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Chapter 1 Introducing the MD911 Module

6F8C1399

2

1.1 Functions and Characteristics of the MD911 Module

The MODBUS module MD911 is a device to connect the controller main unit of the
Unified Controller nv series to MODBUS.

The Unified Controller nv Series can communicate with other devices on the
MODBUS system via the MD 911.

■

Characteristics of the MD911 module

The Unified Controller nv Series MD911 allows you to configure transmission
paths using RS232C and RS485.

The MD911 module has the following characteristics.

・

MODBUS protocol

The Modbus protocol is a communication protocol developed by Modicon Inc.
(AEG Schneider Automation International S.A.S.) for PLCs.

This module can be used to exchange data with external devices with the Modbus
interface. The MD911 supports the Modbus RTU protocol.

・

Operation mode

The MD911 supports the master mode and slave mode of the Modbus protocol.
The operation mode can be set with the engineering tool.

・

Supported functions

The MD911 supports the coil state read, input relay state read, retention register
content read, input register content read, single coil state change, single retention
register write, multiple coil state change, and multiple retention register write
functions. The functions can be set with the engineering tool.

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Summary of Contents for MD911

Page 1: ...6F8C1399 Instruction Manual MODBUS MD911 Module Unified Controller nv Series ...

Page 2: ...n herein may be changed in the future without notice 4 All possible measures have been taken to prepare the information herein If you have any question comment or find any error please contact us PROSEC TOSLINE TOSDIC CIEMAC are trademarks or registered trademarks of Toshiba Corporation Microsoft Windows are registered trademarks of Microsoft Corporation in the U S and other countries PROFIBUS is ...

Page 3: ...serious injury indicates loss of sight injury burns high low temperature electric shock broken bones or intoxication that will have aftereffects and require hospitalization or long term hospital visits for healing 2 An injury indicates an injury burn or electric shock that does not need hospitalization or long term hospital visits for healing 3 A property damage indicates consequential damage in t...

Page 4: ...place with low or high temperature outside of the installation condition A place with high humidity outside of the installation condition A place with direct sunlight A place near equipment generating strong radio waves or magnetic fields It may cause accidents Mandatory Install the device in a place where maintenance and inspection can be done easily It may cause accidents Prohibited Do not block...

Page 5: ...he device or board touch a grounded metal to discharge the static electricity of your body Otherwise it may cause malfunction or failure due to static electricity Mandatory Wipe off stain on the device module or board with a soft cloth For severe stain use a wet cloth wrung tightly Leaving them stained may cause wrong decision or malfunction Mandatory Place a board or module removed from the unit ...

Page 6: ...tact Toshiba s branch office or service offices Mandatory Before using check that the power capacity frequency voltage and regulation comply with the device specifications If not it may cause damage of the device or fire due to overheat as well as not obtaining the original performance of the device Mandatory When the ambient or internal temperature of the device rises abnormally or failure occurs...

Page 7: ...hibited Do not disassemble or modify the device or module It may cause malfunction or failure as well as loss of safety of the device Prohibited Do not forcefully bend pull or twist the power cord and cables It may cause breaks or heating Prohibited Do not insert any metal into the gaps of the device main body It may cause fire 5 Safety Precautions on Transportation Storage and Disposal CAUTION Ma...

Page 8: ...systems Note 3 Special considerations indicate sufficient discussions with Toshiba s engineers to construct a safe system e g employing fool proof design fail safe design or redundant design Disclaimer Toshiba shall not be responsible for any damage caused by fire or earthquake acts of a third party other accidents the user s willful acts or negligence misuse or use in abnormal conditions Toshiba ...

Page 9: ... of the nv series controller Unified Controller nv series Controller type1 Functional Manual 6F8C1221 Describes the functions and basic use of the nv series type 1 Unified Controller nv series type2 Functional Manual 6F8C1362 Describes the functions and basic use of the nv series type 2 Unified Controller nv series Integrated Controller V series Programming Instructions LD FBD SFC ST 6F8C1226 Desc...

