Allen-Bradley LSIG, Installation Manual

Page 1: ...Die Ger te m ssen in einem passenden Geh use eingebaut und gegen Verschmutzung gesch tzt werden Avant le montage et la mise en service couper l alimentation secteur pour viter toute d charge Pr voir u...

Page 2: ...u Area 20 3 5 2 1 Menu browsing 20 3 6 Protection functions 21 3 6 1 Notes about Protection Operation 21 3 6 2 Protection L 21 3 6 2 1 Thermal memory L 22 3 6 3 Protection S 22 3 6 3 1 Thermal memory...

Page 3: ...ftware iTest Info test button on the front of the trip unit Trip CB opening generated by the trip unit OT Over Temperature 1 3 Safety Notes Read this manual carefully and completely use of the trip un...

Page 4: ...gs Dip switches on the front allow the main protections and settings to be adjusted while the state of the trip unit is indicated by the leds of the front interface 2 2 1 Protections Symbol Protection...

Page 5: ...condensation Degree of protection with LSIG installed in the circuit breaker IP 30 2 2 7 Electrical characteristics The trip unit is energized Directly by the internal current sensors connected to th...

Page 6: ...d frequency and neutral protection 8 Rating Plug 9 iTest button 2 3 1 Dip switches The dip switches on the front of LSIG are used for adjusting the tripping thresholds of each protection and the tripp...

Page 7: ...or 48 hours after switch off absence of internal or external power supply with the trip unit energized by battery unit alone and with the CB open it allows installation on the CB to be performed see p...

Page 8: ...ime curve is given by the expression t s If the calculated value is less than t2 the real tripping time is forced to t2 t s t2 NOTES t s estimated tripping time If fault current given in In example 1...

Page 9: ...xIn on the neutral 2 4 6 Protection against instantaneous short circuit Iinst Iinst is a software override protection The purpose of this protection is to maintain the integrity of the circuit breaker...

Page 10: ...n 02 2 4 8 Trip curves The trip curves provided are merely for guidance and only show a sub group of the possible selections 2 4 8 1 Trip curves for functions L S t k I2 I t k I2 2 4 8 2 Trip curves f...

Page 11: ...n 1 5 Earth fault current 0 05 4 In 0 3 4 In 1 5 2 5 2 Self monitoring LSIG provides certain self testing functions to facilitate failure analysis in the case of faulty operation or incorrect configur...

Page 12: ...tions perfectly even in heavy duty environmental and electromagnetic conditions Pay particular attention to the earth connection 2 6 3 CS and TC connection check ATTENTION If the LSIG has been install...

Page 13: ...but no trip occurs FN 6 Expected trip does not happen Function OFF FN enable protection function 7 LEDs irregularly turned on see par 2 3 2 8 Unexpected trip see par 2 3 2 9 L LED orange flashing FN...

Page 14: ...l in accordance with the protection settings The state contacts of the CB provide information about the CB s position A graphic display and a set of push buttons allow all the information about the tr...

Page 15: ...C 70 C Relative humidity 0 98 with condensation Degree of protection with trip unit installed in the CB IP 30 3 3 8 Electrical characteristics The trip unit is energized Directly by the internal curr...

Page 16: ...FF No protection or delay alarm ON Flashing 1Hz Delay in progress for one or more of the following protections current L S G phase unbalance U Alarm for one or more Contact wear Temperature Connection...

Page 17: ...f the last event that led to the trip unit being shut off function available within 48h from shut off ATTENTION When parameters whose adjustment includes a large number of options or values are edited...

Page 18: ...flashes every 2 seconds The alarms are displayed in conjunction with an icon showing the type of alarm in question information active delay danger Icon Message Description Configuration Inconsistent p...

Page 19: ...h the icons can be shown Starting from the position on the far right a description of the available icons is given below Position Icon Condition Description 1 OFF Separate 24V DC source is not present...

