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N100

plus

Inverter RS485 Interface Instruction Manual

N100_Inverter RS485 Interface Manual(English).doc

RS485 Communication function

1.1

Communication function

Communication circuit for RS485 is built in N100 Inverter.

It is possible to control 1~32 Inverters (Slave) from a main control device (Master) by
using RS485 serial communication is supported.

Fig. 1 RS485 Serial network

1.1.1

Interface Cable Pin Arrangement

Fig. 2 Cable Pin configuration

①

④

⑧

⑦

②

⑤

⑥

③

RS 232-485

converter

Description

RJ45 Pin No.

Cable Pin configuration

TX/RX -

TX/RX +

Summary of Contents for N100

Page 1: ...Technical Support Document for Inverter Doc No TSD N100 COM 001E 00 Model All N100 model Rev Date August 2008 N100plus Inverter RS485 Interface Instruction Manual ...

Page 2: ... 11 2 1 2 Example 1 Output frequency Monitoring Function code D01 11 2 1 3 Example 2 Output frequency Function code F01 12 2 1 4 Example 3 Acceleration time Function code F02 12 2 2 Setting Request Response Data 13 2 2 1 A prior condition 13 2 2 2 Output frequency setting Function code F01 13 2 2 3 Example 4 Acceleration time 1 setting F02 13 2 2 4 Example 5 Deceleration time 1 setting F03 13 2 3 ...

Page 3: ...mmunication circuit for RS485 is built in N100 Inverter It is possible to control 1 32 Inverters Slave from a main control device Master by using RS485 serial communication is supported Fig 1 RS485 Serial network 1 1 1 Interface Cable Pin Arrangement Fig 2 Cable Pin configuration RS 232 485 converter Description RJ45 Pin No Cable Pin configuration TX RX 6 TX RX 3 ...

Page 4: ...lish doc 2 1 1 2 Interface Cable Pin Arrangement Fig 3 PC or PLC Inverter Wiring Diagram PC or PLC Inverter Wiring Diagram PC PLC RS232 RS485 RS232 To RS485 Converter Note If the PLCs have a RS485 communication port don t use the converter RS232 to RS485 converter between the PLCs and inverter ...

Page 5: ... function Fleming CRC CMD MAXREQ Parameter Table 1 RS485 Communication specification 1 1 4 RS485 Communication setting in Inverter The following setting are required to operate RS485 communication Function code Set item Initial data Data Description b17 Communication Number 1 1 Inverter Address No 1 Address 1 32 A01 Frequency commanding Multi speed commanding method 0 3 0 Keypad potentiometer 1 Co...

Page 6: ...ter time Frame 1 Transmit from external controller to inverter Frame 2 Indication reflects from inverter to external controller Frame 2 in inverter displays as the signal that inverter receiving Frame 1 and recognizes a suitable frame and responds and don t output actively 1 2 Communication protocol ModBus protocol that applies Query Response Cycle method is used in the communication The communica...

Page 7: ... CRC Lo 1 byte Lower 8bit of 16 bit CRC Table 3 External controller transmit frame 2 Inverter response frame Communication number Order Byte number Data1 Data N CRC Hi CRC Lo Clause Description Data size Specifications Communication number Inverter communication number 1 byte 1 32 Command Frame type 1 byte 0x03 Request Byte Data byte number 1 byte Request parameter number ⅹ 2 Data 1 Parameter 1 2 ...

Page 8: ... Data 2 byte Setting value Note2 CRC Hi 1 byte Higher 8bit of 16bit CRC CRC Lo 1 byte Lower 8bit of 16bit CRC Table 5 External transmit frame 2 Inverter response frame Communication number Order Parameter Data CRC Hi CRC Lo Clause Description Data size Specifications Communication number Inverter communication number 1 byte 1 32 Order Frame type 1 byte 0x06 Parameter Parameter 2 byte 1st byte Grou...

Page 9: ...tput current DC link voltage at trip occurs Trip information Previous first trip Previous second trip Previous third trip Trip count 1st byte 0x01 0x01 0x01 0x01 0x01 2nd byte 0x0D 0x11 0x15 0x19 0x1D Table 8 Trip information List 1st byte 2 nd byte Trip information items Trip data Trip contents Trip data Trip contents 1 Over current trip 7 Electric thermal trip 2 Over voltage trip 8 Outside trip ...

