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Vishay VT400 Technical Manual

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VT400
Weight Indicator
Technical Manual
Revision A5, June 2009
Doc # UM-VT400-EN

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Summary of Contents for Vishay VT400

  • Page 1 VT400 Weight Indicator Technical Manual Revision A5, June 2009 Doc # UM-VT400-EN...

  • Page 2: Table Of Contents

    2.3.1 Load Cell Operating Parameters ............19 ................19 ERIAL ONNECTIONS 2.4.1 Printer and PC Cables ................ 19 2.4.2 RS485 Cable Connections ..............20 ................20 ONNECTING OWER DISPLAY, KEYS AND MENUS............21 ..................22 ISPLAY VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 3 ..............36 TORING ALIBRATION ............36 OCKING AND NLOCKING ALIBRATION 4.4.1 Sealing Indicator Enclosure with Stickers..........37 Securing Load Receptor ..............39 4.4.2 4.4.3 Checking Seal Status and Audit Trail Counter........39 VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 4 OUTPUTS AND DIGITAL INPUT............49 .................. 49 PECIFICATIONS 7.1.1 Digital Outputs ................. 49 7.1.2 Analog Outputs ................49 7.1.3 Digital Input (Tilt Switch) ..............49 .......... 50 ONNECTING IGITAL UTPUTS AND WITCH VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 5 ............61 HECKING ONNECTION ............... 62 HECKING OWER UPPLY ............62 HECKING IGITAL NPUT AND UTPUTS APPENDIX A: TECHNICAL DRAWINGS ............63 APPENDIX B: MASTER-SLAVE PROTOCOL ..........67 CONTACTING VISHAY TRANSDUCERS ............82 VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 6: Table Of Figures

    SEALING WITH NON REMOVABLE STICKER 8 – D ....39 IGURE ESKTOP MODEL SEALING WITH LEAD SEAL REMOVABLE STICKER 9 – D ......50 IGURE IGITAL OUTPUT AND TILT SWITCH CONNECTION DIAGRAM VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 7: Legal Notice

    VT protected under international copyright law and shall be and remain solely with VT. VT400 is a registered trademark of VT. No right, license, or interest to such trademark is granted hereunder, and you agree that no such right, license, or interest shall be asserted by you with respect to such trademark.

  • Page 8: Warranty

    Buyer, and the Purchaser hereby agrees to indemnify and hold Vishay Transducers harmless from any claim asserted against or liability imposed on Vishay Transducers occasioned by the failure of the Purchaser to so notify such Buyer. This provision is not intended to afford subsequent Purchasers any warranties or rights not expressly granted to such subsequent Purchasers under the law.

  • Page 9: Safety Instructions

    Make sure that all other cables are disconnected before disconnecting the ground. Special Safety Warnings Welding on or in the vicinity of the equipment is strictly prohibited. Use reliable lightening conductors to prevent static loads caused by thunderstorms. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 10 Fields apparatus. Incoming and Relays and contacts connected to the equipment must have reliable and Outgoing Signals effective interference suppression. This also applies to other equipment within 3 meters of the equipment. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 11: Declaration Of Conformity

    Characteristics of Information Technology Equipment. EN 60950:1992, Safety of Information Technology Equipment. April 30, 2004 Date Benny Shaya, Director R&D/Operations Instruments Signature Being the responsible person employed and appointed by Vishay Transducers. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 12: About This Document

    About this Document About this Document This document explains how to use and service the VT400 Weight Indicator. It is intended for technical staff tasked with installing, setting up, configuring and monitoring the indicator, as well as troubleshooting and servicing it.
  • Page 13 Notes, which offer an additional explanation or a hint on how to overcome a common problem. Warnings, which indicate potential safety hazards regarding product operation or maintenance to operator or service personnel. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN xiii...

