with greater capacity This is a load current limit Use power unit with greater capacity or use another power unit Blow off fuse occasionally N Normal operation 19 12 SPECIFICATION 12 1 General specification Ambient operating 0 55 C temperature Ambient operating humidity 35 90 RH without dew condensation Ambient stock temperature 10 70 C Operating atmosphere Without corrosive gases Structure Inside of a box installation type IP 30 Insulation resistance Between outer terminal and the case 5MQ or more at 500V mega Voltage proof Between the outer terminal and the case ae AC1500V 50 60Hz one minute Vibration proof JIS C0911 item B3 30 minutes 16 7Hz vibration range 3mm each X Y Z direction Shock proof JIS C0912 or equivalent 10G each 3 time at X Y Z directions 12 2 Capacity specification Item __ R88S S107 e R88S S110 Input power voltage _ Single phase AC100V 50 60Hz Allowable range of AC85V 110VCin case of 60Hz AC85 121V input voltage Required input 1 5KVA 2KVA power capacity Continuous output TA 10A current Instantaneous max 400A21 17A sec 600A t 20A sec output current Total capacity of 6004 80
7. e 21 1 GENERAL aan 1 1 AC 100V Features and configuration of this unit This power unit converts AC100V power to DC current Which it supplies to servo drivers In this S series two models are available One is R88S S107 the Other is R88S S110 Select in accordance with Qutput capacity and regenerative absorptive capacity This power unit is a trans less system which does not need a power transformer An absorption circuit for regenerative energy is mounted inside to make the system more easy Motor Encoder feedback Signal AC servo motor AC servo driver Transless power unit Features of this power unit 1 There is little ripple voltage due to built in large capacity smoothing condenser gives minimized torque ripple 2 There is little heat due to regenerative power being absorbed by a large capacity smoothing condenser 3 Stable servo characteristics by constant regenerative power control circuit referred to the power voltage 4 Compact low cost 5 No need of a power transformer thanks to break in current protection circuit 6 As applicable multi axes control System minimize total system cost 2 INSTALLATION 2 1 Design for installation 1 Outer dimensions Regenerating R88S S107 POWER SUPPLY 270 260 270 gt amp Rack mount type Rear installation dimensions installation dimensions TS SS R 2 2 Installa
8. haracteristics of this system depend on wiring of earth line We recommend the following wiring for earthing Noise filter Input AC line Serge absorber One point earth terminal sectional area 2mm or more lt aution gt 1 Do not bundle or put in together with other signal wires 2 In case of wiring inside of metal pipes metal ducts and or metal conduit connect metal surface to A as earth 2 Wire size and color Terminal Name Wire size Wire color AC Main power input 2 0 mm Yellow l blue or black as N x DC main power output A red as P Abnormal output Frame ground lt Caution gt 1 The above values are available for HIV heat resistant Wire 75 C used at ambient temperature 55 C 2 In order not to mis wire use red wire as P and blue or black wire as N for DC power output lines 11 3 Installation example AC100V 50 60Hz Ground an Q ON MCB 3 MC OFF Alarm output Emergency ber Power unit GAS es aa abnormal output stop DC power A A _ J unit S N F Mo Serge surpressor noise filte OV Power unit R885 S Servo driver Other servo driver N Servo motor Main circuit DC power R88M S 12 6 SELECTION OF OTHER ENVIRONMENTAL UNIT 1 No fuse breaker MCB Select a MCB having an applicable current value and do not use one for semiconductor and one having instantaneous cha
9. l Abnormal output Terminals for frame ground Main AC power output terminal 3 2 Inner block diagram yndjno JaKod 3q MOGI O0 amp 470367 OTIS S88U M08 0V07 I 77 0 8 8 8 Z01TS S88U aQUP STSAI 8AT CI8U383Y 13SU3PU09 Burulootu s Lee jINIITI O1 U0S 10K0d A11818u988138 7 130d e al euy jndjno Temiouqy yndut reamed gy 3 3 Explanation of terminal block Sign Name Contents Frame ground Connect low impedance earth r Qu u AC power input Input for main circuit AC terminal Supply AC 85 110V Abnormal output Inner contact opens when a radiation fin Abnormal in the unit exceeds 85 C 3 output Make a circuit to shut off input power when this functions u P DC power output This is an output terminal of DC main i DE terminal circuit to supply DC power to servo futet drivers P is positive N is negative N polarity FG Frame ground As for frame ground above 4 SELECTION OF POWER UNITS Models of power unit should be selected in accordance with the total amount of motor wattage The total amount of each power unit is as shown in the following chart ie eee X U Sas s C Power unit Total amount of applicable motor wattage R88S S107 600W R88S S110 Select a power unit according to above total amount in excess of the one using motors
