FA-M3 Sequence CPU-Modbus/TCP Functions
Contents
1. H User s FA M3 Manual Vv I Sp E S S E TM Sequence CPU Modbus TCP Functions IM 34M06P15 03E Applicable Modules vigilantplant Model Code Model Name F3SP71 4S Sequence CPU Module with network functions F3SP76 7S Sequence CPU Module with network functions IM 34M06P15 03E YOKOGAWA A ee Yokogawa Electric Corporation 2nd Edition Blank Page Applicable Product Range free Multi controller FA M3 Model code Name F3SP71 4S Sequence CPU Module with network functions F3SP76 7S Sequence CPU Module with network functions The document number and document model code for this manual are given below Refer to the document number in all communications including when purchasing additional copies of this manual Document No IM 34M06P15 03E Document Model Code DOCIM Media No IM 34M06P15 03E CD 2nd Edition Jan 31 2012 YHQ IM 34M06P15 03E 2nd Edition Jan 31 2012 00 All Rights Reserved Copyright O 2011 Yokogawa Electric Corporation Important E About This Manual This Manual should be passed on to the end user Before using the controller read this manual thoroughly to have a clear understanding of the controller This manual explains the functions of this product but there is no guarantee that they will suit the particular purpose of the user Under absolutely no circumstances may the contents of this manual be transcribed or copied in part or in whole without permission2. 0000 to FFFF 0000 to FFFF Response Format Slave gt Master At Normal Completion Function Code Holding Register Nos Write Points Same Value as Request Same Value as Request The slave returns the request received from the master with no change At Faulty Completion F030106 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 7 Write Multiple Coils 0F Writes the value either 1 or 0 to multiple coils The amount of devices that can be accessed with a single request is 1 968 points Request Format Master gt Slave Function _Code _ Starting Coil Nos Write Points Write SOF 0000 to FFFF 0001 to 07B0 Length n 1 byte 2 byte 2 byte Bit Device Storage Order bit bp bitS bid bit3 bit2 bitt bito Device Data 1 Device Data n Stored in coil from lower gt higher level bit order Response Format Slave gt Master At Normal Completion Function Code _ Starting Coil Nos Write Points SO Same Value as Request Same Value as Request 4 byte At Faulty Completion Function Code _ 8F Error Code 4 byte F030107 VSD A CAUTION Writing is performed by dividing into multiple scans if the write points are 16 m multiples of 16 IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 8 3 8 Write Multiple Registers 10 Writes the values to multiple holding registers The amount of devices that can be ac
3. Code Protocol ID Transaction ID Length Unit ID F020301 VSD Figure 2 3 1 Modbus TCP Data Frames e MBAP Header The Modbus Application Protocol MBAP header consists of seven bytes Table 2 3 1 MBAP Header Description Transaction ID Freely selected value is specified to identify transactions of the master device The slave returns the received value Protocol ID 0 is specified if using the Modbus TCP application protocol Length Byte count from after the unit ID Unit ID Used by the master when specifying the slave connected to another line via a gateway or similar method S Specifies the CPU number to 4 executing commands The slave returns the received value a The CPUs that can be specified are the sequence CPU F3SP22 28 38 53 58 59 66 67 71 76 It cannot be executed for other CPUs Tip 1 is specified for the unit ID if the access target is the CPU inserted into slot 1 2 is specified for the unit ID if the access target is the CPU inserted into slot 2 with the CPU connected using Modbus TCP is inserted in slot 1 e PDU The Protocol Data Unit PDU is configured as follows Table 2 3 2 PDU name eege H Function code 1 byte Processing contents for the slave from the master Data 1 to 252 bytes Parameters for the function code IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 3 2 4 Function Codes This section describes the Modbus
4. EE E all li Eis Ob A Ethernet F010101 VSD Figure 1 1 1 Example Configuration of Modbus TCP Slave Function IM 34M06P15 03E 2nd Edition Jan 31 2012 00 1 2 1 2 System Configuration of Modbus TCP Slave Function This section describes the system configuration of the Modbus TCP slave function Configuration via Ethernet In this system configuration connection is via the 10BASE T 100BASE TX connector located on the front panel of the module A monitor or PC is connected using Modbus TCP application protocol Modbus Command SCADA FA M3 10BASE T 100BASE TX N NL Connector a A F010102 VSD Figure 1 2 1 Example Configuration of Modbus TCP Slave Function via Ethernet Table 1 2 1 Supported Modbus Slave Functions Function Description Support Serial communication Modbus communication via Serial communication Ethernet communication Modbus communication via Ethernet Write protect function Function that prohibits device writing using Modbus commands IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 1 2 1 Modbus TCP Slave Function This chapter describes the Modbus TCP slave function via Ethernet Specifications This section describes the functional and communication specifications of the Modbus TCP slave function E Functional Specifications The following table shows th