  • Page 14: Technical Specifications

    Dead load, span and scale parameters via keyboard commands. Calibration can be performed either by weighing or by entering load cell mV values. Self diagnostics Hardware and software, MCU watchdog, memory failure, I/O failure, program check. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 15: Analog Input

    0.02-10V. Min load resistance 1KΩ (This is the default output). Resolution • Internal: 16 bits. • External: 16 bits, or in accordance with regulation. Linearity Better than 0.01% of FSR. Thermal stability 50ppm/°C typical. Short-circuit 25mA indefinite duration. protection VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 16: Digital Input

    Output voltage 24 VDC ±10% transistor (source) darlington, positive common. Max current 100mA, leakage current 100µA. Max off-state voltage 30VDC. On delay 2msec max. Off delay 2msec. Both outputs are optoisolated to 2.5KV. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 17: Installation

    The indicator is panel-mounted. The cut-out dimensions for panel installation are 136.5mm x 66.5mm. The front and rear views of the unit are shown in Figure 1. Figure 1 – Front and rear views of the VT400 VT400 Technical Manual, Rev. A5...

  • Page 18: Wiring

    COM 1 DB9 male DB15 fem Description Excitation (-) Sense (-) Sense (+) Excitation (+) Signal (-) Signal (+) D-Type Metal Case (Shield) Calib. Enable Figure 2 – Load cell connection diagram VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 19: Load Cell Operating Parameters

    Serial GND BRN Printer WHI DTR DTR WHI DB9 FEM Shield Metal Max 15m Case BRN GND GND BRN WHI DTR DTR WHI Figure 3 – Printer and PC cables connection diagram VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 20: Rs485 Cable Connections

    Figure 4 – RS485 cable connection diagram 2.5 Connecting Power VT400 indicators are powered from an external power supply (24VDC) or battery. Power should be isolated from other data processing equipment. Verify that the AC power socket outlet is properly protected. For optimum EMC performance, keep the length of cable shielding inside the enclosure as short as possible.

  • Page 21: Display, Keys And Menus

    Connecting Power 3 Display, Keys and Menus DK 0199.62 The VT400 front panel can be divided into three areas: A six-digit display that shows weight information, status information, and the names of menus and functions. Six keys, used to perform the most common functions and access a function menu with more advanced options.

  • Page 22: The Display

    Software model number, shown during the power-up sequence. XXXXXX Software version issue date, shown during the power-up sequence. 888888 Display self-test, performed during the power-up sequence. ZeRO Automatic or manual zeroing is being performed. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 23: Front Panel Keys

    Up. Increments (adds one) to the current digit, or moves to the previous menu option in setup. Enter. Confirms the current operation or the information entered. Down. Moves to the next menu option in setup. Function menu. Enters the function menu. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 24: Editing Multiple Digits

    Assuming you entered 4 for the left-hand digit, the display should now show Fn 43. 6. Press (PRINT) to confirm. The operation associated with the function number you entered is performed. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 25: Function Summary

    Press PRINT again to enable. The display shows Pro on briefly. The selection is lost when the unit powers down. Section 8.1.1 Changing PIN. Used to change the current Personal Identification Number that enables access to the calibration procedure. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 26 Display segment test. All digits go through 0-9 display routine in sequence, after which the character set is displayed. Keyboard test. Display blanks. The scan code of any key pressed is shown Section 8.2.2 on the display. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 27: Setup Menus

    The menus displayed depend on whether jumper JP1 is in the sealed position or not (see section 4.4). If it is sealed, the following menus are hidden: Par, CAL, INIT and A-CAL. 5. To enter a menu, press PRINT ( VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 28: Menu Structure

    Lock ZERO key ( 0=NO 1=YES Lock TARE key ( 0=NO 1=YES Lock P.TARE key ( 0=NO 1=YES Lock PRINT key ( 0=NO 1=YES Lock TOTAL key ( 0=NO 1=YES Lock FUNCTION key ( VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 29: Setup > Setup 2 (Com 1 Settings)

    1=YES communication with a PC. Operator print type change (Fn 20-30) 0=NO 1=YES Data bits serial channel 1. 17=7 data bits/even parity 08=8 data bits/no parity Baud rate is 2400 by default. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 30: Setup > Setup 3 (Com 2 Settings)

    If input is low, setpoints are inactive. • 95 – When input is low, scale 1 is selected and displayed. When input is high, scale 2 is selected and displayed. • 96 – Reset scale to zero. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 31: Setup > Setup 5 (Setpoints)

    100.00, and absolute mode is set, AOUT=10mA. In normal mode, AOUT=0mA, regardless of the negative reading. Error output level. Specifies whether scale errors should be 0 = Low (0mA) indicated as a low or high signal. 1 = High (24mA) VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 32: A-Cal (Analog Output, Cont.)

