Miyachi IS-120B- 02 Series Operation Manual Download

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IS-120B

3. Name and Functions of Each Section

3-6

⑥

Connector

This connector is used to connect the circuit cable. Connect the other end of the
cable to the

[

PROGRAM UNIT

]

connector

IS-120B

CAUTION

Setting and change for each item cannot be done from the start signal
receiving to the weld sequence end.
If the setting is done during the weld sequence, the following screen appears.
Press

①

[TROUBLE RESET] key.

IS-120B IS BUSY OR NOT CONNECTED

Please RESET key in

Summary of Contents for IS-120B- 02 Series

Page 1: ... 11 Outline Drawing 11 1 12 Troubleshooting 12 1 to 3 EC Declaration of Conformity Thank you for purchasing the Miyachi Technos IS 120B Inverter type Welding Power Supply This operation manual explains its method of operation and precautions for use Before using read this operation manual carefully After reading save it in a proper place where you can easily access to I04M0607E 06 PROGRAM RESET TR...

Page 2: ... You may touch it only when you replace the fuse or battery When inspecting the interior of the Power Supply be sure to turn off the power source of the Power Supply and wait for at least 5 minutes Never disassemble repair or modify the Power Supply These actions can cause electric shock and fire Do not do anything other than the maintenance described in the operation manual Denotes operations and...

Page 3: ...and fire If any part needs to be repaired or replaced consult Miyachi Technos Corp or your distributor Stop the operation if any trouble occurs Continuous operation after occurrence of a trouble such as burning smell abnormal sound abnormal heat smoke etc can cause electric shock and fire If such a trouble occurs immediately consult Miyachi Technos Corp or your distributor Persons with pacemakers ...

Page 4: ...r putting things on it may cause malfunction Keep combustible matter away from the welding machine Surface flash and expulsion can ignite combustible matter If it is impossible to remove all combustible matter cover them with non combustible material Do not cover this equipment with a blanket cloth etc If such a cover is used it may be heated and burn Do not use this Power Supply for purposes othe...

Page 5: ...and places where water will be condensed Do not put a screw a coin etc in the Power Supply since they can cause a malfunction Clean the outside of the Power Supply with a soft dry cloth or one wet with a little water If it is very dirty use diluted neutral detergent or alcohol Do not use paint thinner benzine etc since they can discolor or deform the Power Supply Operate the Power Supply according...

Page 6: ...surface of acrylic cover Location IS 120B interior side surface of acrylic cover Output terminal cover Location Power supply breaker cover DANGER WHEN INSPECTING INTERNAL MAKE SURE TO TURN OFF MAIN CIRCUIT BREAKER AND WAIT FOR AT LEAST 5 MINUTES NOT TO GET AN ELECTRIC SHOCK HIGH VOLTAGE DANGER ...

Page 7: ...l and constant phase control for stable weld quality Has an interrupting function INTERRUPT to interrupt fusing current by externally inputting a displacement of the electrode etc for stable fusing Since an inverter is used the power factor is high and the power condition is stabilized Various items can be set easily by the menu selection system Applicable to inverter transformers manufactured by ...

Page 8: ... start welding To turn on this lamp WELD ON OFF key WELD ON OFF setting of program unit MA 627A and External WELD ON OFF signal must all be turned on START lamp Green LED This lamp stays lit while the start signal is input PROGRAM RESET TROUBLE MONITOR WELD TROUBLE WELD I O RS 485 INDICATOR START READY POWER WELD WELDI NG POW ER SUP PL Y IS 120B COIL IN TROUBLE RESET WELD POWER READY START WELD TR...

Page 9: ...nd OFF alternately If it is turned on READY lamp lights up and if the key is turned off the lamp goes off RS 485 connector For external communication Data Out YES NO is selectable by setting DIP switch on the internal PC board Factory default is YES This PC board is mounted rear left of the IS 120B See the figure of the bottom When the DIP switch is turned on weld time current count etc are output...

Page 10: ...ective value control Toroidal coil is an option PROGRAM UNIT connector Connects to Program Unit MA 627A Used for welding schedule setting and or reviewing monitor result Filter Cover An air filter is provided inside this cover To be removed for maintenance of the air filter See 9 Maintenance The fan motor may hurt your finger When replacing cleaning it be sure to turn off the power supply DANGER ...

