NSD NCV-20NBNVP Specifications & Instruction Manual
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NSD NCV-20NBNVP Specifications & Instruction Manual

Absocoder converter
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ZEF004472603
ABSOCODER CONVERTER
NCV-20NBNVP
NCV-20NGNVP
Specifications & Instruction Manual
Applicable sensor:
VRE-P028
VRE-P062

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Summary of Contents for NSD NCV-20NBNVP

  • Page 1 ZEF004472603 ABSOCODER CONVERTER NCV-20NBNVP NCV-20NGNVP Specifications & Instruction Manual Applicable sensor: VRE-P028 VRE-P062...

  • Page 3: Handling Precautions

    - Be sure to store the controller in designed temperature and humidity CAUTION range, and do not exposed to direct sunlight. - Be sure to consult with NSD when the controller is stored for long - Be sure to handle the controller as industrial waste while periods.
  • Page 4 < NCV-20NBNVP and NCV-20NGNVP Specifications & Instruction Manual Revision History> * The Document No. appears at the upper right of this manual's cover page. Document No. Date Revision Description ZEF004472600 20, Sep., 2005 1st Edition Japanese document: ZEF004472101 ZEF004472601 19, Oct., 2005 2nd Edition Modification of the contents (p.

  • Page 5: Table Of Contents

    CONTENTS 1. SUMMARY................................1 1-1. Features ................................1 2. CONFIGURATION ..............................2 2-1. Model List................................3 3. SPECIFICATIONS ..............................4 3-1. Converter Specifications ............................4 3-2. ABSOCODER Sensor Specifications.........................6 3-3. Extension Sensor Cable Specification .......................6 4. DIMENSIONS ................................7 4-1. Converter ................................7 4-2. ABSOCODER Sensor............................8 4-3. Extension Sensor Cable ..........................10 5.

  • Page 6: Summary

    An origin returning operation is not required. (2) Superior durability NSD's original ABSOCODER is used as the position sensor which features a no-contact construction for excellent durability. This sensor offers problem-free operation, even in environments where it is exposed to vibration, impact shocks, extreme temperatures, oil, and dust.

  • Page 7: Configuration

    2. CONFIGURATION 1) Converter Connector at cable side (It is included in the External output signal converter.) -Position data MR-25F：Soldered socket -Latch pulse Power MR-25L：Cover -Sensor disconnected Supply Connectors are manufactured +24V by Honda Tsushin Kogyo Co., LTD. Ground External input signal -HOLD 3) Extension sensor cable 2) ABSOCODER sensor...

  • Page 8: Model List

    2-1. Model List Items Models Descriptions Converter NCV-20NBNVP Position data binary output NCV-20NGNVP Position data gray binary output ABSOCODER VRE-P062SAC Servo-mount type, Flat shaft shape sensor VRE-P062SBC Servo-mount type, Key way shaft shape VRE-P062FAC Flange-mount type, Flat shaft shape VRE-P062FBC...

  • Page 9: Specifications

    Book-shelf type within enclosure, DIN rail mountable Outside dimension (mm) 39(W) x 155(H) x 93(D) Refer to dimensions for details. Mass Approx. 0.4kg (2) Performance Specification Items Specifications Converter model NCV-20NBNVP NCV-20NGNVP VRE-P028 Applicable sensor VRE-P062 Total number of divisions 8192 (2 Output code 13-bit...
  • Page 10 (3) Input / Output Specification Items Specifications Input signals HD (Position data HOLD): 1 point Input circuit DC input, photo-coupler isolation Input logic Negative logic Rated input voltage ± Input 24VDC Rated input current 10mA(24VDC) ON voltage 10VDC or more OFF voltage 4VDC or less D0 to D12 (Position data): 13 points...

  • Page 11: Absocoder Sensor Specifications

    3-2. ABSOCODER Sensor Specifications VRE-P028, VRE-P062 Items Specifications Sensor model VRE-P028 VRE-P062 Total number of turns Number of divisions 8192(2 Mass 0.25 kg 0.13kg Linearity error 1.5° Max. 1° Max. 9.3 x 10 kg-m 6.4 x 10 kg-m Moment of inertia GD /4(J) (9.5 x 10 kgf-cm-s...