    Resolution. Specifies whether output should be in high 0 = Display resolution if the display is showing high resolution. 1 = Internal Operation. Enables and disables the analog output. 0 = Disabled 1 = Enabled VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 33: Calibration

    Before you can calibrate the scale, you must ensure that jumper JP1 is not in the sealed position (see section 4.4). There are two ways to calibrate the VT400: Standard weights calibration, in which you record the center of zero, and then place a known weight on the scale and enter its weight (see section 4.1).

  • Page 34: Span Calibration

    After calibrating the scale, you must save the values in permanent memories by entering the setup menus and selecting the STORE option (see section 4.3). It is also advised to lock calibration (see section 4.4). VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 35: Calculating Calibration Values

    ) to edit the current digit and TARE ( ) to move to the next digit. 5. Press PRINT ( ) to record the zero calibration value. The display shows the corresponding weight. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 36: Span (Max. Capacity) Calibration

    CAL-Nr and may not be removed without destroying it. Seals bear the verification mark of a notified body or alternative mark of the manufacturer according to Annex II, section 2.3 of the Directive 90/384/EEC. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 37: Sealing Indicator Enclosure With Stickers

    A lead wire seal or hard plastic sticker, to prevent unauthorized tampering with the load cell connector (Figure 6) Figure 5 – Non-removable sticker Figure 6 – Lead wire seal / hard plastic sticker VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 38 Refer to Figure 7 below for the non-removable sticker, and to Figure 8 for the lead seal / non-removable sticker. You must apply both stickers. Non- removable sticker Non- removable sticker Non- removable sticker Figure 7 – Desktop model, sealing with non-removable sticker VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 39: Securing Load Receptor

    To check seal status and audit trail counter: Execute function 48. If JP1 is currently in the sealed position, the word SEALED appears on the display briefly. Following this, the audit trail counter is displayed. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 40: General System Parameters

    General System Parameters PAR Menu 5 General System Parameters Two of the VT400 setup menus provide access to general system parameters, which affect how the scale operates: The PAR menu contains parameters including the number of display digits, the position of the decimal point, the A/D gain and the zero range (see section 5.1).

  • Page 41: Par Menu Parameters

    First two digits of weighing range, defining the limit 00-99 between the 2 weighing ranges, the lower display division is automatically selected. If set to 00, disables interval / range. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 42: Setup 1 (Inside Setup Menu)

    Lock ZERO key ( 0=NO 1=YES Lock TARE key ( 0=NO 1=YES Lock P.TARE key ( 0=NO 1=YES Lock PRINT key ( 0=NO 1=YES Lock TOTAL key ( 0=NO 1=YES Lock FUNCTION key ( VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 43: Serial Communication

    SETUP menu. 6.1 Serial Ports Configuration VT400 has two serial ports, designated port 1 and port 2: Port 1 is an RS232 port. Port 2 is an optional port installed on order, and can be either RS232 or RS485.

  • Page 44: Setting Port Output Parameters

    Works with ports 1 and 2 (RS232 or RS485). Net weight and status information is transmitted continuously. No handshake is required. Used mainly for remote display or PC. The structure of the transmitted data block is shown below. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 45: Print On Demand

    When Alibi mode is active (2.t=03), these operations can be executed. Transmit Displayed Weight This is executed when ASCII character ? (3F hex) is received. The output data block is as shown below: VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 46: Command "Zero

    It can also transmit more than just the weight measurement shown on the display, because it sends data according to the currently-selected print format. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 47: Remote Printer Output

    Block check character (XORSUM of all data characters STX, ETX inclusive). Remote Printer Output 6.3.7 Works with Port 2 (RS232 or RS485). Used to transmit the data printed on the local printer to a remote printer. No handshake is required. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 48: Master-Slave Protocol Output

    65 and 90 [A-Z], you specify that the indicator should participate in a network of several indicators. The number set in 3.t is this indicator’s network address. For more details on the master-slave protocol supported by the VT400, see Appendix B. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 49: Outputs And Digital Input

    Outputs and Digital Input Specifications 7 Outputs and Digital Input The VT400 is able to interface with weighing automation systems, using two optoisolated outputs (digital setpoints) and one digital input. There is also an analog output configuration. The digital outputs (setpoints) are triggered when the scale reads an upper weight threshold, defined by the user.

