Acrel ARTU, Installation & Operation Instructions

Page 1: ...079 ARTU Remote Terminal Unit Installation Operation Instruction V1 3 Acrel Co Ltd ...

Page 2: ...in this manual shall not be copied copied or disseminated in any form Otherwise all consequences shall be borne by the violator Our company reserves all legal rights Our company reserves the right to modify the product specifications described in this manual without prior notice Before placing an order please consult your local agent for new specifications of this produc ...

Page 3: ...5 3 2 Add setting 14 5 3 3 Baud rate setting 14 5 3 4 Mode setting 14 5 3 5 Format setting 14 5 4 Modbus Function code description 14 5 4 1 Abnormal reply format of ARTU remote terminal unit to command received in error 14 5 4 2 Functional status of 01H 02H using Modbus 15 5 4 3 Read using Modbus s functions of 03 or 04 15 5 4 4 Use the 05H function of Modbus to force the alarm state 15 5 4 5 Use ...

Page 4: ...g four remote values 2 The address and baud rate of the product can be set by upper computer or local dial code switch 3 The product adopts software and hardware watchdog technology to prevent the phenomenon of crash 4 Use conditions 1 Auxiliary power supply 24VDC allowing 18 36VDC 220VAC DC allows AC85 275V or DC100 350V subject to the actual wiring diagram 2 Power consumption 5W 3 Working enviro...

Page 5: ...ange of upper computer monitoring system 5 1 2 Technical parameters Performance Indicators Input circuit 8 16 32 Input mode Active wet contact DC12V or passive dry contact Bus way Half duplex RS485 Modbus RTU three core shielding wire is recommended Bus capacity 32 Switch event resolution The ability to distinguish successive displacement of multiple contacts When the displacement interval of any ...

Page 6: ...3 5 1 3 2 Wiring K8 K16 Terminal number ...

Page 7: ...l K COM are access terminals of each channel while KV12 and KG are suspended Passive dry contact Ki I 1 32 and common end KV12 are access ends of each channel while KCOM should be short connected with KG 5 1 3 3 Application examples a Connecting diagram of passive dry contact ...

Page 8: ...te Comman d word Data length byte Write to allow operating ports 00 Meter identification code Fixed poin t number R 03 04 2 01 Version number Fixed poin t number R 03 04 2 02 Address number Fixed poin t number R W 03 04 16 2 COMM2 03 Communication baud rate Fixed poin t number R W 03 04 16 2 COMM2 04 Communication check mode Fixed poin t number R W 03 04 16 2 COMM2 05 Clock setting seconds minutes...

Page 9: ... state of remote signaling channel 16 1 Fixed poin t number R 03 04 2 18 Debouncing time of remote signaling channel 1 5000ms Fixed poin t number R W 03 04 16 2 COMM1 19 SOE data reset 1 YES Fixed poin t number R W 03 04 16 2 COMM1 20 24 Reserve Fixed poin t number 25 Data 1 Milliseconds integer Fixed poin t number R 03 04 2 26 Data 1 Seconds minutes BCD code Fixed poin t number R 03 04 2 27 Data ...

Page 10: ...D code 07 07H is July 2007 Address 29 and 30 Each bit corresponds to a channel which corresponds to channel 32 1 in turn The highest value of address 29 is 1 which means that channel 32 has an event at this time and 0 which means that no event has occurred in this channel Address 31 and 32 If the corresponding bit of address 29 and 30 is 1 it means that an event has occurred in the corresponding c...

Page 11: ... R 02 1 ON 0 OFF 0010H DI17 BIT R 02 1 ON 0 OFF 0011H DI18 BIT R 02 1 ON 0 OFF 0012H DI19 BIT R 02 1 ON 0 OFF 0013H DI20 BIT R 02 1 ON 0 OFF 0014H DI21 BIT R 02 1 ON 0 OFF 0015H DI22 BIT R 02 1 ON 0 OFF 0016H DI23 BIT R 02 1 ON 0 OFF 0017H DI24 BIT R 02 1 ON 0 OFF 0018H DI25 BIT R 02 1 ON 0 OFF 0019H DI26 BIT R 02 1 ON 0 OFF 001AH DI27 BIT R 02 1 ON 0 OFF 001BH DI28 BIT R 02 1 ON 0 OFF 001CH DI29 ...

Page 12: ...0x00 0x8E 0x04 are converted into binary Numbers of 0000 0000 0000 1000 11 0000 0100 that is the 18th 19 20 24 27 switch state is closed the others are open state Example 4 Read the state of 17 to 32 switches Send 0x01 0x02 0x00 0x10 0x00 0x10 0x78 0x03 Return 0x01 0x02 0x02 0x8E 0x04 0xDD 0xDB Description 0x8E 0x04 are converted into binary number of 1000 1110 0000 0100 that is the 18th 19 20 24 ...