Page 10: ...cs and names and functions of the parts Chapter 2 Installation and wiring Describes how to install it to the basic unit and how to connect cables Chapter 3 Setting Describes how to set the switches and parameters to use the module correctly Chapter 4 Operation Describes the operations such as checking before operation startup and shutdown Chapter 5 Troubleshooting Describes troubleshooting such as...

Page 11: ... 2 4 3 Connecting RS485 4W RS485 4Wires Cable 15 Chapter 3 Setting 17 3 1 Switch Setting 18 3 1 1 TC net I O bus address switch I O 18 3 1 2 Node address setting switch STN H STN L 18 3 1 3 Operation mode setting switch MODE 19 3 1 4 Maintenance switch MAINT 19 3 2 Network Parameter Setting 20 3 2 1 MODBUS station address 20 3 3 Setting with the Engineering Tool master mode 21 3 3 1 Module Paramet...

Page 12: ...installed 58 7 1 2 Combination of firmware version 58 7 2 Assignment of MD911 Management Blocks 59 7 3 Data Flow MD911 master mode 61 7 4 Data Flow MD911 slave mode 65 Appendix A Specifications 69 A 1 General Specifications 70 A 2 MD911 Transmission Specifications 71 A 3 Function Specifications 72 A 4 Serial Communication Port RS 232C Transmission Specifications 72 Appendix B Outside Dimensions 73...

Page 13: ...s chapter describes the functions characteristics and names and functions of the MD911 module 1 1 Functions and Characteristics of the MD911 Module 2 1 2 Names and Functions of the Parts 4 1 2 1 Names of the parts 4 1 2 2 Functions of the parts 5 ...

Page 14: ...col The Modbus protocol is a communication protocol developed by Modicon Inc AEG Schneider Automation International S A S for PLCs This module can be used to exchange data with external devices with the Modbus interface The MD911 supports the Modbus RTU protocol Operation mode The MD911 supports the master mode and slave mode of the Modbus protocol The operation mode can be set with the engineerin...

Page 15: ...ified Controller nv series MODBUS MD911 Module Instruction Manual 3 Example of system configuration Figure 1 1 System configuration example TC net I O loop RS485 4W 2W RS232C SA911 I O I O I O I O MODBUS product SA911 MD911 Unified Controller TC net I O bus ...

Page 16: ... module State display LED RUN ERR I O TX RX MOD TC net I O bus address setting switch I O Mode setting switch MODE Serial communication port TOOL MODBUS RS 485 I F terminal block MODBUS station address setting switch STN H STN L Maintenance switch MODBUS RS 232C I F connector MD911 TX RX MOD RUN ERR I O STN H STN L I O TOOL MODE MODBUS RS 232C MODBUS RS 485 MAINT RUN 2W 4W D1 TXD1 D0 TXD0 RXD1 RXD...

Page 17: ...ing executed successfully OFF TC net I O bus side scan transmission is being suspended ON TX green Displays the data transmission state ON Transmitting data OFF Not transmitting data 2 ON OFF RX green Displays the data reception state ON Receiving data OFF Not receiving data 2 ON OFF MOD green Displays the communication state ON All user requests are erroneous Blinking Some user requests are erron...

Page 18: ... in Chapter 3 Setting Operation mode setting switch MODE It specifies the operation mode The setting method is described in Chapter 3 Setting Serial communication port RS 232C TOOL A RS 232C port for maintenance The connector is a 9 pin D sub connector socket MODBUS RS 232C I F A communication port for MODBUS It is used for RS 232C connection MODBUS RS 485 I F terminal block A communication port f...

Page 19: ...allation and wiring read this operation manual thoroughly 2 1 Types of I O Base Units 10 2 2 Installing the Module 11 2 3 Replacing the Module 14 2 4 Connecting the MODBUS Transmission Cable 15 2 4 1 Connecting RS 232C Cable 15 2 4 2 Connecting WS485 2W RS485 2wires Cable 15 2 4 3 Connecting WS485 4W RS485 4wires Cable 15 ...