5. FFFF n 4 byte 2 byte 2 byte Write Starting Holding Write Points Device Data Register Nos 0001 to 0079 1 0000 to FFFF m 2 byte Response Format Slave gt Master At Normal Completion Function Code _ At Faulty Completion Function _Code _ 97 Error Code 1 byte 1 byte F030114 VSD CAUTION Writing and reading processes are performed using separate scans IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 15 3 13 Read FIFO Queue 18 Reads the value s of a single or multiple holding registers The amount of devices that can be accessed with a single request is 1 to 31 points Request Format Master gt Slave Function Code _ FIFO Pointer Nos 18 0000 to FFFF 1 byte Response Format Slave gt Master At Normal Completion Function Code _ Length FIFO Count 18 0002 to 0040 0000 to 001F 1 byte 2 byte 2 byte At Faulty Completion Function Data Error Code Lafe Device Data 1 2 byte F030115 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 Blank Page Revision Information Document Name Sequence CPU Modbus TCP Functions Document No IM 34M06P15 03E Edition Date Revised Item 1st June 2011 New publication 2nd Jan 2012 Errata Written by PLC Group International Sales Promotion Dept IA Systems Business Headquarters Yokogawa Electric Corporation Published b
6. The contents of this manual are subject to change without prior notice Every effort has been made to ensure accuracy in the preparation of this manual However should any errors or omissions come to the attention of the user please contact the nearest Yokogawa Electric representative or sales office m Safety Precautions when Using Maintaining the Product The following safety symbols are used on the product as well as in this manual Danger This symbol on the product indicates that the operator must follow the instructions laid out in this user s manual to avoid the risk of personnel injuries fatalities or damage to the instrument Where indicated by this symbol the manual describes what special care the operator must exercise to prevent electrical shock or other dangers that may result in injury or the loss of life D Protective Ground Terminal Before using the instrument be sure to ground this terminal Function Ground Terminal Before using the instrument be sure to ground this terminal oN Alternating current Indicates alternating current Direct current Indicates direct current IM 34M06P15 03E 2nd Edition Jan 31 2012 00 The following symbols are used only in the user s manual WARNING Indicates a Warning Draws attention to information essential to prevent hardware damage software damage or system failure AN CAUTION TIP Indicates a Caution Draws attention to inform
7. 2012 00 E General Requirements for Using the FA M3 Controller Avoid installing the FA M3 controller in the following locations Where the instrument will be exposed to direct sunlight or where the operating temperature exceeds the range 0 C to 55 C 32 F to 1319F Where the relative humidity is outside the range 10 to 90 or where sudden temperature changes may occur and cause condensation Where corrosive or flammable gases are present Where the instrument will be exposed to direct mechanical vibration or shock Where the instrument may be exposed to extreme levels of radioactivity Use the correct types of wire for external wiring Use copper wire with temperature ratings greater than 75 C Securely tighten screws Securely tighten module mounting screws and terminal screws to avoid problems such as faulty operation Tighten terminal block screws with the correct tightening torque as given in this manual amp Securely lock connecting cables Securely lock the connectors of cables and check them thoroughly before turning on the power Interlock with emergency stop circuitry using external relays Equipment incorporating the FA M3 controller must be furnished with emergency stop circuitry that uses external relays This circuitry should be set up to interlock correctly with controller status stop run Ground for low impedance For safety reasons connect the FG grounding te
8. Fab gt SEE ALSO For details on how to connect to the monitor see the documentation of the monitor E Connecting to a PC amp Connecting to a Program Created on a PC To connect to a program on a PC perform the following steps 1 Create a communication program on a PC using Visual Basic etc 2 Match the communication setup of the communication program and the module 3 Connect the communication program and the module Begin monitoring amp Connecting to a SCADA Application To connect to a SCADA application on a PC perform the following steps 1 Create screen data on a PC 2 Match the communication setup of SCADA and the module 3 Connect SCADA and the module Begin monitoring SEE ALSO For details on the application Visual BASIC or SCADA on the PC end see the documentation for the application IM 34M06P15 03E 2nd Edition Jan 31 2012 00 Blank Page 3 1 3 Command Response Details 3 1 Read Coils 01 Reads the status on off of a single or multiple coils The amount of devices that can be accessed with a single request is 1 to 2 000 points Request Format Master gt Slave Function Code Starting Coil Nos Read Points 0001 to 07D0 0000 to FFFF Response Format Slave gt Master At Normal Completion Function Code Read Length Device Data Device Data n 1 n 01 to FA 1 byte 1 byte 1 byte Bit Device Storage Order bit7 bit6 bits bit4 bit3 bit2 bitt
9. bitd Device Data 1 Device Data n Stored from lower gt higher level bit order Remainder bits are made 0 At Faulty Completion F030101 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 2 3 2 Read Discrete Inputs 02 Reads the status on off of a single or multiple inputs The amount of devices that can be accessed with a single request is 1 to 2 000 points Request Format Master gt Slave Function Code Starting Input Nos Read Points 0001 to 07D0 0000 to FFFF Response Format Slave gt Master At Normal Completion Function Code Read Length Device Data or Device Data 1 n n 01 to FA 1 byte 1 byte Bit Device Storage Order bit bit6 bits bit4 bit3 bit2 bitt bim Device Data Device Data n Stored from lower gt higher level bit order Remainder bits are made 0 At Faulty Completion F030102 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 3 3 3 Read Holding Registers 03 Reads the value s of a single or multiple holding registers The amount of devices that can be accessed with a single request is 1 to 125 points Request Format Master gt Slave Function Code Starting Holding Register Nos Read Points 0001 to 007D 0000 to FFFF Response Format Slave gt Master At Normal Completion Function Code Read Length Device Data nx2 1 02 to FA 1 byte 2 byte F030103 VSD