Page 11: ...ker Checks trip operation of the Breaker Periodic checks are recommended Welding Transformer I O connector For connecting SENS cable of welding transformer manufactured by Miyachi Technos Corp Terminal block for welding power output This terminal block is used to connect to the input of the welding transformer Power supply breaker cover PE L3 L2 L1 U V POWER OUT 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3...

Page 12: ...key is pressed the value decreases The selected item is turned on by pressing the ON key and turned off by pressing the OFF key To switch the range for CURR RANGE See 4 8 f press ON for LOW OFF for HIGH ENTER key This key is used to write the set or changed value and ON OFF data in MA 627A After any data is set or changed be sure to press this ENTER key to write that data before moving the cursor ...

Page 13: ...er end of the cable to the PROGRAM UNIT connector of IS 120B CAUTION Setting and change for each item cannot be done from the start signal receiving to the weld sequence end If the setting is done during the weld sequence the following screen appears Press TROUBLE RESET key IS 120B IS BUSY OR NOT CONNECTED Please RESET key in ...

Page 14: ... ENTER key to go to the selected screen except MODE SWITCH screen The numbers of 1 to 11 show the paragraph No in the chapter 1 2 3 4 5 MENU POWER SUPPLY STATE COPY SETUP DATA SCHEDULE SCHEDULE MODE MONITOR MODE SWITCH MONITOR SET STEPPER COUNT HEAT INCREASE INITIALIZE 6 7 8 9 10 11 Note To go to 8 MODE SWITCH screen press MENU key and TROUBLE RESET key on the program unit panel simultaneously for...

Page 15: ... when delivered e MA 627A ROM VERSION The ROM version No of program unit MA 627A is indicated Number goes into mark and alphabet goes into mark f IS 120B ROM VERSION The ROM version No of IS 120B is indicated Number goes into mark and alphabet goes into mark When changing the output frequency of inverter be sure to check that the output frequency of inverter power supply is higher than the frequen...

Page 16: ...D SQZ WE1 COOL WE2 HOLD OFF TIME 000 000 00 00 00 00 00 CYC UP SLOPE 00 00 CYC DOWN SLOPE 00 CYC HEAT 00 1 00 1 kA PULSATION 1 GAIN 1 9 1 VALVE 1 WELD ON OFF OFF j Secondary constant current effective value control ms mode Secondary constant current effective value control CYC mode SCHEDULE 01 CTRL 1 SECONDARY RMS SQD SQZ WE1 COOL WE2 HOLD OFF TIME 0000 0000 000 000 000 000 0000 ms UP SLOPE 000 00...

Page 17: ...HOLD OFF TIME 000 000 00 00 00 00 00 CYC UP SLOPE 00 00 CYC DOWN SLOPE 00 CYC HEAT 00 1 00 1 kA PULSATION 1 GAIN 1 9 1 VALVE 1 WELD ON OFF OFF Secondary constant voltage effective value control ms mode Secondary constant voltage effective value control CYC mode SCHEDULE 01 CTRL 4 VOLTAGE RMS SQD SQZ WE1 COOL WE2 HOLD OFF TIME 0000 0000 000 000 000 000 0000 ms UP SLOPE 000 000 ms DOWN SLOPE 000 ms ...

Page 18: ... COOL WE2 HOLD OFF TIME 000 000 00 00 00 00 00 CYC UP SLOPE 00 CYC DOWN SLOPE 00 CYC HEAT 00 1 00 1 kA PULSATION 1 GAIN 1 9 1 VALVE 1 WELD ON OFF OFF Secondary constant power effective value control ms mode Secondary constant power effective value control CYC mode SCHEDULE 01 CTRL 2 POWER RMS SQD SQZ WE1 COOL WE2 HOLD OFF TIME 0000 0000 000 000 000 000 0000 ms UP SLOPE 000 ms DOWN SLOPE 000 ms HEA...

Page 19: ...0 00 00 00 CYC UP SLOPE 00 CYC DOWN SLOPE 00 CYC HEAT 10 0 10 0 PULSATION 1 GAIN 1 9 1 VALVE 1 WELD ON OFF OFF a SCHEDULE Select one of 1 to 15 for the SCHEDULE to be set Under ordinary circumstances select 1 first then select the other in order b CTRL Select one from the following six welding current control methods 0 PRIMARY RMS Primary constant current effective value control 1 SECONDARY RMS Se...

