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Revision Contents The Date of Issue Operation Manual No. 1 Japanese font was removed. Nov. 2000 NBS611BX 2 The specification of the capacity 75-132kW and more was added. Mar. 2001 NBS611CX Table of contents 1. Investigation of the inverter 1.1Specification label(Model name , Manufacturing number ; MFG) 1.1.1 Model name......................................................... 1-1 1.1.2 MFG number........................................................ 1-1 1.2Inverter specification 1.2.1 SJ300 ............................................................ 1-2 1.2.2 L300P.............................................................. 1-10 2. Trouble shooting 2.1 INV trip contents , remedy , advice.......................................... 2-1 2.2 Option error 2.2.1 Feed-back board (SJ-FB)............................................. 2-3 2.2.2 Digital-input option board (SJ-DG)...................................... 2-3 2.2.3 Device-Net option board (SJ-DN)....................................... 2-3 2.3 Check of the trip monitor contents........................................... 2-4 2.4 Confirmation of the warning monitor contents................................. 2-5 2.5 Return to an initialization setup (Factory-shipment state) ....................... 2-6 3. Debug mode 3.1 Monitor mode ............................................................ 3-1 3.2 Function mode............................................................ 3-2 3.3 Parameter settings for inverter ............................................. 3-3 4. The check of control power supply voltage and a control signal 4.1 Control power supply voltage............................................... 4-1 4.2 Control signal............................................................. 4-1 5. Maintenance and Inspection 5.1 Maintenance and Inspection 5.1.1 Daily inspection.................................................... 5-1 5.1.2 Cleaning .......................................................... 5-1 5.1.3 Periodical inspection ............................................... 5-1 5.2 Daily and annual maintenance .............................................. 5-2 5.3 Megger test.............................................................. 5-3 5.4 Withstand voltage test..................................................... 5-3 5.5 How to check inverter , converter , BR and Thyristor portion .................... 5-4 5.6 Parts replacement ........................................................ 5-5 5.7Unit replacement .......................................................... 5-8 Appendix Circuit Diagram Internal block diagram Structure figure 1-1 1. Investigation of the inverter 1.1 Specification label (Model name, Manufacturing number ; MFG) · There are 2 specification label attached to the inverter as shown in Fig 1-1. · Please confirm the model name and MFG number from the specification label as follows. 1.1.1 Model name SJ300-055 H F (R) 1.1.2 MFG number 94 A T12345 9 0001 Fig 1-1 Specification label location Specification label Fig 1-2 contents of specification label Model name Applicable motor Input ratings MFG number Output ratings R : with POT meter F : with digital operator L : 3 f 200V class H : 3 f 400V class Applicable motor (055 : 5.5kW) Model name Serial No. (0001 ~ 9999) Year of production (9 : 1999) Production No. REV. No.(1 character or 2 characters) Production year & month (94 : 1999 / April) 1.2 Inverter specification (Note1) 1.2.1 SJ300 Monitor Mode Display code Function name SJ300 monitor or data range (digital operator) Initial data Note d001 Output frequency monitor 0.00-99.99/100.0-400.0(Hz) - d002 Output current monitor 0.0-999.9(A) - d003 Operation direction monitor F(forward)/o(stop)/r(reverse) - d004 PID feedback monitor 0.00-99.99/100.0-999.9/1000. –9999. / 1000-9999/ 100-999 (10000-99900) - d005 Intelligent input terminal monitor - d006 Intelligent output terminal monitor - d007 Frequency conversion monitor 0.00-99.99/100.0-999.9/1000. –9999. / 1000-3996 - d012 torque monitor -300.-+300.% - d013 Output voltage monitor 0.0-600.0 V - d014 Input electric power monitor 0.0-999.9 kW - d016 Accumulated time monitor during RUN 0.-9999./1000-9999/ 100-999 h - d017 Power ON time monitor 0.-9999./1000-9999/ 100-999 h - d080 Number of trip time monitor 0.-9999./1000-6553(10000-65530) (time) - d081 Trip monitor 1 - d082 Trip monitor 2 - d083 Trip monitor 3 - d084 Trip monitor 4 - d085 Trip monitor 5 - d086 Trip monitor 6 Trip Code, frequency(Hz), current(A), voltage(V),RUN time(h) power ON time(h) - d090 Warning monitor Warning code - F001 Output frequency setting 0.0, starting frequency-Max. frequency (2nd max. 3 rd max. frequency)(Hz) 0.00 F002 1st acceleration time 0.01-99.99/100.0-999.9/1000. -3600.(s) 30.00 F202 2nd acceleration time 0.01-99.99/100.0-999.9/1000. -3600.(s) 30.00 F302 3rd acceleration time 0.01-99.99/100.0-999.9/1000. -3600.(s) 30.00 F003 1st deceleration time 0.01-99.99/100.0-999.9/1000. -3600.(s) 30.00 F203 2nd decelerat...

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