10. lnput Register Special registers Z are associated with input registers Input Registers 00001 to 65536 00001 Special Registers Z Z00001 to Z01024 01024 01025 65536 F020603 VSD 2 9 Figure 2 6 3 Associations of Input Registers with Special Registers Z Z00001 is associated with 00001 of the input registers The input register device number associated with a special register is calculated using the following formula Input register device number Special register number Tip 0000 is used in the PDU for specifying the input register number 00001 corresponding to Z00001 IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 10 amp Holding Register Holding registers are associated with data registers D Holding Registers 00001 to 65536 00001 Data Registers D D00001 to D65535 65535 65536 F020604 VSD Figure 2 6 4 Associations of Holding Registers and Data Registers D D00001 is associated with 00001 of the holding registers The holding register device number associated with a data register is calculated using the following formula Holding register device number Data register number The maximum amount of access points depends on the allocation points of the data registers Tip 0000 is used in the PDU for specifying the starting holding register number 00001 corresponding to D00001 IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 11 File Record File rec
11. 2 7 1 Bit Device Device Input Relay List of Supported Devices Function Name Read Discrete Input Output Relay Internal Relay Read Coils Write Single Coil Write Multiple Coils Shared Relay Special Relay Read Discrete Input Timer Relay Counter Relay Link Relay Word Device Data Register Read Holding Register Write Single Register Write Multiple Registers Read Write Multiple Registers Mask Write Register Read FIFO queue File Register Read File Record Write File Record Cache Register Read File Record Write File Record Shared Register Index Register Special register Read Input Register Link Register Timer Set Value Timer Current Value Timer Current Value Count up type Counter Set Value Counter Current Value Counter Current Value Count up type Access is not available IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 13 2 8 Modbus TCP Slave Function Settings This section describes the settings for using the Modbus TCP slave function mRequired Settings Settings required for using the Modbus TCP slave function via Ethernet are as shown below Table 2 8 1 Required Settings Modbus TCP Slave Function via Ethernet Setting Name Setting Type Reference for Details Ethernet Settings CPU Properties CPU Properties A9 5 2 Eth
12. 2nd Edition CONTENTS Applicable Product scicsiscicsesccesscestsnsesesnceiecessndevessiecncestendenesanesevessoeceesecens i EE ii dg e TT a E viii Copyrights and Trademarks ccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeeeeeeeeees ix NN e nene e e e e eeeteeererer rr er eeree er 1 1 1 1 Overview of Modbus TCP Slave Function avernnnnnnnnnnnnnnnnvnnnnnnnnnnvnnnnn 1 1 1 2 System Configuration of Modbus TCP Slave Function sc0cee 1 2 2 Modbus TCP Slave Functon EN 2 1 2 1 SPECI CAL ONS nna anaa Paaa a rE Raa a ra Ea aaa ASEA aaa aE 2 1 MFunctional Specifications cccccccceeeeeceeceeeeeeeeeeeecaeeeeeeeeeeeeesesaeees 2 1 MCommunication Functions cceccccecceceeeeeeeeeeeceeeeeeeeeeeeesesueaeeeeeees 2 1 2 2 Communication Protocol rnrnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 2 1 2 3 Data Frames needed Ean R aa 2 2 2 4 Function Codes oi ccecctencesicates cece nanncasseceececenedasteeantuacyeendencendantec ai 2 3 MSupport Function Codes cccccceceececceeeeeeeeeeseeceeaeeeeeeesessenuaeeeeeees 2 3 Gleis UI Le 2 4 2 5 Response Error Code vsisi rnin nieis cunsdentecevendentsecenneces 2 5 2 6 Modbus Device Allocation Specifications rrrnnnnnnnnnnnvnnnnnnnnnnnnnnnnenr 2 6 mModbus Device Listigi nai a 2 6 MModbus Device Associations rnrrrrrnrrnnnrnrrnnrnrrnnrnnrrrnnrnrnnnnnnnnnennennn 2 7 2 7 Specifying Devices in CommandS rwrnnannvn
13. IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 4 3 4 Read Input Registers 04 Reads the value s of a single or multiple input registers The amount of devices that can be accessed with a single request is 1 to 125 points Request Format Master gt Slave Function Code Read Points 0001 to 007D Starting Input Register Nos 0000 to FFFF Response Format Slave gt Master At Normal Completion Function Code Read Length Device Data nx2 1 02 to FA 1 byte 2 byte F030104 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 5 3 5 Write Single Coil 05 Writes the value either 1 or 0 to a single coil The amount of devices that can be accessed with a single request is one point Request Format Master gt Slave Function Code Coil Nos Specified Value 0000 to FFFF 1 F FOO 0 0000 Response Format Slave gt Master At Normal Completion Function Code Coil Nos Specified Value Same Value as Request Same Value as Request The slave returns the request received from the master with no change At Faulty Completion F030105 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 6 3 6 Write Single Register 06 Writes the value to a single holding register The amount of devices that can be accessed with a single request is one point Request Format Master gt Slave Function Code Holding Register Nos Write Points