Page 20: ...of time to cool workpiece after turning off welding current WE2 Weld 2 time Length of time to supply welding current HOLD Hold time Length of time to hold workpiece after turning off welding current OFF Off time Length of time to turn off valve signal during repeated operation No repeat operation if set to 0 Only for IS 120B 03 d UPSLOPE Set the upslope time to increase the welding current gradual...

Page 21: ...ue control Effective value of voltage Constant phase control Fixed of pulse width g PULSATION Set the number of repeating time in weld time of WE2 See the figure below The welding current will flow by the set number of time h VALVE Up to two valves welding heads can be connected to IS 120B Set the valve to use i GAIN 1 9 Sets the amount of feedback correction in various controls Though 1 is normal...

Page 22: ...latest measured values in SCHEDULE 3 are displayed Since the stored measurement values are not erased even when the power is turned off they can be displayed for the next job b TIME The lengths of times of WELD1 and WELD2 during which the current was supplied are displayed As the unit of the time ms and CYC are selectable Either of them can be selected on the MODE SWITCH screen See 8 d c CURR The ...

Page 23: ... and it can be used to activate an alarm buzzer alarm lamp and so on b c a d e MONITOR SET SCHEDULE 01 CURRENT VOLT POWER PULSE WELD1 HIGH 99 9kA 9 99V 99 9kW 100 WELD1 LOW 00 0kA 0 00V 00 0kW WELD2 HIGH 99 9kA 9 99V 99 9kW 100 WELD2 LOW 00 0kA 0 00V 00 0kW a SCHEDULE Input the No of the SCHEDULE to monitor to set the schedules b CURRENT HIGH LOW Set the upper limit HIGH and lower limit LOW of the...

Page 24: ...0B are used and the contents of the memory of the first unit need to be copied to the second unit copy the data of the first unit to the memory of MA 627A temporarily then copy those data to the second unit Memory Memory M A 627A stores 2 kinds of data in its Memory and Memory respectively IS 120B Memory IS 120B stores one data independently fromMA 627A MA 627A Screen Data are not stored only by c...

Page 25: ...f MA 627A are copied to IS 120B e SCHEDULE 01 SCHEDULE 01 01 This function is used to copy the SCHEDULE welding condition IS 120B can set up to 15 schedules They are indicated as SCHEDULE 1 15 This function is also used to change the setting of SCHEDULE 1 and perform welding according to another schedule For an example SCHEDULE 2 can be set by modifying SCHEDULE 1 as follows SCHEDULE 01 SCHEDULE 0...

Page 26: ...s indicated the judgment of a monitor value is not performed In IS 120B 00 and IS 120B 02 the current during UP SLOPE and DOWN SLOPE is also monitored in the control methods excluding the Primary constant current peak value control So if the set period in UP SLOPE and DOWN SLOPE is longer than MONITOR FIRST TIME the monitored current may be displayed less than the set value In the Primary constant...

Page 27: ...e externally input For binary format see the following table SCHEDULE Schedule signal 1 Schedule signal 2 Schedule signal 4 Schedule signal 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Closed Blank Open The SCHEDULE No is determined according to the state of the schedule signals after the time to which DELAY START SET is set See the figure below Schedule signal 1 Schedule signal 2 Schedule signal 4 Sched...

Page 28: ...es is the number obtained by multiplying the number of this item by 10 Example When the system is used at 1000Hz and the above item is set to 2 the set number of weak current pulses is 2 x 10 20 Since the length of 1 pulse at 1000Hz is 0 5ms if the current is not detected for 20 x 0 5ms 10ms IS 120B judges it as non current d CURRENT MONITOR NUMBER Set the monitor value of the current which is dis...

Page 29: ... OFF INTERRUPT OFF CURR RANGE HIGH This screen shows initial settings a START SIG MODE Set the input method for the schedule signals to operate IS 120B ON Operation by pulse input If schedule signal which is longer than DELAY START SET setting is input operation is continued from SQD to HOLD If an emergency stop signal is input externally operation stops OFF Operation continued while signal is inp...

Page 30: ...s turned on OFF Step up down operation is turned off f CURR RANGE Switches the range of HEAT that is set on SCHEDULE Screen Range Current setting Power setting HIGH Initial setting Maximum setting 20 0 kA Minimum setting 00 1kA Maximum setting 20 0 kW Minimum setting 00 1 kW LOW Maximum setting 9 99 kA Minimum setting 0 10 kA Maximum setting 9 99 kW Minimum setting 0 10 kW ATTENTION In accordance ...