Page 20: ... wiring remove the static electricity from your body The static electricity accumulated in the human body may cause failure of the product Prohibited CAUTION Do not touch the cables carelessly Applying stress to the cables may cause malfunction or accidents Prohibited CAUTION Do not perform wiring insertion of the TC net I O bus cable connector or installation removal or replacement of the base un...

Page 21: ...nstruction Manual 9 CAUTION Use a Phillips screwdriver To prevent damage to the screws use a screwdriver that is suitable for the screws Prohibited CAUTION Perform a notification check in the application level using the transmission protocol Mandatory ...

Page 22: ... module is installed to the base unit BU901 Connect it to the base unit with other I O modules installed using a connection cable For the types and standards of the I O base unit refer to Unified Controller nv series High speed Serial I O System TC net I O Instruction Manual 6F8C1240 ...

Page 23: ...t the base units in the vertical direction If they are installed in the horizontal direction heat dissipation may be blocked resulting in failure or malfunction Mandatory The installation procedure is as follows Install the base unit When using a DIN rail secure a 35mm wide rail in the vertical direction Hook the DIN rail to the notch in the left side of the DIN rail installation slot on the back ...

Page 24: ...on and connect the other end to the TC net I O bus connection connector lower termination of the end I O base unit The base units must be almost in contact Connect them with the unit connection cable Connect the power terminal block of the base unit BU901 of the SA911 Connect 24VDC 0V and FG Class D dedicated ground to the power terminal block of the base unit BU901 of the SA911 the screw size for...

Page 25: ...the top of the module 3 Connect the MODBUS transmission cable MODBUS cable RS485 RS232C cable to the MD911 module RS 232C is for connector connection and RS 485 is for terminal block connection 4 Set the maintenance switch to RUN Remark Two sets of MD911 can be used in one BU901 1 2 MD911 module Base unit Figure 2 3 Installing the module Perform a check before operation Before turning on the power...

Page 26: ...odel Set the hexadecimal rotary switch and 4 bit dip switch to the same setting as the module before replacement After installing the module set the maintenance switch to the down RUN position If the module does not start by setting the switch to the down RUN position set it to the up MAINT position once and set it to the down RUN position again CAUTION Before touching the module or inserting or r...

Page 27: ...e Parameter Setting Connect MODBUS transmission cable according to a setup of transmission path 2 4 1 Connecting RS 232C Cable Connect 9 Pins D sub connector cable to MODBUS RS 232C I F connector 2 4 2 Connecting RS485 2W RS485 2wires Cable Connect two signals and one GND with LON Cable to MODBUS RS485 I F terminal block Master 1 2 3 4 5 D1 D0 GND Slave 1 1 2 3 4 5 D1 D0 GND Terminator 150Ω Slave ...

Page 28: ...th LON Cable to MODBUS RS485 I F terminal block Master 1 2 3 4 5 TXD1 TXD0 RXD1 RXD0 GND Slave 1 1 2 3 4 5 TXD1 TXD0 RXD1 RXD0 GND Terminator 150Ω Slave n 1 2 3 4 5 TXD1 TXD0 RXD1 RXD0 GND Terminator 150Ω Terminator 150Ω Terminator 150Ω Figure 2 5 Connection of RS485 4W cable Note For RS485 connect an attached 150Ω terminator ...

Page 29: ...k Parameter Setting 20 3 2 1 MODBUS station address 20 3 3 Setting with the Engineering Tool master mode 21 3 3 1 Module Parameter Setting 22 3 3 2 Adding of network 28 3 3 3 Setting network variables 30 3 3 4 Setting MD911 RAS variables 33 3 4 Setting with the Engineering Tool slave mode 35 3 4 1 Module Parameter Setting 36 3 4 2 Adding of network 41 3 4 3 Setting network variables 43 3 4 4 Setti...

Page 30: ...or setting of the node address refer to 3 2 Network parameter setting Set the station address 1 to 255 that has been assigned upon system configuration in a HEX code Assign an address with a different value to each of the stations in the system Table 3 1 shows the setting of a station address Table 3 1 Station address setting Name Description Setting range 01 to FF h STN H STN H upper digit addres...

Page 31: ...tting factory setting 1 For maintenance off off normal on In house Maintenance 2 Reserved off 3 Reserved off 4 Reserved off 1 off 2 off 3 off 4 off normal setting Operation mode Normally use the normal setting state Important Never use the maintenance mode and the reserve switches 3 1 4 Maintenance switch MAINT Figure 3 1 shows the configuration of the maintenance switch Figure 3 1 Maintenance swi...

Page 32: ...the following network parameters must be set MODBUS station address 3 2 1 MODBUS station address For MODBUS the station address setting switch is used to set the address on the MODBUS network The address on the MODBUS network can be set to any value provided that the value must be unique in the system The available range of addresses is 01h FFh 1 255 The address can be set in MD911 parameter setti...

Page 33: ...a Ethernet The Ethernet connection in the nv controller can be made using the MD911 module Figure 3 2 System configuration of the setting example Figure 3 2 System configuration of the setting example Set the address shown in Figure 3 2 to the MD911 module Using the rotary switch of the MD911 module set the lowermost digit of the address in hexadecimal in this case convert 1 into hexadecimal and s...

Page 34: ...from the next startup After setting turn ON the power of the MD911 which is supplied to SA9 from OFF 3 3 1 Module parameter setting Set the parameters of the MD911 in the following steps Register the MD911 module from the product tree Select Station under the created system and select New Figure 3 3 Module registration screen ...

Page 35: ...11 Module Instruction Manual 23 Select Module Parameters When you select the added module and select Module Parameters from the File menu the parameter screen is displayed Alternately select the MD911 and right click it and select Module Parameters Figure 3 4 Module parameter select screen ...

Page 36: ...parameters are shown below Station No Set the address value of the MD911 on the MODBUS network Set the same value as the MODBUS station address setting switch of the MD911 Transmission speed Set the transmission speed 9600bps 19200bps for the target MODBUS device Parity Set parity setting no odd even Transmission type Set the transmission path RS232C RS485 2W RS485 4W for connecting with the targe...

Page 37: ...tion frequency is reduced communication is performed at the timing of the cycle of the user request parameter x the number of times specified RS 232C DCD Signal diagnosis Set whether to perform diagnosis of the DCD signal when the transmission path is RS232C RS 232C DSR Signal diagnosis Set whether to perform diagnosis of the DSR signal when the transmission path is RS232C RS 232C CTS Signal diagn...

Page 38: ...tation No Set the address value of the target slave side on the MODBUS network Function code Select the function for the target slave side from read coil status read input relay status read retention register content read input register content change single coil status write single retention register change multiple coil status and write multiple retention register ...

Page 39: ...state read single coil state change and multiple coil state change Set a word address for retention register content read input register content read single retention register write and multiple retention register write Register num Register num of user setting parameter is the following when master Read coil status Read input relay status Change multiple coil status 1 to 1024 Num of registers of ...

Page 40: ...F8C1399 28 3 3 2 Adding of network Add a network from the product tree Select Network under Systems and select New Figure 3 7 Network adding screen Select ModbusLANm in Network Catcode Figure 3 8 ModbusLANm select screen ...

Page 41: ...ontroller nv series MODBUS MD911 Module Instruction Manual 29 Register the MD911 to the created ModbusLANm The MD911 module previously added is displayed in the module addition dialog Select it to connect to the ModbusLANm Figure 3 9 Network registration screen ...

Page 42: ...ables Registering talker blocks Select the ModbusLANm folder in Network Folder and select Scan Memory in the lower right part of the screen Select File Talker Block to start the talker block edit screen Specify the cyclic transmission common memory area transmitted by the MD911 Figure 3 10 Talker block edit screen For Word No specify the first word No of each area For Word Len specify the number o...

Page 43: ... block edit screen click the Open Network button to start the network variable edit screen Unlock the edit lock In the upper half of the network edit screen register network variables to the talker block A talker block can be selected in the Talker Block pull down menu Figure 3 11 Network edit talker block selection screen In the lower half of the network edit screen register the network variables...

Page 44: ... In the upper half of the network edit screen select the network variables to output and click the Assign to Inputs button They are registered in the lower half of the screen Figure 3 12 Network edit input variable selection screen ...

Page 45: ... Setting MD911 RAS variables The RAS variables of the MD911 include MODBUS RAS information The method to view the information is described below Select the target MD911 and right click it to select I O Variables Figure 3 13 I O variables select screen The RAS variables such as MODBUS RAS information can be selected using tabs ...

Page 46: ...4 bytes 2 3 4 SW healthy information 6 bytes 5 HW version information 2 bytes 6 7 SW version information 4 bytes Figure 3 15 Healthy information MD_HTY Communication state The bits 1 64 correspond to user request numbers 1 64 0 indicates not communicating or error and 1 indicates normal offset b15 b14 b13 b12 b11 b10 B9 b8 b7 b6 b5 b4 b3 b2 b1 b0 16 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 32 31 ...

Page 47: ...hernet The Ethernet connection in the nv controller can be made using the MD911 module Figure 3 16 System configuration of the setting example Figure 3 16 System configuration of the setting example Set the address shown in Figure 3 16 to the MD911 module Using the rotary switch of the MD911 module set the lowermost digit of the address in hexadecimal in this case convert 100 into hexadecimal and ...

Page 48: ...rom the next startup After setting turn ON the power of the MD911 which is supplied to SA9 from OFF 3 4 1 Module parameter setting Set the parameters of the MD911 in the following steps Register the MD911 module from the product tree Select Station under the created system and select New Figure 3 17 Module registration screen ...

Page 49: ...1 Module Instruction Manual 37 Select Module Parameters When you select the added module and select Module Parameters from the File menu the parameter screen is displayed Alternately select the MD911 and right click it and select Module Parameters Figure 3 18 Module parameter select screen ...

Page 50: ...odule parameter setting screen The details of the module parameters are shown below Station No Set the address value of the MD911 on the MODBUS network Set the same value as the MODBUS station address setting switch of the MD911 Transmission speed Set the transmission speed 9600bps 19200bps for the target MODBUS device Parity Set parity setting no odd even ...

Page 51: ...requency of communication error for determination of reduced frequency Not used in the slave mode Multiple at cycle for determination of reduced frequency Not used in the slave mode RS 232C DCD Signal diagnosis Set whether to perform diagnosis of the DCD signal when the transmission path is RS232C RS 232C DSR Signal diagnosis Set whether to perform diagnosis of the DSR signal when the transmission...

Page 52: ... Reads the current values of the retention registers Read input register content Reads the current values of the input registers Change single coil status Changes the state of a coil to ON or OFF Write single retention register Writes a value to a retention register Change multiple coil status Changes the state of the coils to ON or OFF Write multiple retention register Writes values to a series o...

Page 53: ...er nv series MODBUS MD911 Module Instruction Manual 41 3 4 2 Adding of network Add a network from the product tree Select Network under Systems and select New Figure 3 20 Network adding screen Select ModbusLANs in Network Catcode Figure 3 21 ModbusLANs select screen ...

Page 54: ...ing 6F8C1399 42 Register the MD911 to the created ModbusLANs The MD911 module previously added is displayed in the module addition dialog Select it to connect to the ModbusLANs Figure 3 22 Network registration screen ...

Page 55: ...BUS transmission of the MD911 as network variables Registering talker blocks Select the ModbusLANs folder in Network Folder and select Scan Memory in the lower right part of the screen Select File Talker Block to start the talker block edit screen Specify the cyclic transmission common memory area transmitted by the MD911 Figure 3 23 Talker block edit screen For Word No specify the first word No o...

Page 56: ...ton to start the network variable edit screen Unlock the edit lock In the upper half of the network edit screen register network variables to the talker block A talker block can be selected in the Talker Block pull down menu Figure 3 24 Network edit talker block selection screen In the lower half of the network edit screen register the network variables as input data From the InNode and InControll...

Page 57: ...ies MODBUS MD911 Module Instruction Manual 45 In the upper half of the network edit screen select the network variables to output and click the Assign to Inputs button They are registered in the lower half of the screen Figure 3 25 Network edit input variable selection screen ...

Page 58: ...s of the MD911 include MODBUS RAS information The method to view the information is described below Select the target MD911 and right click it to select I O Variables Figure 3 26 I O variables select screen The RAS variables such as MODBUS RAS information can be selected using tabs ...

Page 59: ...ftware is running offset b15 b0 0 1 Reserved 4 bytes 2 3 4 SW healthy information 6 bytes 5 HW version information 2 bytes 6 7 SW version information 4 bytes Figure 3 28 Healthy information MD_HTY Communication state The bits 1 64 correspond to user request numbers 1 64 0 indicates not communicating or error and 1 indicates normal offset b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 16 16 ...

Page 60: ...Chapter 3 Setting 6F8C1399 48 ...

Page 61: ...49 Chapter 4 Operation This chapter describes the operations of the MD911 module such as checking before operation startup and shutdown ...

Page 62: ...n Before turning on the power and operating the product check again that the following are as described in this operation manual Switch setting Installation Wiring Note Checking the switch settings Use the engineering tool to check the switch settings station address setting switch and operation mode setting switch Startup operation When the power supply module is turned on the module starts runni...

Page 63: ...51 Chapter 5 Troubleshooting This chapter describes troubleshooting for the MD911 module ...

Page 64: ... OFF ON Normal Down OFF ON Module error Contact one of Toshiba s service representatives to replace the module Waiting for downloading ON ON Waiting for downloading Download the engineering data by the engineering tool Engineering data setting error Blinking 1 Blinking 1 Blinking 1 Engineering data setting error Download after correcting the engineering data 1 Blinking simultaneously Loading the R...

Page 65: ...pection This chapter describes maintenance and inspection such as daily inspection periodical inspection and cleaning of MD911 module 6 1 Inspection 55 6 1 1 Daily inspection 55 6 1 2 Periodical inspection 55 6 2 Life Limited Parts 56 ...

Page 66: ...tricity accumulated in the human body may cause failure of the product Mandatory CAUTION When cleaning the product do not change the switch setting Do not exert any stress on the cables Exerting stress on the cables by touching them may cause malfunction or accidents Prohibited CAUTION Stop using immediately when an error occurs When an error occurs such as unable to turn on the power stop using a...

Page 67: ... Toshiba s service representatives Ventilation hole Check the front panel and upper ventilation hole of the product for dust or stain If the ventilation hole is blocked by dust or stain remove the dust with a vacuum cleaner and then wipe it with a soft cloth Indoor environment Check if the temperature and humidity of the location where the product is located are within the product specification ra...

Page 68: ...one of Toshiba s service representatives The following table shows the life limited parts and their replacement cycles Table 6 1 Life limited parts and their recommended replacement cycles Part name Recommended replacement cycle Organic semiconductor aluminum solid electrolytic capacitors 15 years Switches connectors A sampling test every 10 years is recommended as preventive maintenance ...

Page 69: ...ts on usage of the application interface 7 1 Usage Constraints 58 7 1 1 Constraint on the number of units installed 58 7 1 2 Combination of firmware version 58 7 2 Assignment of MD911 Management Blocks 59 7 3 Data Flow MD911 master mode 61 7 4 Data Flow MD911 slave mode 65 ...

Page 70: ...2 Combination of firmware version MD911 operates in the combination of the following firmware PU811 866 Firmware SHTYPE1A V01 45 or later PU821 Firmware SHTYPE2A V01 50 or later SA911 SA912 Firmware SESIO91A V01 21 or later SA911 SA912 Firmware SESIO91B V02 21 or later Engineering tool Japanese Client server HET82J4SS V4 7 0 or later Engineering tool English Client server HET82E4SS V4 7 0 or later...

Page 71: ...hich the MD911 is installed Example TC net I O loop address of the SA911 to which the MD911 is installed 5 TC net I O bus address at which the MD911 is installed 2 96 5 3 16 2 130 blocks In this example the management blocks of the MD911 are assigned to 130 blocks The content of the management blocks are shown below offset b15 b0 0 HW healthy information 2 SW healthy information 5 HW version infor...

Page 72: ...ersion information offset b15 b0 6 Version 7 Revision MODBUS communication map Displays the state of MODBUS communication with a bitmap Each bit corresponds to the point number 1 64 registered in the user request parameter Bit 1 Communicating Bit 0 Not communicating offset b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 32 31 30 29 28 27 26 25 24 23 22 ...

Page 73: ...status request 0 15 Scan memory The scan block corresponding to the user request parameters Coil1 Coil2 User request parameters MD911 Slave Master Change multiple coil status Station No Function code Start address Num of registers Num of bytes Change data CRC Upper Lower Upper Lower Download TC net I O bus scan Station No Function code ＣＲＣ Start address Num of registers Upper Lower Upper Lower ...

Page 74: ...8C1399 62 Example of data change in slave side by writing data into the network variable MST_COIL_W assigned to the change of coil state Example of a setting of talker block Block No 2 Example of a setting of network variable MST_COIL_W ...

Page 75: ...tus request Scan memory 0 15 The scan block corresponding to the user request parameters Coil1 Coil2 User request parameters User request parameters Slave Master Read coil status reply Download Station No Function code Start address Num of registers CRC Upper Lower Upper Lower TC net I O bus scan Station No Function code Num of bytes Data CRC ...

Page 76: ...8C1399 64 Example of data read in slave side by reading data from the network variable MST_COIL_R assigned to the reading of coil state Example of a setting of talker block Block No 1 Example of a setting of network variable MST_COIL_R ...

Page 77: ... Download Module parameters TC net I O bus scan Scan memory 0 15 The scan block corresponding the coil write in area Change multiple coil status request Change multiple coil status reply Station No Function code CRC Station No Function code Num of bytes Change data CRC Start address Num of registers Upper Lower Upper Lower Coil1 Coil2 Start address Num of registers Upper Lower Upper Lower ...

Page 78: ...of data collection on the coil state change area in slave side by reading data from the network variable SLV_COIL_W assigned to the changing of coil state Example of a setting of talker block Block No 2 Example of a setting of network variable SLV_COIL_W ...

Page 79: ...Num of registers Start address Read coil status request MD911 Slave Master Read coil status request Station No Function code CRC Upper Lower Upper Lower Module parameters Download Scan memory 0 15 The scan block corresponding the the coil write in area TC net I O bus scan Station No Function code Num of bytes data CRC Coil1 Coil2 ...

Page 80: ...ample of data change on the coil read area in slave side by writing data into the network variable SLV_COIL_R assigned to the reading of coil state Example of a setting of talker block Block No 1 Example of a setting of network variable SLV_COIL_R ...

Page 81: ...69 Appendix A Specifications A 1 General Specifications 66 A 2 MD911 Transmission Specifications 67 A 3 Function Specifications 68 A 4 Serial Communication Port RS 232C Transmission Specifications 68 ...