  • Page 50: Connecting Digital Outputs And Tilt Switch

    Setpoints can be either normally open or normally closed, depending on how it was defined in setup. To edit weight thresholds for both setpoints: Press FUNCTION ( ). The display shows Fn 00. The left zero flashes. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 51: Parameters For Digital Outputs

    Setpoint 2 output. 5.3=0 and 5.4=0: normal 5.3=1 and 5.4=0: zero 5.3=0 and 5.4=1: net Net / gross for both setpoints. 0=net 1=gross Normally open / closed for both setpoints. 0=normally open 1=normally closed VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 52: Configuring Analog Output

    In order to use analog output, the option PCB (PCB 761) must be connected to the VT400 as follows: To ST5 socket in the one side and to the rear panel in the other side, using the mounting posts/spacers provided.

  • Page 53: Setting Analog Output Parameters

    (normal mode) or the absolute value of the negative reading (absolute mode). For example, if the display shows - 100.00, and absolute mode is set, AOUT=10mA. In normal mode, AOUT=0mA, regardless of the negative reading. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 54 Resolution. Specifies whether output should be in high 0 = Display resolution if the display is showing high resolution. 1 = Internal Operation. Enables and disables the analog output. 0 = Disabled 1 = Enabled VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 55: Using The Tilt Switch

    If input is low, setpoints are inactive. 95 – When input is low, scale 1 is selected and displayed. When input is high, scale 2 is selected and displayed. 96 – Scale is reset to zero. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 56: Service Operations And Testing

    (for more information, see section 4.4). Use the procedure below to see the current value of the counter and the current position of the jumper. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 57: Viewing Load Cell Mv (Function 80)

    1.4 – TARE. 1.5 – P.TARE. 1.6 – PRINT. 1.7 – TOTAL. 1.8 – FUNCTION. Keys you lock will not work (i.e. if a user presses them nothing will happen) until you unlock them. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 58: Testing The Indicator

    The scan codes are as follows: 32 – TARE. 33 – P.TARE. 34 – PRINT. 35 – TOTAL. 36 – FUNCTION. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 59: Testing Digital Input And Outputs (Function 93)

    COM 2. 3. Connect a PC or another device to one or both of the indicator’s ports, and begin transmitting data. Watch the display to see if the data is received properly. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 60: Troubleshooting

    PRINT ( ) to for some other reason. retry. If you can’t bring the printer online, and you would like to use the indicator anyway, press ZERO ( VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 61: Checking Load Cell Connection

    9.2 Checking Load Cell Connection If there appears to be a problem with the load cell connection: Check input and output resistance. Check resistance between any terminal and shield. Check load cell connection and cable. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 62: Checking Power Supply

    If the output connects to another device, check if the signal was received. 5. Connect a device to the digital input, and send a signal. See if the data appears in the first digit. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 63: Appendix A: Technical Drawings

    Power Power Power Input Analog 0-10VDC or Input Filter Supply Output 9-15VDC 0-20mADC Analog to Power On-Off Digital 24VDC PCB 801 EXTERNAL Conv. (ST9) J4 Sel. Current or Voltage Output PCB 761 VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 64 Output 1 (Shield) Signal (+) 5,13 Power in GND Output 2 NOTE: Short pins D-Type Metal Case D-Type Metal Case Output 8,9 for termination (Shield) (Shield) Common (+) resistor (120R) connection Calibration Enable VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 65 + SEN - SEN - EX IOUT+ TER. SEL. VOUT+ VOUT- or IOUT- SGND POWER IN (24 VDC) SHLD NOTE: PCBs are drawn as Select Current or viewed in the housing. Voltage Output VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 66 MAX 15m Digital Outputs Power & BRN GND To PC Imax=100m To VTx00 Setpoints GND BRN RS232 Connector Connector WHI DTR DTR WHI & T & PC C IGITAL UTPUTS ONNECTIONS RINTER ABLES VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 67: Appendix B: Master-Slave Protocol