Page 13: ...de Passive dry contact 8 channel relay output pulse or hold mode Bus way Half duplex RS485 Modbus RTU three core shielding wire is recommended Half duplex RS485 Modbus RTU three core shielding wire is recommended Bus capacity 32 32 Switch event resolution The ability to distinguish successive displacement of multiple contacts with the displacement interval of any two contacts greater than 1 millis...

Page 14: ... control channel Note 2 High 8 bit DI low 8 bit DO Bit0 BIT7 corresponds to DO1 DO8 Bit8 BIT15 corresponds to DI1 DI8 Fixed point number R W 2 13 15 Reserve Fixed point number R 03 04 2 16 Current state of remote signaling channel Note 2 Bit0 is the first channel of DI1 Bit1 is the second channel of DI2 and so on Fixed point number R 03 04 2 17 Current status of remote control channel Note 2 Bit0 ...

Page 15: ...nary relay mode When the duration is greater than 0 the digital output is pulse relay mode and the output duration is the set length of time DO state reading Read the DO status with MODBUS command 01 Among which 1 ON 0 OFF Data ADD Data content Data types Read W rite Comman d word Numerical range 0000H DO1 BIT R 01 1 ON 0 OFF 0001H DO2 BIT R 01 1 ON 0 OFF 0002H DO3 BIT R 01 1 ON 0 OFF 0003H DO4 BI...

Page 16: ... address 2 are closed Example 2 Read 1 to 5 switch states Send 0x01 0x02 0x00 0x00 0x00 0x05 0xB8 0x09 Return 0x01 0x02 0x01 0x10 0xA0 0x44 Description 0x10 is converted into a binary number of 00010000 that is the fifth switch is in the closed state the others are in the open state Example 3 Read relay state 1 to 5 Send 0x01 0x01 0x00 0x00 0x00 0x05 0xFC 0x09 Return 0x01 0x01 0x01 0x0C 0x51 0x8D ...

Page 17: ...local setting address baud rate 0 Host computer sets the address and baud rate 1 5 3 5 Format setting Mode Dial code9 Dial code10 10 bits 1 start bit 8 data bits 1 stop bit 0 0 11 bits 1 bit start 8 bits data 2 bits stop reserved 1 0 11 bits 1 bit start 8 bit data parity 1 bit stop 0 1 11 bits 1 bit start 8 bit data odd check 1 bit stop 1 1 Note Dial code switch status description 1 OFF 0 ON 5 4 M...

Page 18: ... Abnormal Lower device reply MODBUS function of 81H 82H ADD Corresponding error function Exception error code data CRC check BYTE BYTE BYTE WORD XX XX 81H 82H XX 02H wrong address 03H wrong data XXXX CRC check value 5 4 3 Read using Modbus s functions of 03 or 04 Upper computer required reading 03H 04H function of MODBUS ADD Function Start address Data CRC check BYTE BYTE WORD WORD WORD XX XX 03H ...

Page 19: ...BYTE WORD WORD WORD XX XX 06H XXXX XXXX XXXX CRC check value Abnormal Lower device reply MODBUS 06H function ADD Function Start address Data CRC check BYTE BYTE WORD WORD WORD XX XX 06H XXXX XXXX XXXX CRC check value Abnormal Lower device reply MODBUS 86H function ADD corresponding error function Exception error code data CRC check BYTE BYTE BYTE WORD XX XX 86H XX 02H address wrong 03H data wrong ...

Page 20: ...S ADD Corresponding error function Exception error code data CRC check BYTE BYTE BYTE WORD XX XX 90H XX 02H address wrong 03H data wrong 04 not allowed to write XXXX CRC check value 5 5 Communication wiring method Note Figure 1 is the best wiring method Figure 2 is wiring method of few products ...

Page 21: ... and connect to the upper computer b The upper computer issues commands according to the station number and baud rate of the module and in the format of the protocol At this point the module s communication indicator flashes indicating that the module has received the command from the upper computer and responded that is the communication has been established 5 6 2 Debugging 1 Check whether the po...

Page 22: ...19 5 7 Outline and dimension diagram ARTU K8 K16 K32 Remote signal unit Outline and dimensions ARTU KJ8 Remote signal remote control unit Outline and dimensions ...

Page 23: ...Fax 0086 21 69158303 Web site www acrel electric com E mail ACREL008 vip 163 com Postcode 201801 Manufacturer Jiangsu Acrel Electrical Manufacturing Co LTD Address No 5 Dongmeng Road Dongmeng industrial Park Nanzha Street Jiangyin City Jiangsu Province China TEL Fax 0086 510 86179970 Web site www jsacrel com Postcode 214405 E mail JY ACREL001 vip 163 com ...