Home

IMS2 User Manual

1. fg Nn paa ta a PAN 520018 520034 8 14 3 6 3 5 S20041 S20047 S20067 S20088 9 16 4 6 3 5 520096 520125 520141 20 5 8 8 5 520202 13 26 6 8 8 5 520238 520253 13 28 6 10 17 520302 520405 520513 520585 23 32 13 10 5 n a 520628 520775 520897 21 153 21403 25 Dil 16 12 5 n a 521574 Page 54 IMS2 710 01534 00K SPECIFICATIONS 4 12 6 General Technical Data Supply Mains voltage SRE oO EN BBB dd 3 x 200 VAC 525 VAC in line connection 3 x 200 VAC 440 VAC inside delta connection SOON dd 3 x 200 VAC 690 VAC in line connection 3 x 200 VAC 440 VAC inside delta connection Control voltage SOOO EIDE ridi NN sede 10 VAC or 230 VAC 10 15 SOOKE an E E 230 VAC or 400 VAC 10 15 ELSA E E E 460 VAC or 575 VAC 10 15 Mains frequency ME nena 50 Hz 2 Hz or 60 Hz 2 Hz durinpistart iaia aan cai gt 45 Hz 50 Hz supply or gt 55 Hz 60 Hz supply d nne rUn GA e Aha gt 48 Hz 50 Hz supply or gt 58 Hz 60 Hz supply Control Inputs Start Terminals ELSE a anna anu Ba NN owen death Active 24 VDC 8 mA approx SLOP Terminal CB ACS an cnet see anna un Active 24 VDC 8 mA approx Reset Terminals C41 C42 urine Active 24 VDC 8 mA appr
2. 06 Single Write The IMS2 does not accept broadcast functions Examples of Modbus protocol NOTE Least significant bit is transmitted first Command Start Slave Address Function Code Register Data Checksum Address 20 06 40002 LRC or CRC Starter status Starter running Slave Address Function Code Register Data Checksum Address 20 03 40003 xxxx001 LRC or CRC Trip code Overcurrent trip Slave Address Function Code Register Data Checksum Address 20 03 40004 00000010 LRC or CRC Read function from the soft starter Read trom Function 3 Initial Start Current 350 Slave Address Function Code Register Data Checksum Address 20 03 4001 350 LRC or CRC Write function to the soft starter Write to Function 12 Soft Stop Mode set Pump Control Note Retums error if out of range Slave Address Function Code Register Data Checksum Address 20 06 40020 LRC or CRC Page 20 IMS2 710 01534 00K PROGRAMMABLE PARAMETERS Section 8 Programmable Parameters 4 8 1 Programming Procedure Step Enter Programming Mode and select the function to be viewed or adjusted Press and hold the lt FUNCTION gt pushbutton 2 Use the lt UP gt and lt DOWN gt pushbuttons to select the required function number Function numbers are left justified and flash 3 When the required function number is displayed release the lt FUNCTION gt pushbutton The display will show the currently stored
3. Operation Protection Settings 30 Excess Start Time Range 0 255 seconds Default 20 seconds Description Sets the maximum time allowed for the motor to start Ifthe motor does not reach full speed within the programmed limit the starter will trip Set for a period slightly longer than required for a normal healthy start A setting of O disables this protection NOTE A Ensure the excess start time setting is within the soft starter s rated capability This ensures the soft starter is also protected from overloads caused by stalled motors 31 Phase Sequence Range Description 32 Restart Delay 0 Off forward and reverse rotation accepted default Forward rotation only reverse rotation prohibited 2 Reverse rotation only forward rotation prohibited Selects the valid phase sequences for phase sequence protection The IMS2 examines the sequence of the phases at its input terminals and trips if the actual sequence does not match the selected option Range 0 254 units Default 10 seconds unit 10 seconds 710 01534 00K IMS2 Page 27 PROGRAMMABLE PARAMETERS Description 4 Sets the minimum time between the end of a stop and the beginning of the next start During the restart delay the AMPS or TEMP LED will flash indicating the motor cannot yet be restarted NOTE A setting of O selects the minimum restart delay period second 33 Phase Imbalanc
4. 12 500 000 Two parallel connected fuses required per phase e 170M Fuses Supply Voltage Supply Voltage Supply Voltage Supply Voltage SCR 415 VAC lt 525 VAC lt 575 VAC lt 695 VAC Pt S20018 70M1315 70M1314 70M1314 70M1314 1 150 520034 70M1319 70M1317 70M1317 70M1317 10 500 520041 70M1319 70M1318 70M1318 70M1318 15 000 S20047 70M1319 70M1318 70M1318 70M1318 18 000 S20067 70M1319 70M1318 70M1318 70M1318 15 000 S20088 70M3017 70M3017 70M3017 70M3017 51 200 520096 70M1322 70M1321 70M1321 70M1321 80 000 S20125 70M1322 70M1322 70M1322 70M1322 97 000 520141 70M1322 70M1322 70M1322 70M1322 97 000 520202 70M6 141 70M6 141 70M6 141 70M6 141 245 000 520238 70M3023 70M3023 70M3023 70M3023 320 000 520253 70M3023 70M3023 70M3023 70M3023 320 000 520302 70M5 144 70M5 144 70M5 144 70M5 202 000 520405 70M6012 70M4016 70M601 70M601 320 000 205 13 70M6014 70M6014 70M4018 70M4018 781 000 S20585 70M5017 70M6015 70M6014 70M6014 1 200 000 520628 70M6019 70M6018 70M6017 70M6017 1 200 000 520775 70M6019 70M6018 70M6017 70M6017 2 532 000 520897 70M6020 70M6019 70M6151 70M615 4 500 000 21 153 70M6020 70M6019 70M6 15 70M615 4 500 000 S21403 70M602 70M602 170M5018 170M5018 6 480 000 521574 170M6018 170M6018 170M5018 170M5018 12 500 000 Two parallel connec ted fuses required per phase 710 01534 00K IMS2 Page 53 SPECIFICATIONS 12 5 Power Terminations al i
5. t verifies correct operation of the IMS2 during start Determine the expected start current by the setti multiplying ngs made in Function Motor easure drop wil the voltage dro p across each phase of the Full Load Current and Function 2 Current Limit 2 Start the motor and measure the actual start current 3 If the expected start current and the actual start current are the same the IMS2 is performing correctly Run performance test This test verifies correct operation of the IMS2 during run S2 LI TI L2 T2 L3 T3 The voltage be less than approximately 2 VAC when the IMS2 is operating correctly 710 01534 00K IMS2 Page 41 APPLICATION EXAMPLES Section 11 Application Examples II I1 Installation with Main Contactor The IMS2 is installed with a main contactor AC3 rated Control voltage must be supplied from the input side of the contactor KM1 FI f f5 EP n gta b a og ammabi e empat A EJES y WY pate mistor in J D n O u J D NX co 5 serial ae elay outputs ramma S ea Y e output A n output KM1 U rogrammable output B 41 42 44 Programmable output C Eaa aas out gt 03327 B The main contactor is controlled by the IMS2 Main Contactor output which by default is assigned to Output Relay A terminals 13 14 Page 42 IMS
6. Protection Delays The IMS2 can be figured with delays to slow the soft starter s response to selected protection conditions This helps avoid nuisance tripping due to momentary fluctuations outside the normal operating range 90 Phase Imbalance Trip Delay Range 3 254 seconds Default 3 seconds Description Slows the IMS2 s response to phase imbalance refer to Functions 7 and 86 Phase Imbalance Sensitivity 91 Undercurrent Trip Delay Range 0 60 seconds Default 5 seconds Description Slows the IMS2 s response to undercurrent refer to Functions 8 and 87 Undercurrent Protection 710 01534 00K IMS2 Page 31 PROGRAMMABLE PARAMETERS 92 Electronic Shearpin Delay Range 0 60 seconds Default 0 seconds Description Slows the IMS2 s response to electronic shearpin refer to Functions 9 and 88 Electronic Shearpin Protection 93 Out of Frequency Trip Delay Range 0 60 seconds Default 0 seconds Description Controls the IMS2 s response to low supply frequency while the motor is running This setting controls both the delay before the IMS2 trips and also the level of variation the soft starter will allow For applications where the supply frequency regularly drops below the trip level it may be necessary to desensitise the IMS2 to avoid nuisance tripping Set to allow continued motor operation during extreme but temporary under frequency conditions that endanger motor life
7. tarter output terminals 03965 A Mains voltage Semiconductor fuses optional Control voltage lications the IMS2 only needs to be programmed with the load current FLC o f the motor Select Function Motor Full Load Current by holding down the lt FUNCTION gt pushbutton and pressing the KUP pushbutton repeatedly until the disp ay shows 2 Release the lt FUNCTION gt pushbutton The display will show the currently stored value of Funct 3 Use the lt UP gt and lt DOWN gt pushbuttons to adjust the FLC setting to match the FLC of the motor 4 Press the lt STORE gt pushbutton to store the new FLC setting Exit Programming Mode by holding down the lt FUNCTION gt ion Motor Full Load Current pushbutton pressing the lt DOWN gt pushbutton until the display shows 0 then releasing the lt FUNCTION gt pushbutton 3 Operation snr run rre remore goag ESS 03966 A The IMS2 is now ready to control the motor Motor operation can be controlled using the lt START gt and lt STOP gt pushbuttons on the IMS2 local control panel Two other functions that may be useful for basic installations are Function 2 Current Limit and Function 5 Stop Ramp Time These functions can be adjusted as described above For a more detailed description of the programming procedure refer to Programming Procedure 710 01534 00K IMS2 Page 5 INSTALLATION Section 4 In
8. 30 40 50 60 70 80 90 100 Rotor speed full speed Current ramp starting can be useful for applications where 710 01534 00K IMS2 Page 23 PROGRAMMABLE PARAMETERS uu co t t w e the load can vary between starts for example a conveyor which may start loaded or unloaded Set the initial current Function 3 to a level that will start the motor with a light load and the current limit Function 2 to a evel that will start the motor with a heavy load e the load breaks away easily but starting time needs to be extended for example a centrifugal pump where pipeline pressure needs to build up slowly e the electricity supply is limited for example a generator set and a slower application of load will allow greater time for the supply to respond 4 Start Ramp Time Range 30 seconds Default second Description Sets the ramp time for current ramp start mode Set the start ramp time to optimise start performance 5 Stop Ramp Time Range 0 100 seconds Default 0 seconds Description Sets the soft stop ramp time for soft stopping the motor The soft stop mode is selected using Function 2 Setting Function 5 to 0 disables soft stop If using soft stop and a main contactor the contactor must remain closed until the end of the stop ramp time The IMS2 programmable outputs A B or C can be set to control the main contactor Refer to Functions 21 22 23 for programma
9. Anyang City Kyungki Do Korea F m n ET UNO DU CD ojm Phone 82 314230135 ax 82 314230136 mail south korea aucom com rska 31 02 Bratislava ovakia hone 421 2 4463 52461 ax 421 2 4445 0188 mail slovakia aucom com 8480 L Ametlla del Valles arcelona pain hone 34 93 846 4801 ax 34 93 849139 mail spain aucom com 0 83 Shangsing Rd Lujhu Township aoyuan County 33857 alwan Phone 886 3 323 5668 ax 886 3 323 5638 Email taivan aucom com 4 49 Moo 10 Srinakarin Rd Bangna Bangna Bangkok 10260 Thailand Phone 66 2 710 5240 F E ax 66 2 710 5244 mail thailand aucom com Yedpa Ticaret Merkezi G Caddessi No 8 Yukari Dudullu 34775 Umraniye F mn Alm mn Crm w m F E SO En V T H Viet Nam P Istanbul Phone 90 532 616 36 64 ax 90 216 4710719 mail turkey aucom com owfields Road eeds LS12 6ET ngland hone 44 113 2430203 ax 44 113 2420959 mail united kingdom aucom com 580 Enterprise Parkway ort Myers Florida FL 33905 nited States of America hone 1 239 693 7200 ax 239 693 2431 mail united states aucom com 5 To Vinh Dien Street huong Trung Ward hanh Xuan Distr anol hone 84 4 5680 582 5680 583 ax 84 4 5680 581 mail vietnam aucom com 710 01534 00K IMS2 Page 59 AuCom AuCom Electronics Ltd 123 Wrights Road PO Box 80208 Chr
10. Description 0 3 0 Not used Waiting 2 Starting incl Pre start tests 3 Running 4 Stopping 5 Restart delay 6 Tripped 7 Programming Mode 4 Positive phase sequence detected 5 Current exceeds the FLC 6 0 Uninitialised Initialised nb bit 4 is not valid unless bit 6 7 0 Communication connection status OK Communication connection fault 40004 Trip Code Single read 255 No trip 0 5 Shorted SCR Excess start time 2 otor thermal model 3 otor thermistor 4 Phase imbalance 5 Supply frequency 65 Phase sequence 7 Electronic shearpin 8 Power circuit fault 9 Undercurrent 0 Heatsink overtemperature F Invalid motor connection P 25 Auxiliary Input J Out of range FLC L 4 Incorrect control module Y RS485 communication fault C 6 Forced communication trip H 7 CPU error U 40005 Current Single read 40006 Temperature Single read 40007 Product type Single read Bit No Description and version 0 2 Function list version 3 7 IMS2 2 40008 RS485 protocol Single read RS485 serial protocol version version 40009 Function ultiple read Refer to Function Descriptions for detail to to Single write 40125 Function 17 710 01534 00K IMS2 Page 19 SERIAL COMMUNICATION Modbus HEX Functions Two Modbus HEX functions are supported 03 Single Multiple Read