14. ard equipment aviation facilities or medical equipment If so used it is the user s responsibility to include in the system additional equipment and devices that ensure personnel safety Do not attempt to modify the product m Exemption from Responsibility Yokogawa Electric Corporation hereinafter simply referred to as Yokogawa Electric makes no warranties regarding the product except those stated in the WARRANTY that is provided separately Yokogawa Electric assumes no liability to any party for any loss or damage direct or indirect caused by the use or any unpredictable defect of the product IM 34M06P15 03E 2nd Edition Jan 31 2012 00 E Software Supplied by the Company Yokogawa Electric makes no other warranties expressed or implied except as provided in its warranty clause for software supplied by the company Use the software with one computer only You must purchase another copy of the software for use with each additional computer Copying the software for any purposes other than backup is strictly prohibited Store the original media that contain the software in a safe place Reverse engineering such as decompiling of the software is strictly prohibited Under absolutely no circumstances may the software supplied by Yokogawa Electric be transferred exchanged or sublet or leased in part or as a whole for use by any third party without prior permission by Yokogawa Electric IM 34M06P15 03E 2nd Edition Jan 31
15. ation essential to the understanding of operation and functions Indicates a TIP Gives information that complements the present topic SEE ALSO Indicates a SEE ALSO reference Identifies a source to which to refer For the protection and safe use of the product and the system controlled by it be sure to follow the instructions and precautions on safety stated in this manual whenever handling the product Take special note that if you handle the product in a manner other than prescribed in these instructions the protection feature of the product may be damaged or impaired In such cases Yokogawa cannot guarantee the quality performance function and safety of the product When installing protection and or safety circuits such as lightning protection devices and equipment for the product and control system as well as designing or installing separate protection and or safety circuits for fool proof design and fail safe design of processes and lines using the product and the system controlled by it the user should implement it using devices and equipment additional to this product If component parts or consumable are to be replaced be sure to use parts specified by the company This product is not designed or manufactured to be used in critical applications which directly affect or threaten human lives and safety such as nuclear power equipment devices using radioactivity railway facilities aviation equipment shipbo
16. cessed with a single request is 1 to 123 points Request Format Master gt Slave Function Code Starting Holding Register Nos Write Points 0000 to FFFF 0001 to 007B Write Length Device Data nx2 1 02 to F6 2 byte Response Format Slave gt Master At Normal Completion Function Code Starting Holding Register Nos Write Points Same Value as Request Same Value as Request F030108 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 9 3 9 Read File Record 14 Reads the values of multiple file records The amount of devices that can be accessed with a single request is 1 to 124 points Request Format Master gt Slave Function _Code _ Length SP 7xm 4 byte 1 byte Sub request 1 Reference File Nos Read Starting Record Read Record Count No 0000 to FFFF N 0000 5 007C n Os _ 06 _ 0000 to 270F 1 byte 2 byte 2 byte ee Sub request m Reference File Nos Read Starting Record Read Record Count 0000 to F FFF Nos 0000 to 007C 0000 to 270F 2 byte 2 byte F030109 VSD a Specify the sub request count m so that the request PDU protocol data units size does not exceed 253 bytes m lt 35 b Specify the total read points N n1 nm of each sub request so that the response PDU protocol data units size does not exceed 253 bytes IM 34M06P15 03E 2nd Edition Jan 31 2012 00 Response Format Slave gt Master At Norma
17. e and terminal unit refer to the respective product manuals Hardware Manual IM 34M06C11 01E IM 34M06P15 03E 2nd Edition Jan 31 2012 00 Copyrights and Trademarks m Copyrights Copyrights of the programs and online manual included in this CD ROM belong to Yokogawa Electric Corporation This online manual may be printed but PDF security settings have been made to prevent alteration of its contents This online manual may only be printed and used for the sole purpose of operating this product When using a printed copy of the online manual pay attention to possible inconsistencies with the latest version of the online manual Ensure that the edition agrees with the latest CD ROM version Copying passing selling or distribution including transferring over computer networks of the contents of the online manual in part or in whole to any third party is strictly prohibited Registering or recording onto videotapes and other media is also prohibited without expressed permission of Yokogawa Electric Corporation E Trademarks Ethernet is a registered trademark of XEROX Corporation Modbus is a registered trademark of Schneider Electric The trade and company names that are referred to in this document are either trademarks or registered trademarks of their respective companies IM 34M06P15 03E 2nd Edition Jan 31 2012 00 Blank Page FA M3 TOC 1 Sequence CPU Modbus TCP Functions IM 34M06P15 03E
