NA-9473 (RS-485) - TECON sro Vrchlabí
Contents
1. Received Data LED Transmit Data Expansion Module Status LED or Plugging and Removal of the Components CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr FnlO S Series oH 14 4 FnIO MODBUS Adapter NA 9473 FnlO S Series 5 2 FnBusS TOBCIDESETID UIT AT ad 17 5 3 MODBUS Electrical 18 5 3 1 Terminator 18 5 3 2 MODBUS DIP Switch Setups cdi 19 5 3 3 I O Process Image Map 21 5 3 4 MODBUS Interface Register Bit 21 5 4 rz e 22 5 4 1 Example of Input Process Image Input Register 22 5 4 2 Example of Output Process Image Output Register 24 MODBUS Lu edat uita 26 6 1 MODBUS Transmission a adecuada ae anh nte geom itle 26 6 1 1 RTU Transmission DV ICI LBS race Haier Hic dcdit dai a ne dU d2. Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x81 0x81 Exception Code 0x02 0x02 Error Check CRC LRC 0x22 End of Frame t1 t2 t3 Exception Codes pn Name Description 01 Illegal Function The function code received in the query is not an allowable action for the server or slave 02 Illegal Data Address The data address received in the query is not an allowable address for the server or slave 03 Illegal Data Value A value contained in the query data field is not an allowable value for server or slave 04 Slave Device Failure An unrecoverable error occurred while the server or slave was attempting to perform the requested action 05 Acknowledge The server or slave has accepted the request and is processing it but a long duration of time will be required to do so 06 Slave Device Busy Specialized use in conjunction with programming commands The server or slave is engaged in processing a long duration program command The client or master should retransmit the message later when the server or slave is free 08 Memory Parity Error The server or slave attempted to read record file but detected a parity error in the memory The client or master can retry the request but service may be required on the server or slave device 0A Gateway Path Unavailable Specialized use in conjunction with gateways indicates that the gateway
3. 34bytes First 1 word is length of valid character string 7 words Composite Id of following address word 0x1100 4352 Rotary switch value Slave Node Id word 0x1000 4096 Vendor ID 0 101 4126 Read word 0x1001 4097 Device type word 0x1002 4098 Product code word 0x1003 4099 Firmware revision 2 words 0x1004 4100 Product serial number String Type consists of valid string length first 1 word and array of characters CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS FnIO MODBUS Adapter NA 9473 FnlO S Series 6 3 2 Adapter Watchdog Time other Time Special Register 0x1020 4128 A watchdog timer can be configured for timeout periods up to 65535 1unitz100msec The Watchdog timer will timeout timer decreased reached 0 if MODBUS operation to the slave node does not occur over the configured watchdog value then the slave adapter forces that slot output value is automatically set to user configured fault actions and values Address Access Type Size Description Watchdog time value 16bit unsigned The time value is represented by multiples 100msec Caan Readies dower The default value is 50 50 100msec 5sec A changing of watchdog time value resets watchdog error tchdog time remain val 0 1021 4129 Read 1 word This value decreases every 100msec 0x1022 4130 Read Te Watchdog error coun
4. Addr 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0x0000 Discrete In 8pts Slot 2 Empty Always 0 Discrete In 4pts Slot 1 0x0001 Analog Input high byte Slot 3 Analog Input low byte Slot 3 0x0002 Analog Input Chl high byte Slot 3 Analog Input Chl low byte Slot 3 0x0003 Discrete In high 8pts Slot 4 Discrete In low 8pts Slot 4 0x0004 Discrete In 8pts Slot 6 Empty Always 0 Discrete In 4pts Slot 5 Input Process Image Mode 3 Compressed Input Processing Data without Status Addr 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0x0000 Analog Input high byte Slot 3 Analog Input low byte Slot 3 0x0001 Analog Input Chl high byte Slot 3 Analog Input Chl low byte Slot 3 0x0002 Discrete In low 8pts Slot 4 Discrete In 8pts Slot 2 0x0003 Discrete In 8pts Slot 6 Discrete In high 8pts Slot 4 0x0004 Empty Always 0 Discrete In 4pts Slot 5 Discrete In 4pts Slot 1 FnBus uses the byte oriented register mapping Size of input image bit is size of input image register 16 Y Input Assembly Priority 1 Analog Input Data Word type 2 8 16 points Discrete Input Data Byte type 3 4 points Input Data Bit type 4 2 points Input Data Bit type Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 24 FnIO MODBUS Adapter NA 9473 FnlO S Seri
5. System Power 5Vdc mM gt System Power GND g FnBus Signal RS485 DATA RS485 DATA RS485 GND H0 i System Power 24V System Power GND Field Power from 24V Extermal Power Supply Field Power GND AUT p Field Power OVdc EET Field Power 24Vdc Pin No Signal Description Signal Description 4 System Power GND 6 Field Power GND Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 2 2 Specification FnIO MODBUS Adapter NA 9473 2 2 1 General Specification General Specification FnlO S Series System Power Supply voltage 24Vdc nominal Supply voltage range 20 28 8Vdc Protection Output current limit Min 1 0A Reverse polarity protection Power Dissipation 150mA typical 24Vdc Current for I O Module 0 5A 5Vdc System power to internal logic Non isolation Isolation System power to Physical RS485 logic Non isolation System power to I O driver Isolation Field Power Supply voltage 24Vdc nominal Supply voltage range 11 28 8Vdc Max Current Field Power Contact DC 4A Max Weight 80g Module Size 15mm x 99mm x 70mm Environment Condition Environmental Specifications Refer to Environment Specification Operating Temperature 20 to 55 C Non Operating Temperature 40 to 85 C Relative Humidity 5 90 non condensing Operating
6. 11 Register Value 0 Lo 0x22 0x22 Register Value 1 Hi 0x33 0x33 Register Value 1 Lo 0x44 0x44 Error Check CRC LRC Ox3B 0x12 End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code OxOF OxOF Starting Address Hi 0x08 0x08 Starting Address Lo 0x00 0x00 Quantity of Outputs Hi 0x00 0x00 Quantity of Outputs Lo 0x02 0x02 Error Check CRC LRC 0x43 OxCE End of Frame t1 t2 t3 Incase of address 0x0800 0x0801 output register value 0x0000 0x0000 changes to 0x1 122 0x3344 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 37 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 10 23 0x17 Read Write Multiple Registers This function code performs a combination of one read operation and one write operation in a single MODBUS transaction The write operation is performed before the read The request specifies the starting address and number of holding registers to be read as well as the starting address number of holding registers and the data to be written The byte count specifies the number of bytes to follow in the write data field The normal response contains the data from the group of registers that were read The byte count field specifies the quantity of bytes to follow in the read data field Request Field name Example RTU Sta
7. 2F Active ST 4622 2 Channels Voltage 0 5Vdc 12bit 81 41 30 Active ST 4911 1 Channel Current 0 1 12bit 81 40 31 Active Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 49 FnIO MODBUS Adapter NA 9473 FnlO S Series Special Module ST 5101 1 Channel High Speed Counter 5V Input 01 05 34 Active 5 5111 1 Channel High Speed Counter 24V Input C1 01 05 39 Active ST 5112 2 Channel High Speed Counter 24V Sink Input C1 01 07 4D Active ST 5114 4 Channel High Speed Counter 24V Sink Input Cl 03 OF 4C Active ST 5211 RS232 Communication RTS CTS Flow Control C1 05 05 42 Active ST 5212 RS232 Communication 2Channel Cl OB OB 43 Active ST 5221 RS422 Communication 1 Channel Cl 05 05 44 Active ST 5231 RS485 Communication Channel C1 05 05 45 Active ST 5232 RS485 Communication 2Channel Cl OB OB 46 Active ST 5351 SSI Interface 1CH Cl 01 09 9 Active ST 5422 2 CH PWM output 1 5A 24Vdc source C1 05 01 57 Active ST 5442 2 CH PWM output 0 5A 24Vdc source 05 01 56 Active ST 5444 4 PWM output 0 5A 24Vdc source Cl OB 03 54 Active ST 5641 1 CH Pulse output 0 5A 24Vdc source C1 05 03 92 Active ST 5642 2 CH Pulse output 0 5A 24V dc source C1 09 07 90 Active ST 5651 1 CH Pulse output RS422 C1 05 03 98 Active Power Module ST 7408 8 Channels Shield ID Type 02 00 E4 Active ST 7508 8 Channe