11. Initial Start Current 350 4 Start Ramp Time 83 Start Ramp Time 5 Stop Ramp Time 0 84 Stop Ramp Time 0 6 otor Start Time Constant 10 85 otor Start Time Constant 10 7 Phase Imbalance Sensitivity 5 86 Phase Imbalance Sensitivity 5 8 Undercurrent Protection 20 87 Undercurrent Protection 20 9 Electronic Shearpin Protection 400 88 Electronic Shearpin Protection 400 Start Stop Formats Protection Delays 10 Torque Control 0 90 Phase Imbalance Trip Delay 3 ickstart 0 91 Undercurrent Trip Delay 5 12 Soft Stop Mode 0 92 Electronic Shearpin Delay 0 13 Auto Stop Run Time 0 93 Out Of Frequency Trip Delay 0 Starter Functionality 94 Auxiliary Trip Delay 0 20 Local Remote Operation 0 Read Only Data 21 Relay Output A Functionality 00 Model Number 22 Relay Output B Functionality 10 Ol Start Counter 1000 s 23 Relay Output C Functionality 0 02 Start Counter 1 s 24 Input A Functionality 0 03 Trip Log Protection Settings Restricted Functions 30 Excess Start Time 20 0 Access Code 0 31 Phase Sequence 0 Update Access Code 0 32 Restart Delay 2 Function Lock 0 33 Phase Imbalance 0 3 Restore Function Settings 0 34 otor Thermistor 0 4 Emergency Mode Format 0 35 Heatsink Overtemperature 0 5 Emergency Mode Trip Relay 0 36 Auxiliary Trip Mode 0 6 Thermal Model Override Set Points 7 Thermal Model Override Count 40 Low Current Flag 50 41 High Curren
12. S e Emergency mode operation Thermal model override Page 4 IMS2 710 01534 00K Section 3 Basic Setup Procedure BASIC SETUP PROCEDURE For simple applications IMS2 soft starters can be installed using the three simple steps outlined below For applications with advanced control protection or interface requirements a comprehensive review of this User Manual is recommended I Installation and connection W A IMS2 soft starters contain dangerous voltages when connected to mains voltage On should carry out the electrical installation Improper installation of the motor or the soft starter may cause Ensure the correct IMS2 mode the conn 2 Mount the IMS2 making sure clearance top and bottom for through the starter Refer to for detai ARNING ected motor and app s y a competent electrician equipment failure serious injury or death Follow this manual and local electrical safety codes has been selected for D ication type OH AI 3 ication 3 Y L1B A to allow adequate ni A seot 12 M ree circulation of air 1287 AI Mounting Instructions LA pr T3 Es 5 o yet A 3 Connect L2 L3 4 Connect the motor cables to s mains voltage to starter input terminals LI Ti TZ 13 5 Connect control voltage to starter input terminals Al A2 or A2 A3 Refer to Control Supply for details 2 Programming For basic app nameplate ful
13. 01534 00K aan 1 3 Emergency Mode Operat On anal nada adan in a Ani 44 L4 Aula Tap rl aa 45 1 5 Sofe Brak matese arn theca nana na Na aan 46 1 6 EMO OT OO I tines cad 47 1 7 Typical Start Current STI 21T 48 Section 2 Specifications 2 1 odel Codes 2 2 Current Ratings 2 3 Dimensions and NTN Oltra A an na 51 24 FUSES o ad 52 2 5 lA uE OO 54 2 6 General chhical Data ii res 55 Section 13 Authorised Representatives oom 56 Page 2 IMS2 710 01534 00K CAUTION STATEMENTS Section Caution Statements This symbol is used throughout this manual to draw attention to topics of special importance to the installation and operation of IMS2 Series soft starters Caution Statements cannot cover every potential cause of equipment damage but can highlight common causes of damage It is the installer s responsibility to read and understand all instructions in this manual prior to installing operating or maintaining the starter to follow good electrical practice including applying appropriate personal protective equipment and to seek advice before operating this equipment in a manner other than as described in this manual e Isolate the soft starter completely from the power supply before attempting any maintenance work etal swarf in the cabinet can cause equipment failure e Do not apply voltage to the control input terminals These are active 24 VDC inputs and must be controlle
14. A it o Le B gt L C A B E a b Weight mm inch mm inch mm inch mm inch mm inch kg Ib 520302 38 520513 690 430 522 320 520585 27 16 16 93 11 58 20 55 12 60 110 20628 S20775 53 520897 116 6 521153 521403 855 574 353 727 500 121 521574 33 27 22 60 13 90 27 83 19 68 266 2 12 4 Fuses The IMS2 can be installed with fuses to protect the soft starter and to provide Type or Type 2 protection HRC fuses can be used for Type coordination and semiconductor fuses can be used for Type 2 coordination and to reduce the risk of damage to SCRs from transient overload currents Maximum Fuse Sizes The maximum fuse sizes for IMS20018 IMS20897 at 600 VAC are values in amperes Type 2 short circuit protection Type short circuit protection HRC fuses Class J or Class L Class J or Class L dess FR ign spesi tee A fuse Pa delay fuse S20018 40 45 80 S20034 80 80 150 2004 100 100 175 520047 ETO 100 200 520067 TKI 25 150 300 520088 75 200 350 520096 175 250 400 520125 225 300 500 520141 250 350 600 520202 350 500 800 520238 450 600 900 520253 450 600 1000 520302 700 1200 520405 900 1600 520513 1200 2000 520585 1350 2500 520628 1400 2500 520775 1800 2500 520897 2000 3000 Two series connected fuses required per
15. The motor cables are connected to the soft starter output terminals TI T2 T3 KM1 F1 ae PA Ti yet S pis LA BAY T2 et AS eena lt T3 L3B 33t DEl og Main contactor optional Fuses optional 5 3 In Line Connection Bypassed IMS2 soft starters can be bypassed while the motor is running Special terminals LIB L2B L3B are provided for connecting the bypass contactor These terminals allow the IMS2 to provide all protection and current monitoring functions even when bypassed The Run Output terminals 23 24 should be used to control operation of the bypass contactor The bypass contactor can be ACI rated for the motor full load current KM2 f KM1 F1 sala BA Pi Lilo L1B i D E RAL 1 Te gi M L2B i O aa BA 13 Fa ae OF 23 E LALA 5 KM2 Main contactor optional Bypass contactor Fuses optional 710 01534 00K IMS2 Page 9 POWER CIRCUITS 5 4 Inside Delta Connection IMS2 soft starters support inside delta six wire connection When connected in inside delta configuration the soft starter carries only phase current This means the IMS2 can be used with motors which have a full load current rating up to 50 greater than the soft starter s standard current rating KM1 paa Fuses optional A motor usually has two rows of three terminals in t
16. ora y Te TS ne de KM2 is L T10 o 2 T2 9 L2 720 1 f Ae L3 T3 oe T3 o KM1 ES AI QE Le A3 L gra ges B4 KM1 a gas BS Ny KM2 Es TA E Be 632 gat Q42 KM3 KM1 KA c53 we c54 KA2 KM2 KM3 41 44 S L o 277 o 9 KAI KM3 KM1 AS sia ak AL KM2 KA2 KAI N KA2 a a real 3 3 ai aa rogrammable output C Contactors KM2 and KM3 must be mechanically interlocked 2 3 4 5 Function Settings e Function 23 Relay Output C Functionality O Trip e Function 24 Input A Functionality 0 Parameter Set Selection DUET Remote low speed startinput gt 710 01534 00K IMS2 Page 47 APPLICATION EXAMPLES 4 11 7 Typical Start Current Requirements aL L lag ag aL f L L L A eee Agitator o Fan High Pressure Atomiser o Grinder e Bottle Washer Hydraulic Power Pack e Centrifuge e Mill o Chipper o Mill Ball o Compressor Reciprocal loaded o Mill Hammer o Compressor Reciprocal unloaded o Mill Roller o Compressor Screw loaded e Mixer e Compressor Screw unloaded Pelletiser 6 Conveyor Belt o Planer o Conveyor Roller o Press o Conveyor Screw o Pump Bore Crusher Cone o Pump
17. phase Page 52 IMS2 710 01534 00 Semiconductor Fuses SPECIFICATIONS 4 Semiconductor fuses can be used with the IMS2 to reduce the potential for damage to SCRs from transient overload currents and for Type 2 coordination F Series Fuses Supply Voltage Supply Voltage Supply Voltage Supply Voltage SCR lt 415 VAC lt 525 VAC lt 575 VAC lt 695 VAC Pt 520018 63AFE 63AFE 63AFE 63AFE 1 150 520034 60AFEE 60AFEE 60AFEE 60AFEE 10 500 2004 200F 80F 80FM 80F 15 000 520047 200F 180F 180FM 180F 18 000 520067 200F 180F 180FM 180F 15 000 520088 250F 250F 250FM 250F 51 200 520096 250F 250F 250FM 250F 80 000 520125 250F 250F 250FM 250F 97 000 520141 280F 280F 280FM 280F 97 000 520202 500F 450F 450F 450FMM 245 000 520238 630F 630F 630F 630FMM 320 000 520253 630F 630F 630F 630FMM 320 000 520302 630F 500F 500F 500FMM 202 000 520405 630F 630F 630F 630FMM 320 000 520513 700F 700F 700F 700FMM 781 000 520585 500FMM 500FMM 500FMM 500FMM 1 200 000 520628 500FMM 500FMM 500FMM 500FMM 1 200 000 520775 700FMM 700FMM 700FMM 700FMM 2 532 000 520897 4 500 000 521153 4 500 000 521403 6 480 000 521574
18. reduced Page 24 IMS2 710 01534 00K PROGRAMMABLE PARAMETERS 4 MSTC figure has the advantage of maximising motor life The life of a motor is strongly influenced by its maximum winding temperature and the expected life span of a motor is roughly halved for every ten degree rise in temperature The temperature rise depends on the motor losses and the motor cooling The highest stress on the motor is during start and can be minimised by restricting the duration and frequency of starts A reduced MSTC setting will also cause the soft starter s protection functions to operate before the motor is thermally stressed A suitable reduced MSTC figure can be established by observing the modelled motor temperature as shown on the IMS2 s display and adjusting the MSTC parameter such that after a normal start which has been preceded by a period of running at maximum load the calculated motor temperature is approaching 90 7 Phase Imbalance Sensitivity Range 1 10 Highest sensitivity lowest imbalance 5 Normal sensitivity default 10 Lowest sensitivity highest imbalance Description Sets the sensitivity of the phase imbalance protection 8 Undercurrent Protection Range 0 100 FLC Default 20 Description Sets the trip point for undercurrent protection as a percentage of motor full load current Set to a level below the motors normal working range and above the motors magnetising
19. standard soft stop mode automatically monitors motor deceleration and will provide optimum control for most applications Pump control may offer superior performance in some applications and can be of particular benefit in some pumping applications To disable soft stop set Function 5 Soft Stop Time to 0 13 Auto Stop Run Time Range 0 255 units Default 0 units off unit 6 minutes Description Sets the run time for the auto stop function The soft starter will automatically stop after running for the specified period The maximum run time is before auto stop is 25 hours 30 minutes 6 minutes x 255 measured from the last start signal A value of O disables auto stop For a short cut to this function refer to Operation Starter Functionality 20 Local Remote Operation Options 0 IMS2 lt LOCAL REMOTE gt pushbutton always enabled default IMS2 lt LOCAL REMOTE gt pushbutton disabled while motor running 2 Local control only IMS2 pushbuttons enabled remote inputs disabled 3 Remote control only IMS2 pushbuttons disabled remote inputs enabled Description Enables and disables the local pushbuttons and remote control inputs Also determines when and if the lt LOCAL REMOTE gt pushbutton can be used to switch between local and remote control 21 Relay Output A Functionality Options 0 Tripped 7 Low current flag Overcurrent trip 8 High current flag 2 Undercurrent tri
20. these functions are uploaded to the IMS2 there will be no effect and an error will be generated 710 01534 00K IMS2 Page 17 SERIAL COMMUNICATION 7 3 Calculating the Checksum LRC Each command string sent to and from the starter includes a checksum The form used is the longitudinal redundancy check LRC in ASCII hex This is an 8 bit binary number represented and transmitted as two ASCII hexadecimal characters To calculate LRC Sum all ASCII bytes 2 Mod 256 3 2 s complement 4 ASCII convert For example Command String Start ASCII STX B 0 or 02h 42h 3lh 30h ASCII Hex Binary STX 02h 0000 0010 B 42h 0100 0010 31h 0011 0001 0 30h 0011 0000 A5h 1010 0101 SUM 1 A5h 1010 0101 MOD 256 2 5Ah 0101 1010 s COMPLEMENT Olh 0000 0001 5Bh 0101 1011 2 s COMPLEMENT 3 ASCII 5 B ASCII CONVERT 4 or 35h 42h LRC CHECKSUM The complete command string becomes ASCII STX B 0 5 B ETX or 02h 42h 31h 30h 35h 42h 03h To verify a received message containing an LRC Convert last two bytes of message from ASCII to binary Left shift 2nd to last byte four bits Add to last byte to get binary LRC Remove last two bytes from message Add remaining bytes of message Add binary LRC Round to one byte The result should be zero SO SA OS OR OOD Response or status bytes are sent from the starter as an ASCII string STX dijh dh d3 h dh LRCI LRC2 ETX dl 30h d2 30h d3 30h plus