Page 82: ...r supply terminal block Current consumption when rated power is fed 0 5A or less 24VDC Power consumption when rated power is fed 1 2W or less Dust 0 3mg m 3 or less no conductive dust Vibration resistance 5 f 9 half amplitude 3 1mm 9 f 150Hz constant acceleration 9 8m sec2 Shock resistance 147m S 2 3 axis directions Grounding D class grounding with ground resistance of 100 Ω or less prescribed by ...

Page 83: ... Specification Applicable standard RS485 2W 4W RS232C Data transmission speed 9600bps 19200bps Topology Master mode One to many connection N 64 MAX Slave mode One to many connection Only one master is supported in the slave mode Transmission path Single bus Node count Up to 64 nodes Maximum number of MD911 modules installed Up to 16 modules controller 16 special modules in total per controller ...

Page 84: ... the application level A 4 Serial Communication Port RS 232C Transmission Specifications Table A 4 Serial specifications Item Specification Data transmission speed Max 9600bps Synchronization method Asynchronous Transmission cable Cross cable with 9 pin 9 pin D sub connector Cable length Max 15m Communication method Half duplex Communication setting Parity bit None Character length 8 bits Stop bit...

Page 85: ...73 Appendix B Outside Dimensions ...

Page 86: ...e following figure shows the outside dimensions of the MD911 Figure B 1 MD911 outside dimensions 35 95 185 MD911 TX RX MOD RUN ERR I O STN H STN L I O TOOL MODE MODBUS RS 232C MODBUS RS 485 MAINT RUN 2W 4W D1 TXD1 D0 TXD0 RXD1 RXD0 GND 1 2 3 4 5 ...

Page 87: ...75 Appendix C Related Products ...

Page 88: ...Appendix C Related Products 6F8C1399 76 Table C 1 Related products Product name Rating Remark TOOL cable RS 232C D sub 9 pin Standard length 5m ...

Page 89: ...77 Appendix D Decimal hexadecimal Conversion Table ...

Page 90: ... 72 48 104 68 9 9 41 29 73 49 105 69 10 A 42 2A 74 4A 106 6A 11 B 43 2B 75 4B 107 6B 12 C 44 2C 76 4C 108 6C 13 D 45 2D 77 4D 109 6D 14 E 46 2E 78 4E 110 6E 15 F 47 2F 79 4F 111 6F 16 10 48 30 80 50 112 70 17 11 49 31 81 51 113 71 18 12 50 32 82 52 114 72 19 13 51 33 83 53 115 73 20 14 52 34 84 54 116 74 21 15 53 35 85 55 117 75 22 16 54 36 86 56 118 76 23 17 55 37 87 57 119 77 24 18 56 38 88 58 1...

Page 91: ...2 E8 137 89 169 A9 201 C9 233 E9 138 8A 170 AA 202 CA 234 EA 139 8B 171 AB 203 CB 235 EB 140 8C 172 AC 204 CC 236 EC 141 8D 173 AD 205 CD 237 ED 142 8E 174 AE 206 CE 238 EE 143 8F 175 AF 207 CF 239 EF 144 90 176 B0 208 D0 240 F0 145 91 177 B1 209 D1 241 F1 146 92 178 B2 210 D2 242 F2 147 93 179 B3 211 D3 243 F3 148 94 180 B4 212 D4 244 F4 149 95 181 B5 213 D5 245 F5 150 96 182 B6 214 D6 246 F6 151...

Page 92: ...Appendix D Decimal hexadecimal Conversion Table 6F8C1399 80 ...

Page 93: ...t Reserved No part of this document may be reproduced without the prior written consent of Toshiba Transmission Distribution Industrial Systems Company Microelectronics System Components Department System Components Technology Support Group 1 Toshiba Cho Fuchu Shi Tokyo 183 8511 Japan Tel 81 42 333 2206 First Edition ...

Page 94: ...1399 1 1012 ...

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