  • Page 12: Dimensions

    4. DIMENSIONS 4-1. Converter Units: mm Mounting hole Units: mm ● In the case of using Converter mount fixture (NCV-K1)

  • Page 13: Absocoder Sensor

    4-2. ABSOCODER Sensor Units: mm...
  • Page 14 Units: mm...

  • Page 15: Extension Sensor Cable

    Units: mm 4-3. Extension Sensor Cable Units: mm 3P-S-0102-[L]／3P-RBT-0102-[L]...

  • Page 16: Installation

    5. INSTALLATION The installation conditions and precautions for each of the system components are described in this section. 5-1. Converter Installation Conditions and Precautions -Installation Site (1) Avoid sites where the unit is exposed to direct sunlight. (2) The ambient temperature should never exceed a 0 to 55°C range. (3) The ambient humidity should never exceed a 20 to 90% RH range.

  • Page 17: Absocoder Sensor Installation Conditions And Precautions

    5-2. ABSOCODER Sensor Installation Conditions and Precautions The installation conditions and precautions for ABSOCODER sensor are described in this section. -Handling of Turn-type ABSOCODER Item Explanation 1) Main unit 2) Cable -Mounting of Turn-type ABSOCODER Item Explanation Precaution 1) Mounting For details regarding mounting dimensions, refer to each sensor dimensions.
  • Page 18 -Mounting of Turn-type ABSOCODER Item Explanation Precaution 1) Coupling of machine A “direct-link” format will shaft and sensor result in shaft fatigue shaft and / or breakage after long periods. Therefore, be sure to use a coupling device to link the shafts. 2) For gear-type linkage Incorrect gear mounting can result in shaft...
  • Page 19 -Mounting of Turn-type ABSOCODER Item Explanation Precaution 5) Shaft mounting position -Coupling of Turn-type ABSOCODER Item Explanation Precaution 1) Coupling device The selection of a selection precaution larger coupling than necessary will increase the shaft load which is caused by the mounting error amount.

  • Page 20: Ce Marking

    5-3. CE Marking NCV-20 series conforms to CE Marking (EMC directive), but stands outside scope of the low voltage directive because it is 24 VDC power apparatus. 5-3-1. EMC Directives It is necessary to do CE marking in the customer’s responsibility in the state of a final product. Confirm EMC compliance of the machine and the entire device by customer because EMC changes configuration of the control panel, wiring, and layout.

  • Page 21: Wiring

    6. WIRING 6-1. Connection between Converter and ABSOCODER Sensor The maximum extension sensor cable length varies according to the ABSOCODER sensor and cable model being used. Please refer to the 3-2 for details. -Wiring Precautions (1) The sensor cable should be clamped as shown in the right figure to prevent excessive tension from being applied to the cable connectors.

  • Page 22: Power Supply Connection

    6-2. Power Supply Connection The power supply should be connected as described below: (1) Power Supply -The rush current is 10A(rush time of 20ms), so select the power supply after due consideration. Power +24VDC Over current Choose the capacity of the power supply over protector Supply double of power consumption of converter.

  • Page 23: Input / Output Connector Connection

    Lead wires should be soldered to pins of the connector according to the I/O chart below. Input / Signal Names Descriptions Output (LSB) NCV-20NBNVP: Output the position data by 13 bit of binary code. NCV-20NGNVP: Output Output the position data by 13 bit of gray binary code. D0 ：LSB（Least Significant Bit）...
  • Page 24 ●I/O Circuit Converter internal circuit Input/output circuit is isolated from power supply and internal circuitry by photo-coupler. Use a 24VDC, 8A or less Class 2 power supply for the input/output external power supply.

  • Page 25: Nomenclature

    7. NOMENCLATURE 7-1. Part Identification Monitor LEDs -Position data output indicator -Sensor disconnection indicator -Latch pulse indicator -HOLD input indicator Power terminal block -M4 screw Current position value setting switch I/O connector Sensor connector 7-2. Function and Name of Display and Setting Area Rear face LED function for monitor Switch...

  • Page 26: Operation

    8. OPERATION 8-1. Operation Sequence START Function selector switch setting Designate the following setting by a switch which is at rear face of the converter. -------- Refer to section 8-2, 8-3. (1) Position data "increase direction" setting (2) Position data reading setting Converter mounting -------- Refer to section 5-1.