Page 31: ...al is not output when IS 120B finishes operation OFF End signal is output when IS 120B finishes operation i 4 START ON Four single schedules are available Only one of schedule signals 1 2 4 and 8 is acceptable If two or more schedule signals are input one of lowest number is accepted OFF Binary numbered 15 schedules are available Up to 15 schedules can be used by combining schedule signals 1 2 4 a...

Page 32: ...en this item is turned off the parity check is not performed k INTERRUPT When the interrupt function is used the current is turned off to avoid excessive displacement for example when displacement reaches a certain level in the fusing See the figure below ON Interrupt function is used OFF Interrupt function is not used When fusing current starts flowing insulation coating is melting Electrode more...

Page 33: ...ing of both schedule signal and start signal Used for inputting of only schedule signal 16 Used for parity check signal See 8 j Used for start signal 27 Used for weld count signal for WELD COUNT function See 7 e Used for INTERRUPT signal SQD WE1 HOLD SQZ WE2 COOL T1 START input WE1 STOP input INTERRUPT input When WE1 STOP signal is input WE1 stops and COOL or WE2 will follow When INTERRUPT signal ...

Page 34: ...current is stepped up down to the value for STEP2 when the number of welds for STEP1 finishes Similarly the current is stepped up down to the value for STEP3 when the number of welds for STEP2 finishes a STEP VALVE1 VALVE2 Counting of weld is started at the step set here If VALVE1 is set to 3 as shown above counting of weld is started at the first weld of STEP3 even at the first operation The weld...

Page 35: ... STEP4 100 STEP9 100 STEP5 100 This screen shows initial settings 11 INITIALIZE Screen This screen is used to initialize the ordinary work area of MA 627A Memory in IS 120B to the initial settings Even when initialized memory of MA 627A is not erased Move the cursor to YES or NO and press ENTER key WELDING CONDITIONS INITIAL FORMAT YES NO a YES Memory is initialized returned to the initial setting...

Page 36: ...627A Welding transformer T o G r o u n d G Earth leakage breaker MA 627A MENU Output cable Welding head SENS cable Refer CAUTION Toroidal coil Primary Circuit cable Noise filter PROGRAM MONITOR I O RS 485 INDICATOR WELD POWER COIL IN READY START WELD TROUBLE TROUBLE RESET WELD WELDING POWER SUPPLY FINE SPOT INVERTER IS 120B IS 120B Rear PE L3 L2 L1 U V POWER OUT 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3...

Page 37: ...ransformer on the rear panel When using IT 510B IT 511B with IS 120B connect the output cable to No 1 3 and 5 of the terminal block on the transformer rear See figure at right When using ITH 651A6W ITG 1050A6W or ITF 1800A6W connect SENS cable from the transformer to the Welding Transformer I O connector NB Ensure two notes written below before connecting SENS cable i Do NOT connect toroidal coil ...

Page 38: ...cting the program unit Connect the control cable to the PROGRAM UNIT connector on the front panel Observe the following procedures only when other manufacturer s trans former is used 5 Connecting a toroidal coil for secondary current detection Connect a toroidal coil to TOROIDAL COIL connector on the front panel Do not connect a toroidal coil when Miyachi s transformer is used 6 When there is ther...

Page 39: ... ０３１０Ｖ５Ｖ VALVE POWER IN COM VALVE 1 Current capacity 0 5A max 0V 24V EXT SIG POWER IN Control power supply for external signal EXT SIG COM External signal common COM SCHEDULE 1 SCHEDULE 2 SCHEDULE 4 SCHEDULE 8 COM COM PARITY START EMERGENCY STOP ERROR RESET STEP RESET FLOW SWITCH 1 WELD ON OFF COM WELD COUNT INTERRUPT COUNT ERROR WELD ON COM THERMOSTAT STEP END １Ａ Collector current 40mA max １...

Page 40: ...n using a valve of more than 0 5A operate an auxiliary relay with this VALVE output and supply a voltage with the relay contact to the valve Pin 6 0V terminal for IS 120B only Do NOT use for another purpose Pin 7 24V terminal for IS 120B only Do NOT use for another purpose Pin 8 Control power input terminal for external signals Connect Pin 6 or 7 to this terminal depending on input signal circuit ...

