LS RS485/Modbus-RTU User Manual Download Page 1 | Manualshive

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Summary of Contents for RS485/Modbus-RTU

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Page 2: ...hazards under certain conditions Particular attention should be directed because dangerous voltage may be present z Keep operating instructions handy for quick reference z Read this manual carefully to maximize the performance of SV iP5A series inverter and ensure its safe use CAUTION z Do not touch the CMOS components unless the board is grounded Otherwise ESD could cause break down of CMOS compo...

Page 3: ...erters depend on the manufacturers but the basic functions are the same Refer to the converter manual for detailed specifications and instructions on how to use Before Installation Before installation and operation this manual should be read thoroughly If not it could cause personal injury or damage other equipment SPECIFICATION Performance specification Items Specifications Communication method R...

Page 4: ...8 bit Start Stop bit Start 1bit Stop 1 2bit Error check RS485 Checksum 2byte Modbus RTU CRC16 2byte Parity check Even Odd 3 3 1 PRODUCT DETAIL Layout and detail Name Description Connector Connector to inverter main PCB P Comm signal high N Comm signal low GND Comm Ground S Shield T1 Signal connection terminal Communication signal connection terminal T2 Connect a internal termination resistor Short...

Page 5: ...that the support is well connected Is the position of the support is not right it means that the option card is not connected right Power up the inverter after verifying the option card is installed properly When powering up the inverter CPU LED is blinking per second after all LEDs blink one after another If CPU LED is not blinking power down the inverter swiftly and check for the proper installa...

Page 6: ...te3 User setting I O_98 Comm Timer note3 1 0 sec Factory default note3 It is used for Emergency Stop when communication between inverter and Master is not done properly It is activated when communication is not done even once for the set time It indicates the inverter is not controlled by Remote Set this value for safety Power down the inverter for the connection of converter when step 6 is finish...

Page 7: ...k line short terminals T1 and T2 This allows the internal termination resistor 120Ω to be connected 4 3 3 Communication Protocol Selection RS485 Modbus RTU z Setting method The Modbus RTU protocol is selected when the No 1 among the DIP switches located on the lower right corner of the option card is ON and RS485 protocol is selected when the No 1 is OFF That s the same for both SV iP5A SV iV5 At ...

Page 8: ...Request ENQ Inverter No CMD Data SUM EOT 1 byte 2 byte 1 byte n byte 2 byte 1 byte z Normal response Acknowledge Response ACK Inverter No CMD Data SUM EOT 1 byte 2 byte 1 byte n 4 byte 2 byte 1 byte z Negative response Negative Acknowledge Response NAK Inverter No CMD Error code SUM EOT 1 byte 2 byte 1 byte 2 byte 2 byte 1 byte z Description Request starts with ENQ and ends with EOT Acknowledge Re...

Page 9: ...ol value ENQ ACK NAK etc 5 1 2 Detailed Read protocol z Request for Read Request for reading Word data of the successive n number from address XXXX ENQ Inverter No CMD Address Number of Address SUM EOT 05h 01 1F R XXXX 1 8 n XX 04h 1 2 1 4 1 2 1 Total byte 12 The quotation marks mean character z Acknowledge Response ACK Inverter No CMD Data SUM EOT 06h 01 1F R XXXX XX 04h 1 2 1 N 4 2 1 Total byte ...

Page 10: ... to be monitored continuously Request for registering the n number of Address non successive ENQ Inverter No CMD Number of Address Address SUM EOT 05h 01 1F X 1 8 n XXXX XX 04h 1 2 1 1 n 4 2 1 Total byte 8 n 4 Max 40 Acknowledge Response ACK Inverter No CMD SUM EOT 06h 01 1F X XX 04h 1 2 1 2 1 Total byte 7 Negative Acknowledge Response NAK Inverter No CMD Error code SUM EOT 15h 01 1F X XX 04h 1 2 ...

Page 11: ...ODE ERROR WM In case of Read Only or Write Disabled during operation FRAME ERROR FE When the frame size internal Num or Sum is incorrect TIME OUT ERROR TO When DPRAM communication does not work within a certain time DPRAM OFF LINE DO When DPRAM is Off Line INVALID ID NUMBER IN When Inverter Number is incorrect UNDEFINED CONDITION UC Except for the above cases TO Error Occurs when trying to communi...

Page 12: ...te The inverter is not working normally or the inverter and the option card are not connected properly Corrective Measures 1 Verify the power is applied to the inverter 2 Verify the option card is installed properly within the inverter when the inverter is working normally z RXD and TXD LEDs malfunction Check Points Corrective Measures Is the power applied to the converter Apply power to the conve...

Page 13: ...ged data is effective in the present state but the data is reset to the previous value after the inverter is reset or powered On Off Even though the inverter is reset or powered On Off the changed data is effective in case of changing the data by each group parameter not the Common Area SV iP5A Parameter Code 7 1 1 SV iP5A Common Area Address Parameter Unit R W Data value 0x0000 Inverter model R 9...