    1 start bit, 7 data bits, 1 even parity bit, and 1 stop bit. 6 data bits are used for the communication; The 7th data bit serves as the start-of- message delimiter in the address byte. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 68 0 x x x x x x iv. Communication Process Overview The main type of master-slave communication between the host and the VT400 processor is when the master addresses a slave unit with a request for information, and the slave responds by transmitting the data requested by the master.
  • Page 69 0.2 sec Data Read Setpoint Values 0.2 sec Data Force Setpoint Outputs 0.2 sec Echo Enable Setpoint Outputs 0.2 sec Echo Upload Error Code 0.2 sec Data Download Function 0.2 sec Echo VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 70 1=Net 1=OUT 0 Command: Reset Slave Resets the slave to its power-on condition. Master Transmission ID SLAVE XXXXXX XXXXXX: These bytes are not used; fill with Space character (20h). Slave Response None VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 71 These bytes are not used; fill with Space character (20h). Slave Response ECHO 3 Command: Download Setpoint Values This command downloads setpoint values from the master and saves them in the slave’s memory. VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 72 XXXXXX: These bytes are not used; fill with Space character (20h). Slave Response ID SLAVE 12---- 1,2: Status of setpoints 1 and 2: 0 if setpoint is off, 1 if setpoint is ----: Space characters (20h) VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 73 Error codes are listed in 9.1. Master Transmission ID SLAVE XXXXXX XXXXXX: These bytes not used; fill with Space character (20h). Slave Response ID SLAVE EE---- EE: Error code (ASCII) ----: Space characters (20h) VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 74 These commands download parameters from a host, for setup and calibration of the VT400. Refer to Section 3.4.3 for details on these parameters. See the end of this section for information on uploading setups from a slave device to the host machine.
  • Page 75 Download Setup 1,2,3 Echo Upload Setup 1,2,3 Data Download Setup 4,5 Echo Upload Setup 4,5 Data Download Serial Port 2 Echo Configuration Upload Serial Port 2 Data Configuration Write to EEPROM None VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 76 Set First two digits ASCII hex of weighing range Conversions ASCII hex per second Bit 8.1 Bit 8.2 Bit 8.3 Bit 8.4 Bit 8.5 Bit 8.6 Bit 8.7 Bit 8.8 VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 77 0010 = 5 0011 = 10 0100 = 20 0101 = 50 0110 = 100 0111 = 200 5.P (b7-b4) Digital filter 0000=min to 0101=max 7.P (b3-b0) Number of 0000=min to motion 0110=max samples VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 78 2, 2L Linefeeds after 2 digits (ASCII) hex printout Analog output 2 most significant FULL digits, ASCII hex (no decimal point) Analog output 2 least significant FULL digits, ASCII hex (no decimal point) VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 79 Command Word Bit Number to be Set SETUP 1 SETUP 2 SETUP 3 ` and . Commands: Download/Upload Setup 4,5 Data Byte Parameter Parameter Bit Command Word Bit Number to be Set SETUP 4 VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...
  • Page 80 Data bits ASCII hex * Command: Write to EEPROM This command records the setup and calibration data sent to the VT400 via the other setup commands in this section, and resets the indicator. No ACK block is transmitted in this communication.
  • Page 81 Upload of Setup Parameters: Message Formats Master Transmission ID SLAVE COMMAND XXXXXX XXXXXX: These bytes not used; fill with Space character (20h). Slave Response ID SLAVE COMMAND W1 (2 bytes) W2 (2 bytes) W3 (2 bytes) VT400 Technical Manual, Rev. A5 Doc # UM-VT400-EN...

  • Page 82: Contacting Vishay Transducers

    E-MAIL: vt.us@vishaymg.com E-MAIL: vt.il@vishaymg.com Asia Vishay Transducers Taiwan (Asia except China) Vishay Transducers China 15 Fl, No. 86, Sec. 1 Sintai 5 No. 5 Binguan Nan Dao Youyi Rd., Hexi District, Shijr City, Taipei, 22102, Taiwan R.O.C Tianjin China, Code 300061...

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