21. upper nibble of status byte right shifted by four binary places d4 30h plus lower nibble of status byte For example status byte Fh response is STX 30h 30h 31h 46h LRCI LRC2 ETX Modbus Protocols The soft starter can communicate using either Modbus RTU or Modbus ASCII Use Function 63 Sena Protocolto select the protocol and Function 64 Modbus Farity to select the parity All the functionality of the IMS2 serial protocol is implemented in the Modbus RTU and ASCII protocols using the Modbus register structure as follows Page 18 IMS2 710 01534 00K NOTE SERIAL COMMUNICATION 4 Command Starter Status Trip Code Current Temperature Product type version RS485 Protocol version and Function Upload write must be sent individually ie one data word request at a time single read write The Modbus ASCII protocol is restricted to transferring one function download at a time single read The Modbus RTU protocol is restricted to transferring a maximum of six function downloads at a time multiple read Refer to the Modbus standard at http www modbus org for protocol details Register Register Type Description Address 40002 Command Single write Start 2 Stop 3 Reset 4 Quick Stop 5 Forced Communication Trip 40003 Starter Status Single read Bit No
22. 0K IMS2 Page 13 SERIAL COMMUNICATION Section 7 Serial Communication 7 1 RS485 Serial Communication The IMS2 has a non isolated RS485 serial communication link BI RS485 GND B2 ea 03315 A The serial link can be used to e control IMS2 operation e query IMS2 status and operating data e read download function values from the IMS2 e write upload function values to the IMS2 Three serial protocols are available AP ASCII Modbus RTU and Modbus ASCII Select the relevant protocol using Function 63 Serial Protocol NOTE Power cabling should be kept at least 300 mm away from communications cabling Where this separation is not possible magnetic shielding should be provided to reduce induced common mode voltages The IMS2 can be programmed to trip if the RS485 serial link fails This is done by setting Function 60 Sena Timeout Baud rate is set by Function 61 Serial Baud Rate The starter address is assigned using Function 62 Sena Satellite Address NOTE A Slave addresses must be two digits Addresses less than 10 must have a leading zero 0 The IMS2 may take up to 250 ms to respond The host software timeout should be set accordingly The satellite address and baud rate may also be altered through the serial interface The new settings will take effect after the current serial programming session is terminated by the master The serial master application must ensure that altering these function va
23. 2 710 01534 00K APPLICATION EXAMPLES 11 2 Installation with Bypass Contactor The IMS2 is installed with a bypass contactor ACI rated The bypass contactor is controlled by the IMS2 Run Output terminals 23 24 KM1 ains voltage rogrammable input A tart pushbutton Slipi top pushbutton D N MN TU ermistor input 6 Rely outputs t rogrammable output B 4 J 3 Y 5 po cls U Al 710 01534 00K IMS2 Page 43 APPLICATION EXAMPLES 11 3 Emergency Mode Operation In normal operation the IMS2 is controlled via a remote two wire signal terminals C31 C32 Emergency Mode is controlled by a two wire circuit connected to Input A terminals C53 C54 Closing Input A causes the IMS2 to run the motor and ignore certain trip conditions ains voltage emiconductor fuses optional ontrol voltage OIL emote control inputs EE 2 oa ogame e Dee A EDU gency start contact mistor input serial interface EEES O 1 a y D D L a 3 D 5 5 3 no D x co S elay rammable output A roupa rogram able output B 1 24 DEE accom y 3 a U 03329 B Function settings e Function 24 Input A Functionality 3 Emergency Mode Operation e Function 14 Emergency Mode Format sets which trip types are ignored during emergency mode operation e Function 115 Emergency Mode
24. 2 starters can be programmed with parameter sets for two motors The primary motor settings are adjusted using Functions 9 The secondary motor settings are adjusted using Functions 80 88 Programmable Input A can be used to select between the two function sets Refer to Function 24 Input A Functionality for further detail Page 36 IMS2 710 01534 00K OPERATION 4 9 6 Auto Stop Short Cut A short cut allows fast access to the auto stop function Function 3 I Press the lt STOP gt and lt FUNCTION gt pushbuttons at the same time This enters Programming Mode and displays the value of Function 13 Auto Stop Run Time Use the lt UP gt and lt DOWN gt pushbuttons to set the run time 3 To store the new run time press the lt STOP gt and lt FUNCTION gt pushbuttons together The new setting will be saved and Programming Mode will close When a start is next initiated the IMS2 will run for the prescribed time While running under in auto stop the Start and Run LEDs will both flash 710 01534 00K IMS2 Page 37 TROUBLESHOOTING Section 10 Troubleshooting 10 1 Trip Codes When the IMS2 trips the Code LED lights up and the LED display indicates the trip code Lt Dean A Trip number al Trip code 5 Code Description Q Shorted SCR The IMS2 has detected shorted SCRs Use the three phase indicator LEDs located on the left hand side of the IMS2 cover to determine which phase i
25. 5 A o bo BK BK ERA KM2 Fuses optional 5 6 Power Factor Correction If power factor correction is used a dedicated contactor should be used to switch in the capacitors Power factor correction capacitors must be connected to the input side of the soft starter Connecting power factor correction capacitors to the output side will damage the soft starter 5 7 Main Contactor The IMS2 is designed to operate with or without a main contactor In many regions statute requires a main contactor to be used with electronic motor control equipment This is not necessary for starter operation but provides safety benefits Using a main contactor also isolates the soft starter SCRs in the off state when they are most susceptible to damage from voltage transients A main contactor should always be used when the IMS2 is installed in inside delta configuration The IMS2 can directly control a main contactor by assigning one of the relay outputs to Main Contactor control As an alternative to a main contactor either a circuit breaker with a no volt release coil operated by the soft starter s trip output or a motor operated circuit breaker can be considered If a motor operated circuit breaker is used as a main contactor the potential delay between the breaker being told to close and phase power being applied to the IMS2 could cause the IMS2 to trip on Power Circuit fault To avoid this c
26. Centrifugal e Crusher Jaw 6 Pump Positive Displacement o Crusher Rotary o Pump Slurry e Crusher Vertical Impact o Re pulper e Debarker o Rotary Table o Dryer e Sander e Dust Collector o Saw Bandsaw o Edger o Saw Circular o Fan Axial damped o Separator e Fan Axial un damped o Shredder e Fan Centrifugal damped o Slicer Fan Centrifugal un damped o Tumbler o This information is intended as a guide only Actual start current requirements will depend on individual machine and motor characteristics Page 48 IMS2 710 01534 00K SPECIFICATIONS Section 12 Specifications 12 1 Model Codes IMS2 Enclosure EO IPOO E4 IP42 ES IP54 Functionality FI Inside delta capable Control supply voltage C12 110 VAC amp 230 VAC C24 230 VAC amp 400 VAC C45 460 VAC amp 575 VAC Supply voltage V5 200 VAC 525 VAC V7 200 VAC amp 690 VAC Nominal current rating amperes AC53a 3 10 50 10 eg 0125 125 A AC53a 3 10 50 10 12 2 Current Ratings Non bypassed Operation 3 0 x FLC 3 5 x FLC 4 0 x FLC 4 5 x FLC AC53a 3 10 50 10 AC53a 3 5 15 50 10 AC53a 4 20 50 10 AC53a 4 5 30 50 10 45 C S1000 metres 45 C S1000 metres 45 C S1000 metres 45 C S1000 metres In line Inside delta In line Inside
27. FLC Default 50 Sets the current level FLC at which the low current flag operates The low current flag can be assigned to programmable Relay Outputs A B or C to indicate that motor current has fallen below the programmed value Range Description 50 550 FLC Default 105 Sets the current level FLC at which the high current flag operates The high current flag can be assigned to programmable Relay Outputs A B or C to indicate that motor current has exceeded the programmed value 42 Motor Temperature Flag Range 0 105 Motor Temperature Default 80 Page 28 IMS2 710 01534 00K PROGRAMMABLE PARAMETERS 4 Description Sets the temperature at which the motor temperature flag operates The motor temperature flag can be assigned to programmable Relay Outputs A B or C to indicate that motor temperature as calculated by the motor thermal model has exceeded the programmed value The soft starter trips when motor temperature reaches 105 43 Field Calibration Range 85 115 Default 100 Description Adds a gain to the soft starter s current monitoring circuits The IMS2 is factory calibrated with an accuracy of 5 The field calibration function can be used to match the IMS2 current readout with an external current metering device Use the following formula to calculate the setting required Calibration Current shown on IMS2 display Current measured by exter
28. IMS2 SOFI STARTER AVCOM USER MANUAL Contents Section CAI Eere aZ CTH 3 Section 2 Introduction 2 1 FOSS SS EAE Re n AN AN ARA AO aaa nina Section 3 Basic Setup Procedure un nu ann Sanana anna ua a A an tanaman ida 5 Section 4 Para rn A den 6 4 1 General Lay Out seusai naa aa 6 4 2 Power Termination Configuration liana iena 6 43 MOUNTING INSHRUCHIOMNS ui 7 44 MG PALA OD nn ana nd e 8 Section 5 Power ane aa aaa aa ia a a aaa iii 9 5 1 NT OW sas oso NN eae aaa an BN na 9 5 2 Kin COMME Ohh akan 9 5 3 Inline Connection BYpaSSed E ur AI 9 5 4 Inside Delta Connection 10 5 5 Inside Delta Connection Bypass dd dada dais 11 5 6 Power Factor Cometa ob l 5 7 Main da A ada Section 6 Control CIRCUITS ds 12 6 1 Cajal T 12 6 2 Control la 2 6 3 CONTO aris 12 Section 7 Serial Communication a 14 Al RS485 Schial Eommunication ansia 14 72 ARAS Pdo E 14 73 Odbus Protocol Summa haha ha OM ANN SNN EN RERE NBA ani 18 Section 8 Programmable Parameters nee 21 8 1 Programming PROCE ET AN aa aa 21 8 2 A a A RR Inn 8 3 Function Descriptions Section 9 Operation as S PN AN An AA BdA orar 9 1 Local Control Panel 92 Remote Control anioni a e e nt E sm 9 3 Restart Delay Husna ae aneka enakan ang 94 Pre Start H ara RR 9 5 Secondary Motor Settings ni 9 6 AO SOS iau ela na Section 10 10 1 10 2 10 3 10 4 Section 11 MA 112 710
29. IMS2 is in remote control mode If the Start and Run LEDs are both flashing while the IMS2 is running the soft starter is operating under auto stop control The soft starter will continue to run for the time selected in Function 13 Auto Stop Run Time Start signal Current 120 11 N Output voltage FLC LED status A 3326 8 os32s n Start i Run i Off Pre start tests pg Operation pushbuttons These pushbuttons can be used to control the IMS2 in local control mode The lt LOCAL REMOTE gt pushbutton can be used to switch between local and remote control modes NOTE When control power is applied the IMS2 may be in either local or remote control mode depending on the mode it was in when control power was removed The factory default is local control 710 01534 00K IMS2 Page 35 OPERATION 9 2 NOTE Function 20 Local Remote Operation can be used to limit operation to either local or remote mode operation If the lt LOCAL REMOTE gt pushbutton is pressed the numeric display will show OFF NOTE Simultaneously pressing the lt STOP gt and lt RESET gt pushbuttons causes the IMS2 to immediately remove voltage from the motor resulting in a coast to stop Any soft stop settings are ignored Programming pushbuttons Refer to Programming Procedure Remote input status LEDs These LEDs indicate the state of the circuits across the IMS2 remote control inputs in both local and r
30. Reset Number of Resets Range SS Default Description Sets maximum number of reset attempts for the auto reset function The auto reset counter increases by one after each trip up to the maximum number of resets set in Function 71 Auto Reset Number of Resets The fault is then latched and a manual reset is required The auto reset counter decreases by one to a minimum of zero after each successful start stop cycle 72 Auto Reset Group A amp B Delay Range 5 999 seconds Default 5 seconds Description Sets the delay for resetting Group A amp B trips 73 Auto Reset Group C Delay Range 5 60 minutes Default 5 minutes Description Sets the delay for resetting Group C trips Secondary Motor Settings IMS2 soft starters can be programmed with two separate sets of motor data The primary motor settings are adjusted using Functions 9 The secondary motor settings are adjusted using Functions 80 88 Refer to Function 24 Input A Functionality for detail on enabling the secondary function set Page 30 IMS2 710 01534 00K PROGRAMMABLE PARAMETERS 4 80 Motor Full Load Current Range Model Dependent A Description Sets the IMS2 for the connected motor s full load current Refer to Function for details 81 Current Limit Range 100 550 FLC Default 350 Description Sets the start current limit Refer to Function 2 for details 82 In