  • Page 27: Position Data "Increase Direction" Setting

    8-2. Position Data "Increase Direction" Setting The position data increases or decreases according to the ABSOCODER sensor's rotative direction (travel direction). The direction in which the position data increases is specified by a switch on the converter's rear face. Switch setting Increase Switch setting Alteration of the position data...

  • Page 28: Position Data Reading Setting

    8-3. Position Data Reading Setting (1) Function setting switch list The following two position data reading formats are available: 1) Latch pulse (LP) format…Reads position data which is updated regularly in synchronization with a latch pulse output signal from the converter. 2) HOLD (HD) format…Reads position data while position data updates are stopped by a HOLD input signal.

  • Page 29: Position Data Reading By Lp Output

    (2) Position data reading by LP output Position data reading is synchronized with the LP output signal from the converter. Either high-speed or low-speed reading can be selected. ●High-speed reading When high-speed reading is selected, the position data output stabilizes at the trailing edge of the LP output signal.
  • Page 30 ●Low-speed reading (at LP=HIGH) When low-speed reading (at LP=HIGH) is selected, the position data output stabilizes when the LP output signal is HIGH. The position data should be read at that time. Position data update Switch setting cycle 12.8ms 12.8ms 3.2ms 6.4ms 25.6ms...

  • Page 31: Position Data Reading By Hold (Hd) Input

    (3) Position data reading by HOLD (HD) input The HD input signal is used to HOLD position data outputs from the host controller. Either of the following 2 position data HOLD formats can be selected. ●Transparent format Position data output updating is stopped by an HD input signal from the host controller (PLC, etc.). The position data should be read at that time.

  • Page 32: Current Position Setting

    8-4. Current Position Setting The current position setting function changes the converter's position data output to a value that corresponds to the machine's current position. The position data can be changed to any desired value by using the rotary switch on the control panel. If an extension sensor cable is being used, the cable must be connected when performing the current position setting function.

  • Page 33: For Gray Binary Code Output

    (2) For gray binary code output <Current position setting procedure> 1) Secure the sensor to the machine, then move the machine to the desired position. 2) Obtain the position data that corresponds to the machine's current position. 3) Convert the position data obtained at step 2) above to gray binary code. 4) Use the control panel's rotary switches (in the D0 to D3 order) to specify monitor LED values that match the value converted at step 3) above.

  • Page 34: Maintenance And Inspections

    Check the signal. The wiring of the output signal has problems. Repair the wiring. If the troubleshooting procedures described above fail to solve the problem, the sensor or converter may be defective. In this case, please contact your NSD representative.

  • Page 35: Appendices 1. Ve-2B(G) And Ncv-20 Compatibility

    Appendix 1-2. Replacement Models The VE-2B (G) models and their corresponding NCV-20 replacement models are shown below. VE-2B(G) model NCV-20 model Description VE-2B NCV-20NBNVP Position data binary output for single-turn type of ABSOCODER sensor (VRE) VE-2BG NCV-20NGNVP Position data gray binary output for single-turn type of ABSOCODER sensor (VRE) Appendix 1-3.
  • Page 36 (2)Set of the function setting switch...

  • Page 37: Appendices 2. Ve-2A(G) And Ncv-20 Compatibility

    APPENDICES 2. VE-2A(G) AND NCV-20 COMPATIBILITY In the case of replacing VE-2A(G) with NCV-20, please refer to the following contents. Appendix 2-1. Procedure of Replacing VE-2A(G) with NCV-20 The following chart indicates the procedure of replacing VE-2A(G) with NCV-20. Procedure Description 1) Check the position data.

  • Page 38: Appendix 2-2. Replacement Models

    The VE-2A (G) models and their corresponding NCV-20 replacement models are shown below. VE-2A(G) model NCV-20 model Description VE-2A (VRE-P028) Position data binary output NCV-20NBNVP for single-turn type of ABSOCODER sensor (VRE) VE-2A (VRE-P062) VE-2AG (VRE-P028) Position data gray binary output NCV-20NGNVP...
  • Page 40 NSD Corporation 3-31-28, OSU, NAKA-KU, NAGOYA, JAPAN 460-8302 SG Corporation Overseas Group 3-31-23, OSU, NAKA-KU, NAGOYA, JAPAN 460-8302 Phone: +81-52-261-2352 Facsimile: +81-52-252-0522 URL: www.nsdcorp.co.jp E-mail: foreign@nsdcorp.co.jp Copyright©2006 NSD Corporation All rights reserved.

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