18. e functional specifications of the Modbus TCP slave function Table 2 1 1 Supported Modbus Slave Functions Function Description Serial communication Modbus communication via Serial communication Ethernet communication Modbus communication via Ethernet Write protect function Function that prohibits device writing using Modbus commands E Communication Functions 2 2 The following table shows the communication specifications of the Modbus TCP slave function Table 2 1 2 Specifications of Higher level Link Service Provided by Modbus TCP Slave Function Ethernet Communications TCP IP protocol Maximum number of 8 connections Total amount of TCP IP connections of higher level link services Port number 502 01F6 Command data format Binary Communication Protocol In Modbus TCP frame the module returns one response to each request received from a higher level computer monitor or PC Modbus TCP Application Protocol Sending de Functi on Code station Header Receiving MBAP station Header Function Code MBAP Header Modbus Application Header F020201 VSD Figure 2 2 1 Communication Protocol IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 2 2 3 Data Frames The specifications of the Modbus TCP data frames are as shown below Ethernet Header Application Data Modbus TCP ADU MBAP Header Function
19. e models of this product contain batteries that cannot be removed by the user Make sure to dispose of the batteries along with the product Do not dispose in domestic household waste When disposing products in the EU contact your local Yokogawa Europe B V office Battery type Lithium battery Note The symbol above means that the battery must be collected separately as specified in Annex II of the EU new directive on batteries IM 34M06P15 03E 2nd Edition Jan 31 2012 00 Introduction E Overview of the Manual This manual explains the commands and responses for communication control with higher order computers via Modbus TCP and with the sequence CPU module used with the FA M3 F3SP71 4S F3SP76 7S E Related User s Manuals Depending on the type of the CPU module you should refer to different user s manuals F3SP71 F3SP76 O About functions Sequence CPU Instruction Manual Functions for F3SP71 4N 4S F3SP76 7N 7S IM 34M06P15 01E Sequence CPU Network Functions for F3SP71 4N 4S F3SP76 7N 7S IM 34M06P15 02E To create ladder programs FA M3 Programming Tool WideField3 IM 34M06Q16 OHE Refer to the following manuals if required e For FA M3 specifications and configuration installation and wiring test run maintenance and inspection or system wide restrictions on module installation 1 For specification of products other than the power supply module base module input output module cabl
20. er to items of Sequence CPU Instruction Manual Functions for F3SP71 4N 4S F3SP76 7N 7S IM 34M06P15 01E amp Network Filter Settings This setting restricts the IP addresses allowed to access this module The initial value permits all IP addresses to access this module This setting is referenced from all functions that correspond to higher level link service functions via Ethernet such as remote programming service and FTP server CPU Operation Restriction Use this setting if you want to protect higher level link services CPU operation restriction can be used to protect operating mode switching log acquisition and other CPU operations that do not use WideField3 depending on the combination of various access routes and CPU operation permission groups SEE ALSO For the CPU operation restriction function operation protection refer to A6 22 8 CPU Operation Restriction of Sequence CPU Instruction Manual Functions for F3SP71 4N 4S F3SP76 7N 7S IM 34M06P 15 01E IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 15 2 9 Using Modbus TCP Slave Function via Ethernet This section describes how to use the Modbus TCP slave function via Ethernet E Connecting to a Monitor To connect to a monitor perform the following steps Create screen data on a PC Transfer screen data to a monitor Match the communication setup of the monitor and the module Connect the monitor and the module Begin monitoring
21. ernet Setup A9 5 4 Higher level Link Service Setup Higher Level Link Service Settings Mi Refer to items of Sequence CPU Instruction Manual Functions for F3SP71 4N 4S F3SP76 7N 7S IM 34M06P15 01E Ethernet Settings Settings are specified in order to connect to an Ethernet network At a minimum IP address and subnet mask settings are required If 0 0 0 0 is specified for the subnet mask a default mask corresponding to the IP address class is used Higher Level Link Service Settings Specify 2 for the port A or B protocol setting in order to use the Modbus TCP slave function At this time that port executes the Modbus TCP slave function at port number 502 and the value of the command data format is ignored Additionally enable the write protect function writing not permitted if you want to prohibit device writing using the Modbus TCP slave function Table 2 8 2 Higher Level Link Service Settings Setting Higher Level Link Service Port A Protocol Description For selecting the protocol used by port A of the higher level link service of the Ethernet route Port number of port A is 12289 3001 if TCP IP or UDPIIP is selected and port number is 502 1F6 if Modbus TCP slave is selected Setting Range 0 TCP IP 1 UDP IP 2 Modbus TCP Slave Initial Value 0 TCP IP Higher Level Link Service Port A Command Data Format For selecting the command data format used by port A of the