Page 41: ...rminal strip says FLOW SWITCH there is no function of FLOW SWITCH here Pins 23 24 Input terminals for weld ON OFF signals If these are closed welding is turned on Pin 25 Common terminal for inputs Pin 26 Input terminal for thermostat Connect this terminal to thermostat of transformer or that of diode If this terminal is open thermostat error is detected This terminal must be open when Miyachi s we...

Page 42: ...ART SCHEDULE is ON is output Pins 38 39 Secondary voltage input terminal Connect these terminals to secondary of welding transformer near to electrode for secondary constant power effective value control secondary constant voltage effective value control or monitoring secondary voltage 3 Connection of Input Signals When using a 100VAC power supply for valve separate the wiring of the signal lines ...

Page 43: ...is a common minus input When external input signal is a common plus input When external power supply input is used ６７８９１０１１１２２１２２０Ｖ２４Ｖ５Ｖ０Ｖ２４Ｖ５Ｖ６７８９１０１１１２２１２２６７８９１０１１１２２１２２５Ｖ２４Ｖ External ０Ｖ External ...

Page 44: ...ion check that the SQZ time squeeze time is sufficient If the welding current flows before the welding electrode force becomes sufficient spatters are produced If no error is detected in 8 above set a workpiece and weld it Turn on WELD ON OFF key on the front panel WELD ON OFF of MA 627A and external WELD ON OFF signal Check that READY lamp lights up then supply the welding current At this time co...

Page 45: ...LD VALVE output END DATA OUT When DATAOUT function is turned on ERROR STEP END ERROR RESET STEP RESET T1 Approx 5 to 20ms Time set at DELAY START SET T2 Approx 200ms END signal is output while START is input or for approx 200ms T3 Approx 80ms During T3 next START is disabled T1 T2 T3 ...

Page 46: ...Schedule data Table When replacing the battery work carefully to prevent damage to the printed circuit board and parts mounted on it After checking the battery is dead remove the outer cover The PC board on which the battery is mounted is located rear left of the power supply Insert your forefinger between the battery holder and the lithium button battery Pinch the battery with your thumb and fore...

Page 47: ... outside cover Printed circuit board with fuse is installed on rear left side of the controller 2 Insert a narrow screwdriver on the fuse holders and pry it up by using the screwdriver as a lever At this time apply the screwdriver only to the metallic part of the fuse so that the glass tube will not be broken 3 Place the metallic parts of a new fuse on the fuse holders then push in the glass tube ...

Page 48: ... a replacement filter please purchase it from manufacturer Manufacturer and Model Number of Replacement Filter Manufacturer NITTO KOGYO CO LTD Model Number SLP F1 10 sheet for IS 120B intake SLP F2 10 sheet for IS 120B outlet Cut the replacement filters as shown 87mm 87mm SLP F1 for Intake 15mm 45deg at 4 corners 116mm 116mm SLP F2 for Outlet 15mm 45deg at 4 corners DANGER Fan motor may hurt your ...

Page 49: ...re below Remove it and cleanse with neutral detergent water i Insert finger tip into hole on bottom of filter ⅱ Pull filter cover toward you to remove Flter cover WELDING POWER SUPPLY Reverse side Filter 3 After drying the filter return it a new one when replacing onto the filter cover Secure the filter covers to the intake and outlet ...

Page 50: ...800Hz and 600Hz selectable Max capacity 130kVA At input voltage of 480VAC 120kVA At input voltage of 440VAC 108kVA At input voltage of 400VAC 102kVA At input voltage of 380VAC 65kVA At input voltage of 240VAC 60kVA At input voltage of 220VAC Rated capacity 52kVA At input voltage of 480VAC 48kVA At input voltage of 440VAC 43kVA At input voltage of 400VAC 41kVA At input voltage of 380VAC 26kVA At in...

Page 51: ...setting schedules No repeat operation if set to 0 15 schedules HIGH range LOW range Secondary current setting range HEAT Constant current control Constant power control Constant voltage control Constant phase control 00 1 20 0kA 0 10 9 99kA 00 1 20 0kW 0 10 9 99kW 0 10 9 99V 0 10 9 99V 10 0 99 9 10 0 99 9 Set as follows Secondary current setting HEAT Transformer turn ratio setting P S RATIO Primar...