8. Altitude 2000m Mounting DIN rail Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 10 FnIO MODBUS Adapter NA 9473 FnlO S Series 2 2 2 Interface Specification Interface Specification NA 9473 RS 485 Adapter Type Slave node MODBUS Serial RTU ASCII Server Max Expansion Module 12 slots Max Input Size 64words 128bytes Max Output Size 64words 128bytes Max Length Bus Line 1200m NA 9473 RS 485 depend on baud rate Max Nodes 16 nodes NA 9473 RS 485 Baud rate 1200 2400 4800 9600 19200 38400 57600 115200bps SW2 Protocol RTU and ASCII Settable Node Address 1 15 with DIP switch SW1 4 LEDs 1 Green Red Module Status MOD Indicator 1 Green Received Data RXD 1 Green Transmit Data TXD 1 Green Red Expansion Module Status I O Module Location Starter module left side of FnIO system Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 11 FnIO MODBUS Adapter NA 9473 FnlO S Series 2 3 LED Indicator 2 3 1 Module Status LED MOD State LED is To indicate No Power Off No power is supplied to the unit Device Operational Green The unit is operating in normal condition Devine Ges ane device meee commissioning due to configuration missing incomplete or incorrect MODBUS Error GieeniRed Topple MODBUS error such as watchdog error CRC LRC error
9. Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 25 FnIO MODBUS Adapter NA 9473 FnlO S Series Output Process Image Mode 1 Compressed Output Processing Data Addr 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0x0800 Analog out ChO high byte Slot 3 Analog out ChO low byte Slot 3 0x0801 Analog out Chl high byte Slot 3 Analog out Chl low byte Slot 3 0x0802 Discrete out low 8pts Slot 4 Discrete out 8pts Slot 2 0x0803 Discrete out 8pts Slot 6 Discrete out high 8pts Slot 4 Discrete 0 0804 Empo Don t care Out 2pts Discrete Out 4pts Discrete Out 4pts Slot 7 Slot 5 Slot 1 FnBus uses the byte oriented register mapping Size of input image bit is size of input image register 16 Y Output Assembly Priority 1 Analog Output Data Word type 2 8 16 points Discrete Output Data Byte type 3 4 points Output Data Bit type 4 2 points Output Data Bit type Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 26 FnIO MODBUS Adapter NA 9473 6 MODBUS INTERFACE 6 1 MODBUS Transmission Mode FnlO S Series Two different serial transmission modes are defined The RTU mode and the ASCII mode It defines the bit contents of message fields transmitted serially on the line It determines how information is packed into the message fields and decoded 6 1 1 RTU Transmiss
10. not supplied MOD LED flashes green Failure of initialization EEPROM Conad Sales team and send module parameter for repair E f ion slot 22 m So Use expansion slot up to 32 e cup Compose that IO total size is not MOD LED flashes red Wrong IO composition 22 f EEPROM check aaa Check composition I O Module error MOD LED is red Wrong address 1D o Contact Sales team and send module Occurrence critical error in firmware for repair VO LED turns off Failure of expansion Module CHE status both NA None expansion Module series and expansion module Check communication cable with Failure of configuration baud rate Master Check power for master Use expansion slot up to 32 I O LED flashes red Compose that IO total size is not NUR excess Failure of initialization I O NA series notice unidentified expansion module ID Check status of expansion module heck status of ionI I O LED is red Failure of exchanging I O data bns 5 connection heck mai f t d NET LED turns off Failure of communication with Master hes ies aaa communication cable heck status in soft for Mast NET LED flashed green Failure of exchanging data with master E ic configuration Check BUS line cable for connection 220 with master NET LED is red Communication connecting lost Check duplication address Copyrig
11. was unable to allocate an internal communication path from the input port to the output port for processing the request NA 9473 response exception code 01 02 03 04 and 06 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS FnIO MODBUS Adapter NA 9473 FnlO S Series 6 3 MODBUS Special Register The special register map can be accessed by function code 3 4 6 and 16 Also the special register map must be accessed by read write of every each address one address 6 3 1 Adapter Identification Special Register 0x1000 4096 Copyright C Address Access Type Size Description 0x1000 4096 Read 1 word Vendor ID 0x02E5 741 Crevis Co Ltd 0x1001 4097 Read 1 word Device type 0x000C Network Adapter Product code 0 0300 NA 9171 MODBUS RS 232 0x 1002 4098 Read 1 word 0x0301 NA 9173 MODBUS RS 485 0x1301 NA 9473 MODBUS RS 485 0x 1003 4099 Read 1 word Firmware revision if 0x0101 revision 1 01 0x 1004 4100 Read 2 words Product unique serial number Product name string String upto First 1 word is length of valid character string 0 1005 4101 Read 34byles Example response as following Valid character size 0x0015 21 characters NA9473 MODBUS Adapter 0x1006 4102 Read 1 word Sum check of EEPROM 0x1010 4112 Read 2 words Firmware release date 0 1011 4113 Read 2 words Product manufacturing inspection date String upto Vendor name string
12. 0 Normal slot 0x1119 4377 Read 1 word Hi byte is MODBUS status low byte is FnBus status Refer to 5 3 1 0x111A 4378 Write 1 word Reserved Adapter Scan command 0 1118 4379 Read Write 1 word Reserved IO State machine 0 111 4380 Read 2 words Reserved Runtime fault code 0x111D 4381 Read word Adapter FnBus Revision If 0x013C FnBus Revision is 1 60 0 111 4382 Read 1 word Reserved Adapter IO identification vendor code After the system is reset the new Set Value action is applied Tf the slot location is changed set default value automatically all expansion slots are live Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 42 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 3 4 Expansion Slot Information Special Register 0x2000 8192 Each expansion slot has 0x20 32 address offset and same information structure Slot 1 0x2000 8192 0 201 8223 Slot 2 0x2020 8224 0x203F 8255 Slot 3 0x2040 8256 0 205 8287 Slot 4 0x2060 8288 0 207 8319 Slot 5 0x2080 8320 0x209F 8351 Slot 6 0 20 0 8352 0x20BF 8383 Slot 7 0 20 0 8384 0x20DF 8415 Slot 8 0 20 0 8416 0 20 8447 Slot 9 0 2100 8448 0x211F 8479 Slot 10 0x2120 8480 0x213F 8511 Slot 11 0 2140 8512 0 215 8543 Slot 12 0x2160 8544 0 217 8575 Address Expa
13. 1 8222 Ox203E 8254 0 205 8286 Ox215E 8542 0 217 8574 0 1 31 0 201 8223 0 203 8255 0 205 8287 0 215 8543 0x217F 8575 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 43 FnIO MODBUS Adapter NA 9473 FnlO S Series Address Access Type Size Description 0x00 0 Read 1 word Slot module id Refer to Appendix A 1 Product List 0 01 1 Read 1 word Expansion Slot IO code Refer to Table IO Data Code Format 0x02 2 Read 1 word Input start register address of input image word this slot 0x03 3 Read 1 word Input word s bit offset of input image word this slot 0x04 4 Read 1 word Output start register address of output image word this slot 0x05 5 Read 1 word Output word s bit offset of output image word this slot 0 06 6 Read 1 word Input bit start address of input image bit this slot 0x07 7 Read 1 word Output bit start address of output image bit this slot 0x08 8 Read 1 word Size of input bit this slot 0x09 9 Read 1 word Size of output bit this slot 0 10 55 Read n words Read input data this slot OxOB 11 Read Write n words Read write output data this slot 0 0 12 Read Write 1 word Inactive slot 0x0000 active 0x0001 inactive 0 0 14 Read 1 word ST number if ST 1324 returns 0x1324 First 1 word