22. function codes E Support Function Codes The functions codes supported by this module are as shown below Table 2 4 1 Function Code 01 01 Function Code List Read Coils Description Consecutively reads the status of a max of 2 000 coils Supported 02 02 Read Discrete Inputs Consecutively reads the status of a max of 2 000 inputs 03 03 Read Holding Registers Consecutively reads the status of a max of 125 holding registers 04 04 Read Input Registers Consecutively reads the status of a max of 125 input registers 05 05 Write Single Coil Writes a single coil 06 06 Write Single Register Writes a single register Write Multiple Coils Consecutively writes the status of a max of 1 968 coils Write Multiple Registers Consecutively writes the status of a max of 123 registers Read File Record Reads a max of 124 file records Write File Record Writes a max of 122 file records Mask Write Register Mask a single register with AND or OR Read Write Multiple Registers Reads and writes multiple registers Read FIFO Queue Reads FIFO tables IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 4 m PDU Configuration This subsection describes the configuration of function codes and data Specifying Device Numbers in PDU Device number 1 is specified in the PDU for setting a device
23. he coils The coil device number associated with an internal relay is calculated using the following formula Coil device number Internal relay number The maximum amount of access points depends on the allocation points of the internal relays Tip 0000 is used in the PDU for specifying the starting coil number 00001 corresponding to 10001 IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 8 amp Discrete Inputs Discrete inputs are associated with input relays X and special relays M Discrete Inputs 00001 to 65536 00001 00064 00065 Input Relays X X00201 to X71664 08192 08193 10000 10001 Special Relays M M00001 to M09984 19984 19985 65536 F020602 VSD Figure 2 6 2 Associations of Discrete Inputs with Internal Relays X and Special Relays M X00201 is associated with input 00065 The input device number associated with an input relay is calculated using the following formula Input device number Unit number x 1024 Slot number 1 x 64 Terminal number M00001 is associated with input 10001 The input device number associated with a special relay is calculated using the following formula Input device number Special relay number 10000 Tip 0040 is used in the PDU for specifying the input number 00065 corresponding to X00201 2710 is used in the PDU for specifying the input number 10001 corresponding to M0001 IM 34M06P15 03E 2nd Edition Jan 31 2012 00
24. higher level link service of the Ethernet route Ignored if Modbus TCP slave 0 ASCII format 1 Binary format 0 ASCII format Higher Level Link Service Port B Protocol For selecting the protocol used by port B of the higher level link service of the Ethernet route Port number of port B is 12291 3003 if TCP IP or UDPIIP is selected and port number is 502 1F6 if Modbus TCP slave is selected 0 TCP IP 1 UDP IP 2 Modbus TCP Slave 0 TCP IP Higher Level Link Service Port B Command Data Format For selecting the command data format used by port B of the higher level link service of the Ethernet route Ignored if Modbus TCP slave 0 ASCII format 1 Binary format 1 Binary format Write Protect Setting to prohibit writing command to this module by the higher level link service of the Ethernet route 0 Writing permitted 1 Writing not permitted 0 Writing permitted IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 14 E Settings Specified as Necessary Settings specified as necessary for using the Modbus TCP slave function via Ethernet are as shown below Table 2 8 3 Settings Specified as Necessary Modbus TCP Slave Function via Ethernet Setting Type Reference for Details Network Filter Settings CPU Properties A9 5 8 Network Filter Setup CPU Operation Operation Protection A 6 22 8 CPU Operation Restriction Restriction Settings Wb Ref
25. iling to turn off the power supply when installing or removing modules may result in damage Do not touch components in the module In some modules you can remove the right side cover and install ROM packs or change switch settings While doing this do not touch any components on the printed circuit board otherwise components may be damaged and modules may fail to work Do not use unused terminals Do not connect wires to unused terminals on a terminal block or in a connector Doing so may adversely affect the functions of the module IM 34M06P15 03E 2nd Edition Jan 31 2012 00 vii m Waste Electrical and Electronic Equipment Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC This directive is only valid in the EU This product complies with the WEEE Directive 2002 96 EC marking requirement The following marking indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this product is classified as a Monitoring and Control instrumentation product Do not dispose in domestic household waste When disposing products in the EU contact your local Yokogawa Europe B V office E How to Discard Batteries The following description on DIRECTIVE 2006 66 EC hereinafter referred to as the EU new directive on batteries is valid only in the European Union Som
26. l Completion Function _Code _ 14 4 byte Read Data Size nix2 1 Read Data Size nm x 2 1 At Faulty Completion Function Code _ Data Error Code 1 byte 3 10 F030110 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 11 3 10 Write File Record 15 Writes the values to multiple file records The amount of devices that can be accessed with a single request is 1 to 122 points Request Format Master gt Slave Function Code _ 15 4 byte Reference File Nos No 0000 to FFFF Nos Data n1 06 0000 to 270F 1 byte 2 byte 2 byte 2 byte File Nos 0000 to FFFF F030111 VSD a Specify the total read points N n1 nm of each sub request so that the response PDU protocol data units size does not exceed 253 bytes IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 12 Response Format Slave gt Master At Normal Completion Function Code _ 15 4 byte Reference File Nos No 0000 to FFFF Nos 06 0000 to 270F 4 byte 2 byte 2 byte File Nos 0000 to FFFF nm 2 byte At Faulty Completion Function Code _ 95 Error Code 4 byte F030112 VSD IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 13 3 11 Mask Write Register 16 Masks the value stored in a single holding register using AND or OR and writes the value The amount of devices that can be accessed
