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Toshiba MD911 Instruction Manual

Toshiba MD911 Instruction Manual

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6F8C1399
Unified Controller
nv Series
MODBUS (MD911) Module
Instruction Manual

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  • Page 1 6F8C1399 Unified Controller nv Series MODBUS (MD911) Module Instruction Manual...
  • Page 2 (1) The technical information provided herein describes typical operations and applications of the product and does not guarantee the intellectual property rights or other rights of Toshiba or third parties nor allows license of its use. (2) No part or the whole of this document may be reproduced without prior consent.
  • Page 3 Indicates Warning. Specific details are indicated near the symbol with pictures and text. Warning (Note) Descriptions of Prohibition, Mandatory Action, and Warning vary depending on the display on the main unit. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 4 Safety Precautions on Installation WARNING Ground the device. Otherwise, it may cause an electric Ground shock or fire. CAUTION Do not install, store, or use it in Do not block the ventilation the following environments. hole or air inlet/outlet. Prohibited Prohibited ・...
  • Page 5 Mandatory cloth. For severe stain, use a wet cloth wrung tightly. Leaving them stained may cause wrong decision or malfunction. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 6 It may cause an electric shock, fire, overheat. injury, or failure. Upon faulty operation or failure, contact Do not touch the terminals of Toshiba's branch office or service the module and unit during offices. energization. No touch It may cause an electric shock.
  • Page 7 Mandatory Prohibited conductive bag and When destroying the product, observe packaging box. the ordinances and rules of the local government. Otherwise it will cause failure. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 8 (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. ■...
  • Page 9 Introduction This manual describes the functions, methods of installation and setting, and maintenance and inspection of the MODBUS (MD911) module ("MD911 module" hereafter) for connecting the information/control network MODBUS to the Unified Controller nv series. To use this device correctly, read "Safety precautions" first.
  • Page 10 Describes a remark. ●Reading this document This document consists of the following chapters. · Chapter 1 Introducing the MD911 module Describes the functions, characteristics, 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.

  • Page 11: Table Of Contents

    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 Setting MD911 RAS variables ·······································46 Chapter 4 Operation …49 Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 12 ·································································58 Chapter 7 7.1.1 Constraint on the number of units installed ···················58 Application 7.1.2 Combination of firmware version···································58 Interface Assignment of MD911 Management Blocks ···················59 …57 Data Flow (MD911 master mode) ·······································61 Data Flow (MD911 slave mode) ··········································65 General Specifications ·····························································...
  • Page 13 Chapter 1 Introducing the MD911 Module This chapter describes the functions, characteristics, and names and functions of the MD911 module. Functions and Characteristics of the MD911 Module ······ 2 Names and Functions of the Parts ········································ 4 1.2.1 Names of the parts····························································· 4 1.2.2...

  • Page 14: Functions And Characteristics Of The Md911 Module

    Chapter 1 Introducing the MD911 Module 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.
  • Page 15 1.1 Functions and Characteristics of the MD911 Module ■ Example of system configuration Unified Controller TC-net I/O loop SA911 SA911 MD911 TC-net I/O bus RS485 (4W/2W) RS232C MODBUS product Figure 1-1 System configuration example Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 16: Names And Functions Of The Parts

    Chapter 1 Introducing the MD911 Module Names and Functions of the Parts 1.2.1 Names of the parts Figure 1-2 shows the names of the parts of the MD911 module. State display LED ・RUN ・ERR MD911 ・I/O RUN ERR ・TX ・RX ・MOD...

  • Page 17: 1.2.2 Functions Of The Parts

    (Note2) All LED’s described to the above-mentioned table turn OFF, when the maintenance switch is upward position. Waiting for downloading, when RUN and ERR turn on simultaneously. Engineering data setting error, when TX, RX and MOD brink simultaneously. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 18 Chapter 1 Introducing the MD911 Module ■ TC-net I/O bus address setting switch (I/O) It specifies the address of the TC-net I/O bus of the MD911 in hexadecimal. The setting method is described in Chapter 3 "Setting." ■ MODBUS station address setting switch (STN-H, STN-L) It specifies the address of the MD911 on the MODBUS network in hexadecimal.
  • Page 19 Chapter 2 Installation and Wiring This chapter describes installation and wiring methods of the MD911 module. Before installation and wiring, read this operation manual thoroughly. Types of I/O Base Units ··························································· 10 Installing the Module ······························································· 11 Replacing the Module ······························································...
  • Page 20 Chapter 2 Installation and Wiring Before installing or removing the module, make sure that the basic unit to which the WARNING MD911 module is installed is turned off. Mandatory Otherwise, it may cause an electric shock. Do not touch the interior of the product WARNING except the switches.
  • Page 21 CAUTION To prevent damage to the screws, use a screwdriver that is suitable for the screws. Prohibited Perform a notification check in the CAUTION application level using the transmission protocol. Mandatory Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 22: Types Of I/O Base Units

    Chapter 2 Installation and Wiring Types of I/O Base Units The MD911 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"...