14. 1 FnIO MODBUS Adapter NA 9473 FnlO S Series NA 9473 55 425 User Manual Version 1 01 2013 CREVIS Co Ltd Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS FnIO MODBUS Adapter NA 9473 FnlO S Series DOCUMENT CHANGE SUMMARY REV PAGE REMARKS DATE EDITOR New 1 0 2012 10 24 JE Kang Document 1 01 Modify the Pin Description 2014 05 08 YMKIM Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 1 Important Notes 1 1 1 1 1 1 1 2 1 1 3 2 Specification 2 1 2 1 1 2 2 2 2 1 2 2 2 2 3 2 3 1 2 3 2 2 3 3 2 3 4 3 Dimension pr crga lan eel eae EE 3 1 4 Mechanical Set Up 4 1 4 2 5 MODBUS Electrical Interface 5 1 Copyright C FnIO MODBUS Adapter NA 9473 CONTENTS TVS ooa mq mete api qub Safety INOUE fepe cC Certification The agi N 9473 MODBUS 5 485 Nr General 5 did dedi Interface 5 RUD DR electo NENNT UT T Module Status LED
15. 14E 8526 0 216 8558 0 0 15 Ox200F 8207 Ox202F 8239 0 204 8271 0 214 8527 0 216 8559 0 10 16 0 2010 8208 0 2030 8240 0 2050 8272 0 2150 8528 0 2170 8560 0 11 17 0 2011 8209 0 2031 8241 0x2051 8273 0 2151 8529 0 2171 8561 0 12 18 0 2012 8210 0 2032 8242 0 2052 8274 0 2152 8530 0 2172 8562 0 13 19 0x2013 8211 0x2033 8243 0x2053 8275 0x2153 8531 0x2173 8563 0x14 20 0x2014 8212 0x2034 8244 0 2054 8276 0 2154 8532 0 2174 8564 0 15 21 0x2015 8213 0x2035 8245 0x2055 8277 0x2155 8533 0x2175 8565 0x16 22 0 2016 8214 0 2036 8246 0x2056 8278 0x2156 8534 0x2176 8566 0 17 23 0 2017 8215 0 2037 8247 0 2057 8279 0 2157 8535 0 2177 8567 0x18 24 0x2018 8216 0 2038 8248 0 2058 8280 0x2158 8536 0x2178 8568 0x19 25 0x2019 8217 0 2039 8249 0 2059 8281 0 2159 8537 0 2179 8569 Ox1A 26 0 201 8218 0x203A 8250 0 205 8282 0 215 8538 0 217 8570 0 1 27 0x201B 8219 0 203 8251 0 205 8283 0x215B 8539 0 217 8571 0 1 28 0x201C 8220 0 203 8252 0 205 8284 0 215 8540 0 217 8572 0x1D 29 0x201D 8221 0x203D 8253 0 2050 8285 0 2150 8541 0x217D 8573 0 1 30 0 20
16. 2 t3 Incase of address 0x0800 0x0801 output register value 0x1122 0x3344 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 30 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 4 4 0x04 Read Input Registers This function code is used to read from 1 to approx 125 contiguous input registers in a remote device The Request PDU specifies the starting register address and the number of registers The register data in the response message are packed as two bytes per register with the binary contents right justified within each byte For each register the first byte contains the high order bits and the second contains the low order bits Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x04 0x04 Starting Address Hi 0x00 0x00 Starting Address Lo 0x00 0x00 Quantity of Register Hi 0x00 0x00 Quantity of Register Lo 0x02 0x02 Error Check CRC LRC 0x71 OxAD End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x04 0x04 Byte Count 0x04 0x04 Input Register 0 Hi 0x00 0x00 Input Register 0 Lo 0x80 0x80 Input Register 1 Hi 0x00 0x00 Input Register 1 Lo 0x00 0x00 Error Check CRC LRC 0x9C 0x6C End of Frame t1 t2 t3 Incase of address 0x0000 0x0001 input register value 0x0080 0x0000 Copyright C CREVI
17. Input Status 0x00 0x00 Error Check CRC LRC 0x50 0x78 End of Frame t1 t2 t3 Incase of address 0x0015 0x0000 output bit value 00000000 10000000 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 29 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 3 3 0x03 Read Holding Registers This function code is used to read the contents of a contiguous block of holding registers in a remote device The Request PDU specifies the starting register address and the number of registers The register data in the response message are packed as two bytes per register with the binary contents right justified within each byte For each register the first byte contains the high order bits and the second contains the low order bits Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x03 0x03 Starting Address Hi 0x08 0x08 Starting Address Lo 0x00 0x00 Quantity of Register Hi 0x00 0x00 Quantity of Register Lo 0x02 0x02 Error Check CRC LRC 0xC6 0x0D End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x03 0x03 Byte Count 0x04 0x04 Output Register 0 Hi 0 11 0 11 Output Register 0 Lo 0x22 0x22 Output Register 1 Hi 0x33 0x33 Output Register 1 Lo 0x44 0x44 Error Check CRC LRC 0 2 0xC6 End of Frame t1 t
18. Register 0x2000 8192 42 6 4 MODBUS Reference RT 44 VEU Us Aeeeseett eme 45 Zl How to diagnose by LED NA AL 45 APPENDIX e P 47 M MED 47 A2 RO SS yc ested av det deter thee nsdn eine datareader hana date na ded 49 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 6 FnIO MODBUS Adapter NA 9473 FnlO S Series 1 Important Notes Solid state equipment has operational characteristics differing from those of electromechanical equipment Safety Guidelines for the Application Installation and Maintenance of Solid State Controls describes some important differences between solid state equipment and hard wired electromechanical devices Because of this difference and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will CREVIS be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation CREVIS cannot assume responsibility or liability for actual use based on the exampl
19. S Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 31 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 5 5 0x05 Write Single Coil This function code is used to write a single output to either ON or OFF in a remote device The requested ON OFF state is specified by a constant in the request data field A value of FF 00 hex requests the output to be ON A value of 00 00 requests it to be OFF All other values are illegal and will not affect the output Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x05 0x05 Starting Address Hi 0x10 0x10 Starting Address Lo 0x01 0x01 Quantity of Outputs Hi OxFF OxFF Quantity of Outputs Lo 0x00 0x00 Error Check CRC LRC OxD9 0 5 End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x05 0x05 Output Address Hi 0x10 0x10 Output Address Lo 0x01 0x01 Output Value Hi OxFF OxFF Output Value Lo 0x00 0x00 Error Check OxD9 0 5 End of Frame t1 t2 t3 Output bit of address 0x1001 turns ON Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 32 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 6 6 0x06 Write Single Register This function code is used to write a single holding register in a remote device Therefore register numbered 1 18 addressed a
20. Setup dip switch error etc Recoverable Fault Minor Fault Flashing Red EEPROM sum check error Unrecoverable Fault Red The device has an unrecoverable fault 2 3 2 Received Data LED RXD Memory error or CPU watchdog error State LED is To indicate Not Powered Off Device is not on line or may not be powered Adapter Slave received correct frame which address to the slave Adapter received Flashing Green or broadcast correct message frame 2 3 3 Transmit Data LED TXD About 20msec flashing State LED is To indicate Not Powered Off Device is not on line or may not be powered Adapter 51 tr it frame Adapter transmit frame Flashing Green A Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr About 20msec flashing CREVIS 12 FnIO MODBUS Adapter NA 9473 FnlO S Series 2 3 4 Expansion Module Status LED I O State LED is To indicate Not P d Module Off Device has no expansion module or may not be powered FnBus On line FnBus is normal but does not exchanging I O data Flashing Green Do not Exchanging I O Passed the expansion module configuration FnBus Connection G Exchanging I O dat Run Exchanging IO ata One or more expansion module occurred in fault state FnBus connection fault 1 Red Changed expansion module configuration during exchanging IO M FnBus commun
