Related Manuals for LG MODBUS-RTU
Summary of Contents for LG MODBUS-RTU
- Page 1 MODBUS-RTU Option Board for SV-iS5 Series Read this manual carefully before using the MODBUS-RTU Option board and follow the instructions exactly. After reading this manual, keep it at handy for future reference. LG Industrial Systems...
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Page 3: Safety Precautions
Thank you for purchase of LG Modbus-RTU Option Board! SAFETY PRECAUTIONS Always follow safety precautions to prevent accidents and potential hazards from occurring. Safety precautions are classified into “WARNING” and “CAUTION” in this manual. Indicates a potentially hazardous situation which, if not avoided, can result in serious injury or death. - Page 4 Check the parameter unit when setting the parameters. Otherwise, there is a danger of connecting error and damage to the board. modbus-rtu iS5 manual.doc 2...
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Page 5: Before Installation
INTRODUCTION By using a MODBUS-RTU Option board, SV-iS5 inverter can be connected to a MODBUS-RTU network. 1.1. When you use the MODBUS-RTU Option Card … Inverter can be controlled and monitored by the sequence program of the PLC or other master module. The card provides a terminal block for an RS-485 interface. -
Page 6: Hardware Specifications
Converter RS232-485, Use PC with RS232 card embedded Hardware Specifications 2.2. Installation CN2 connector on the inverter control board Control B/D From inverter power supply Power Supply Comm. B/D From control board (insulated) modbus-rtu iS5 manual.doc 2... -
Page 7: Communication Specification
Layout and detail Name Description Connector CN2, Connector to inverter main PCB 485 signal - high 485 signal – low Signal Communication 485 Ground connection signal connection terminal terminal Shield Short T1 and T2 to connect a termination resistor modbus-rtu iS5 manual.doc... -
Page 8: Status Led
DPRAM communication fault time Blinking with CPU LED in an Network Connection TimeOut <I/O-49> opposite way elapsed INSTALLATION 1. Connect the option board to the inverter control board using each connector on the board (See the Figure 1). modbus-rtu iS5 manual.doc 4... -
Page 9: Troubleshooting
If “CPU LED” is not blinking, turn off the inverter power swiftly (if not, inverter and the board may get damaged.) and check for the proper installation of the board. If the problem persists, contact LG distributor. Check ModBus-RTU is displayed in <COM-01>. Set the parameters as below when the above steps are all done. Parameter code... - Page 10 Verify that the card is installed properly Inverter is not operating normally Verify that the inverter has power RXD and TXD LEDs State Indicates Corrective measures Blinking Card is functioning normally and receiving and sending messages modbus-rtu iS5 manual.doc 6...
- Page 11 Verify that the baud rate (I/O47) is set to match the baud rate of the inverter. Incorrect byte format The inverter communicates using 8 data bits, 1 stop bit and no parity bits. Verify that the master is set to the same. modbus-rtu iS5 manual.doc...
- Page 12 Blinking after during TimeOut (I/O 49) setting. specifying valid register CPU LED one addresses and valid data. after another The card is functioning normally and receiving and sending messages *See COM group for Frequency/Run command setting. modbus-rtu iS5 manual.doc 8...
- Page 13 Bit 0: Stop Bit 1: Forward Run 0x0006 Run Command Bit 2: Reverse Run Bit 3: Fault Reset Bit 4: Emergency Stop 0x0007 Acceleration Time 0.1 sec 0x0008 Deceleration Time 0.1 sec 0x0009 Output Current 0.1 A modbus-rtu iS5 manual.doc...
- Page 14 BIT 12 : Reverse Run Command Bit 0:OCT1, Bit 1: OV, Bit 2: EXT-A 4:OCT2, Bit 5: GF, Bit 6: OH, Bit 7: ETH, Bit 8: OLT, 0x000F Trip information Bit 9: HW-diag, Bit10:EXT- Bit11:FO Bit12:OPT, Bit13:PO Bit,14:IOLT, Bit15:LV modbus-rtu iS5 manual.doc 10...
- Page 15 Reset or Power On/Off. < DRV Group > Addre Maximu Description Default Minimum Unit MaxFre 5100 DRV#00 Cmd. freq 0.01Hz 5101 DRV#01 Acc. Time 6000 0.1sec 5102 DRV#02 Dec. Time 6000 0.1sec modbus-rtu iS5 manual.doc...
- Page 16 < FU1 Group > Addre Maximu Description Default Minimum Unit 5203 FU1 #03 Run prohibit 5205 FU1 #05 Acc. pattern 5206 FU1 #06 Dec. pattern 5207 FU1 #07 Stop mode 5208 FU1 #08 DcBr freq. 6000 startFreq 0.01Hz modbus-rtu iS5 manual.doc 12...
- Page 17 FU1 #25 F-limit Hi. 6000 lowFreq 0.01Hz 521A FU1 #26 Torque boost 521B FU1 #27 Fwd boost 0.1% 521C FU1 #28 Rev boost 0.1% 521D FU1 #29 V/F pattern maxFre 521E FU1 #30 User freq. 1 1500 0.01Hz modbus-rtu iS5 manual.doc...