Page 52: ...e Monitor is turned off if set to 00 0kW Lower limit LOW setting range Monitor is turned off if set to 00 0kW LOW range mode Upper limit HIGH setting range Monitor is turned off if set to 00 0kW Lower limit LOW setting range Monitor is turned off if set to 00 0kW 00 0kW 20 0kW 15 schedules 00 0kW 20 0kW 15 schedules 0 00kW 9 99kW 15 schedules 0 00kW 9 99kW 15 schedules Pulse width monitor PULSE HI...

Page 53: ...ent is not detected in primary constant current effective value control primary constant current peak value control or secondary constant voltage effective value control No voltage In the secondary constant voltage effective value control the supply of the current is stopped when a secondary voltage cannot be detected Temperature Overheating of power unit of inverter and welding transformer are de...

Page 54: ...LD1 voltage 0 00 9 99 8 nn n WELD1 power 00 0 20 0 9 nn n WELD1 pulse width 00 0 99 9 for primary constant current peak value control 10 nnn WELD2 time C 000 099 m 000 600 11 nn n WELD2 current 00 0 20 0 12 n nn WELD2 voltage 0 00 9 99 13 nn n WELD2 power 00 0 20 0 14 nn n WELD2 pulse width 00 0 99 9 for primary constant current peak value control 15 nnnn Valve 1 Stepper count 0000 9999 16 n Valve...

Page 55: ... 0 99 9 for primary constant current peak value control 10 nnn WELD2 time C 000 099 m 000 600 11 n n n WELD2 current 0 00 9 99 12 n nn WELD2 voltage 0 00 9 99 13 n n n WELD2 power 0 00 9 99 14 nn n WELD2 pulse width 00 0 99 9 for primary constant current peak value control 15 nnnn Valve 1 Stepper count 0000 9999 16 n Valve 1 Step No 0 9 17 nnnn Valve 2 Stepper count 0000 9999 18 n Valve 2 Step No ...

Page 56: ... Error code 00 20 20 Linefeed code Example E 0001 01 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Connection IS 120B User side 1 〇 2 〇〇1 〇2 4 〇〇4 9 〇〇9 11 〇〇11 15 〇〇15 TXD RXD TXD RXD TXD RXD TXD RXD RS 485 Serial interface specifications Outline dimensions and mass 269 mm H x 186 mm W x 629 mm D 15 kg Name Q ty Jumper wire 4 Operation manual 1 Accessories ...

Page 57: ...ut output signals WE1 Stop signal for Pin 21 and 22 external input output signals Flow switch signal for Pin 21 and 22 external input output signals 3 Separately Sold Items Input Cables PK 01855 If a customer procures the cable by oneself prepare it in accordance with the following right hand specifications Type Branch No Length m Specifications of Standard Cable 002 2 Rated Voltage 600VAC min 005...

Page 58: ... No Length m Specifications of CE Marking Compliant Cable 102 2 Rated Voltage 750VAC min 105 5 Section Area 10mm2 min 110 10 No of Cores 3 115 15 Cable Dia 25 mm min CE Marking Compliant 120 20 Compliance Standard Conductor VDE0812 0281 Insulation VDE0250 0281 Others Item Branch No Length m 002 2 005 5 010 10 015 15 SENS Cable SK 02131 020 20 Item Branch No Length m Item Branch No Length m 005 5 0...

Page 59: ... 120B 10 Specifications 10 10 4 Duty Cycle 1 10 20 30 40 50 60 100 80 20 40 60 80 100 120 140 160 180 200 8 200A 12 5 150A 23 100A 100 38A Pulse width 450μs max Ambient temp 40 Duty cycle Output current A ...

Page 60: ...WITCH START SIG MODE ON OFF WELD COUNT ON OFF RESET MODE ON OFF CYC WELD ON OFF STEPPER ON OFF RE WELD ON OFF END SIG MODE ON OFF 4 START ON OFF PARITY CHECK ON OFF INTERRUPT ON OFF CURR RANGE HIGH LOW VALVE ITEMS 1 2 P S RATIO STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 STEPPER COUNT STEP 9 IS 120B 5 Schedule Data Table 10 Specifications 10 11 ...