Page 20: ...n each level by using the main push button panel ENTER to access a submenu or confirm an edited parameter ESC to quit a submenu or annul the changes made to a parameter UP and DOWN to scroll the menu...

Page 21: ...is equipped with backup protection If the first command to the trip coil fails to open the circuit breaker immediately TC locked further trip commands are transmitted until the circuit breaker opens T...

Page 22: ...ding on the situation in question ATTENTION The thermal memory function can only be activated if the standard type of curve has been selected t k I2 3 6 3 Protection S This protection can be disabled...

Page 23: ...e same way as the protection S 3 6 6 Protection U Protection against current unbalance with a fixed time response can be disabled The breaker trips when for the t6 time setting or longer an unbalance...

Page 24: ...f InN may be 50 100 200 With 140G N 1200 with Rating Plug at 800A Iu 1200A and I1 1In adjustment of InN may be 50 100 The I1 1In setting is the maximum setting of the protection against overload The r...

Page 25: ...7 The best of the two data 10 or 40ms G 3 4 t k I2 0 1xIn I4 1xIn step 0 02xIn 0 2xIn I4 Start Up 1x I4 0 1s t4 1s step 0 05s minimum trip time If 4In 7 15 U t k 2 I6 90 step 1 0 5s t6 60s step 0 5s...

Page 26: ...ection functions with the the same principle MM I 3 6 13 1 Trip curves for functions L S t k I2 I t s 10 1 10 2 1 10 102 103 104 10 3 1 10 100 10 1 x In 0 4 1 1 5 15 1 5 15 0 6 10 0 6 10 0 05 0 8 0 4...

Page 27: ...in accordance with IEC 60255 121 type A t s 10 1 1 10 102 103 104 10 1 1 10 100 x In 3 144 0 4 1 0 4 1 L k 0 14 0 02 3 6 13 4 Trip curves for function L in accordance with IEC 60255 121 type B t s 10...

Page 28: ...1000587R0002 Version 02 3 6 13 5 Trip curves for function L in accordance with IEC 60255 121 type C t s 10 1 1 10 102 103 104 1 10 100 10 1 x In 0 4 1 0 4 1 3 144 L k 80 2 3 6 13 6 Trip curves for fun...

Page 29: ...power The main current measurements can be accessed by using the UP and DOWN buttons from the default page In the default page histograms with the currents appear on the display while the value and th...

Page 30: ...he trips with a description of the event instead of the message about the protection and numbering that refers to the last event recorded Last Last 1 Last 2 LSIG MM are able to record up to 80 events...

Page 31: ...ge 400 Vac Peak Vdc Maximum switching current 0 1 Aac Peak Adc Maximum switching power 40 W Contact Circuit insulation 1500 Vac ATTENTION Upon powering and if there is already energizing voltage on th...

Page 32: ...CB Up to 5 options are available Name Description 1 CB status allows the user to view the CB state read by the trip unit 2 Auto Test allows the display and led test to be performed 3 Trip test allows...

Page 33: ...LSIG MM unit from the circuit breaker 9 The remove the TC connector proceed as indicated in the figure alongside The uninstalling procedure is not strictly necessary for operation but is strongly reco...

Page 34: ...to change the password and carefully define each edit able parameter before putting the trip unit into service LSIG MM are supplied with the following predefined parameters Protection On Off Threshol...

Page 35: ...pply missing and the current is below the minimum value 2 Operating temperature out of range 1 See par 3 4 3 2 See par 3 3 7 and see par 3 6 7 7 Reading of I incorrect Current below the minimum thresh...

Page 36: ...his situation may lead to personal injury or property damage 4 ACCESSORIES 4 1 External neutral This is a current sensor for the external neutral pole of the circuit breaker designed to provide neutra...

Page 37: ...not belonging to Rockwell Automation are property of their respective companies Rockwell Automation maintains current product environmental compliance information on its website at http www rockwellau...