31. TION 4 Write Function Values to the IMS2 Function values may be written uploaded to the soft starter only when it is in the off state ie not starting running stopping or tripped Use the following format to write function values Exit Serial Programming Mode and store parameters to EEPROM gt Enter Serial Programming Mode gt Repeat until master sends NAK Send ACK Write ACK Function ACK Function Function NAK address function number value value Possible error responses 1 2 193 1 4 1 NAK Invalid LRC 2 ERR Unable to program motor running 3 ERR Invalid function number 4 ERR Function value out of range Master Slave soft starter Write Function ASCII Comment Upload Functions PI2 Readies the IMS2 to upload function values When the IMS2 receives a Write Function command it enters Serial Programming Mode In Serial Programming Mode the local control pushbuttons and remote inputs are inoperative the serial start command is unavailable and the soft starter s display flashes the letters SP When the Write Function command is terminated by the master or with an error or timeout the functions are written to the EEPROM and the IMS2 exits Serial Programming Mode NOTE Serial Programming Mode will time out in 500 ms if there has been no serial activity The following functions may not be adjusted Function 100 101 102 103 110 111 112 113 and 117 If values for
32. Trip Relay Operation determines if the trip relay operates when a fault is detected during emergency mode operation Page 44 IMS2 710 01534 00K APPLICATION EXAMPLES 11 4 Auxiliary Trip Circuit In normal operation the IMS2 is controlled via a remote two wire signal terminals C31 C32 Input A terminals C53 C54 is connected to an external trip circuit such as a low pressure alarm switch for a pumping system When the external circuit activates the soft starter trips which stops motor Function settings nm SE voltage SS Sr emiconductor fuses optional Sa ontrol voltage 2 3 2 3 O emote control inputs pro rammable input A Start stop switch n w A YW O TU no O UO Auxiliary trip contact eg pressure switch Eaa opus SSCS Programmable output B Programmable output C m o sel nm se o e Function 24 Input A Functionality Auxiliary Trip normally open e Function 36 Auxiliary Trip Mode 6 limits operation of the Auxiliary Trip function to 120 seconds after the start command so that pressure has time to build up in the piping before the low pressure alarm becomes active e Function 94 Auxiliary Trip Delay can be used to provide a further delay for pressure to build up before the low pressure alarm becomes active 710 01534 00K IMS2 Page 45 APPLICATION EXAMPLES 11 5 Soft Braking F
33. ages when connected to mains voltage Only a competent electrician should carry out the electrical installation Improper installation of the motor or the soft starter may cause equipment failure serious injury or death Follow this manual and local electrical safety codes GROUNDING AND BRANCH CIRCUIT PROTECTION It is the responsibility of the user or person installing the soft starter to provide proper grounding and branch circuit protection according to local electrical safety codes 2001 2008 AuCom Electronics Ltd All Rights Reserved As AuCom is continuously improving its products it reserves the right to modify or change the specification of its products at any time without notice The text diagrams images and any other literary or artistic works appearing in this document are protected by copyright Users may copy some of the material for their personal reference but may not copy or use material for any other purpose without the prior consent of AuCom Electronics Ltd AuCom endeavours to ensure that the information contained in this doument including images is correct but does not accept any liability for error omission or differences with the finished product 710 01534 00K IMS2 Page 3 INTRODUCTION Section 2 Introduction The IMS2 is a microcontroller based soft starter incorporating the latest technologies It has been designed to provide a complete range of the most advanced soft start soft stop and motor pr
34. ble output assignment details 6 Motor Start Time Constant Range 0 120 seconds Default 10 seconds Description Sets the motor thermal capacity used by the IMS2 s motor thermal model NOTE A setting of 0 seconds disables the soft starter s motor thermal model Use this setting only if another form of motor protection is used A motor s thermal capacity also known as maximum locked rotor time or maximum DOL start time is the maximum time a motor can maintain locked rotor current from cold This information is available from the motor datasheet or the motor supplier The IMS2 s motor thermal model assumes a locked rotor current of 600 If the connected motor s locked rotor current differs from this greater accuracy can be achieved by using a normalised MSTC figure LR 600 B MSTC 2 x maximum start time 03324 NOTE Setting Function 6 Motor Start Time Constant according to the motors actual thermal capacity allows safe use of the motor s full overload capability both to start the load and ride through overload conditions Cold start curves 10000 1000 100 10 MSTC 30 seconds MSTC 20 seconds MSTC 10 seconds MSTC 5 seconds 03323 B 4 100 300 500 700 Current full load current A more conservative approach can be taken by setting a reduced MSTC for easy to start loads that will not experience transient operating overloads as a part of normal operation Using a
35. buttons to scroll through the trip log Refer to 7roubleshooting for a description of the trip log and fault conditions Page 32 IMS2 710 01534 00K PROGRAMMABLE PARAMETERS AAA Restricted Functions 110 Access Code Range 0 999 Default 0 Description The access code prevents unauthorised changes to critical parameters Enter the correct access code to e Temporarily change the function lock to read write irrespective of the state specified by Function 12 Function Lock This allows function settings to be adjusted during the current programming session When the current programming session finishes function settings are again protected according to Function 12 Function Lock e Access Functions III 17 The default access code is 0 Contact your supplier if you lose or forget the access code 111 Update Access Code Range 0 999 Description Changes the current access code 12 Function Lock Options 0 Read write default Read only Description Allows protection of all function settings Changes to the function lock setting take effect when Programming Mode is exited 13 Restore Function Settings Options 50 Load default settings 60 Archive current function settings 70 Load archived function settings Description Allows function adjustments be returned to the factory defaults Additionally users can archive their own function settings and then
36. bypass loop tally sealed enclosure a by pass contactor is necessary to eliminate heat dissipation from the mately 4 5 watts per motor ampere The table below shows airflow requirements for ed in an enclosure along with the IMS2 an additional airflow these items Heat generation from semiconductor fuses can be avoided by installing these Motor Heat Required Airflow Current A W m3 minute m3 hour 5 C Rise 10 C Rise 5 C Rise 10 C Rise 10 45 0 5 0 2 30 15 20 90 0 9 0 5 54 27 30 135 1 4 0 7 84 42 40 180 1 8 0 9 108 54 50 225 2 3 LI 138 69 75 338 3 4 7 204 102 100 450 45 2 3 270 135 125 563 5 6 2 8 336 168 150 675 6 8 3 4 408 204 175 788 79 3 9 474 237 200 900 9 0 4 5 540 270 250 1125 11 3 5 6 678 339 300 1350 13 5 6 8 810 405 350 1575 15 8 79 948 474 400 1800 18 0 9 0 1080 540 450 2025 20 3 10 1 1218 609 500 2250 22 5 11 3 1350 675 550 2475 24 8 12 4 1488 744 600 2700 27 0 13 5 1620 810 Page 8 IMS2 710 01534 00K POWER CIRCUITS Section 5 Power Circuits 5 1 Overview IMS2 soft starters can be wired with a number of different power circuits depending on application requirements 5 2 In Line Connection The standard connection format is in line also known as three wire Mains voltage is connected to the starter input terminals LI L2 L3
37. d with potential free contacts e Contacts or switches operating the control inputs must be suitable for low voltage low current switching ie gold flash or similar Cables to the control inputs must be segregated from mains voltage and motor cabling e Some electronic contactor coils are not suitable for direct switching with PCB mount relays Consult the contactor manufacturer supplier to confirm suitability e Do not connect power factor correction capacitors to the output of IMS2 soft starters If static power factor correction is employed it must be connected to the supply side of the soft starter e Before installing the IMS2 without a main contactor ensure this meets local regulations e f installing the IMS2 in a non ventilated enclosure a bypass contactor must be used to prevent excessive heat build up e Ifinstalling a bypass contactor ensure phase connections are correctly made ie LIB TI L2B T2 L3B T3 e Removing control voltage resets the thermal model The examples and diagrams in this manual are included solely for illustrative purposes The information contained in this manual is subject to change at any time and without prior notice In no event will responsibility or liability be accepted for direct indirect or consequential damages resulting from the use or application of this equipment WARNING ELECTRICAL SHOCK HAZARD IMS2 soft starters contain dangerous volt
38. de Il Il DALM NAURA Il Il 4 Positive phase sequence detected a Il O E rrent exceeds the FLC 6 0 Uninitialised Initialised nb bit 4 is not valid unless bit 6 7 0 Communication connection status OK Communication connection fault Data Retrieval Data can be retrieved from the soft starter using the following format Send ACK Send Receive address request data Possible error responses NAK Invalid LRC gt Master Slave soft starter Request ASCII Receive Data dddd Motor current DIO Requests motor current The data is four byte decimal ASCII Minimum value 0000 A maximum value 9999 A Motor DI2 Requests the calculated value of the motor thermal model as a of motor thermal temperature capacity The data is four byte decimal ASCII Minimum value is 000026 Trip point is 010596 Read Function Values from the IMS2 Function values may be read downloaded from the soft starter at any time using the following format Repeat until master sends NAK Ga ACK Read ACK Functio Function NAK EA function number value Possible error messages NAK Invalid LRC 2 ERR Invalid function number fF Master Slave soft starter Read Function ASCII Comment Download Functions PIO Readies the IMS2 to download function values Page 16 IMS2 710 01534 00K SERIAL COMMUNICA
39. delta In line Inside delta In line Inside delta 520018 18 27 16 25 14 22 12 19 520034 34 51 32 48 28 42 24 36 S20041 62 39 58 34 5 28 42 520047 7 71 44 66 39 58 33 50 S20067 67 101 60 90 52 79 46 69 520088 88 132 78 116 68 102 59 88 520096 96 144 85 127 74 111 64 96 520125 125 188 112 168 97 146 84 125 520141 141 212 122 183 107 161 94 141 520202 202 303 177 266 155 233 135 202 520238 238 357 211 317 185 277 160 241 20253 253 379 218 327 191 286 167 251 520302 302 453 275 413 239 358 205 308 520405 405 608 376 564 324 486 274 412 520513 513 769 48 722 411 616 342 513 20585 585 878 558 837 7 711 392 587 520628 628 942 595 893 508 762 424 636 520775 775 1163 756 1134 637 956 521 782 520897 897 1346 895 1342 749 1123 604 906 521153 1153 1730 049 1574 917 1376 791 1187 521403 1403 2105 302 1953 1135 1703 970 1454 521574 1574 2361 486 2229 1290 1936 1091 1637 78A AC 53a 35 15 50 10 Starts per hour On load duty cycle 96 Start time seconds Start current multiple of full load current Starter current rating amperes 710 01534 00K IMS2 Page 49 SPECIFICATIONS Starter Current Rating The full load current rating of the soft starter given the parameters detailed in the remaining sections of the utilisation code Start Current The maximum available start current Start Time The maximum allowable start time On load Duty Cycle The maximum percentage of each operating cycle that the soft starter can operat