Page 14: ... Run RX BIT 3 Fault Trip BIT 4 Accelerating BIT 5 Decelerating 0x000E Operating Status R BIT 6 Speed Arrival BIT 7 Forward Command BIT 8 DC Braking BIT 9 Not Used BIT10 Brake Open BIT11 Forward Run Command BIT12 Reverse Run Command BIT13 REM R S Int 485 OPT BIT14 REM Freq Int 485 OPT 0x000E Operating Status R BIT15 Not Used BIT 0 OCT1 BIT 1 OV BIT 2 EXT A BIT 3 BX BIT 4 LV BIT 5 Not Used BIT 6 GF ...

Page 15: ...al for the communication address regarding iP5A Function Code 7 1 2 iP5A Communication Option Setting COM Group Address NO Description Default Maximum Minimum 9601 COM 01 Opt B D 0 7 0 9602 COM 02 Opt mode 0 3 0 9603 COM 03 Opt Version 0022h Ver 2 2 963C COM 60 Parity Stop 0 3 0 Inverter Number or communication speed is set in I O 90 91 COM 01 Opt B D z Indicates the type of the option card instal...

Page 16: ...5 7 5 6 11 7 15 8 18 5 9 22 A 30 B 37 C 45 D 55 E 75 F 90 10 110 11 132 12 160 14 220 0x0001 Inverter Capacity R unit kW 0x0002 Inverter Input Voltage R 0 220V class 1 440V class 0x0003 Version R 0100h Ver 1 00 0110h Ver 1 10 0x0005 Frequency Command 0 01Hz R W 0x0502 instead of Not Used 0x0006 Run Command R W 0x0500 instead of Not Used 0x0007 Acceleration Time 0 1 sec R W SV iV5 used in Device Ne...

Page 17: ...rrent OCT U V W Bit01 Over Voltage OV Bit02 Not Used Bit03 BX Bit04 Low Voltage LV Bit05 Fuse Open FO Bit06 Ground Fault GF Bit07 Inverter Over Heat IOH Bit08 E Thermal ETH Bit09 Over Load OLT Bit10 HW Diag Bit11 External B EXT B Bit12 Over Current2 Arm Short U V W Bit13 Option Error Bit14 Encoder Error 0x000F Trip Information R Bit15 Inverter Over Load IOLT Bit00 FX Bit01 RX Bit02 BX Bit03 RST Bi...

Page 18: ...rque Reference 0 1 R Torque Reference note16 0x0022 Torque Feedback 0 1 R Torque Feedback note17 0x0023 No Load Current 0 1 R PAR_26 Flux Curr s Read 0x050A note28 during operation 0x0024 PID Reference 0 1 R PID Reference note18 0x0025 PID Feedback 0 1 R PID Feedback note19 0x0026 PID Output 0 1 R PID Output note20 0x0027 Inverter Temperature deg R Inverter Temperature note6 Because other series i...

Page 19: ...n gets in front of this absolute value and 1800RPM is the end result The calculation of the negative speed is as below Speed RPM FFFFh FXXXh received negative speed data 10 1 note13 When communicating via Device Net speed command is given with Hz note14 Checks up with the PostRamp Ref value during run Speed is displayed by absolute value note15 Checks up with the PreRamp Ref value during run Indic...

Page 20: ...Bit11 P4 Bit12 P5 Bit13 P6 Bit14 P7 0x0500 Input Terminal Commandnote21 R W Bit15 Not Used Bit00 1A 1B Bit01 2A 2B Bit02 OC1 EG 0x0501 Output Terminal Commandnote22 R W Bit03 15 Not Used 0x0502 Speed Command 0 1R PM R W Speed Command when FUN_02 is Option check DIS_01 PreRamp Ref note23 0x0503 Acceleration Time 0 1se c R W Main Accel Time Setting note24 0x0504 Deceleration Time 0 1se c R W Main De...

Page 21: ...3 Write does not get performed in FUN_40 Because the value gets saved in FUN_40 the acceleration time after the inverter s On Off and before Off can be read from 0x0503 0x0504 deceleration time and FUN_41 Dec Time 1 0x7429 are in the same relationship note25 Concerning Torque command set CON_01 as Torque CON_26 as Option and it can be set during operation note26 CON_28 Trq Lmt Src has to be set as...

Page 22: ...hannel and the communication speed z If communication command is lost when FUN_01 is 3 Option during the time of I O_98 the inverter runs with the value of I O_97 EXT Group Address No Description Default Max Value Min Value Unit 7601 EXT_01 Opt B D 0 7 0 7602 EXT_02 Opt Version 0022h Ver 2 2 760A EXT_10 Output Num 3 8 0 760B EXT_11 Output 1 0x0020 65535 0 760C EXT_12 Output 2 0x000E 65535 0 760D E...

Page 23: ...T_27 and the values can be 1 8 EX_30 Parity Stop z Set a Parity Stop bit about communication EX_31 Delay Time z It carries on the communication smoothly by selecting an appropriate delay time 7 2 4 SV iV5 Communication Area SV iV5 s Communication Data Area Address Description Unit R W Data Value 0x0100 R Select address from EXT_11 0x0101 R Select address from EXT_12 0x0102 R Select address from EX...

Page 24: ...ea where user program of the master uses to run a command which comes through the communication card You can set up a number of addresses to use at EXT_19 Input Num At the communication the read only area is 0x0100 0x0107 and the write only area is 0x0108 0x010F Refer to the above table about addresses to share data In case of SV iV5 areas which can be used at the communication are as follows 1 Co...

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