21. ad 1 word Size of input image word register 0x1105 4357 Read 1 word Size of output image word register 0x1106 4358 Read 1 word Start address of input image bit 0x0000 0x1107 4359 Read 1 word Start address of output image bit 0x1000 0x1108 4360 Read 1 word Size of input image bit 0x1109 4361 Read 1 word Size of output image bit upto Expansion slot s ST number including NA 110E 4 Read 08360 E 33 word First 1 word is adapter s number if NA 9473 then 0x9473 0x1110 4368 Read 1 word Number of expansion slot 0x1111 4369 Read word Number of active slot 0x1112 4370 Read 1 word Number of inactive slot 0x1113 4371 Read upto Expansion B Module Id Refer to Appendix A 1 Product List 33 word First 1word is adapter s module id 1 word Input process image mode The default value is 2 1114 4372 Read Writ ve 1372 Valid value range is from 0 to 3 Refer to 5 3 1 1 word Output process image mode The default value is 0 1115 4373 Read t Valid value range is from 0 to 1 Refer to 5 3 2 2 words Inactive slot list The corresponding bit represents slot position 0x1116 4374 Read Write 0 Active slot 1 Inactive slot Ex if value is 0x0001 0x8000 then slot 1 32 are inactive slots 0x1117 4375 Read 2 words ENS slot list The corresponding bit represents slot position 1 live slot 0 not live slot 0x1118 4376 Read 2 words Alarm slot list The corresponding bit represents slot position 1 Alarm slot
22. ception Error Count v Sub function 0x000E 14 Return Slave Message Count The response data field returns the quantity of messages addressed to the remote device or broadcast that the remote device has processed since its last restart clear counters operation or power up Sub function Data Field Request Data Field Response Description 0 000 14 0 0000 Slave Message Count Y Sub function 0x000F 15 Return Slave No Response Count The response data field returns the quantity of messages addressed to the remote device for which it has returned no response neither a normal response nor an exception response since its last restart clear counters operation or power up Sub function Data Field Request Data Field Response Description 0 000 15 0 0000 Slave No Response Count Y Sub function 0x0064 100 Return Slave MODBUS FnBus Status The response data field returns the status of MODBUS and FnBus addressed to the remote device This status values are identical with status 1 word of input process image Refer to 5 3 1 Sub function Data Field Request Data Field Response Description 0x0064 100 0x0000 MODBUS FnBus Status Same as status 1 word Y Sub function 0x0065 101 Return Slave MODBUS Error Count The response data field returns the quantity of watchdog error addressed to the remote device since its last restart clear counters operation or power up Sub function Data Field Request Data Field Resp
23. es 5 4 2 Example of Output Process Image Output Register Map Output image data depends on slot position and expansion slot data type Output process image data is only ordered by expansion slot position when output image mode is uncompressed mode 0 But when output image mode is compressed mode 1 output process image data is ordered by expansion slot position and slot data type Output process image mode can be set by special register 0x1115 4373 Refer to 6 3 3 For example slot configuration Slot Address Module Description 0 MODBUS Adapter 1 4 discrete output 2 8 discrete output 3 2 analog output 4 16 discrete output 5 4 discrete output 6 8 discrete output 7 2 relay output Output Process Image Mode 0 Uncompressed Output Processing Data default output image Addr 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0x0800 Discrete out 8pts Slot 2 Empty Don t care Discrete out 4pts Slot 1 0 0801 Analog out high byte 510883 Analog out low byte Slot 3 0 0802 Analog out Chl high byte Slot 3 Analog out Chl low byte Slot 3 0x0803 Discrete out high 8pts Slot 4 Discrete out low 8pts Slot 4 0x0804 Discrete out 8pts Slot 6 Empty Don t care Discrete out 4pts Slot 5 Discrete 0x0805 Empty Don t care Empty Don t care out 2pts Slot 7 Copyright C CREVIS
24. es and diagrams Y don t follow the directions it could cause a personal injury damage to the equipment or explosion Do not assemble the products and wire with power applied to the system Else it may cause an electric arc which can result into unexpected and potentially dangerous action by field devices Arching is explosion risk in hazardous locations Be sure that the area is non hazardous or remove system power appropriately before assembling or wiring the modules Do not touch any terminal blocks or IO modules when system is running Else it may cause the unit to an electric shock or malfunction Keepaway from the strange metallic materials not related to the unit and wiring works should be controlled by the electric expert engineer Else it may cause the unit to a fire electric shock or malfunction Y If you disobey the instructions there may be possibility of personal injury damage to equipment or explosion Please follow below Instructions Check the rated voltage and terminal array before wiring Avoid the circumstances over 55 of temperature Avoid placing it directly in the sunlight Avoid the place under circumstances over 8596 of humidity Do not place Modules near by the inflammable material Else it may cause a fire Do not permit any vibration approaching it directly Go through module specification carefully ensure inputs output connections are made with the specifications Use sta
25. g Address Lo 0x00 0x00 Quantity of Outputs Hi 0x00 0x00 Quantity of Outputs Lo Byte Count 0x02 0x02 Output Value 0 0x55 0x55 Output Value 1 0 01 0 01 Error Check CRC LRC 0x21 9 End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code OxOF OxOF Starting Address Hi 0x10 0x10 Starting Address Lo 0x00 0x00 Quantity of Outputs Hi 0x00 0x00 Quantity of Outputs Lo Ox0A Ox0A Error Check CRC LRC OxD1 0x6A End of Frame t1 t2 t3 Incase of address 0x1015 0x1000 output bit value 00000000 00000000 changes to 00000001 01010101 CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 36 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 9 16 0x10 Write Multiple Registers This function code is used to write a block of contiguous registers 1 to approx 120 registers in a remote device The requested written values are specified in the request data field Data is packed as two bytes per register The normal response returns the function code starting address and quantity of registers written Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code OxOF OxOF Starting Address Hi 0x08 0x08 Starting Address Lo 0x00 0x00 Quantity of Registers Hi 0x00 0x00 Quantity of Registers Lo 0x02 0x02 Byte Count 0x04 0x04 Register Value 40 Hi 0 11 0
26. h 26 6 1 2 ASCII Transmission Mod a cose bel atrae 26 6 2 Supported MODBUS Function Codes eerte trennen tentes 26 6 2 1 8 05 01 Read OUS iate 27 6 2 2 2 0x02 Read Discrete INputs 28 6 2 3 3 0x03 Read Holding 5 nein lian 29 6 2 4 4 0x04 Read Input Registers cosets secre dne 30 6 2 5 540X05 Write duele dtl tedio inda 31 6 2 6 6 0x06 Write Single Register is acia 32 6 2 7 33 6 2 8 15 Ox0OF Write Multiple COLS a 35 6 2 9 16 0x10 Write Multiple Registers b 36 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 5 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 10 23 0x17 Read Write Multiple 37 6 2 11 A unb 38 6 3 MODBUS Special Register 39 6 3 1 Adapter Identification Special Register 0 1000 4096 39 6 3 2 Adapter Watchdog Time other Time Special Register 0 1020 4128 40 6 3 3 Adapter Information Special Register 0x1100 4352 41 6 3 4 Expansion Slot Information Special