40. e Starts Per Hour The maximum allowable number of starts per hour Bypassed Operation 3 0 x FLC 3 5 x FLC 4 0 x FLC 4 5 x FLC AC53b 3 10 350 AC53b 3 5 15 345 AC53b 4 20 340 AC53b 4 5 30 330 45 C lt 1000 metres 45 C lt 1000 metres 45 C lt 1000 metres 45 C 1000 metres mao 18 Ka 41 ee Eu a as 67 E a 136 7e_ 25 ee o e 10 15 ma apar 127 190 11 166 96 185 _1s20238 238 357 24 36 m9 30 16 20 Ims20253 253 381 28 342 19 297 172 2 Ims20585 585 878 585 878 504 756 410 614 ho 75 ie 75 ue 62 wo 57 e Ims21153 1153 1730 1153 1730 1006 1509 eso 1276 ImS21403 1403 2105 1403 2105 1275 1912 1060 159 REE 2361 154 2361 44 212 wo en 90 A AC 53b 35 15 345 Off time seconds Start time seconds Start current multiple of full load current Starter current rating Starter Current Rating The full load current rating of the soft starter given the parameters detailed in the remaining sections of the utilisation code Start Current The maximum available start current Start Time The maximum allowable start time Off Time The minimum allowable time between the end of one start and the beginning of the next start Contact your local supplier for ratings under operating condit
41. e Options Description 34 Motor Thermistor 0 On default Off Enables or disables the phase imbalance protection Options Description 35 Heatsink Overtemperature 0 On default Off Enables or disables the thermistor protection feature Options Description 0 On default Off Enables or disables the IMS2 s heatsink overtemperature protection NOTE A Defeating the protection may compromise starter life and should only be done in the case of emergency 36 Auxiliary Trip Mode Options Description Set Points 40 Low Current Flag Active at all times default Active during starting run and stopping disabled while stopped Active during run only Active 30 seconds after the start command Active 60 seconds after the start command tive 90 seconds after the start command Active 120 seconds after the start command Active 180 seconds after the start command Active 240 seconds after the start command Active 300 seconds after the start command 10 Active 600 seconds after the start command Active 900 seconds after the start command 12 Active 1200 seconds after the start command DNAN U1 R LM KA O gt A Determines when the IMS2 monitors the auxiliary trip input Refer to Function 24 nput A Functionality for further detail Range Description 41 High Current Flag 100
42. e IMS2 an address for RS485 serial communication 63 Serial Protocol Options AP ASCII default 2 Modbus RTU 3 Modbus ASCII Description Selects the protocol for RS485 serial communication 64 Modbus Parity Options 0 No parity default Odd parity 2 Even parity 3 10 bit transmission Description Selects the parity for the Modbus protocol when this protocol has been selected using Function 63 Serial Protocol Auto Reset The IMS2 can be programmed to automatically reset certain trips which can help minimise operating downtime Trips are divided into three categories for auto reset depending on the risk to the soft starter Trip Group Trip Conditions A Phase imbalance Phase loss B Undercurrent Electronic shearpin Auxiliary trip Q Overcurrent Motor thermistor Heatsink overtemperature 70 Auto Reset Configuration Options 0 Off default Reset Group A trips 2 Reset Group A amp B trips 3 Reset Group A B amp C trips Description Selects which trips will be automatically reset If the start signal is still present the IMS2 will attempt to start the motor after a delay CAUTION If the start signal is still present when the soft starter auto resets the motor will restart Before enabling auto reset ensure that personal safety is not endangered and that all relevant safety measures and or regulations are complied with 71 Auto
43. e set to 0 and there must be a closed circuit across Input A when a start is called for Auxiliary trip The IMS2 can be tripped by a remote circuit connected to normally open nput A when Function 24 Input A Functionality is set Auxiliary trip normally open A closed circuit across Input A trips the IMS2 Functionality of the auxiliary trip feature can be adjusted using Function 94 Auxiliary Trip Delay and Function 36 Auxiliary Trip Mode 2 Auxiliary trip The IMS2 can be tripped by a remote circuit connected to normally closed nput A when Function 24 nput A Functionality is set 2 Auxiliary trip normally closed An open circuit across Input A trips the IMS2 Functionality ofthe auxiliary trip feature can be adjusted using Function 94 Auxiliary Trip Delay and Function 36 Auxiliary Trip Mode 3 Emergency run n emergency run the soft starter continues to run until stopped ignoring specified protection functions are ignored Closing the circuit across Input A activates emergency run The IMS2 will start the motor if not already running and continue operation ignoring the trip conditions specified in Function 114 Emergency Mode Format Opening the circuit across Input A ends emergency run and returns control to the normal control circuits Functionality of the trip relay during emergency run operation is determined by Function 115 Emergency Mode Trip Relay
44. emote control modes NOTE All LEDs and the Numeric Display are illuminated for approximately one second to test their operation when control power is first applied Diagnostic LEDs The diagnostic LEDs indicate the voltage across the SCRs on each phase of the soft starter The LEDs should be brightly lit when the soft starter is powered up but not running and should gradually fade to off while the IMS2 is performing a soft start Ifthe LEDs are not behaving as expected or if one LED is behaving differently from the other two this helps identify which phase may be faulty Each LED relates to the input phases as follows IMS2 0018 IMS2 0253 IMS2 0302 IMS2 1574 Remote Control 9 3 IMS2 operation can be controlled via the remote control inputs when the soft starter is in remote mode Use the lt LOCAL REMOTE gt pushbutton to switch between local and remote modes Refer to Control Wiring on page 12 for further detail Restart Delay 9 4 Function 32 Restart Delay sets the minimum period between the end of a stop and the beginning of the next start During the restart delay period a LED to the right of the numeric display will flash indicating that a restart cannot be attempted yet Pre Start Tests 9 5 Before applying voltage to the motor when a start is initiated the IMS2 first performs a series of tests to check the motor connection and supply conditions Secondary Motor Settings IMS
45. es the motor thermal model has been manually adjusted Page 34 IMS2 710 01534 00K OPERATION Section 9 Operation 9 1 Local Control Panel O gi umeric LED display Cot os U LC loc P I Starter status LEDs Diagnostic LEDs Cine Operation pushbuttons A Programming pushbuttons O 03 Remote input status LEDs Numeric LED display The display consists of a numeric information area and three LEDs to the right During operation the display can show either motor current amperes or the motor temperature calculated by the soft starter and shown as a percentage of the motor s thermal capacity The LEDs at the right of the display indicate which information is being shown Use the lt UP gt and lt DOWN gt pushbuttons to select current or temperature display e If the motor current exceeds the display area the display will show dashes e If the soft starter trips the Code LED will activate and the display will show the appropriate trip code e When the IMS2 is in Programming Mode all display LEDs are on e Ifthe Amps or Temp LED is flashing while the IMS2 is stopped the soft starter is waiting for the restart delay to elapse refer to Function 32 for details Starter status LEDs Start Voltage is being applied to the motor terminals Run Full voltage is being applied to the motor terminals Trip The IMS2 has tripped Remote The
46. hanghai 200120 PRC Phone 86 2 5877 5178 u n dim mn Fax 86 21 5877 6378 Email contact aucom com cn Avenida Carrera 97 No 24c 5 Bodega 14 Bogota Colombia Phone 57 404 3333 ax 57 404 5048 mail colombia aucom com del Seminario No 60 Plaza Milenium Local 4B iantini Santo Domingo ominican Republic hone 1 809 412 1634 ax 1 809 616 2007 mail dominican republic aucom com 69 El Fosat Building Flat 13 PO Box 39 El Dawaween Cairo 1152 Egypt Phone 20 2 9186042 Fax 20 2 7958568 Email egypt aucom com U U U Page 56 IMS2 710 01534 00K AUTHORISED REPRESENTATIVES 4 Greece Valiadis amp Co Limited India Larsen amp Toubro Limited Indonesia PT Winindo Karya Dinamika Iran Parto Sanat Company Lebanon Al Rawan s a Malaysia Hi Tech Drives M Sdn Bhd Mexico Saftronics Incorporated Micronesia Asia Pacific Industries Incorporated 10 G Labraki Str 14123 Likovrissi Athens Greece Phone 30 10 281 7217 Fax 32 10 281 4277 Email greece aucom com Automation Systems Centre A 600 TTC Electronic Zone Shil Mahape Road avi Mumbai 400 710 ndia Phone 91 22 6722 6200 Fax 91 22 2778 3032 Email india aucom com Jl Ciputat Raya 8 H ompleks Pinang 8 Pondok Pinang Jakarta Selatan 12310 ndonesia Phone 62 21 769 7383 Fax 62 21 7590 5777 Email indonesia aucom com o 1281 Valli A
47. he motor termination box 03474 A f the motor windings are connected in delta there will be three links fitted Each link is connected from a terminal in the top row to one in the bottom row fthe motor windings are connected in star there will be one link fitted This link is connected to all three terminals in one row For inside delta connection remove all links from the motor termination box Connect the three output terminals of the soft starter TI T2 T3 to one end of each motor winding Connect the opposite end of each motor winding to a different phase on the starter s input For example e Remove the links from the motor termination box e Connect the incoming phases to LI L2 L3 on the IMS2 e Connect each output phase from the IMS2 to one end of an individual motor winding TI UI T2 V1 T3 W1 e Connect the other end of each individual motor winding to a different phase on the soft starter s input U2 L2 V2 L3 W2 LI L1 T1 92 L2 T2 o L3 T3 ole l s v 3 D CAUTION When connecting the IMS2 in inside delta configuration always install a main contactor or shunt trip circuit breaker Page 10 IMS2 710 01534 00K POWER CIRCUITS 5 5 Inside Delta Connection Bypassed IMS2 starters support inside delta connection with bypass b 0347
48. ication on the circuit across Input A Identify and correct the cause of the trip condition on Input A u Out of range FLC The IMS2 has detected that the motor is connected in line and that the setting for Function or 80 Motor Full Load Current is greater than the IMS2 s maximum capability for this connection format Reduce the programmed value then reset the IMS2 The IMS2 cannot be reset until the full load current setting has been corrected Alternatively remove control voltage from the IMS2 and reconnect the motor in inside delta configuration B Invalid motor connection The IMS2 cannot detect a valid motor circuit connection Ensure the motor is connected to the IMS2 in a valid configuration either in line or inside delta Refer to Power Circuits for further detail Y CPU error Reset the trip condition be removing and re applying control voltage to the IMS2 If the problem persists contact your local supplier y Incorrect main control module The IMS2 is fitted with an incompatible main control module Contact your local supplier for assistance 10 2 Trip Log The IMS2 includes a trip log that records the last eight trip events Each trip is numbered Trip is the most recent trip and Trip 8 is the oldest recorded trip Y Most recent trip is A 2 Previous trip Trip number Trip code 8 Oldest stored trip 03337 B The trip log can be viewed by selecting Function 103 7n
49. il the beginning of a stop eit her soft stop or coast to stop nctions 21 22 and 23 n Contactor the output activates as soon as the soft starter receives a start command and the motor starts a coast to stop or until the t Run the output activates when the soft starter completes its pre start tests and remains active rter is controlling the motor until the motor start s a coast to stop or until the end of a soft p function the output activates when the specified trip occurs to a flag the output activates when the specified flag is active refer to Functions 40 41 and 42 ble for direct switching with PCB mount relays Consult the Motor thermistors if installed in the motor may be connected directly to the IMS2 The soft starter will trip when the resistance of the thermistor circuit exceeds approximately 2 8 KQ The IMS2 can be reset once the thermistor circuit resistance falls below approximately 2 8 KQ No motor thermistors Motor thermistors NOTE If the thermistor circuit is open the IMS2 will not run The thermistor circuit should be run in screened cable and must be electrically isolated from earth and all other power and control circuits If no motor thermistors are connected to the IMS2 there must be a link across the thermistor input terminals B4 B5 or Function 34 Motor Thermistor must be set to Off B4 B5 B4 B5 03314 B Thermistor input 710 01534 0