- Page 18 FU1 #50 ETH select 5233 FU1 #51 ETH 1min ETH Cont 5234 FU1 #52 ETH Cont 5235 FU1 #53 Motor type 5236 FU1 #54 OL level 5237 FU1 #55 OL time 0.1sec 5238 FU1 #56 OLT select modbus-rtu iS5 manual.doc 14...
- Page 19 Hi 1 1500 0.01Hz jump Hi StartFre 0.01Hz 530D FU2 #13 jump lo 2 2000 maxFre jump Lo 530E FU2 #14 jump Hi 2 2500 0.01Hz jump Hi startFre 530F FU2 #15 jump lo 3 3000 0.01Hz modbus-rtu iS5 manual.doc...
- Page 20 Retry delay 0.1sec 531E FU2#30 Motor select 531F FU2#31 Pole number 5320 FU2 #32 Rated-Slip (Note4) 1000 0.01Hz 5321 FU2 #33 Rated-Curr (Note4) 2000 0.1A 5322 FU2 #34 Noload-Curr (Note4) 2000 0.1A 5324 FU2 #36 Efficiency (Note4) modbus-rtu iS5 manual.doc 16...
- Page 21 PID Out Dir 5333 FU2 #51 PID F/B 5334 FU2 #52 PID P-gain 3000 9999 0.1% 5335 FU2 #53 PID I-time 0.1sec 5336 FU2 #54 PID D-time 9999 0.1msec maxFre 5337 0.01Hz FU2 #55 PID +limit 6000 modbus-rtu iS5 manual.doc...
- Page 22 1000 534B FU2 #75 DB mode 534C FU2 #76 DB %ED 5351 FU2 #81 2nd Acc time 6000 0.1sec 5352 FU2 #82 2nd Dec time 6000 0.1sec maxFre 5353 FU2 #83 2nd BaseFreq 6000 3000 0.01Hz modbus-rtu iS5 manual.doc 18...
- Page 23 Minimum Unit 5401 I/O #01 V1 filter 9999 5402 I/O #02 V1 vort V1 volt x1 0.01V 5403 I/O #03 maxFre V1 freq y1 0.01Hz 5404 I/O #04 V1 volt x2 1000 1000 V1 volt x1 0.01V modbus-rtu iS5 manual.doc...
- Page 24 I/O #17 Ti Filt Num MaxFre 5414 I/O #20 Jog freq 1000 startFreq 0.01Hz MaxFre 5415 I/O #21 Step freq - 4 4000 startFreq 0.01Hz MaxFre 5416 I/O #22 Step freq - 5 5000 startFreq 0.01Hz modbus-rtu iS5 manual.doc 20...
- Page 25 Acc time – 6 6000 0.1sec 5424 I/O #36 Dec time – 6 6000 0.1sec 5425 I/O #37 Acc time – 7 6000 0.1sec 5426 I/O #38 Dec time – 7 6000 0.1sec 5428 I/O #40 FM mode modbus-rtu iS5 manual.doc...
- Page 26 Inv No. 542F I/O #47 Baud rate 5430 I/O #48 Lost command 5431 I/O #49 Time out 1200 0.1sec <Note> If you need to know specific parameter addresses for Auto Sequence Operation, please contact LG local distributors. modbus-rtu iS5 manual.doc 22...
- Page 27 V2 freq y2 6000 550E EXT #14 F mode 550F EXT #15 F pulse set 5510 EXT #16 F pulse num 1024 4096 5511 EXT #17 F filter 9999 msec F pulse 0.1kH 5512 EXT #18 F pulse x1 modbus-rtu iS5 manual.doc...
- Page 28 Q2 define 5520 EXT #32 Q3 define 5522 EXT #34 LM mode 5523 EXT #35 LM adjust 5528 EXT #40 AM1 mode 5529 EXT #41 AM1 adjust 552A EXT #42 AM2 mode 552B EXT #43 AM2 adjust modbus-rtu iS5 manual.doc 24...
- Page 29 Cmd + Freq Run/Stop/Reference Frequency via Communication COM-03 [ Opt Version ] Displays version of Option Board. < APP Group > 0x0006 in Common Run/Stop Setting Address - Use 0x0005 in Common Freq Setting Address - Use modbus-rtu iS5 manual.doc...
- Page 30 6000 0.1sec 5705 Trv Dec Time 6000 0.1sec 5706 Trv Off Hi 0.1% 5707 Trv Off Lo 0.1% 5708 Aux Mot Run 5709 Starting Aux 570A Auto Op Time 5940 570B Start freq1 4999 maxFreq 0.01Hz modbus-rtu iS5 manual.doc 26...
- Page 31 Addres Description Default Maximum Minimum Unit 570C Start freq2 4999 maxFreq 0.01Hz 570D Start freq3 4999 maxFreq 0.01Hz 570E Start freq4 4999 maxFreq 0.01Hz 570F Stop freq1 1500 maxFreq 0.01Hz modbus-rtu iS5 manual.doc...
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Page 33: Visit Our Website
LG Industrial Systems Co., Ltd. LGIS constantly endeavors to improve its product so that information in this manual is subject to change without notice. Visit Our Website: http://www.lgis.com/ August 8, 2002 Publication #: 10310000393...