27. ht C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 46 FnIO MODBUS Adapter NA 9473 FnlO S Series 7 2 How to diagnose when device couldn t communicate network Inspection of wrong or omission cable connection Check status of cable connection for each node Check that all color matches between connector and cable Check wire omission Terminator resistor If terminator resistor is not installed install terminator resistor Check location of terminator resistor Configuration of Node address Check duplication node address Configuration of Master Check configuration of master Check whether to do download or don t Check composition is right Configuration of communication baud rate size Configuration of each node Ground and environment Check ground is contacted Check environment factor temperature humidity etc is in less than regular limit Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 47 FnIO MODBUS Adapter NA 9473 FnlO S Series APPENDIX A A 1 Product List ST Number Description ID hex Production Status Digital Input Module ST 1114 4 Points Sink Positive 5Vdc 41 00 Ol Active ST 111F 16 Points Sink Positive 5Vdc 41 01 19 Active ST 1124 4 Points Source Negative 5Vdc 41 00 02 Active ST 112F 16 P
28. ication failure Failed to initialize expansion module Detected invalid expansion module ID Expansion Flashing Red Overflowed Input Output Size Configuration Failed Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr Too many expansion module Initial protocol failure Mismatch vendor code between adapter and expansion module CREVIS 13 FnIO MODBUS Adapter NA 9473 FnlO S Series 3 Dimension 3 1 9473 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 14 FnIO MODBUS Adapter NA 9473 FnlO S Series 4 Mechanical Set Up 4 1 Total Expansion The number of the module assembly that can be connected is 12 So the maximum length is 159mm Exception ST 2748 is excepted to calculate maximum length because that is double width module 4 2 Plugging and Removal of the Components As above figure in order to safeguard the FnIO module from jamming it should be fixed onto the DIN rail with locking level To do so fold on the upper of the locking lever To pull out the FnIO module unfold the locking lever as below figure DANGER Before work is done on the components the voltage supply must be turned off Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 15 FnIO MODBUS Adapter NA 9473 5 MODBUS Electrical Interface 5 1 FnBus System User Interface Processor Module p EM Ne
29. igh 8pts Slot 4 Discrete In low 8pts Slot 4 0 0005 Discrete In 8pts 51006 Empty Always 0 Discrete In 4pts Slot 5 Y Status 0 Normal Operation 1 FnBus Standby 2 FnBus Communication Fault 3 Slot Configuration Failed 4 No Expansion Slot EC MODBUS Error Check 0 No Error CRC LRC 1 Error CRC LRC three times more sequentially since its last restart clear counters operation or power up Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS Status 23 FnIO MODBUS Adapter NA 9473 S Series Input Process Image Mode 1 Status 1 word Compressed Input Processing Data Addr 14 13 12 11 10 9 0x0000 0 EC 0 0 0 0 0 0 0 FnBus Status 0x0001 Analog Input high byte Slot 3 Analog Input low byte Slot 3 0x0002 Analog Input Chl high byte Slot 3 Analog Input Chl low byte Slot 3 0x0003 Discrete In low 8pts Slot 4 Discrete In 8pts Slot 2 0x0004 Discrete In 8pts Slot 6 Discrete In high 8pts Slot 4 0x0005 Empty Always 0 Discrete In 4pts Slot 5 Discrete In 4pts Slot 1 Y Input Assembly Priority 1 Analog Input Data Word type 2 8 16 points Discrete Input Data Byte type 3 4 points Input Data Bit type 4 2 points Input Data Bit type Input Process Image Mode 2 Uncompressed Input Processing Data without Status default input image
30. ight C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 34 FnIO MODBUS Adapter NA 9473 FnlO S Series Y Sub function 0x000A 10 Clear Counters and Diagnostic Register The goal is to clear all counters and the diagnostic register Counters are also cleared upon power up Sub function Data Field Request Data Field Response Description 0x000A 10 0x0000 Echo Request Data Y Sub function 0x000B 11 Return Bus Message Count The response data field returns the quantity of messages that the remote device has detected on the communications system since its last restart clear counters operation or power up Sub function Data Field Request Data Field Response Description 0x000B 11 0x0000 Total Message Count Y Sub function 0x000C 12 Return Bus Communication Error Count The response data field returns the quantity of CRC errors encountered by the remote device since its last restart clear counters operation or power up Sub function Data Field Request Data Field Response Description 0x000C 12 0x0000 CRC Error Count Y Sub function 0x000D 13 Return Bus Exception Error Count The response data field returns the quantity of MODBUS exception responses returned by the remote device since its last restart clear counters operation or power up Exception responses are described and listed in section 6 2 11 Sub function Data Field Request Data Field Response Description 0x000D 13 0x0000 Ex
31. ion Mode When devices communicate on a MODBUS serial line using the RTU Remote Terminal Unit mode each 8 bit byte in a message contains two 4 hexadecimal characters The main advantage of this mode is that its greater character density allows better data throughput than ASCII mode for the same baud rate Each message must be transmitted in a continuous stream of characters Start Address Function Data CRC Check End 3 5 chars 1 char 1 char 6 1 2 ASCII Transmission Mode When devices are setup to communicate on a MODBUS serial line using ASCII American Standard Code for Information Interchange mode each 8 bit byte in a message is sent as two ASCII characters This mode is used when the physical communication link or the capabilities of the device does not allow the conformance with RTU mode requirement regarding timers management Up to 252 chars 2 chars 3 5 chars Start Address Function Data CRC Check End 1 char 2 chars 2 chars Up to 252 chars 2 chars 2 chars CR LF 6 2 Supported MODBUS Function Codes Function Code Function Description Unicast Broadcast 1 0x01 Read Coils Read output bit Unicast 2 0x02 Read Discrete Inputs Read input bit Unicast 3 0x03 Read Holding Registers Read output word Unicast 4 0x04 Read Input Registers Read input word Unicast 5 0x05 Write Single Coil Write one bit output Unicast Broadcast 6 0x06 Write Single Register Write o
32. is length of valid character string If ST 1324 returns LE EE 2 7 0700 ds Valid character size 0x0021 33 characters ST 1324 FnIO 4 Sourcing In 48V dc 0x10 16 Read 1 word Size of configuration parameter byte ee 0 12 18 Read 1 word Size of memory byte 0 13 19 Read Write n words Read write Memory data Offset of memory is fixed with 0 0 14 20 Read Write n words Read write Memory data First 2byte of write data is memory offset 0 15 21 Read 2 words Product code Refer to Appendix A 1 Product List 0x16 22 Read 2 words Catalog number Refer to Appendix A 1 Product List 0 17 23 Read 1 word Firmware Revision 0 18 24 Read 1 word FnBus Revision 0 1 26 Read Write n words Reserved Read write expansion class access 0x1 B 27 Read Write n words Reserved Read write maintenance data access After the system is reset the new Set Value action is applied Nothing of output input and memory or configuration parameter corresponding slot returns Exception 02 Slot Configuration parameter saved by internal EEPROM during power cycle until slot position changed of output modules and special modules have the slot configuration parameter data Refer to Document FnIO Configuration Parameter Memory Register Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 44 Data Code F
