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Vishay DXP10 Operator's Manual

Weigh transmitters, weigh system technology
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BLH
DXP10/15 Weigh Transmitters
Operator's Manual
TM002
RevG
6/1/11
Doc 35102

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Summary of Contents for Vishay DXP10

  • Page 1 DXP10/15 Weigh Transmitters Operator’s Manual TM002 RevG 6/1/11 Doc 35102...
  • Page 2 NOTICE BLH makes no representation or warranties of any kind whatsoever with respect to the contents hereof and specifically disclaims any implied warranties or merchantability or fitness for any particular purpose. BLH shall not be held liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this publication or its contents.

  • Page 3: Table Of Contents

    Table of Contents SECTION 1. General Information ........................1-1 INTRODUCTION ............................1-1 1.1.1 General Description..........................1-1 1.1.2 Standard Instrument..........................1-1 OPTIONS ..............................1-1 1.2.1 Mounting Options..........................1-1 1.2.2 Optional Terminal Computer Interface....................1-1 1.2.3 Optional Modbus RTU Interface......................1-2 1.2.4 Optional Fisher ProVox Protocol ......................
  • Page 4 3.3.1 Digital Calibration..........................3-1 3.3.2 Analog Calibration..........................3-2 3.3.3 Monitor Mode Calibration........................3-2 3.3.4 LCp-40 Calibration..........................3-2 CHECK CAL ............................. 3-5 FILTER SELECTION ..........................3-6 3.5.1 Standard Filter............................3-6 3.5.2 Optional Digital Filtering........................3-6 Factory Default Calibration ........................

  • Page 5: General Information

    SECTION 1. General Information Class I, II, Division 2, Group A-G hazardous 1.1 INTRODUCTION location requirements and are optionally available with FM and CSA approvals and 1.1.1 General Description certifications. The DXp-10 and DXp-15 (Figure 1-1) are 1.2 OPTIONS microprocessor based weight transmitters. DXp- 10/15 transmitters sum and convert the millivolt 1.2.1 Mounting Options signal from up to four strain gage type load cells...

  • Page 6: Optional Modbus Rtu Interface

    DXp-10/15 calibration, and programming or main ladder logic program without using BCD or recall of weight variables (gross, net, tare, zero, serial interface cards. A simple three wire RIO etc.) An on-line help function is available by network connection ties all units together, even if transmitting an ASCII Ir.
  • Page 7 Temperature Coefficient Span 2ppm/°C Zero ± 2ppm/°C Common Mode Rel. 100 db or better at or below 35Hz Normal Mode Rej. 100 db or better at or below 35Hz Conversion Speed DXp-10 400 msec DXp-15 50 msec Environment Operating Temperature -10 to 55°C (12 to 131°F) Storage Temperature -20 to 85°C (-4 to 185°F) Humidity...

  • Page 8: Ordering Specifications

    1.4 ORDERING SPECIFICATIONS DXp-10 or DXp-15 [M]-[C]-[P]-[S] Includes: RS 485 Serial Output [M] Mounting NEMA 4 Painted — standard NEMA 4X Stainless Steel NEMA 7 & 9 Explosion-Proof Class I, H, Div. 1,2 Grp. B—G #1 & FM/CSA Approved [Class l, Div 2, Group ABCD FG] #2 &...

  • Page 9: Installation

    SECTION 2. Installation instrument should be installed in a vibration-free 2.1 INTRODUCTION location within the normal length of the load cell cables. If conduit is used, drains should be 2.1.1 General. provided to reduce the possibility of condensate The DXp-10/15 is designed to 'installed within the entering the enclosure.

  • Page 10: Electrical

    Figure 2-2. Load Cell Connections. 2.3.2 Serial Communication. 2.3 ELECTRICAL If a deadweight or substitution method of calibration is being used, the load cal cable can be 2.3.1 Transducer Inputs. shortened as required. The leads should be re- Up to four load cells can be connected to the tinned before the final connection is made.

  • Page 11: Analog Output

    can be switch selected to operate at 115 or 220 2.3.3 Analog Output. VAC (see SW1, Figure 2-4). Before connecting When the analog option is installed (shown, power to the unit, verify that the proper power Figure 2-3), a three position terminal connector selection has been made.

  • Page 12: Configuration

    SECTION 3. Configuration 3.2.2 Excitation Voltage. 3.1 GENERAL All units are shipped from the factory set for 10 Set-up and calibration of the DXp-10/15 is volt excitation. accomplished by an operator without programming using the DIP switches, push- 3.2.3 Serial Format, Address, and buttons, and toggle switches within the unit.

  • Page 13: Analog Calibration

    point, 5 point linearization and other values can 3.3.2 Analog Calibration. be established from the host device. Help The analog output is calibrated independently of messages also can be accessed at any time to the digital calibration and can be set using span aid in the set-up process.
  • Page 14 [3]. Load System. [2]. Establish Zero Reference/First Span Point. Apply a known ―live‖ weight value to the Make sure that all dead weight (vessel, scale/vessel or input a known mV/V signal mixer, pipes, etc.) is applied as it will be from a BLH 625 calibrator to the DXp unit.
  • Page 15 Table 3-3A. Setup in Monitor Mode. ASCII Command in Serial Output Explanation Order of Operation Set Monitor Mode Access Monitor Mode Setup Access Setup to Enter/Alter System Parameters 5000 – CAP LB Modify Setup M-I or D 500.00 (flashing) Modify Capacity CAP LB I or D 400.00...

  • Page 16: Check Cal

    Table 3-3B. Calibration in Monitor Mode ASCII Command in Order of Serial Output Explanation Operation Enter Calibration Mode Zero Setting ZERO Acquire Zero Acquire CLEAR Clear Old Span Point(s) M-Z or E SPANS Span Setting 5100.00 Span 1 Value 166329 Internal Counts SPANS Skips Span...

  • Page 17: Filter Selection

    Table 3-4. Check Cal Percentage Selection/Module Position. Module Resistance 1 Cell 2 Cells 3 Cells 4 Cells Position (ohms) 13400 125% 114% 94800 125% 125% 110% 15800 125% 70400 546000 395000 309000 237000 125% Percent of Full Scale (2 mV/V) Output when Check Cal Button is Pressed. 3.5.2 Optional Digital Filtering.

  • Page 18: Factory Default Calibration

    selection. After selecting a filtering parameter, Setting (Flashes) Conversions Averaged choose an averaging value (Table 3-6 lower portion). Select averaging by holding the toggle switch to increment or decrement to access the selection mode. Press the ENTER button to change. The OPTION STATUS LED flashes to indicate the selection number (14 flashes).

  • Page 19: Serial Communication

    SECTION 4. Serial Communication interface is much greater than simple analog 4.1 GENERAL current or voltage approximates. Simplex The DXp-10/15 is equipped with a variety of outputs are transmitted in the format on page 4- standard and optional serial output formats that 2, top left-hand column.

  • Page 20: Computer/Terminal Interface (Optional)

    Figure 4-1. Serial Communication Parameter Selection Switch. 4.1.3 Computer/Terminal Interface (Optional). This half duplex (transmit and receive) format is designed for two way communication between a single D4-10/15, or a network of DXp-10/15 units, and a computer/terminal. Protocol accommodates all operations such as gross, net, tare, zero, as well as remote set-up, calibration, and filter selection.
  • Page 21 Table 4-3b. Computer/Terminal Interface Protocol. ASCII Description Action Response Command Set Monitor Mode Transmit display each update Instrument display output Lower Display/sp/Upper Display/CR Set Mode for Remote Turn off Auto Temperature Inhibit Compensation Cycles Of Temperature Conversions Set Mode for Automatic Turns on Temperature Temperature Compensation Cycles (note 1)

  • Page 22: Modbus Btu Protocol (Optional)

    installed and enabled (DIP switch position 8 = 4.1.4 MODBUS BTU Protocol OFF), interface parameters must be selected (Optional). using the DIP switch configurations shown in Figure 4-2 MODBUS is a protocol developed by Modicon Inc. for communication between programmable If the MODBUS option is installed but not controllers and operator stations which support enabled, DIP switch selections will function as...
  • Page 23 40065 1 GROSS 40002 1 40034 2 40066 2 40003 1 40036 2 40068 2 DXP10/15 READ/WRITE REGISTERS (Functions 03, 06-format #1 only, 16) READ/WRITE FORMAT #1 FORMAT #2 FORMAT #3 ADR #REG ADR #REG ADR #REG TARE 40004 1...
  • Page 24 IN ANALOG CAL IN DIGITAL CAL ACQUIRING CAL DATA FILTER BEING CHANGED EEPROM CODE ERROR - DEFAULT DATA LOADED EEPROM READ ERROR EEPROM WRITE ERROR EEPROM DATA ERROR - FAULTED DATA REPLACED WITH DEFAULT DATA ZERO LIMIT, FILTER, & MOTION SETIINGS ZERO LIMIT (note on next page) Setting % of capacity...

  • Page 25: Fisher Provox Protocol (Optional)

    NOTE: Hardware requirement - An external 4.1.5 Fisher ProVox Protocol hardware converter is required to change the (Optional) DXp-15 RS-485 output to 20 mA current loop for interface with the ProVox CL6921 card. DXp-15 transmitters may be ordered with the Fisher ProVox protocol.

  • Page 26: Allen-Bradley Remote I/O (Optional)

    4.1.6 Allen-Bradley Remote I/O (Optional). DXp-15 transmitters are available with the Allen- Bradley Remote 110 interface option. This option is available via a technology licensing agreement between BLH and Allen-Bradley. Functionally, this interface allows up to 8 BLH DXp-15 transmitters to communicate with an AB PLC-5 or SLC-5 programmable logic controller using discrete data transfers.

  • Page 27: Operation

    SECTION 5. Operation addition of live weight, or a container, before 5.1 GENERAL adding a specific amount of material. Tare is As a stand-alone unit (no terminal, computer, or used to establish a zero reference in net mode. LCp-40), either analog or digital, the DXp-1W15 5.5 TARE OPERATION typically transmits only gross weight data upon power-up.
  • Page 28 DXp-10/15 Power-Up/EEPROM Errors LCp-40 Display DXp-10/15 CPU Description Action Status LED ―EE DFAULT‖ 1 Blink Default data loaded into Press Reset on DXp-10/15 EEPROM (New EEPROM) Press exit on LCp-40 ―EE WRITE‖ 2 Blinks EEPROM write error Press Reset on DXp-10/15 Press exit on LCp-40 ―EE READ‖...
  • Page 32 Appendix C: Wiring and Outline Drawings Customer Wiring Diagram Standard Unit Outline Explosion-Proof Enclosure Outline...
  • Page 37 Appendix E Remote Calibration Using an LCp-40, 41, or 42 DXp-10/15 transmitters can be calibrated and configured remotely using an LCp-40 series network controller. Remote calibration/configuration provides the advantage of displaying parameter entries for maximum setup accuracy. The following pages present flow diagrams for each available remote parameter entry.
  • Page 42 3 Edgewater Drive, Norwood, MA 02062 U.S.A. Phone (781) 298-2200 Fax (781) 762-3988 www.vishaypg.com...

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