Page 61: ...T for WE2 PULSATION VALVE GAIN WELD1 HIGH WELD1 LOW WELD2 HIGH MONITOR SETCURRENT WELD2 LOW WELD1 HIGH WELD1 LOW WELD2 HIGH MONITOR SET VOLT WELD2 LOW WELD1 HIGH WELD1 LOW WELD2 HIGH MONITOR SET POWER WELD2 LOW WELD1 MONITOR SET PULSE HIGH WELD2 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 HEAT INCREASE STEP 9 IS 120B 10 Specifications 10 12 ...

Page 62: ...R P 1 4 67 A A C 2 20 V I N INDICATOR W ELD ING PO WER SUP PLY IS 1 20 B W ELD POW ER READY START W ELD TROUBLE TROUBLE RESET W ELD PRO GRAM MONITOR ＩＯ RS 485 HIGH VOLTAGE P 1 3 8 8 172 186 269 386 120 79 493 506 123 Unit mm C O I L I N I O F I N E S P O T I N V E R T E R P 1460 P U L L ...

Page 63: ...al signal input power is not connected Make sure the connection of Pin 6 7 8 and 9 on the External Input Output Signals terminal is correctly performed See 6 1 Check filter for clogging See 9 3 E 04 IGBT Thermostat Error Internal temperature of equip ment rises and thermostat for power transistor in power unit is open Check that the duty cycle does not exceed its specific value observe it See 10 4...

Page 64: ...NCREASE setting is larger than max value of current voltage or power setting Correct each setting See E 10 above and 4 10 External emergency stop input circuit is open Rectify cause of emergency stop then close stop circuit E 12 Emergency stop Power supply for external input is not connected Check Terminals 6 7 8 and 9 connections See 6 1 2 E 13 Overcurrent Primary current above 220A is detected C...

Page 65: ...ut of POWER setting range on MONITOR SET screen Check for stained welding electrode and low electrode force E 20 Interrupt error When INTERRUPT is turned on interrupt signal is input before start signal is input Check interrupt input signal See 4 8 k E 21 No voltage error No detection of the voltage across welding electrodes Make sure the cable detecting the voltage across welding electrodes is co...

Page 66: ...overseas distributors are warranted in accordance with the warranty contract of those companies or distributors where the product was purchased Customer must contact the purchasing company or distributor regarding the product warranty 2 When a Miyachi Technos Corporation product is being set up for operation at an overseas facility under the presence of a serviceman of Miyachi Technos Corporation ...

Page 67: ...required to pay for any overseas shipping In case of repair at overseas Miyachi affiliated companies Miyachi Technos Corporation will repair or replace at its option defective parts and or unit free of charge All freight charges are responsibility of the customer Miyachi Technos Corporation will send it to the customer s designated location and charge the customer for all shipping costs 3 When a M...

Page 68: ...re salt water storm lightning other natural disasters war terrorism other rebellion or abnormal voltage etc 4 Defect or damage caused by the use of this product in combination with the product of other company or by any surrounding equipment 5 Damage due to crack discoloration dirt and deficiency on storage in use 6 Exchange of consumable items 5 Responsibility of our Company Miyachi Technos Corpo...

Page 69: ...on is discontinued Miyachi Technos Corporation will provide hardware replacement options based on commercially available components or parts 8 After Service If you have any question or request for repair and purchase of parts or units please contact a distributor or representative of Miyachi Technos Corporation Please inform us of the model serial number problem and distributor s name where you pu...

Page 70: ...not duplicate partially or entirely the operation manual Miyachi Technos Corporation reserves the right to change the content of the operation manual at any time without notice Although Miyachi Technos Corporation created the operation manual with making assurance doubly sure if you find incomprehensible matters mistake typographical errors etc please inform us of them immediately Attention Date o...

Page 71: ...81 6 6305 2211 Key Number Nagoya Sales Office Application Laboratory 4F Kumada BldgⅡ 1 2 2 Kanayama Naka ku Nagoya city Aichi 460 0022 Japan TEL 052 323 2301 FAX 052 323 2302 TEL 81 52 323 2301 Key Number Overseas Miyachi affiliated companies Miyachi Korea Corp D 510 Pundang Techno Park 151 Yatap Dong Pundang Gu Songnam city Kyunggi Do Korea TEL 82 342 707 5855 FAX 82 342 707 5857 Miyachi Trading ...

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Summary of Contents for IS-120B- 02 Series

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