50. in contactor brake PATI Run delay timer J LT tart pushbutton top pushbutton Reset pushbutton LT Function settings e Function 23 Relay Output C Functionality O Trip e Function 24 Input A Functionality O Parameter Set Selection e Functions to 9 set starting performance characteristics e Functions 80 to 88 set braking performance characteristics NOTE f the IMS2 trips on supply frequency trip code 5 when the braking contactor KM2 opens increase the setting of Function 93 Out of Frequency Trip Delay Page 46 IMS2 710 01534 00K APPLICATION EXAMPLES 11 6 Two Speed Motor 4 The IMS2 can be configured for control of dual speed Dahlander type motors using a high speed contactor KM low speed contactor KM2 and a star contactor KM3 When the soft starter receives a high speed start signal it closes the high speed contactor KM and star contactor KM3 then controls the motor according to the primary motor settings Functions to 9 When the soft starter receives a low speed start signal it closes the low speed contactor KM2 This closes Input A and 033325 the IMS2 controls the motor according to the secondary motor settings Functions 80 to 88 KM3 Zo ya Ho ote
51. inium to copper joints Page 6 IMS2 710 01534 00K INSTALLATION 4 4 3 Mounting Instructions Models IMS20018 IMS20253 can be wall mounted or installed inside another enclosure These models can be mounted side by side with no clearance but a 100 mm allowance must be made top and bottom for air intake and exhaust Y 100 mm 0000 oso a OT S na Doom 100mm WY tt WY ja UM Models IMS20302 IMS21574 have an IPOO rating and must be mounted in another enclosure These models can be mounted side by side with no clearance but a 200 mm allowance must be made top and bottom for air intake and exhaust Y MMMM Z 200 mm 200 mm 5 EN 0 0 03343 B 710 01534 00K IMS2 Page 7 INSTALLATION 4 4 Ventilation When installing IMS2 starters in an enclosure there mus t be sufficient airflow through the enclosure to limit heat rise Temperature within the enclosure must be kept at or below the IMS2 maximum ambient temperature rating If installing an IMS2 within a to soft starter during run Soft starters dissipate approxi selected motor currents If other heat sources are instal allowance must be made for within the
52. ions not covered by the above ratings charts Page 50 IMS2 710 01534 00K IMS2 Minimum and Maximum Current Settings SPECIFICATIONS The minimum and maximum settings for Function Motor Full Load Current are model dependent The minimum and maximum values for different IMS2 models are shown in the table below all values in amperes In line connection Inside delta connection Model MR RE H SSSR AAA __ OI O 2 24 3 sese __ 3 o amp EE sos 7 a 157 109 _ sor de 38 o 386 sor a o C 8 sist C 2 a oa 12 3 Dimensions and Weights IMS20018 IMS20253 AA Pena A B C a b Weight mm inch mm inch mm inch mm inch mm inch kg Ib S20018 S20034 380 185 180 365 130 6 52004 14 96 7 28 7 09 14 37 5 12 13 2 S20047 S20067 S20088 380 185 250 365 130 10 520096 14 96 7 28 9 84 14 37 5 12 22 520125 520141 520202 425 270 275 410 200 18 520238 16 73 10 63 10 83 16 14 7 87 39 6 520253 425 390 275 410 300 23 16 73 15 35 10 83 16 14 11 81 50 6 710 01534 00K IMS2 Page 51 SPECIFICATIONS IMS20302 IMS21574 9 0 Le 03335
53. istchurch 8440 New Zealand T 64 3 338 8280 F 64 3 338 8104 E enquiry aucom com W www aucom com x o o 1 m LO
54. itial Start Current Range 100 550 FLC Default 350 Description Sets the initial start current level for current ramp start mode Refer to Function 3 for details 83 Start Ramp Time Range 30 seconds Default second Description Sets the ramp time for current ramp start mode Refer to Function 4 for details 84 Stop Ramp Time Range 0 100 seconds Default 0 seconds Description Sets the soft stop ramp time for soft stopping the motor Refer to Function 5 for details 85 Motor Start Time Constant Range 0 120 seconds Default 10 seconds Description Sets the motor thermal capacity used by the IMS2 motor thermal model Refer to Function 6 for details NOTE A A setting of 0 seconds disables the IMS2 motor thermal model Use this setting only if another form of motor protection is used 86 Phase Imbalance Sensitivity Range 1 10 Default 5 Description Sets the sensitivity of the phase imbalance protection Refer to Function 7 for details 87 Undercurrent Protection Range 0 100 FLC Default 20 Description Sets the trip point for undercurrent protection as a percentage of motor full load current Refer to Function 8 for details 88 Electronic Shearpin Protection Range 80 550 FLC Default 400 Description Sets the trip point for electronic shearpin protection as a percentage of motor full load current Refer to Function 9 for details
55. jp Logand using the lt UP gt and lt DOWN gt pushbuttons to scroll NOTE The IMS2 records trips in the trip log immediately after they are detected This requires control voltage to be present after the trip Trips caused by or involving a loss of control voltage are not recorded Trip Log Marker A marker can be inserted in the trip log to identify trips that have occurred after the marker was placed To insert a marker enter Programming Mode and select Function 103 77p Log To set the marker simultaneously press the lt UP gt SDOWN and lt STORE gt pushbuttons The marker is added as the most recent trip and is displayed as three horizontal lines 710 01534 00K IMS2 Page 39 TROUBLESHOOTING 10 3 NOTE Trip markers must General Faults be separated by at least one trip Markers cannot occur consecutively in the trip log Symptom Cause IMS2 will not operate Local pushbuttons not active The IMS2 may be in remote control mode refer to Function 20 Local Remote Operation Remote control inputs not active The IMS2 may be in local control mode refer to Function 20 Local Remote Operation Faulty start signal Verify any circuits connected to the IMS2 remote control inputs The state of the remote circuits is indicated by the IMS2 remote input status LEDs The LEDs are illuminated when there is a closed circuit To start successfully there must be a closed circuit across the start stop and reset circuit
56. l amperes when protected by maximum fuse sizes refer to Fuses on page 52 3 This product has been designed and certified as Class A equipment Use of this product in domestic environments may cause radio interference in which case the user may be required to employ additional mitigation methods 710 01534 00K IMS2 Page 55 AUTHORISED REPRESENTATIVES Section 13 Authorised Representatives AuCom Electronics Limited Argentina Elinsur S R L Australia NHP Electrical Engineering Pty Limited Canada Saftronics Incorporated Chile Rhona S A China AuCom Shanghai Representative Office Colombia CI ESI de Colombia S A Dominican Republic Varel S A Egypt TEM Engineering 123 Wrights Rd PO Box 80208 Christchurch 8440 New Zealand Phone 64 3 338 8280 Fax 64 3 338 8104 Email contact aucom com AV Francisco F De La Cruz 3487 Capital Federal C1437HAA Argentina Phone 54 11 4918 2056 Fax 54 11 4918 1183 Email argentina aucom com 43 67 River Street Richmond Victoria 3121 Australia hone 61 3 9429 2999 ax 61 3 9428 6909 mail australia aucom com 580 Enterprise Parkway ort Myers Florida FL 33905 United States of America Phone 1 239 693 7200 Fax 1 239 693 2431 Email canada aucom com Agua Santa 421 Casilla 30 D Vina del Mar Chile Phone 56 32 2 320600 Fax 56 32 2 320618 Email chile aucom com Room 3506 Bank of China Tower 200 Yincheng Road Central Pudong S
57. lose the motorised breaker directly and use the breaker s auxiliary contacts or a slave relay with gold flash contacts to control the soft starter Select a main contactor with AC3 rating is equal to or greater than the full load current rating of the connected motor 710 01534 00K IMS2 Page CONTROL CIRCUITS Section 6 Control Circuits 6 1 Electrical Schematic 3 2 5 C23 C24 C31 C32 Caca GG Thermistor input 6 Analog output 6 2 Control Voltage Voltage must be connected to the soft starter s control voltage terminals The correct control voltage depends on the soft starter model s IMS2xxxx xx C12 xx xx models 10 VAC A1 A2 or 230 VAC A2 A3 s IMS2xxxx xx C24 xx xx models 230 VAC A2 A3 or 400 VAC Al A2 s IMS2xxxx xx C45 xx xx models 460 VAC A1 A2 or 575 VAC A2 A3 IMS2 Model Maximum VA IMS20018 IMS20047 II VA IMS20067 IMS20125 18 VA IMS20141 IMS20238 24 VA IMS20253 IMS20897 41 VA IMS21153 IMS21574 56 VA 6 3 Control Wiring IMS2 operation can be controlled using the local control pushbuttons remote control inputs or the serial communications link The lt LOCAL REMOTE gt pushbutton can be used to switch between local and remote control Refer to Function 20 Local Remote Operation for details Page 12 IMS2 710 01534 00K Remote Control Inputs CONTROL CIRCUITS The IMS2 has four remote control i
58. lues does not cause communication problems 7 2 AP ASCII Protocol The message fragments used in communicating with the IMS2 are shown below The message fragments may be assembled into complete messages as described in the sections that follow T NOTE Data must be transmitted in 8 bit ASCII no parity one stop bit Message Fragment Type ASCII Character String or O aa OO o Send address EOT Irc ENG or e lo M w Send command rc 1 Receive data Receive status ACK acknowledge NAK negative acknowledge ERR error Page 14 IMS2 710 01534 00K SERIAL COMMUNICATION 4 nn two byte ASCII number representing the soft starter address where each decimal digit is represented by n Irc two byte longitudinal redundancy check in hexadecimal ccc three byte ASCII command number where each character is represented by c dddd four byte ASCII number representing the current or temperature data where each decimal digit is represented by d ssss four byte ASCII number The first two bytes are ASCII zero The last two bytes represent the nibbles of a single byte of status data in hexadecimal Commands Commands can be sent to the soft starter using the following format Send ACK Send ACK address command Possible error responses NAK Invalid LRC si Master Slave soft starter Command ASCII Comment Start BIO Initiates a start Stop BI2 I
59. nal device eg 102 66 A 65 A NOTE This adjustment affects all current based functions Analogue Ouptut 50 4 20 mA Output Functionality Options O Current FLC default Motor temperature maximum temperature of trip point ie 10596 Description Selects the functionality of the analogue output Performance of the 4 20 mA signal can be adjusted using Functions 51 and 52 Analogue Output Range Maximum and Minimum 51 4 20 mA Output Range Maximum Range 0 255 Default 100 Description Determines the value represented by a 20 mA signal from the analogue output 52 4 20 mA Output Range Minimum Range 0 255 Default 0 Description Determines the value represented by a 4 mA signal from the analogue output Serial Communications 60 Serial Timeout Range 0 100 seconds Default 0 off Description Sets the maximum allowable period of RS485 serial inactivity NOTE A A setting of O seconds disables the serial timeout protection and enables the IMS2 to continuing operating even if the RS485 serial link becomes inactive 61 Serial Baud Rate Options 1200 baud 2 2400 baud 3 4800 baud 4 9600 baud default 5 19200 baud Description Selects the baud rate for RS485 serial activity 62 Serial Satellite Address Range 99 Default 20 710 01534 00K IMS2 Page 29 PROGRAMMABLE PARAMETERS 4 Description Assigns th
60. nd Measurements Page 38 IMS2 710 01534 00 TROUBLESHOOTING Q Undercurrent trip The IMS2 has measured a run current lower than the limit set in Function 8 Undercurrent Protection Identify and correct the cause of the undercurrent event then reset and restart the IMS2 If the problem persists the main control module may be damaged Contact your local supplier for assistance IRS485 communication fault The RS485 serial link connected to the IMS2 has been inactive for a period of time greater than set in Function 60 Serial Timeout Restore the RS485 serial link E EEPROM read write failure The IMS2 has failed to read or write to the internal EEPROM Remove then reapply control voltage If the problem persists contact your supplier F Heatsinkovertemperature trip The IMS2 heatsink temperature sensor has activated Check that the IMS2 has sufficient ventilation e cooling air is able to freely circulate through the IMS2 e the IMS2 cooling fans if fitted are operating Allow the IMS2 to cool then attempt to restart If the problem persists contact your local supplier H Forced communications trip The IMS2 has been tripped by a command from the RS485 serial communications network Reset and restart the IMS2 dd Auxiliary trip Input A has been assigned to the auxiliary trip function refer to Function 24 Input A Functionality and the IMS2 has detected a trip ind