  • Page 23: Installing The Module

    DIN rail. DIN rail DIN rail stopper (for upper end) Base unit DIN rail stopper (for lower end) Figure 2-1 Installing the base unit to the DIN rail Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 24 (BU901) of the SA911. (the screw size for these wiring terminals is M3.5). Remark ・ Connect FG to the power terminal block of the base unit (BU901) of the MD911. Connections of 24VDC and 0V are unnecessary. Figure 2-2 Power terminal block of the base unit SA911...
  • Page 25 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 Base unit MD911 module Figure 2-3 Installing the module Perform a check before operation.

  • Page 26: Replacing The Module

    Chapter 2 Installation and Wiring Replacing the Module The MD911 module can be replaced while the system is energized or not energized. When replacing them while the system is energized, set the maintenance switch to the up (MAINT) position for the MD911 module.

  • Page 27: Connecting The Modbus Transmission Cable

    Connect two signals and one GND with LON Cable to MODBUS RS485 I/F terminal block. Master D1 D0 - GND Terminator (150Ω) Terminator (150Ω) D1 D0 - GND D1 D0 - GND Slave 1 Slave n Figure 2-4 Connection of RS485-2W cable Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 28 Chapter 2 Installation and Wiring 2.4.3 Connecting RS485-4W (RS485 4wires) Cable Connect four signals and one GND with LON Cable to MODBUS RS485 I/F terminal block. Master TXD1 TXD0 RXD1 RXD0 GND Terminator (150Ω) Terminator (150Ω) Terminator (150Ω) Terminator (150Ω) TXD1 TXD0 RXD1 RXD0 GND TXD1 TXD0 RXD1 RXD0 GND Slave 1...
  • Page 29 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 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...

  • Page 30: Switch Setting

    MD911 module. The method to set the switches is shown below. ◆ Important ・ Set the switches that determine the operation mode and station address of the MD911 module before turning the power on. 3.1.1 TC-net I/O bus address switch (I/O) The TC-net I/O bus address switches are hexadecimal rotary switches that determine the address on the TC-net I/O bus.

  • Page 31: Operation Mode Setting Switch (Mode)

    Insertion or removal is performed when the switch is set to the up (MAINT) position to separate the module from the system. When insertion is complete, the switch is returned to the down (RUN) position for normal operation. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 32: Network Parameter Setting

    The available range of addresses is 01h-FFh (1-255). The address can be set in MD911 parameter setting in the engineering tool. Set the value set with the address setting switch to the station number of the module parameter.

  • Page 33: Setting With The Engineering Tool (Master Mode)

    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 set "0x01," i.e. H=0，...

  • Page 34: Module Parameter Setting

    Chapter 3 Setting Set all the MODE switches of the MD911 module to OFF. Note ・ The switch setting becomes effective from the next startup. After setting, turn ON the power of the MD911, which is supplied to SA9**, from OFF.
  • Page 35 3.3 Setting with the Engineering Tool (master mode) 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 Chapter 3 Setting Set module parameters. In the module parameter setting screen of the MD911, set the module parameters for the MD911. Figure 3-5 Module 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.
  • Page 37 Download can be done as batch download to the controller. Restart the system. The downloaded information becomes effective from the next startup. After the download is complete, turn ON the power of the MD911, which is supplied to SA9**, from OFF. Note Be careful so that the address does not overlap with other station.
  • Page 38 Chapter 3 Setting Next, set the user request parameters for the MD911. User requests are set in the Point No 1-64. Figure 3-6 User parameter setting screen ●Station No.: Set the address value of the target (slave side) on the MODBUS network.
  • Page 39 When it is "0," communication is performed regardless of the transmission cycle. Download the registered data to the MD911. Perform batch download to the controller. * Be careful so that the address does not overlap with other station. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 40: Adding Of Network

    Chapter 3 Setting 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 6F8C1399...
  • Page 41 3.3 Setting with the Engineering Tool (master mode) 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 Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 42: Setting Network Variables

    3.3.3 Setting network variables Assign the data transmitted with the MD911 to the network variables of the system. This operation allows the user program on the controller to handle the data sent via MODBUS transmission of the MD911 as network variables.
  • Page 43 In the lower half of the network edit screen, register the network variables as input data. From the [InNode] and [In Controller] pull-down menus, select the controller inputting the network variables. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 44 Chapter 3 Setting 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 6F8C1399...