33. it Sensor Connector 41 43 Active ST 3424 4 Channels Voltage 0 10Vdc 12bit 41 43 20 Active ST 3428 8 Channels Voltage 0 10Vdc 12bit 41 47 22 Active ST 3444 4 Channels Voltage 0 10Vdc 14bit 41 43 22 Active ST 3474 4 Channels Voltage 0 10Vdc 12bit Sensor Connector 41 43 AO Active ST 3524 4 Channels Voltage 10Vdc 10Vdc 12bit 41 43 21 Active ST 3544 4 Channels Voltage 10Vdc 10Vdc 14bit 4 43 23 Active ST 3624 4 Channels Voltage 0 5Vdc 12bit 41 43 24 Active ST 3644 4 Channels Voltage 0 5Vdc 14bit 41 43 25 Active ST 3702 2 Channels RTD Status 41 41 28 Active ST 3704 4 Channels RTD Status 41 43 64 Active ST 3708 8 Channels RTD Status 41 47 65 Active ST 3802 2 Channels TC 41 41 2A Active ST 3804 4 Channels TC 41 43 66 Active ST 3808 8 Channels TC 41 47 67 Active Analog Output Module ST 4112 2 Channels Current 0 20mA 12bit 81 41 2C Active ST 4114 4 Channels Current 0 20mA 12bit 81 43 6D Active ST 4212 2 Channels Current 4 20mA 12bit 81 41 2D Active ST 4214 4 Channels Current 4 20mA 12bit 81 43 6E Active ST 4274 4 Channels Current 4 20mA 12bit Sensor Connector 81 43 B3 Active ST 4422 2 Channels Voltage 0 10Vdc 12bit 81 41 2E Active ST 4424 4 Channels Voltage 0 10Vdc 12bit 81 43 6A Active ST 4474 4 Channels Voltage 0 10Vdc 12bit Sensor Connector 81 43 BO Active ST 4491 1 Channel Voltage 0 10Vdc 12bit Manual C1 40 41 BF Active ST 4522 2 Channels Voltage 10 10Vdc 12bit 81 41
34. its 1 2 5 15 All output registers area is addressable by bit address Size of output image bit is size of output image register 16 CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 22 FnIO MODBUS Adapter NA 9473 FnlO S Series 5 4 Example 5 4 1 Example of Input Process Image Input Register Map Input image data depends on slot position and expansion slot data type Input process image data is only ordered by expansion slot position when input image mode is uncompressed mode 0 2 But when input image mode is compressed mode 1 3 input process image data is ordered by expansion slot position and slot data type Input process image mode can be set by special register 0x1114 4372 Refer to 6 3 3 For example slot configuration Slot Address Module Description 0 MODBUS Adapter 1 4 discrete input 2 8 discrete input 3 2 analog input 4 16 discrete input 5 4 discrete input 6 8 discrete input Status 1word Addr 15 14 13 12 11 10 9 8 7 6 5 4 3 42 11 0 0x0000 0 EC 0 0 0 0 0 0 0 FnBus Status 0x0001 Discrete In 8pts Slot 2 Empty Always 0 Discrete In 4pts Slot 1 0x0002 Analog Input high byte Slot 3 Analog Input low byte Slot 3 0x0003 Analog Input Chl high byte Slot 3 Analog Input Chl low byte Slot 3 0x0004 Discrete In h
35. ls Common ID Type 02 00 5 Active ST 7511 1 Channel Expansion Power Input 24Vdc Output 1 0A 5Vdc ID Type 02 00 EO Active ST 7518 8 Channels Common 24Vdc ID Type 02 00 Active ST 7588 8 Channels Common and 24Vdc ID Type 02 00 E7 Active ST 7641 1 Channel Field Distributor 5Vdc 48 Vdc 02 00 E2 Active 110Vac 220Vac ID Type A 2 Glossary System Power The power for starting up CPU Field Power The power for input and output line Terminator Resistor Resistor for prevention reflected wave EDS Electronic Data Sheet sinking The method of input and output what device does not have power source sourcing The method of input and output what device have power source Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS
36. ndard cables for wiring Use Product under pollution degree 2 environment Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 7 FnIO MODBUS Adapter NA 9473 FnlO S Series 1 1 Safety Instruction 1 1 1 Symbols DANGER Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss Identifies information that is critical for successful application and understanding of the IMPORTAN product ATTENTION 1 Identifies information about practices or circumstances that can lead to personal injury property damage or economic loss Attentions help you to identity a hazard avoid a hazard and recognize the consequences 1 1 2 Safety Notes DANGER A 1 1 3 Certification c UL us UL Listed Industrial Control Equipment certified for U S and Canada See UL File E235505 The modules are equipped with electronic components that may be destroyed by electrostatic discharge When handling the modules ensure that the environment persons workplace and packing is well grounded Avoid touching conductive components e g FnBUS Pin CE Certificate Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 8 FnIO MODBUS Adapter NA 9473 FnlO S Series 2 Specification 2 1 The Interface 2 1 1 NA 9473 MODBUS 5 485 wos
37. ne word output Unicast Broadcast 8 0x08 Diagnostics Serial Line only Read diagnostic register Unicast 15 OxOF Write Multiple Coils Write a number of output bits Unicast Broadcast 16 0x10 Write Multiple registers Write a number of output words Unicast Broadcast 23 0x17 Read Write Multiple register 0 of words Unicast Write a number of output words Refer to MODBUS APPLICATION PROTOCOL SPECIFICATION 1 1 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 27 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 1 1 0x01 Read Coils This function code is used to read from 1 to 2000 contiguous status of coils in a remote device The Request PDU specifies the starting address i e the address of the first coil specified and the number of coils In the PDU Coils are addressed starting at zero Therefore coils numbered 1 16 are addressed as 0 15 The coils in the response message are packed as one coil per bit of the data field Status is indicated as 12 ON and 0 OFF Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x01 0x01 Starting Address Hi 0x10 0x10 Starting Address Lo 0x00 0x00 Quantity of Outputs Hi 0x00 0x00 Quantity of Outputs Lo Ox0A Ox0A Error Check CRC LRC OxB8 OxAB End of Frame t1 t2 t3 Response Field name Example RTU S
38. normal response Some of the diagnostics cause data to be returned from the remote device in the data field of a normal response Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x08 0x08 Sub Function Hi 0x00 0x00 Sub Function Lo 0x00 0x00 Data Hi Ox11 Ox11 Data Lo 0x22 0x22 Error Check CRC LRC 0 6 0x24 End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x08 0x08 Sub Function Hi 0x00 0x00 Sub Function Lo 0x00 0x00 Data Hi Ox11 Ox11 Data Lo 0x22 0x22 Error Check CRC LRC 0 6 0x24 End of Frame t1 t2 t3 v Sub function 0x0000 0 Return Query Data The data passed in the request data field is to be returned looped back in the response The entire response message should be identical to the request Sub function Data Field Request Data Field Response Description 0 0000 0 Echo Request Data Y Sub function 0x0001 1 Restart Communications Option The remote device could be initialized and restarted and all of its communications event counters are cleared Especially data field 0x55AA makes the remote device to restart with factory default setup of EEPROM Sub function Data Field Request Data Field Response Description 0x0001 1 0x0000 OxFFOO Echo Request Data Reset 0x0001 1 Ox55AA Echo Request Data Reset with Factory Default expansion slot configuration parameters are cleared Copyr
39. nsion Expansion Expansion Expansion Expansion Offset Slot 1 Slot 2 Sloti3 7 Slot 11 Slot 12 0x00 0 0x2000 8192 0x2020 8224 0 2040 8256 0 2140 8512 0 2160 8544 0 01 1 0x2001 8193 0 2021 8225 0x2041 8257 0 2141 8513 0 2161 8545 0 02 2 0x2002 8194 0x2022 8226 0x2042 8258 0x2142 8514 0x2162 8546 0 03 3 0x2003 8195 0 2023 8227 0 2043 8259 0 2143 8515 0 2163 8547 0x04 4 0x2004 8196 0 2024 8228 0 2044 8260 0x2144 8516 0 2164 8548 0x05 5 0x2005 8197 0x2025 8229 0x2045 8261 0 2145 8517 0 2165 8549 0x06 6 0 2006 8198 0 2026 8230 0 2046 8262 0 2146 8518 0 2166 8550 0 07 7 0x2007 8199 0x2027 8231 0 2047 8263 0x2147 8519 0x2167 8551 0x08 8 0x2008 8200 0x2028 8232 0 2048 8264 0 2148 8520 0x2168 8552 0x09 9 0 2009 8201 0x2029 8233 0x2049 8265 0 2149 8521 0 2169 8553 10 0x200A 8202 0 202 8234 0 204 8266 0 214 8522 0 216 8554 11 0x200B 8203 0x202B 8235 Ox204B 8267 0x214B 8523 0x216B 8555 0 0 12 0x200C 8204 0x202C 8236 0 204 8268 0x214C 8524 0x216C 8556 0 00 13 0x200D 8205 0x202D 8237 0 2040 8269 0x214D 8525 0x216D 8557 14 0 200 8206 0x202E 8238 Ox204E 8270 Ox2