10. ltage Therefore confirm that this indication is completely OFF before touching this unit Put ON when regenerative operation functions by the supply of regenerative voltage from the servo motor This also indicates by discharge voltage of the smoothing electrolysis condenser when AC power source shut off Cindicates three to 5 times Regenerative indication 2 Protection functions This unit has the following protection functions Protection function Motion Causes Main circuit fuse Blows up when an exces short between output Sive current is applied terminals to main circuit long time operation at more than the x continuous output current Temperature rise of Functions when a a radiation fin temperature of the Load current exceeds the rated value at radiation fin rises to more than 85 C by the rising temperature of high ambient temperature Load condition the main circuit rectifier or the regenerative resistance exceeds the capacity of regenerative system Use the following as protection fuse element R88S S107 MFOINM 250V 15A R88S S110 MFOINM 250V 20A Blow characteristics less than 60 minutes at 135 less than 2 minutes at 200 of the rated ampere 17 10 1 2 3 4 5 CAUTIONS AT OPERATION Never short between output terminals during operation A spark with the flow of instantaneous big current within the sm
11. oothing electrolysis condenser may occur Never misconnect DC main power output Misconnection of P from N and vise versa will damage inverter section of the servo driver Never touch terminals of the unit within one minute after shutting off AC main power as voltage remains through inner circuit Never switch ON OFF AC main power repeatedly At shortest turn power on one minute after last power switch off Otherwise the break in current protection resistance will be damaged and a inner fuse blows And as a result it will damage inner parts Never operate the unit at less than AC85V supply power source Otherwise an inner break in current protection relay will not function And as a result the inner temperature fuse will blow 18 11 TROUBLESHOOTING While in operation if trouble occurs confirm causes and execute remedies referring to the following troubleshooting guide Switch ON power Blow off of the main Indicates Power OFF circuit fuse LED o Confirm short circuit OW o Confirm fuse Too late to decrease the Flicker regenera main circuit DC output tive LED g between P and N 3 to 5 times Faulty regenerative control circuit Flicker Switch ON power Abnormal output works Regenera tive indication LED does not work often The system is using more load than the ee output current Use model power unit With greater capacity or use two power unit Loa
12. racteristics Use delay characteristics as delay 62 2 2 to 20 sec at 200 load 2 Noise filter NF GT 2150R TOKIN CORP GT 2200R F DK 3 Magnet relay Note Use a inpulse filter Mfg 15A OMRON OMRON LC1 D163A60 LC1 D253A60 4 DC power unit Voltage S82H 0124 82H 0324 98 2H 0524 5 Serge absorber ZNR RAV 201BX OKAYA ELECTRIC IND CO ERZ A20EL221 6 Serge killer MATSUSHITA ELECTRIC CO SKA Mfg 50Q to 0 5uF OKAYA ELECTRIC IND 2002 to 0 14 F OKAYA ELECTRIC IND 902 to 0 5uF OKAYA ELECTRIC IND CR 50500 CRE 50500 13 7 ABSORPTION OF REGENERATIVE ENERGY This unit has a regenerative control circuit in order to absorb regenerative energy The circuit protects from abnormal increase of DC main voltage 7 1 Action of regenerating circuit Action of regenerating circuit is as follows Motor rotation Acceleration Main circuit current gt Deceleration Main circuit voltage at AC100V input Regenerative absorption by smoothing condenser Regenerative circuit action Regenerative absorption by regenerative resistance Calculation of absorption power Regenerative absorption valve is calculated as follows 1 Absorption by the smoothing condenser Pc 0 5C VaR2 Vs J C means a capacity of the smoothing condenser R88S S107 3280 u F R88S S
13. tion conditions General specifications for installation are as follows _ n T N sa A z Operating ambient a 0 to 55 C Operating ambient humidity 35 to 90 RH without dew condensation Storage temperature 10 to 70 C De RAE QU a 1 S Ns eas ek Eee eT oe an Operating ambient environment Without corrosive gas Construction Inside an enclosure type IP 30 i Y Vibration proof JIS C O0911 IIB item 3 i 1 When you install power units and servo drivers be sure to install 2 3 4 5 in a vertical direction with the following allowance P 10 0am Servo driver unit 100mm Prepare forced cooling system in order to exceed inside temp 55 C The surface temp of the power unit may rise to max 30 C Units which may damaged by heat should be kept apart from it Be careful not to drop screws and wires in the unit while wiring and not to pour metal powder or oil after installation For installation on a board made of material other than metal leave a space 10mm or more between the rear of unit and the board 3 EXPLANATION OF EACH SECTION 3 1 Front panel Power indication Indicates when DC power supplies through P and N terminal Indicates when regenerative control circuit functions co Regenerating Fuse 10x38 MFO1NM Indication of fuse capacity 15A for R88S S107 20A for R88S S110 Terminal block Main DC power input termina
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