27. nnnnnnnvnnnnnnnvnnnnnnnvennnnnnvenennn 2 12 MList of Supported Devices rrrnnnnanvnnrnrrnnnnnnnnnnnnnnnrnnnnnnnnnnrnnnnnnnnnen 2 12 2 8 Modbus TCP Slave Function Settings rrrunnnavnnnnnnnvnnnnnnnnvnnnnnnnvnnnnnnn 2 13 MRequired Gettnmgs unne 2 13 ESettings Specified as Necessanm 2 14 2 9 Using Modbus TCP Slave Function via Ethernet rrnnnavnnnnnnnvnnnnnnnn 2 15 MConnecting to a Monitor 2 15 mConnecting to a PG svavafkerneagndgenvmeavenvdantnedrnvnneenes 2 15 3 Command Response Details rrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnr 3 1 3 1 EET Coils EEE 3 1 3 2 Read Discrete Inputs 02 rsrnnnrnnnvnnnvnnnvnnnvrnnvnnnnvnnnvrnnnnnnnnnnnnnnnnnnnnne 3 2 3 3 Read Holding Registers 03 mrnnnnnvnnnvrnnnrnnnvrnnvrnnvennnnnnnnnnnnnnnnnnnnnnn 3 3 IM 34M06P 15 03E 2nd Edition Jan 31 2012 00 3 4 Read Input Registers 04 sccsceccesececeseeseeceeeeeeeseeseneeeesetsenseenaees 3 4 3 5 Write Single Coil 05 nnnnnnnvrnnnrnnnvnnnvrnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 3 5 3 6 Write Single Register 06 rrnnrnnnnrnnvrrnnrrnnnrnnvrrnnnrnnnnnnnnnnnnnnnnnnnnn 3 6 3 7 Write Multiple Coils SOF rnnrnnnrnnnrnnnvrnnvrrnnnnnnernnvnnnnnrnnnnnnnnnnnnnnnnnnnnn 3 7 3 8 Write Multiple Registers 10 mrnnnrnnornnnrrnnnnn ann nnnn vnr nnnnnnnnnnnnnnnnn 3 8 3 9 Read File Record 14 rnrrnrnnnvnnornvrnnnvnvvnnvnnnvnnennrnnnnnnennvnnnnnnen
28. number The above does not apply to file and record numbers specified at Read Write File Record command Example If the status of holding register no 32 is single word read at Read Holding Registers 03 Function Code Starting Holding Register No Read Points 001F 0001 31 001F is specified as the starting address of the holding register for reading holding register no 32 F020401 VSD Figure 2 4 1 Specifying Device Numbers Device numbers stored in responses are request command device numbers Tip 0000 is used in the PDU for specifying the starting coil number 00001 corresponding to 10001 How to Read the Format This subsection explains how to read the request response format block diagram Area Name gt Function Code Frame Contents 777777 i Starting Coil Nos Read Points e gt 0000 to FFFF 0001 to 07D0 Area Size gt F020402 VSD Figure 2 4 2 How to Read Format IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 5 2 5 Response Error Code This section describes the response error codes If Error Response is Returned This module returns a response as shown below if there is a mismatch in the PDU during a request or an error during processing PDU at Faulty Completion F020501 VSD Figure 2 5 1 PDU at Faulty Completion The request function code 80 value is inserted in the function code XX Response Error Code Table 2 5 1 Response Error C
29. ode Error Code Meaning Function Code Error There is no function code Address Error Out of range address was specified Amount Error Out of range amount was specified Processing Error Write protect is specified CPU Number Error Unit ID that is not from 1 to 4 was specified Timeout CPU specified by the unit ID does not exist IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 6 2 6 Modbus Device Allocation Specifications This section describes the associations between the Modbus device and the devices of this module E Modbus Device List Modbus devices are as defined below Table 2 6 1 Modbus Device List Modbus Device Unit Direction i Number oll 55 536 Devices are as described below 1 to 65536 Discrete input 1 bit Read 1 to 65536 Input register 16 bit Read 1 to 65536 Holding register 16 bit Read Write 1 to 65536 File record 16 bit Read Write 655 360 000 File 0 to 65535 Record 0 to 9999 IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 7 E Modbus Device Associations This subsection describes the associations between the Modbus device and the devices of this module Coil Coils are associated with internal relays 1 Coils 000001 to 65536 00001 Internal Relays l 100001 to 165535 65535 65536 F020601 VSD Figure 2 6 1 Associations of Coil Internal Relay 100001 is associated with 00001 of t
30. ords are associated with file registers B and cache registers F File Records File Nos 00000 to 65535 Record Nos 0000 to 9999 0000 File EE 9999 0000 File Registers B B000001 to B262144 9999 0000 9999 0000 i 9999 Cache Registers 0000 F F000001 to F524288 9999 0000 9999 i 0000 File Nos 65535 9999 F020605 VSD Figure 2 6 5 Associations of File Records B00001 is associated with record number 0000 of file number 0 The file and record numbers associated with file registers are calculated using the following formula File number File register number 10000 Record number File register number 10000 1 The maximum amount of access points depends on the allocation points of the file registers F00001 is connected with record code number 0000 of file number 100 The file and record numbers associated with cache registers are calculated using the following formula File number Cache register number 10000 100 File number Cache register number 10000 1 The maximum amount of access points depends on the allocation points of the file registers IM 34M06P15 03E 2nd Edition Jan 31 2012 00 2 12 2 7 Specifying Devices in Commands This section describes how to address a device of a sequence CPU module in a command E List of Supported Devices The table below lists the devices of a sequence CPU module that are accessible using commands Table