40. ocess image data by FnBus protocol The following figure shows the data flow of process image between network adapter and expansion modules Network Adapter Read Data Expansion Modules Slot 1 Input Data Slot 2 Input Data Network READ Slot 12 Input Data BEL Eal O stot 1 Slot 2 Slot 12 gt Write Data Write Network WRITE Slot 1 Output Data Slot 2 Output Data 9012 Output Data 5 3 4 MODBUS Interface Register Bit Map Register Map Start Address Read Write Description Func Code 0x0000 Read Process input image registers Real Input Register 3 4 23 0x0800 Read Write Process output image registers Real Output Register 3 4 16 23 0x1000 Read Adapter Identification special registers 3 4 23 0x1020 Read Write Adapter Watchdog other time special register 3 4 6 16 23 0 1100 Read Write Adapter Information special registers 3 4 6 16 23 0x2000 Read Write Expansion Slot Information special registers 3 4 6 16 23 The special register map must be accessed by read write of every each address one address Bit Map Start Address Read Write Description Func Code 0x0000 Read Process input image bits 1 2 All input registers area is addressable by bit address Size of input image bit is size of input image register 16 0x0800 Read Write Process output image b
41. oints Source Negative 5 Vdc 41 01 Active ST 1214 4 Points Sink Positive 12V 24Vdc 41 00 03 Active ST 1218 8 Points Sink Positive 12V 24Vdc 41 00 07 Active ST 121F 16 Points Sink Positive 12V 24Vdc 41 01 13 Active ST 1224 4 Points Source Negative 12V 24Vdc 41 00 04 Active ST 1228 8 Points Source Negative 12V 24Vdc 41 00 08 Active ST 122F 16 Points Source Negative 12V 24Vdc 41 01 14 Active ST 1314 4 Points Sink Positive 48 Vdc 41 00 05 Active ST 131F 16 Points Sink Positive 48 Vdc 41 01 17 Active ST 1324 4 Points Source Negative 48Vdc 41 00 06 Active ST 132F 16 Points Source Negative 48Vdc 41 01 18 Active ST 1804 4 Points 110Vac 41 00 09 Active ST 1904 4 Points 220Vac 41 00 OA Active Digital Output Module ST 2114 4 Points TTL Inverting 5Vdc 20mA 81 00 OD Active ST 2124 4 Points TTL Non Inverting 5Vdc 20mA 81 00 OF Active ST 221F 16 Points Sink Negative Logic 24Vdc 0 5A 81 01 15 Active ST 222F 16 Points Source Positive Logic 24Vdc 0 5A 81 01 16 Active ST 2314 4 Points Sink Negative Logic 24Vdc 0 5A 81 00 OE Active ST 2318 8 Points Sink Negative Logic 24Vdc 0 5A 81 00 11 Active ST 2324 4 Points Source Positive Logic 24Vdc 0 5A 81 00 10 Active ST 2328 8 Points Source Positive Logic 24Vdc 0 5A 81 00 12 Active ST 2414 4 Points Sink Negative Logic 24Vdc 0 5A Diagnostics 81 00 08 Active ST 2424 4 Points Source Positive Logic 24Vdc 0 5A Diagnostics 00 00 38 Active ST 2514 4 P
42. oints Sink Negative Logic 24Vdc 2A Diagnostics C1 00 00 35 Active ST 2524 4 Points Source Positive Logic 24Vdc 2A Diagnostics C1 00 00 36 Active ST 2614 4 Points Sink Negative Logic 24Vdc 2A 81 00 3B Active ST 2624 4 Points Source Positive Logic 24Vdc 2A 81 00 3C Active ST 2742 2 Points 230Vac 2A 24Vdc 2A Relay 81 00 OB Active ST 2744 4 Points 230Vac 2A 24Vdc 2A Relay 81 00 51 Active ST 2748 8 Points 230Vac 2A 24Vdc 2A Relay 81 00 50 Active Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 48 FnIO MODBUS Adapter NA 9473 FnlO S Series ST 2792 2 Points 230Vac 2A 24Vdc 2A Relay Manual Auto Cl 00 01 BE Active ST 2852 2 Points 12 125Vac 0 5A Triac 81 00 Active ST 2924 4 Points 24Vac 2A 24 4 2 4 Points amp ACOM 81 00 CO NEW ST 2944 4 Points 24Vac 2A 24Vdc 2A 1 Points 1COM 81 00 CI NEW ST 2734 4 Points 24 220Vac dc 0 5A 1 Points 1COM 81 00 C2 NEW Analog Input Module ST 3114 4 Channels Current 0 20mA 12bit 41 43 Active ST 3118 8 Channels Current 0 20 12bit 41 47 82 Active ST 3134 4 Channels Current 0 20mA 14bit 41 43 1E Active ST 3214 4 Channels Current 4 20mA 12bit 41 43 Active ST 3218 8 Channels Current 4 20mA 12bit 41 47 83 Active ST 3234 4 Channels Current 4 20mA 14bit 4 43 IF Active ST 3274 4 Channels Current 4 20mA 12b
43. onse Description 0x0065 101 0 0000 Watchdog Error Count Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS FnIO MODBUS Adapter NA 9473 Y Sub function 0x0066 102 Change Slave IO Output Status FnlO S Series The sub function with data fields is to clear watchdog counter and change IO output status This may be used to simulate clear output and fault output Sub function Data Field Request Data Field Response Description 0x0066 102 0x0000 Echo Request Data Ready output Automatically turns Normal output 0x0066 102 0x0001 0x0002 0x0003 Echo Request Data Clear output 0x0066 102 0x0004 Echo Request Data Normal output 0x0066 102 0x0005 0x0006 0x0007 Echo Request Data Fault output 6 2 8 15 Write Multiple Coils This function code is used to force each coil in a sequence of coils to either ON or OFF in a remote device The Request PDU specifies the coil references to be forced Coils are addressed starting at zero A logical 1 in a bit position of the field requests the corresponding output to be ON A logical 0 requests it to be OFF The normal response returns the function code starting address and quantity of coils forced Copyright C Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code OxOF OxOF Starting Address Hi 0x10 0x10 Startin
44. ormat 1 word FnIO MODBUS Adapter NA 9473 FnlO S Series Item 15 14 13 12 11 10 9 48 7 6 5 4 3 2 1 0 Word Field Output IO code Input IO code Field Date Type Data Length Date Type Data Length Example ST 3214 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0x0084 ST 1224 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 00 4 ST 1228 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0041 ST 4123 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0x8200 ST 221F 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0x4200 ST 2324 1 1 0 0 0 1 0 0 1 1 0 0 0 1 0 0 0 4 4 Input output Data Type 0 0 No I O Data 0 1 Byte Data 1 0 Word Data 1 1 Bit Data Input output Data Length 000000 0 0 Bit Byte Word 000000 1 1 Bit Byte Word 00000 1 0 2 Bit Byte Word 00000 1 1 3 Bit Byte Word 111111 1 63 Bit Byte Word 6 4 MODBUS Reference Documents http www modbus org MODBUS Tools http www modbustools com MODBUS poll http www win tech com MODSCAN32 Copyright C MODBUS Reference CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 45 FnIO MODBUS Adapter NA 9473 FnlO S Series 7 Trouble Shooting 7 1 How to diagnose by LED indicator LED Status Cause Action No power Check main power Cable All LED turns off Contact Sales team and send module System power is
45. rt of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0 17 0 17 Read Starting Address Hi 0x08 0x08 Read Starting Address 0x00 0x00 Quantity of Read Hi 0x00 0x00 Quantity of Read Lo 0x02 0x02 Write Starting Address Hi 0x08 0x08 Write Starting Address 0x00 0x00 Quantity of Write Hi 0x00 0x00 Quantity of Write Lo 0x02 0x02 Byte Count 0x04 0x04 Write Reg Value 40 Hi 0 11 0 11 Write Reg Value 0 Lo 0x22 0x22 Write Reg Value 1 Hi 0x33 0x33 Write Reg Value 1 Lo 0x44 0x44 Error Check CRC LRC 0x88 Ox3F End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0 17 0 17 Byte Count 0x04 0x04 Write Reg Value 0 Hi 0 11 0 11 Write Reg Value 0 Lo 0x22 0x22 Write Reg Value 1 Hi 0x33 0x33 Write Reg Value 1 Lo 0x44 0x44 Error Check CRC LRC 0 2 OxD2 End of Frame t1 t2 t3 Incase of address 0x0800 0x0801 output register value 0x0000 0x0000 changes to 0x1122 0x3344 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 38 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 11 Error Response In an exception response the server sets the MSB of the function code to 1 This makes the function code value in an exception response exactly 80 hexadecimal higher than the value would be for a normal response Exception Response Example
46. s 0 The normal response is an echo of the request returned after the register contents have been written Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x06 0x06 Starting Address Hi 0x08 0x08 Starting Address Lo 0x00 0x00 Quantity of Outputs Hi 0 11 0 11 Quantity of Outputs Lo 0x22 0x22 Error Check CRC LRC 0x07 0x85 End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x06 0x06 Output Address Hi 0x08 0x08 Output Address Lo 0x00 0x00 Output Value Hi 0 11 0 11 Output Value Lo 0x22 0x22 Error Check CRC LRC 0x07 0x85 End of Frame t1 t2 t3 Incase of address 0x0800 outputs register value 0 0000 changes to 0x1122 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 33 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 7 8 0x08 Diagnostics MODBUS function code 08 provides a series of tests for checking the communication system between a client Master device and a server Slave or for checking various internal error conditions within a server The function uses a two byte sub function code field in the query to define the type of test to be performed The server echoes both the function code and sub function code in a
47. s comprised of 6 data pin and 2 field power pin Field Power Pins Data Pins No Name Description 1 System supply voltage 5V dc 2 GND System Ground 3 Token Output Token output port of Processor module 4 Serial Output Transmitter output port of Processor module 5 Serial Input Receiver input port of Processor module 6 Reserved Reserved for bypass Token 7 Field GND Field Ground 8 Field Vcc Field supply voltage 24Vdc DANGER Do not touch data and field power pins in order to avoid soiling and damage by ESD noise Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 18 FnIO MODBUS Adapter NA 9473 FnlO S Series 5 3 MODBUS Electrical Interface 5 3 1 Terminator Resistor 0 DATA PEE uc A reflection in a transmission line is the result of an impedance discontinuity that a traveling wave 120ohm sees as it propagates down the line To minimize the reflections from the end of the RS485 cable 1 DATA it is required to place a Line Termination near each of the 2 Ends of the Bus NA 9473 needs a termination resistor 120ohm externally for more stable communication Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 19 FnIO MODBUS Adapter NA 9473 FnlO S Series 5 3 2 MODBUS DIP Switch Setup N MODBUS Adapter interface configuration can be set by a DIP 4pole x 2 switch This setup read once at power
48. tart of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x01 0x01 Byte Count 0x02 0x02 Output Status 0x55 0x55 Output Status 0x02 0x02 Error Check CRC LRC Ox8F Ox6D End of Frame t1 t2 t3 In case of address 0x1015 0x1000 output bit value 00000010 01010101 Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 28 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 2 2 2 0x02 Read Discrete Inputs This function code is used to read from 1 to 2000 contiguous status of discrete inputs in a remote device The Request PDU specifies the starting address i e the address of the first input specified and the number of inputs In the PDU Discrete Inputs are addressed starting at zero Therefore Discrete inputs numbered 1 16 are addressed as 0 15 The discrete inputs in the response message are packed as one input per bit of the data field Status is indicated as 12 ON 0 OFF Request Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x02 0x02 Starting Address Hi 0x00 0x00 Starting Address Lo 0x00 0x00 Quantity of Inputs Hi 0x00 0x00 Quantity of Inputs Lo Ox0A Error Check OxF8 End of Frame t1 t2 t3 Response Field name Example RTU Start of Frame t1 t2 t3 Slave Address 0x07 0x07 Function Code 0x02 0x02 Byte Count 0x02 0x02 Input Status 0x80 0x80
49. ter it is cleared by writing address 0 1020 Enable disable auto recovery Watchdog error when receiving new frame n ME 0 Disable 1 Enable default Its value is stored in EEPROM Transmission response delay time The value can be set 16bit 0x1024 4132 Read Write 1 word unsigned 1msec unit The default value is 0 no delay Valid byte byte time gap in ASCII mode 1msec unit 0x1025 4133 Read Write 1 word In ASCII mode byte byte time gap is over setting value during receiving frame this frame will be cancelled dropped 0x1028 4136 Read 2 words IO update time main loop time 100usec unit Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 41 FnIO MODBUS Adapter NA 9473 FnlO S Series 6 3 3 Adapter Information Special Register 0x1100 4352 Address Access Type Size Description Hi byte is DIP SW1 switch values low byte is current slave node address MODBUS slave node address Bea ite bond If DIP SW1 switches value are 0 the slave node address is assigned with last valid address and can be changed by software 1 15 0x1101 4353 Read 1 word Hi byte is a current DIP SW2 switch value low byte is used current setup value 0x1102 4354 Read 1 word Start address of input image word register 0x0000 0x1103 4355 Read 1 word Start address of output image word register 0x0800 0x1104 4356 Re
50. twork Serial Communication Configuration Tool Soft PLC Master Network ModBus Adapter Network Adapter Module Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr FnlO S Series Fn Bus Interface Expansion Module Service Messaging Protocol 5 GND Token Output Serial Output Serial Input Reserved Field GND OVdc wee Field 24 Expansion Module CREVIS 16 FnIO MODBUS Adapter NA 9473 FnlO S Series Network Adapter Module The Network Adapter Module forms the link between the field bus and the field devices with the Expansion Modules The connection to different field bus systems can be established by each of the corresponding Network Adapter Module e g for SyncNet PROFIBUS CANopen DeviceNet Ethernet IP CC Link MODBUS Serial MODBUS TCP Expansion Module The Expansion Modules are supported a variety of input and output field devices There are digital and analog input output modules and special function modules Two types of FnBus Message Service Messaging Messaging Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 17 FnIO MODBUS Adapter NA 9473 FnlO S Series 5 2 FnBus Pin Description Communication between the NA series and the expansion module as well as system field power supply of the bus modules is carried out via the internal bus It i
51. up sequence i e changes to DIP switch during operation does not affect MODBUS interface configuration Item Item setup 1 2 3 4 1 2 3 4 Node 0 OFF OFF OFF OFF Address 1 ON OFF OFF OFF 2 OFF ON OFF OFF 3 ON ON OFF OFF 4 OFF OFF ON OFF 5 ON OFF ON OFF 6 OFF ON ON OFF 7 ON ON ON OFF 8 OFF OFF OFF ON 9 ON OFF OFF ON 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS 20 FnIO MODBUS Adapter NA 9473 FnlO S Series Item Item setup EN DINE 1 2 3 4 1 2 3 4 Baud rate 1200 bps OFF OFF OFF 2400 bps ON OFF OFF 4800 bps OFF ON OFF 9600 bps ON ON OFF 19200 bps OFF OFF ON 38400 bps ON OFF ON 57600 bps OFF ON ON 115200 bps ON ON ON RTU ASCII RTU Mode OFF Mode ASCII Mode ON ATTENTION MAC ID addresses have to be unique throughout the entire interconnected networks Copyright C CREVIS Co Ltd Support 82 31 899 4599 URL www crevis co kr CREVIS Copyright C FnIO MODBUS Adapter NA 9473 5 3 3 I O Process Image Map FnlO S Series An expansion module may have 3 types of data as I O data configuration parameter and memory register The data exchange between network adapter and expansion modules is done via an I O pr
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