  • 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 Chapter 3 Setting MODBUS RAS information The MODBUS RAS information includes healthy information and communication state. The details and structure of the information are shown below. Figure 3-14 MODBUS RAS information screen Healthy information (MD_HTY) It is counter (48-bit) information in units of 1ms indicating that the software is running.

  • Page 47: Setting With The Engineering Tool (Slave Mode)

    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 set "0x64," i.e. H=6，...

  • Page 48: Module Parameter Setting

    Chapter 3 Setting Set all the MODE switches of the MD911 module to OFF. Note ・ The switch setting becomes effective from the next startup. After setting, turn ON the power of the MD911, which is supplied to SA9**, from OFF.
  • Page 49 3.4 Setting with the Engineering Tool (slave mode) 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 Chapter 3 Setting Set module parameters. In the module parameter setting screen of the MD911, set the module parameters for the MD911. Figure 3-19 Module 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.
  • Page 51 RS-232C CTS Signal diagnosis: Set whether to perform diagnosis of the CTS signal when the transmission path is RS232C. No.1 coil reading area size: Set the size of the coil read area. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 52 Download can be done as batch download to the controller. Restart the system. The downloaded information becomes effective from the next startup. After the download is complete, turn ON the power of the MD911, which is supplied to SA9**, from OFF. Note Be careful so that the address does not overlap with other station.

  • Page 53: Adding Of Network

    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 Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 54 Chapter 3 Setting 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 6F8C1399...

  • Page 55: Setting Network Variables

    3.4.3 Setting network variables Assign the data transmitted with the MD911 to the network variables of the system. This operation allows the user program on the controller to handle the data sent via MODBUS transmission of the MD911 as network variables.
  • Page 56 Chapter 3 Setting ■ Registering network variables From the talker block edit screen, start the network variable edit screen, and register network variable names to the common memory for each talker block. In the talker block edit screen, click the [Open Network] button to start the network variable edit screen.
  • Page 57 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 Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 58: 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 3-26 I/O variables select screen The RAS variables such as MODBUS RAS information can be selected using tabs.
  • Page 59 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 0: Not communicating or error 1: Normal Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 60 Chapter 3 Setting 6F8C1399...
  • Page 61 Chapter 4 Operation This chapter describes the operations of the MD911 module, such as checking before operation, startup, and shutdown.
  • Page 62 When the power supply module is turned on, the module starts running automatically. When the MD911 module is up and running, check that it is operating correctly by referring to "Table 1-1 Display details on the state display LED and normal display."...
  • Page 63 Chapter 5 Troubleshooting This chapter describes troubleshooting for the MD911 module.
  • Page 64 "Table 1-1 Display details on the state display LED and normal display", or if any error is detected in the human interface station, stop using it immediately and contact one of Toshiba's service representatives. ■ Fault diagnosis method using the LEDs Perform diagnosis by referring to the following table.
  • Page 65 Chapter 6 Maintenance and Inspection This chapter describes maintenance and inspection such as daily inspection, periodical inspection, and cleaning of MD911 module. Inspection ··········································································· 6.1.1 Daily inspection ································································ 55 6.1.2 Periodical inspection ························································ 55 Life Limited Parts ·······························································...
  • Page 66 Exerting stress on the cables by touching them may cause malfunction or accidents. Stop using immediately when an error occurs. CAUTION When an error occurs such as unable to turn on the Mandatory power, stop using and contact one of Toshiba's service representatives. 6F8C1399...
  • Page 67 6 months. Also, it is recommended replacing life limited parts regularly (refer to "6.2 Life limited parts"). For a periodical inspection, consult with one of Toshiba's service representatives. Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 68 Life Limited Parts To use the product safely for a long time, replace the life limited parts regularly. When replacing them, consult with one of Toshiba's service representatives. The following table shows the life limited parts and their replacement cycles.
  • Page 69 Usage Constraints ····························································· 7.1.1 Constraint on the number of units installed ····················· 58 7.1.2 Combination of firmware version ····································· 58 Assignment of MD911 Management Blocks ··················· Data Flow (MD911 master mode) ·········································· 61 Data Flow (MD911 slave mode) ············································· 65...

  • Page 70: Usage Constraints

    Usage Constraints 7.1.1 Constraint on the number of units installed Up to 16 special modules such as the MD911 module can be installed to one controller. The I/O module for an output cannot be installed on the same TC-net I/O bus.

  • Page 71: Assignment Of Md911 Management Blocks

    7.2 Assignment of MD911 Management Blocks Assignment of MD911 Management Blocks The management blocks of the MD911 are assigned to the following blocks on the TC-net I/O loop. 96+(TC-net I/O loop address of the SA911 to which the MD911 is installed -3)×16+TC-net I/O bus address at which the MD911 is installed...
  • Page 72 Chapter 7 Application Interface SW healthy information It is counter (48-bit) information in units of 1ms indicating that the software is running. offset b15 HW version information Displays the HW version information. offset b15 Version Revision SW version information Displays the SW version information. offset b15 Version Revision...

  • Page 73: Data Flow (Md911 Master Mode)

    TC-net I/O bus scan The scan block corresponding to the user request Change multiple coil status parameters Station No. Function code (Upper) Start address (Lower) (Upper) Num. of registers (Lower) ＣＲＣ Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 74 Chapter 7 Application Interface 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) 6F8C1399...
  • Page 75 Num. of registers (Lower) Coil1 Coil2 Scan memory TC-net I/O bus scan The scan block corresponding to the user request Read coil status reply parameters Station No. Function code Num. of bytes Data Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 76 Chapter 7 Application Interface 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) 6F8C1399...

  • Page 77: Data Flow (Md911 Slave Mode)

    Scan memory Change multiple coil status reply Station No. The scan block Function code corresponding the (Upper) coil write-in area Start address (Lower) TC-net I/O bus (Upper) Num. of registers scan (Lower) Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 78: General Specifications

    Chapter 7 Application Interface Example 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) 6F8C1399...
  • Page 79 Num. of registers (Lower) Coil1 Coil2 Scan memory Read coil status request The scan block Station No. corresponding Function code the the coil Num. of bytes write-in area data TC-net I/O bus scan Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 80 Chapter 7 Application Interface Example 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) 6F8C1399...
  • Page 81 Appendix A Specifications A.1 General Specifications ······················································ A.2 MD911 Transmission Specifications································ A.3 Function Specifications ···················································· A.4 Serial Communication Port (RS-232C) Transmission Specifications ············································...
  • Page 82 Appendix A Specifications A.1 General Specifications Table A-1 MD911 general specifications Item Specification Operating temperature range 0 to 55  C (product ambient temperature) Operating humidity range 10 to 95%RH (no condensation) -40 to 70  C Storage temperature range...

  • Page 83: A.2 Md911 Transmission Specifications

    (Only one master is supported in the slave mode) Transmission path Single bus Node count Up to 64 nodes Maximum number of MD911 Up to 16 modules/controller modules installed (16 special modules in total per controller） Unified Controller nv series MODBUS (MD911) Module Instruction Manual...

  • Page 84: A.3 Function Specifications

    Appendix A Specifications A.3 Function Specifications Table A-3 Function specifications Item Specification Protocol MODBUS RTU protocol (Note) Perform a transmission check of transmission data in the application level. A.4 Serial Communication Port (RS-232C) Transmission Specifications Table A-4 Serial specifications Item Specification Data transmission speed Max.
  • Page 85 Appendix B Outside Dimensions...
  • Page 86 Appendix B Outside Dimensions The following figure shows the outside dimensions of the MD911. MD911 RUN ERR STN-H STN-L MODE TOOL MODBUS MAINT RS-232C ↓RUN 2W/4W D1/TXD1 D0/TXD0 - /RXD1 - /RXD0 MODBUS RS-485 Figure B-1 MD911 outside dimensions 6F8C1399...
  • Page 87 Appendix C Related Products...
  • Page 88 Appendix C Related Products Table C-1 Related products Product name Rating Remark RS-232C Standard TOOL cable D-sub 9-pin length 5m 6F8C1399...
  • Page 89 Appendix D Decimal-hexadecimal Conversion Table...
  • Page 90 Appendix D Decimal-hexadecimal Conversion Table Table D-1 Decimal-hexadecimal conversion table (1) Decimal Hexadecimal Decimal Hexadecimal Decimal Hexadecimal Decimal Hexadecimal 6F8C1399...
  • Page 91 Table D-1 Decimal-hexadecimal conversion table (2) Decimal Hexadecimal Decimal Hexadecimal Decimal Hexadecimal Decimal Hexadecimal Unified Controller nv series MODBUS (MD911) Module Instruction Manual...
  • Page 92 Appendix D Decimal-hexadecimal Conversion Table 6F8C1399...
  • Page 93 Uni ed Controller nv Series MODBUS (MD911)Module Instruction Manual December 1, 2010 First Edition 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 © Toshiba Corporation 2010 No part of this document may be reproduced All Right Reserved.
  • Page 94   1399.1.1012...

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