61. nitiates a stop Reset BI4 Resets a trip state Quick stop Bl Initiates an immediate removal of voltage from the motor Any soft stop settings are ignored Forced communication trip B18 Causes a communications trip Status Retrieval Starter status can be retrieved from the soft starter using the following format Send ACK Send Receive address request status Possible error responses NAK Invalid LRC C Master Slave soft starter Request ASCII Receive Status ssss Version CI6 Serial protocol version number Trip Code CI8 Requests the trip status of the IMS2 255 Notrip 0 Shorted SCR Excess start time 2 otor overload thermal model 3 otor thermistor 4 Phase imbalance 5 Supply frequency 6 Phase sequence 7 Electronic shearpin 8 Power circuit fault 9 Undercurrent 0 Heatsink overtemperature F Invalid motor connection P 2 Auxiliary input J 3 Out of range FLC L 4 Incorrect main control module Y 5 RS485 communication fault C 6 Forced communication trip H 7 CPU error U Product Version C20 Bit No Description 0 2 Function list version 3 7 Starter type 2 IMS2 710 01534 00K IMS2 Page 15 SERIAL COMMUNICATION Starter Status C22 Bit No Description 0 3 0 Not used Waiting 2 Starting incl Pre start tests unning topping estart Delay ripped rogramming Mo
62. no load current typically 25 35 of rated full load current A setting of 0 disables the protection NOTE Undercurrent protection only operates while the soft starter is running 9 Electronic Shearpin Protection Range 80 550 FLC Default 400 Description Sets the trip point for electronic shearpin protection as a percentage of motor full load current NOTE Electronic shearpin protection only operates while the soft starter is running The activation of this trip can be delayed by setting Function 92 Electronic Shearpin Delay Start Stop Formats 10 Torque Control Options 0 Off default On Description Enables or disables the torque control function Torque control provides a more linear acceleration than current limit or current ramp start modes alone Kickstart Options 0 Off default On Description Activates the kickstart function Kickstart provides extra torque at the beginning of a start and can be useful for accelerating loads that require high breakaway torque but then accelerate easily NOTE A Kickstart subjects the mechanical equipment to increased torque levels Ensure the motor load and couplings can handle the additional torque before using this feature 710 01534 00K IMS2 Page 25 PROGRAMMABLE PARAMETERS 12 Soft Stop Mode Options O Standard soft stop default Pump control Description Selects the active soft stop mode The
63. nputs Contacts used for controlling these inputs should be low voltage low current rated gold flash or similar Remote pushbutton control o C a a c CH CAUTION with potential free contacts Contacts or switches operating gold flash or similar Cables to the control inputs mu Relay Outputs motor full load Operation of t assi f assi while the stop f assi f assi gned gned gned to Mai to Start soft sta oft stop gned to a tri CAUTION Some electronic contactor coils are not suital Two wire control c23 H C24 081 C32 a E Cat a E a C42 053 C54 03311 C Do not apply voltage to the control input terminals These are acti The IMS2 provides four relay outputs one fixed and three programmable he programmable outputs is determined by the settings of Fu remains active while the soft starter is controlling the motor until endofas contactor manufacturer supplier to confirm suitability Motor Thermistors ve 24 VDC inputs and must be controlled the control inputs must be suitable for low voltage low current switching ie st be segregated from mains voltage and motor cabling The Run output closes when the soft start is complete when the starting current falls below 20 of the programmed current and remains closed unt
64. nt too low Check the load is not jammed Increase start current using Function 2 Current Limit Erratic motor operation and tripping SCRs not latching SCRs require a minimum current flow to latch on In situations where large soft starters are controlling very small motors the current drawn may be insufficient to latch the SCRs Reduce soft starter size or increase motor size Soft stop ends before the programmed ramp time Motor will not stall The IMS2 has significantly reduced the voltage applied to the motor without detecting a reduction in motor speed This indicates that with present motor loading further control of the voltage will be ineffectual The IMS2 has terminated the soft stop IMS2 will not enter Programming Mode The IMS2 is running The IMS2 must be stopped before Programming Mode can be accessed No or incorrect control voltage Ensure the correct control voltage is applied to the inputs Al A2 A3 Function settings cannot be made or are not recorded Incorrect programming procedure Function settings must be stored using the lt STORE gt button Refer to Programming Procedure for further detail Function settings are locked Ensure that Function 112 Function Lock is set to Read Write Page 40 IMS2 710 01534 00K 10 4 Tests and Measurements TROUBLESHOOTING 4 Power circuit test This snubber circuits Remove the incoming main
65. or high inertia loads the IMS2 can be configured for soft braking In this application the IMS2 is employed with forward run and braking contactors When the IMS2 receives a start signal pushbutton SI it closes the forward run contactor KM and controls the motor according to the programmed primary motor settings When the IMS2 receives a stop signal pushbutton S2 it opens the forward run contactor KM and closes the braking contactor KM2 after a delay of approximately 2 3 seconds KTI KA3 is also closed to activate the secondary motor settings which should be user programmed for the desired stopping performance characteristics When motor speed approaches zero the shaft rotation sensor A2 stops the soft starter and opens the braking contactor KM2 1 dododo o o o d it L2 L3 A1 A2 A3 B4 B5 41 Be 0 6 T 1 fr E T 1 T 1 Ti T2 T3 E C23 C24 C31 C32 CAI C42 C53 C54 42 Q o Q e o o o o KA2 s3 KA3 LE KA1 KA3 s2 KA4 A2 N E N km Km anna KT2 KT1 S1 KA1 K11 kM2KA1 S Yi KT1 d va KT2 H ANN YN 9 va KM1 KM2 KA1 KA2 KA3 KA4 A RE CE D oO oO 3 KIM and K2M must be mechanically interlocked INN sins voltage a ontrol voltage 2 3 5 haft rotation sensor PRAT Start relay KAS Brake relay OOOO KM otation sensing relay mim Sr ous SSS rogrammable output C BE lt A lt a
66. osa 50 Hz mains supply 60 Hz mains supply Function 93 Time delay trip Instantaneous trip Time delay trip Instantaneous trip setting 0 59 seconds 45 Hz 48 Hz lt 45Hz 55Hz 58Hz lt 55H 60 seconds 36424802 lt 36Hz 46Hz 58Hz lt 46H2 NOTE A If the supply frequency drops below the instantaneous trip level the IMS2 will trip immediately regardless of the delay setting 94 Auxiliary Trip Delay Range 0 240 seconds Default O seconds Description Slows the IMS2 s response to an auxiliary trip refer to Function 24 Input A Functionality Read Only Data Read Only Data contains information on the soft starter s model and operating history These functions cannot be adjusted 100 Model Number Range 22 Description A diagnostic parameter used to identify the power assembly type IMS20018 and 22 IMS21574 101 Start Counter 1000 s Range 000 999 000 Description Displays the number of successful starts Read in conjunction with Function 102 for total start count 102 Start Counter I s Range 0 999 Description Displays the number of successful starts Read in conjunction with Function 101 for total start count NOTE It is normal for the IMS2 to record a small number of starts during factory testing 103 Trip Log Range x 8 x Description Displays the IMS2 trip log Use the lt UP gt and lt DOWN gt push
67. otection features 2 1 Feature List Starting Human interface e Constant current e Local pushbuttons e Current ramp Start Stop Reset Local Remote e Torque control e Local programming pushbuttons e Kickstart Function Up Down Store Stoppi e LED parameter display dea e Starter status LEDs e Soft stop e Pump stop Power connection e Soh braking e In line or inside delta e Bypass connections to retain motor protection even Protector when bypassed otor overload thermal model e 18 A to 1574 A in line e Motor thermistor input 27 A to 2361 A inside delta Phase imbalance e 200 VAC to 525 VAC V5 models Phase rotation e 200 VAC to 690 VAC V7 models e Electronic shearpin Sundry features U s IP42 or IP54 lt 253 A e IPOO gt 302 A e Current read out ndercurrent e Auxiliary trip input e Starter heatsink overtemperature ei ARCS start time N otor temperature read out e Supply frequency e Shorted SCR e Power circuit e Trip log eight position ultiple function sets e Restart delay Motor connection e High and low current flags e Serial interface failure N otor temperature flag Interface e Auto reset e Remote control inputs e Auto stop 3 x fixed x programmable e Starhcounter e Relay outputs fixed 3 x programmable e 4 20mA output x programmable e RS485 serial link e Function lock Password protection tore Restore function settings
68. ox Programmable Input A Terminals C53 C54 Active 24 VDC 8 mA approx Outputs Relay Outputs tala ii a kala 5 A 30 VDC or 250 VAC resistive 360 VA inductive Run Output Terminals 23 Lili iii Normally Open Programmable Relay Output A Terminals 13 14 nn Normally Open Programmable Relay Output B Terminals 33 34 een Normally Open Programmable Relay Output Terminals 41 42 44 ue a a eee Changeover Analogue Output Terminals BIO BINI ara a 4 20 mA maximum burden 500 Q Sundry Enclosure rating NSP ii tia IPOO open chassis IMSS OO ar MN is RN a cae ea nea Mine IP42 IMSZL SOS e IP54 Rated short circuit current IMS20018 MS 2089 7 VE dic Pr en aaa 42 KA Rated insulation Voltage scares AOS 690 V Surges 2 kV line to earth kV line to line SETT a ata los 2 kV 5 kHz Form designationi Eos Form Electrostatic discharges EE 4 kV contact discharge 8 kV air discharge Eguipment class EME sunniti elio ne re aan Class A 3 Radio frequency electromagnetic field nn 0 15 MHz 80 MHz 140 dBuV 80 MHz GHz 10 V m Pollution degree Ea Pollution Degree 3 Operating Ud ie 5 C 60 C Relative NUM Die 5 95 max non condensing Standards Approvals CE IEC 60947 4 2 UE TAC renale an ai UL 508 2 CY cara aa oi IEC 60947 4 2 Refer to Fuses on page 52 for details of maximum fuses sizes required for Type and Type 2 short circuit protection 2 Suitable for use on circuits capable of not more than 42 000 RMS symmetrica
69. p 9 Motor temperature flag 3 Motor thermistor trip 10 Start Run 4 Heatsink overtemperature trip Main contactor default 5 Phase imbalance trip 12 Auxiliary trip 6 Electronic shearpin trip Description Selects the functionality of programmable Relay Output A Start signal Current I i 120 s 1 FLC 7 i Output voltage f i Relay functions Main contactor Zal 1 L Start run y i 1 oa n 1 3 In Run n 18 ss h H i Pre start tests Ade 22 Relay Output B Functionality Range 0 12 Default 10 Start Run Description Assigns the functionality of programmable Relay Output B Refer to Function 21 Relay Output A Functionality for details 23 Relay Output C Functionality Range 0 12 Default 0 Tripped Page 26 IMS2 710 01534 00K PROGRAMMABLE PARAMETERS AA A Description 24 Input A Functionality Assigns the functionality of programmable Relay Output C Refer to Function 21 Re ay Output A Functionality for details Description Options Determines the functionality of programmable Input A O Parameter set selection The IMS2 can be programmed with two separate sets of default motor and starting data The primary parameter set is programmed using Functions 9 The secondary parameter set is programmed using Functions 80 88 To use the secondary parameter set Function 24 Input A Functionality must b
70. restore these at a later date 14 Emergency Mode Format Options 0 Off default Trip Group A 2 Trip Group A amp B 3 Trip Group A B 8 C 4 All trips Description Sets which trip conditions are ignored during Emergency Mode operation Refer to Function 24 Input A Functionality for a description of Emergency Mode operation Trip Group Trip Conditions A Phase imbalance Phase loss B Undercurrent Electronic shearpin Auxiliary trip Overcurrent Motor thermistor Heatsink overtemperature 15 Emergency Mode Trip Relay Operation Options 0 Trips not indicated default Trips indicated Description Sets whether or not output relays assigned to the trip function refer to Functions 21 22 amp 23 change state if the soft starter trips which operating in Emergency Mode Refer to Function 24 Input A Functionality for a description of Emergency Mode operation 116 Thermal Model Override Range 0 150 Description Allows the motor thermal model to be manually adjusted In emergency situations the motor thermal model can be manually decreased to allow a restart of the motor CAUTION Adjusting the motor thermal model may compromise motor life and should only be done in the case of emergency 710 01534 00K IMS2 Page 33 PROGRAMMABLE PARAMETERS 17 Thermal Model Override Count Range 0 255 Description Displays the number of tim