Page 10: ...pecial parameter Note 3 A special parameter is used to operating and commanding a frequency value for the basic parameter Run command Parameter 1st byte 0x00 2nd byte 0x02 Setting data 1st byte Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Reserved 2nd byte Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Reserved RST REV FWD Data value on RUN command 1st Byte 2nd Byte Byte Bit Command 7 6 5 4 3 2 1 0 7 6 5 4 3 ...

Page 11: ... attempt to store data while the unit is running the setting data will not be stored and the original data will be responded 7 16bit CRC generation The step of CRC 16 generation is as follows z All of 16 bit register is 1 0xffff z The exclusive OR of 16 bit register and 8 bit register z Shift right side 1bit a 16 bit register z If the result of step 3 is 1 exclusive OR 16 bit register and 0xa001 z...

Page 12: ...111 Shift2 0011 1111 1111 1111 1 Polynomial 1010 0000 0000 0001 1001 1111 1111 1110 Shift3 0100 1111 1111 1111 Shift4 0010 0111 1111 1111 1 Polynomial 1010 0000 0000 0001 1000 0111 1111 1110 Shift5 0100 0011 1111 1111 Shift6 0010 0001 1111 1111 1 Polynomial 1010 0000 0000 0001 1000 0001 1111 1110 Shift7 0100 0000 1111 1111 Shift8 0010 0000 0111 1111 1 Polynomial 1010 0000 0000 0001 1000 0000 0111 ...

Page 13: ...unt CRC 16 Hi Lo 010301010001D436 01 03 01 01 00 01 D4 36 2 Response Data In case of D01 0 00Hz Response 7Byte Com Num Com mand Byte Q ty Data CRC 16 Hi Lo 0103020000B844 01 03 02 00 00 B8 44 Data Description 0x163 0x162 0x161 0x160 0 Communication Data Î divide by 100 Î 0 00Hz Parameter value 3 Response Data In case of D01 60 00Hz Response 7Byte Com Num Com mand Byte Q ty Data CRC 16 Hi Lo 010302...

Page 14: ...case of F01 50 00Hz Response 7Byte Com Num Com mand Byte Q ty Data CRC 16 Hi Lo 0103021388B512 01 03 02 13 88 B5 12 Data Description 1x163 3x162 8x161 8x160 5000 Communication Data Î divide by 100 Î 50 00Hz Parameter value 2 1 4 Example 3 Acceleration time Function code F02 1 Transmit Data Transmit 8Byte Com Num Com mand Parameter Parameter Count CRC 16 Hi Lo 010302010001D472 01 03 02 02 00 01 24 ...

Page 15: ...ta Description 0x163 0x162 6x161 4x160 100 Communication Data Î divide by 10 Î 10 0sec Parameter value 2 Response Data Response 8Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 0106020200642859 01 06 02 02 00 64 28 59 2 2 4 Example 5 Deceleration time 1 setting F03 1 Transmit Data In case of 30sec Transmit 8Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 01060203012C783F 01 06 02 03 01 2C 78 3...

Page 16: ...ation Data Î divide by 100 Î 60 00Hz Parameter value 2 Response Data Response 8Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 010600041770C61F 01 06 00 04 17 70 C6 1F 2 3 3 Example 7 Frequency Command In case of 50Hz 1 Transmit Data In case of 50 00Hz Transmit 8Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 010600041388C55D 01 06 00 04 13 88 C5 5D Data Description 1x163 3x162 8x161 8x160 500...

Page 17: ... 01 E9 CA Data Description 0001 FWD 0002 REV 0000 STOP 2 Response Data Response 7Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 010600020001E9CA 01 06 00 02 00 01 E9 CA 2 4 3 Example 9 REV Reverse RUN Command 1 Transmit Data Transmit 8Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 010600020002A9CB 01 06 00 02 00 02 A9 CB Data Description 0001 FWD 0002 REV 0000 STOP 2 Response Data Response 7...

Page 18: ... 4 4 Example 10 STOP Command 1 Transmit Data Transmit 8Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 010600020000280A 01 06 00 02 00 00 28 0A Data Description 0001 FWD 0002 REV 0000 STOP 2 Response Data Response 7Byte Com Num Com mand Parameter Data CRC 16 Hi Lo 010600020000280A 01 06 00 02 00 00 28 0A ...

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