31. rminal to a Japanese Industrial Standards JIS Class D earlier called Class 3 Ground For compliance to CE Marking use braided or other wires that can ensure low impedance even at high frequencies for grounding 1 Japanese Industrial Standard JIS Class D Ground means grounding resistance of 100 Q max Configure and route cables with noise control considerations Perform installation and wiring that segregates system parts that may likely become noise sources and system parts that are susceptible to noise Segregation can be achieved by measures such as segregating by distance installing a filter or segregating the grounding system amp Configure for CE Marking Conformance For compliance to CE Marking perform installation and cable routing according to the description on compliance to CE Marking in the Hardware Manual IM 34M06C11 01E IM 34M06P15 03E 2nd Edition Jan 31 2012 00 vi Keep spare parts on hand Werecommend that you stock up on maintenance parts including spare modules Preventive maintenance replacement of the module or its battery is required for using the module beyond 10 years For enquiries on battery replacement service for purchase contact your nearest Yokogawa Electric representative or sales office The module has a built in lithium battery Lithium batteries may exhibit decreased voltage and in rare cases leakage problems after 10 years Discharge static electrici
32. sennnnnnnen 3 9 3 10 Write File Record 15 rrnnrrnnnnnnvnnnvnnnvnnnvnnnvnnnvnnnnnnnnnnnnnnnnennnnnnnennnnn 3 11 3 11 Mask Write Register 16 mrnnnnnnvnnnvnnnvrnn vn nvnnnvnnnvnnnnnnnnnnnnnnnnnne 3 13 3 12 Read Write Multiple Registers 17 3 14 3 13 Read FIFO Queue 18 rrnornnnrnnnrnnnvnnnvrnnvnnnnvnnnvnnnvrnnvrnnvrnnvenenensnnennner 3 15 Revision Information ss cdc detec detec tected i IM 34M06P 15 03E 2nd Edition Jan 31 2012 00 1 1 iP Overview This manual describes only the Modbus TCP server slave function hereinafter referred to as Modbus TCP slave function AN CAUTION F3SP70 0OS does not have the Modbus TCP client master function 1 1 Overview of Modbus TCP Slave Function The Modbus TCP slave function is for connecting FA M3 to a Modbus network It enables Modbus communication to receive process requests from a master device via Ethernet lines under Modbus commands As no programming is required on the module end this greatly simplifies creation of SCADA applications on the monitor or PC In this module the Modbus TCP slave function can be used via the 10BASE T 100BASE TX connector located on its front panel Modbus Command Modbus Command FA M3 Monitor Touch Panel FA M3 SCADA Era AE
33. ty before operating the system Because static charge can accumulate in dry conditions first touch grounded metal to discharge any static electricity before touching the system Never use solvents such as paint thinner for cleaning Gently clean the surfaces of the FA M3 controller with a cloth that has been soaked in water or a neutral detergent and wringed Do not use volatile solvents such as benzine or paint thinner or chemicals for cleaning as they may cause deformity discoloration or malfunctioning Avoid storing the FA M3 controller in places with high temperature or humidity Since the CPU module has a built in battery avoid storage in places with high temperature or humidity Since the service life of the battery is drastically reduced by exposure to high temperatures take special care storage temperature should be from 20 C to 75 C There is a built in lithium battery ina CPU module and temperature control module which serves as backup power supply for programs device information and configuration information The service life of this battery is more than 10 years in standby mode at room temperature Take note that the service life of the battery may be shortened when installed or stored at locations of extreme low or high temperatures Therefore we recommend that modules with built in batteries be stored at room temperature Always turn off the power before installing or removing modules Fa
34. with a single request is one point The value written into a holding register is as described below Written value Current value amp AND mask value OR mask value amp AND mask value If the OR mask value is 0000 only AND processing of the AND mask value is performed If the AND mask value is 0000 the OR mask value is the written value Response Format Slave gt Master Function Code Starting Register Nos AND Mask Value OR Mask Value 0000 to FFFF 0000 to FFFF 0000 to FFFF Response Format Master gt Slave At Normal Completion Function Code Starting Register Nos AND Mask Value OR Mask Value 0000 to FFFF 0000 to FFFF 0000 to FFFF F030113 VSD Tip This function reads the value stored in the holding register from the slave performs AND OR processing and then writes the value in the storage register Accordingly if the holding register value changes during AND OR processing the changed value is overwritten IM 34M06P15 03E 2nd Edition Jan 31 2012 00 3 14 3 12 Read Write Multiple Registers 17 Reads and writes multiple holding registers Processing consists of writing followed by reading The amount of devices that can be accessed with a single request is 1 to 125 points for reading and 1 to 121 points for writing Request Format Master gt Slave Function Code _ Read Starting Holding Read Points 17 Register Nos 0001 to 007D 0000 to
35. y Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN Printed by Kohoku Publishing amp Printing Inc IM 34M06P15 03E 2nd Edition Jan 31 2012 00 Blank Page
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