71. s No or incorrect control voltage Ensure the correct control voltage is applied to the inputs Al A2 A3 Restart delay active The IMS2 cannot be started during the restart delay period The period of the restart delay is set using Function 32 Restart Delay Auto reset function active If there has been a trip and the Auto reset function is active the fault must be manually reset before a manual restart can be attempted refer to Functions 70 71 72 73 Auto Reset IMS2 in Programming Mode The IMS2 will not run while in Programming Mode Uncontrolled start Power factor correction capacitors connected to the IMS2 output Remove any power factor correction from the output of the soft starter Connecting power factor correction capacitors to the output of a soft starter can cause damage to the SCRs so they should be checked using the Power Circuit Test described in 7ests and Measurements Damaged SCRS Verify soft starter operation using the Power Circuit Test described in 7ests and Measurements Damaged firing circuit Verify the IMS2 SCR firing circuit using the Power Circuit Test described in Tests and Measurements IMS2 display shows an h The lt START gt pushbutton on the local control panel is stuck restore normal operation Start command given during the restart delay period Wait for the restart delay to elapse Release the pushbutton to The motor will not accelerate to full speed Start curre
72. s affected All three LEDs should be on when mains voltage is present but the motor is not running If an LED is off an SCR on that phase is damaged SCR damage can be verified using the Power Circuit Test described in Tests and Measurements Contact your local supplier for assistance Excess start time trip Motor start time has exceeded the limit set in Function 30 Excess Start Time The load may be jammed or the starting load may have increased since the soft starter was commissioned Verify that the start current is as expected using the Start Performance Test described in 7ests and Measurements 2 Motor overload trip The motor has been overloaded and has reached its thermal limit as calculated by the IMS2 thermal model Remove the cause of the overload and let the motor cool before restarting NOTE A If the motor needs to be immediately restarted in an emergency situation and motor life can be risked the IMS2 motor thermal model can be overridden using Function 16 7herma Model Override 3 Motor thermistor trip The motor thermistors have indicated an overtemperature situation 2 Identify and correct the cause of the motor overheating 3 Ifno thermistors are connected to the IMS2 ensure there is a closed circuit across the motor thermistor input terminals B4 B5 or that the motor thermistor protection is turned off by set Function 34 Motor Thermistor Y Phase imbalance trip An imbalance in the phase curren
73. s sup test verifies the S2 power circuit includi ply from ng the SCR firing loom and control module the IMS2 LI L2 L3 and control supply Remove the Main Control Module from the starter and measure the 2 Remove the motor cables from the output terminals of the IMS2 TI T2 T3 3 Use a 500 VDC insulation tester to measure the resistance between the input and output of each phase of the IMS2 LI TI L2 T2 L3 T3 Note that low voltage ohmmeters or multimeters are not adequate for this measurement 4 The measured resistance should be close to 33 k and approximately equal on all three phases 5 Ifa resistance of less than 10 kQ is measured across the SCR the SCR should be replaced 6 Ifa resistance greater than 60 kQ is measured across the SCR there could be a fault with the MS2 control module or firing loom Power transformer test This test verifies operation of the IMS2 power transformer power transformer output voltage to the Main Control Module The values should be e Green yellow earth e Purple OVAC e Orange 13 16 VAC Control input test This test verifies circuits connected to the IMS2 remote control inputs Start Stop Reset and Input A easure the voltage across each input With the remote circuit closed there should be 0 VDC measured If 24 VDC is measured the switch control is incorrectly connected or faulty Start performance test This l LES
74. setting Settings are right justified and do not flash Step 2 Alter the function setting Use the lt UP gt and lt DOWN gt pushbuttons to adjust the setting To cancel changes press the lt FUNCTION gt pushbutton Step 3 Store the new setting Press the lt STORE gt pushbutton to store the displayed setting 2 To check that the new value has been correctly stored press then release the lt FUNCTION gt pushbutton The display will show the new setting Step 4 Exit Programming Mode Once all changes have been made exit Programming Mode by using the lt FUNCTION gt and lt DOWN gt pushbuttons to select Function O Run Mode DDD 03967 A srrr ron Oremore SE Da a a OOO srarr run Erme Opremom LOCAL ES A N 03969 A 03970 A 03967 A 710 01534 00K IMS2 Page 21 PROGRAMMABLE PARAMETERS 8 2 Function List N N pe 8 Y ce 8 Y No Function o 3 lt No Function G 7 7 DE vO Vv DY 0 oO Primary Motor Settings EOS 5 Secondary Motor Settings ces 5 Motor Full Load Current i 80 Motor Full Load Current S 2 Current Limit 350 81 Current Limit 350 3 Initial Start Current 350 82
75. specified level and keeps the current stable at that level until the motor has accelerated 2 neq A a E 600 Su D DS Y 500 Ne 400 s B Initial current Function 3 5 300 Sa 2 Current limit Function 2 2 2 oud 3 Full voltage current N ba 100 a 3 E T T T T T T T T T 7 10 20 30 40 50 60 70 80 90 100 Rotor speed full speed Constant current starting is ideal for applications where the start current must be kept below a particular level Set the current limit so that e The motor is supplied with sufficient start current to enable it to produce enough torque to easily accelerate the connected load e Desired starting performance is obtained e IMS2 ratings are not exceeded 3 Initial Start Current Range 100 550 FLC Default 350 Description Sets the initial start current level for current ramp start mode Function 3 Initial Start Current and Function 4 Start Ramp Time are used together to activate and control the current ramp start mode Current ramp soft starting raises the current from a specified starting level 1 to a maximum limit 3 over an extended period of time 2 T 700 o En I ESSE SAS ee Le D AS E 600 ee gt aN LJ x 3 500 8 x 400 sf 5 i 8 Initial current Function 3 5 300 2 Start ramp time Function 4 9 200 3 Current limit Function 2 gt 4 Full voltage current Pas 100 a S D 8 E T T T T T T T T g 10 20
76. sr Ave ext to 14th Gandi St Tehran Iran Postcode 1517843315 Tel 98 0 21 8866 2288 Fax 98 0 21 8888 7809 Email iran aucom com Sea St Mustapha Saleh Bldg PO Box 260 Saida Ghazieh Lebanon Phone 961 7 222401 Fax 961 7 221799 Email lebanon aucom com 36 Jalan Taboh 33 22 Shah Alam Technology Park Section 33 40400 Shah Alam Selangor DE Malaysia Phone 60 3 5124 9498 ax 60 3 5124 9478 mail malaysia aucom com 580 Enterprise Parkway ort Myers Florida FL 33905 nited States of America Phone 1 239 693 7200 Fax 1 239 693 2431 Email mexico aucom com PO Box 5308 CHRB Saipan MP 96950 Phone 1 670 233 9219 Fax 1 670 233 9216 Email micronesia aucom com mu C 710 01534 00K IMS2 Page 57 AUTHORISED REPRESENTATIVES Morocco AUXEL Netherlands Electro Drive B V Zaandam Nederland Pakistan Speedy Automation Peru Manufacturas Electricas S A Philippines Asia Pacific Industrial Equipment Sales and Service Poland Zeltech S A Russian Federation Stoik Limited Singapore Invertek Drives Far East Pte Limited South Africa CHI Control Components 80 Route Ouled Ziane 20500 Casablanca orocco Phone 212 22 440966 Fax 212 22 440953 Email morocco aucom com Postbus 90 L 1500EB Zaandam etherlands Phone 31 75 616 6656 Fax 31 75 617 9500 Email netherlands aucom com 9 Manzoor Square Ist Floor oman Stree
77. stallation 4 1 General Layout IMS20018 IMS20125 IMS20141 IMS20253 IMS20302 IMS21574 03346 B Ea Control voltage terminals Control terminals 4 2 Power Termination Configuration The bus bars on models IMS20302 IMS2 1574 can be adjusted to provide four diffe rent input output power terminal configurations nput Output Output Input 5 0 HeH H H FER COS Heeh 3 da 03307 B o o o 2 2 2 o o o o o o o o o nput Output Input Output To adjust the bus bar configuration Remove the IMS2 covers and main control module 2 Loosen and remove the bus bar fixing bolts 3 Remove the bus bars and replace in the desired configuration When re orienting bus bars LI L2 L3 the current transformers must also be relocated 4 Refit and tighten the fixing bolts The torque requirements are MS20302 IMS20897 12 Nm MS2 1 153 IMS2 1574 20 Nm Ensure that foreign matter does not contaminate the jointing compound and become trapped between the bus bar and its mounting plate If the paste does become contaminated clean and replace with a Jointing compound suitable for aluminium to aluminium or alum
78. t Karachi 74400 Pakistan PO Box 7513 Saddar Karachi 7400 Phone 92 21 2722953 Fax 92 21 2736884 Email pakistan aucom com Av Mrcal Oscar enavides 1215 ma l eru hone 51 619 6200 ext 247 x 51 1619 6200 mail peru aucom com gy Putlod Jaen ueva Ecija hone 63 44 486 5638 mail philippines aucom com Elektronowa 6 03 L dz oland hone 48 42 686 34 56 48 42 6861970 mail poland aucom com Prostornaya Str OSCOW ussian Federation hone 7 495 6612441 7 495 6612441 mail russia aucom com o 10 Tractor Road ngapore 62797 hone 65 6867 9038 ax 65 6262 6961 Email singapore aucom com Cnr Osborn amp Esandar Roads Wadeville 1407 Johannesburg South Africa Phone 27 11 827 9124 Fax 27 11 827 3924 Email south africa aucom com Lima DIO UL W w z sim n U DU c m o Sa x Nm WD 9 X D a Page 58 IMS2 710 01534 00K AUTHORISED REPRESENTATIVES 4 South Korea C amp A Electric Co Limited Slovakia PWMotor s r o Spain SIDE Taiwan Shuyo Enterprise Co Limited Thailand W T Engineering Co Limited Turkey Danismanlik Dis Ticaret United Kingdom Scattergood and Johnson Limited United States Saftronics Incorporated Viet Nam Indochina Automation JSC oneksis Muhendislik Muteahhitlik 7206 7th Dongil Technotown 8 23 Kwanyang Dong Dongan gu
79. t Flag 105 42 otor Temperature Flag 80 43 Field Calibration 100 Analogue Output 50 4 20 mA Output Funcionaliy 0 51 4 20 mA Output Range Max 100 MS2 model 52 4 20 mA Output Range Min 0 MS2 serial number Serial Communications MS2 connection format In line 60 Serial Timeout 0 Inside delta 61 Serial Baud Rate 4 Bypassed 62 Serial Satellite Address 20 Motor current 63 Serial Protocol Motor kW 64 Modbus Parity 0 Driven machine Auto Reset Start current FLC 70 Auto Reset Configuration 0 Start time seconds 71 Auto Reset Number of Resets Starts per hour 72 Auto Reset Group A amp B Delay 5 Ambient temperature C 73 Auto Reset Group C Delay 5 Application Reference If you require assistance during commissioning or troubleshooting please fill in this table and give the information to your supplier Page 22 IMS2 710 01534 00K PROGRAMMABLE PARAMETERS 8 3 Function Descriptions Primary Motor Settings Motor Full Load Current Range Model dependent Description Sets the IMS2 for the connected motor s full load current Set to the full load current rating in amperes shown on the motor nameplate 2 Current Limit Range 100 550 FLC Default 350 Description Sets the current limit for constant current soft starting Constant current is the traditional form of soft starting which raises the current from zero to a
80. ts has exceeded the limits set in Function 7 Phase Imbalance Sensitivity Check the motor circuit and monitor the mains voltage S Supply frequency trip Supply frequency has varied outside the IMS2 s specified range Check for other equipment in the area that could be affecting the mains supply particularly variable speed drives Check the mains supply to the IMS2 If all three phases are lost while running the IMS2 will detect O Hz and trip on supply frequency If temporary fluctuations in frequency regularly occur while the motor is running Function 93 Out of Frequency Trip Delay can be used to ride through the situation NOTE A Running a motor below its designed frequency increases motor heating and should only be allowed for short periods 6 Phase sequence trip The phase sequence on the soft starter s input terminals LI L2 L3 is not valid Change the incoming phase sequence or adjust Function 31 Phase Sequence 7 Electronic shearpin trip The motor has experienced a sharp rise in motor current probably caused by a locked rotor condition shearpin while running This may indicate a jammed load o Power circuit fault The IMS2 has detected a fault in the power circuit Ensure that the motor is correctly connected to the IMS2 and verify the circuit Check that voltage is correctly applied to all three IMS2 input terminals LI L2 L3 Test the IMS2 s power circuit using the Power Circuit Test described in Tests a

IMS2 User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents