1. Manuals
  2. Brands
  3. NBK Manuals
  4. Industrial Equipment
  5. EPU-210
  6. Instruction manual

NBK EPU-210 Instruction Manual

Wired positioning units - modbus compliant
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Instruction Manual
Wired Positioning Units - Modbus Compliant

Advertisement

Table of Contents
loading

Related Manuals for NBK EPU-210

Summary of Contents for NBK EPU-210

  • Page 1 Instruction Manual Wired Positioning Units - Modbus Compliant...

  • Page 2: Introduction

    Introduction We wish to thank you for purchasing Wired Positioning Units - Modbus Compliant (EPU-210) from NBK. Carefully read this manual to ensure proper operation. "1. Safety Precautions" is an especially important section. Be sure to fully understand the contents of that section before use.
  • Page 3 Introduction Check the Packaged Items Main unit (x1) Hex socket set screw Simple Guide Terminating resistor Model: EPU-210 M5x6 (x1) 120 Ω (x1) * For host-side connection Instruction Manuals for Wired Positioning Units Prepare the following manuals according to the products you have purchased. All of the following PDF instruction manuals can be downloaded from our product page: https://www.nbk1560.com/en-US/products/mechatronics/positioning_unit ● Dedicated Software for Wired Positioning Units 　　・...
  • Page 4 Introduction Contents of This Manual This manual contains the following chapters. Chapter 1 Safety Precautions Contains important precautions to ensure safe setup settings. Chapter 2 Overview Explains the option products that can be mounted to a unit. Explains the names and functions, and how to read the product nameplate and number of each unit part. Chapter 3 Specifications Explains the specifications of units and high torque adapters (optional). Chapter 4 Installation and Connections Explains how to install units and options. Explains connection examples if using the unit alone, or the higher-level host is a PC or PLC. Chapter 5 Flow-Chart from Unit Wiring to Operation Explains the flow from unit wiring to operation if using the unit itself for settings and control, or the higher-level host is a PC or PLC.
  • Page 5 Introduction Chapter 9 Unit Settings and Control by PC Explains settings and control if using a PC as the higher-level host of the units. For more details, please refer to the "Dedicated Software (MOD-COM) Instruction Manual". Chapter 10 Unit Settings and Control by PLC Explains settings and control if using a PLC as the higher-level host of the units. It is useful as informational material for creating ladders. Chapter 11 Unit Replacement Explains the procedures for unit replacement due to malfunction or similar problem. For replacement procedures if using a PC as the higher-level host of the units, please refer to the "Dedicated Software (MOD-COM) Instruction Manual". Chapter 12 Appendix Provides mode transition flow-charts for all possible unit operations. For more details, please refer to Chapter 7 "Settings and Control by Unit Alone". Chapter 13 Maintenance Explains the important points and inspection items for periodic inspection in order to ensure safe equipment operation. Chapter 14 Troubleshooting Provides methods for resolving abnormalities resulting from an unidentified cause and restoring it to its normal status.

  • Page 6: Table Of Contents

    Contents Introduction Safety Precautions Essential Precautions Precautions Related to Installation and Wiring Work Precautions Related to Operation and Inspection Overview Product Overview Part Names and Functions Block Diagram Specifications Installation and Connections Installation Requirements Unit Installation 4.2.1 Installation of Unit Alone 4.2.2 If Using the Mounting Plates (Optional) 4.2.3...
  • Page 7 Contents Target Position Operation Mode 7.6.1 Overview of Target Position Operation Mode 7.6.2 Button Operations in Target Position Operation Mode Communication Settings (PC or PLC Connection) Unit Settings and Control by PC Overview of Unit Settings and Control by PC Flow from Installation to Operation 10 Unit Settings and Control by PLC 10.1...

  • Page 8: Safety Precautions

    Safety Precautions Essential Precautions To ensure safety, please thoroughly read the following precautions and understand correctly before using this product. (1) When setting up a system that includes wired positioning units, be sure to confirm the specifications of each equipment and device used in the system, and make sure that they are operated within their specified ratings and performance limits. Be sure to implement appropriate safety measures such as installing a safety circuit that minimizes danger even in the event of a failure. (2) To ensure safe operation of wired positioning units, be sure to thoroughly read the Safety Precautions for each equipment or device used in the entire system. (3) Customers are requested to confirm all standards and regulations that apply to the wired positioning units. (4) Improper handling or misuse may lead to an accident or shorten the service life of the product. (5) Unless otherwise stipulated by law, we shall not be held liable for any damages resulting from improper use by the customer or a third party, failures that occur during use, other defects, or damages caused by the use of this product. Safety precautions in this manual are classified as indicated below in order to prevent personal damage, and damage to the units and peripheral equipment.

  • Page 9: Precautions Related To Installation And Wiring Work

    Safety Precautions 1.2 Precautions Related to Installation and Wiring Work WARNING [Perform as Indicated in Order to Prevent Injury, Electric Shock, Fire, and Failure] ・ Be sure to install the product in a safe and secure manner to prevent fire or accidents in case of an earthquake.
  • Page 10 Safety Precautions CAUTION [Perform as Indicated in Order to Prevent Injury, Electric Shock, Fire, and Failure] ・ Ensure that the wiring work is correctly performed and install according to the specified procedure. ・ Be sure to use a DC power supply (+24 V) that provides stable operation to power a 24 VDC SELV circuit.

  • Page 11: Precautions Related To Operation And Inspection

    Safety Precautions 1.3 Precautions Related to Operation and Inspection WARNING [Perform as Indicated in Order to Prevent Injury, Electric Shock, Fire, and Failure] ・ When an error occurs, remove the cause, and check safety before restarting operation. ・ Be sure to perform maintenance and inspection on a monthly basis and ensure that adequate space is provided for such work.

  • Page 12: Overview

    Overview 2.1 Product Overview Wired Positioning Units - Modbus Compliant (EPU-210) This unit automates the positioning mechanism of the feed screw. By replacing the feed screw operation handle with the unit, it automates the positioning mechanism of various devices and equipment.

  • Page 13: Part Names And Functions

    Output shaft  * The conformity markings shown may vary  depending on the particular product number. Drives the rotating shaft Reading Product Numbers EPU-210-A-BL Case color BL: Blue Cable end specifications Series name BK: Black A: Loose wires EPU-210: Wired Positioning Units 210 Series B: Connector *You may not be able to specify a case color.

  • Page 14: Block Diagram

    Overview 2.3 Block Diagram Wired Positioning Units - Modbus Compliant (EPU-210) SET button NEXT button Plus button Low voltage  detection   MODE/ESC  Minus  circuit PREV button button button Terminating  RS-485 resistor Temperature  Seven- Current  Driver detection  segment  Memory detection  (Thermistor) display circuit Encoder Motor...

  • Page 15: Specifications

    20 to 85% RH (no condensation) Operating Pollution environment degree rating No greater than 2,000 m (6,600 ft) Elevation above sea level Wired Positioning Units - Modbus Compliant (EPU-210) Power supply voltage 24 VDC ±10% Standby 30 mA Current Rated 0.6 A consumption Max.
  • Page 16 Specifications Cable End Specifications EPU-210-A Cable end specifications: Loose wires Power  supply RS-485  wiring EPU-210-B Cable end specifications: Connector Pin No. Signal name Pin No. Shield Manufacturer Amphenol Corporation Product No. MSAS-04BMMB-SL7001 Specifications M12 A-code 4-pin shielded male E S C...
  • Page 17 Specifications Power Supply/Communication Cable Specifications Specifications: Material Oil-resistant PVC Sheath Outer diameter 5.4 mm (0.213 in.) Material Tin-plated annealed copper stranded wire Conductor Number of wires Size AWG25 Minimum bend radius 32.4 mm (1.276 in.) Cable length 1 m (3.3 ft) CAUTION Do not directly connect the product to an AC power supply.
  • Page 18 Specifications High Torque Adapters (EOAT-200) (Optional) Product No. EOAT-200-4 EOAT-200-8 Gear ratio Rated torque 2.7 N m (23.8 lbf in.) 5.4 N m (47.7 lbf in.) Output shaft rotation direction Same direction as input shaft Allowable 190 N (42 lbf) (10 mm (0.394 in.) Radial load output shaft from mounting surface)

  • Page 19: Installation And Connections

    Installation and Connections 4.1 Installation Requirements The environmental conditions for installation are shown below. ・ An indoor environment. ・ A place where it is not exposed to direct sunlight (UV rays). ・ A place free of continuous vibration. ・ An installation surface that has sufficient strength. ・ An environment that facilitates the dissipation of heat.

  • Page 20: Unit Installation

    Installation and Connections 4.2 Unit Installation 4.2.1 Installation of Unit Alone Drill ① Positioning pin holes through ① Positioning pin holes the mounting surface of the machine. ② Rotating shaft Mount the ② Rotating shaft so that it protrudes out from the mounting surface as shown in the diagram. Hole depth ...

  • Page 21: If Using The Mounting Plates (Optional)

    Installation and Connections 4.2.2 If Using the Mounting Plates (Optional) The mounting plates can be used when replacing digital position indicators with a size of 22 mm (0.866 in.) as shown in Fig. 1 or 30 mm (1.181 in.) as shown in Fig. 2. Corresponding Positions of Positioning Pin (Unit: mm (in.)) Position of positioning pin...
  • Page 22 Installation and Connections Mount by matching the position of the ① Unit ① Unit's ② Positioning pins with the ③ Mounting plate ④ Mounting holes. ④ Mounting hole ② Positioning pin ③ Mounting plate It can be mounted at any 90° -angle orientation. Mount in a position that does not interfere with the machine.
  • Page 23 Installation and Connections Remove the ⑤ Handle and ⑥ ⑥ Digital position  ⑦ Rotating shaft Digital position indicator from the indicator ⑦ Rotating shaft. ⑤ Handle With the unit mounted to the ⑩ Positioning pin hole for  digital position indicator mounting plate, pass the rotating shaft through the ⑧ Output shaft. Insert the ⑨...

  • Page 24: If Using The Collars (Optional)

    Installation and Connections 4.2.3 If Using the Collars (Optional) Insert the ③ Collar into the ① Unit's ② ① Unit Output shaft. ② Output shaft ③ Collar Match the position of the ④ Output shaft screw hole with the ⑤ Screw through-hole of the collar, and then temporarily fix using the ⑥...
  • Page 25 Installation and Connections With the collar mounted, pass the ⑦ Rotating shaft through the unit's ⑨ Positioning pin holes output shaft. Insert the ⑧ Positioning pins into the ⑨ Positioning pin holes. ⑦ Rotating  shaft ⑧ Positioning pins Fully tighten the ⑥ Hex socket set screw to secure it in place. (Recommended tightening torque: 2.8 N m (24.7 lbf in.)) ⑥ Hex socket set screw...

  • Page 26: If Using The High Torque Adapters (Optional)

    Installation and Connections 4.2.4 If Using the High Torque Adapters (Optional) Drill ① Screw holes through the mounting surface of the machine ① Screw hole and set the ② Rotating shaft so that it protrudes out from the mounting ② Rotating shaft surface as shown in the diagram. B e sure to maintain the amount of Unit: mm (in.) 52 ...
  • Page 27 Installation and Connections Secure to the rotating shaft by using the ⑥ Hex socket set screws (M6x6) included with the high torque adapter. (Recommended tightening torque: 5 N m (44.2 lbf in.)) ⑥ Hex socket set screws Insert the ⑧ Collar included with the high torque adapter into the unit's ⑦...
  • Page 28 Installation and Connections With the collar mounted, pass the ⑫ Input shaft of the high torque adapter ⑫ Input shaft ⑭ Positioning  through the unit's output shaft. pin hole Insert the unit's ⑬ Positioning pins into the ⑭ Positioning pin holes of the high torque adapter.

  • Page 29: If Using The High Torque Adapters And The Mounting Plates For High Torque Adapters (Optional)

    Installation and Connections 4.2.5 If Using the High Torque Adapters and the Mounting Plates for High Torque Adapters (Optional) The mounting plates for high torque adapters can be used when replacing digital position indicators with a size of 22 mm (0.866 in.) as shown in Fig. 1 or 30 mm (1.181 in.) as shown in Fig. 2. Corresponding Positions of Positioning Pin (Unit: mm (in.)) Position of positioning pin...
  • Page 30 Installation and Connections Temporarily fix the ③ Mounting plate ① Hex socket head cap screw for high torque adapter to the ② High ② High torque adapter torque adapter by using the ① Hex socket head cap screws (M4x8) included with the mounting plate for high torque adapter. ③ Mounting plate for ...
  • Page 31 Installation and Connections With the mounting plate for high ⑨ Positioning pin hole torque adapter mounted to the high torque adapter, pass the rotating shaft through the ⑦ Output shaft. ⑧ Positioning pin Insert the ⑧ Positioning pin into the ⑨ Positioning pin hole. B e sure to maintain the amount of protrusion of the rotating shaft at 38 mm (1.496 in.) or more.

  • Page 32: If Using The High Torque Adapters And The Collars For High Torque Adapters (Optional)

    Installation and Connections 4.2.6 If Using the High Torque Adapters and the Collars for High Torque Adapters (Optional) Insert the ③ Collar for high torque ① High torque adapter adapter into the ② Output shaft of the ① High torque adapter. ② Output shaft ③ Collar for high torque adapter Match the positions of the two ④...

  • Page 33: Allowable Load

    Installation and Connections 4.2.7 Allowable Load Adjust so that an excessive load is not applied to the output shaft. Allowable Load: High torque Unit adapter Radial load Radial 19.6 N (4.4 lbf) 190 N (42 lbf) load Thrust Thrust load 19.6 N (4.4 lbf) 155 N (34 lbf) load 10mm...

  • Page 34: Connections

    Installation and Connections 4.3 Connections 4.3.1 Connection Example When Controlling with the Unit Alone Connection Example EPU-210-A Power supply EPU-210-A Terminal block Terminal block Shield Shield Power  Unit Unit supply EPU-210-A EPU-210-A...

  • Page 35: Connection Example When Controlling With A Pc As The Higher-Level Host

    Installation and Connections 4.3.2 Connection Example When Controlling with a PC as the Higher-level Host Example of Daisy Chain Connection MOD-COM Serial  converter Unit EPU-210-A Unit EPU-210-A Power supply MOD-COM Terminating resistor (120 Ω) Serial  converter Terminal  Terminal  block block Shield Shield Station  Station ...
  • Page 36 Installation and Connections Connection Example Using Repeater Hubs (EORP-200) Repeater hub Repeater hub MOD-COM EORP-200 EORP-200 Serial  converter Unit Unit EPU-210-B EPU-210-B Unit Unit EPU-210-B EPU-210-B Power supply Power supply Cable for repeater hubs  Cable for repeater hubs  Terminating resistor (Optional) (Optional) (120 Ω) EOCA-200-A EOCA-200-B Repeater hub Repeater hub MOD-COM EORP-200 EORP-200 COM A ...

  • Page 37: Connection Example When Controlling With A Plc As The Higher-Level Host

    Installation and Connections 4.3.3 Connection Example When Controlling with a PLC as the Higher-level Host Example of Daisy Chain Connection Unit EPU-210-A Unit EPU-210-A Power supply Terminating resistor  (120 Ω) Terminal  Terminal  block block Shield Shield Station  Station  number 1 number 32 Power  supply Terminating ...
  • Page 38 Installation and Connections Connection Example Using Repeater Hubs (EORP-200) Repeater hub Repeater hub EORP-200 EORP-200 Unit Unit EPU-210-B EPU-210-B Unit Unit EPU-210-B EPU-210-B Power supply Power supply Cable for repeater hubs  Cable for repeater hubs  Terminating resistor  (Optional) (Optional) (120 Ω) EOCA-200-A EOCA-200-B Repeater hub Repeater hub EORP-200 EORP-200 COM A  COM B  COM A  connector connector connector EPU connector 1...

  • Page 39: Flow-Chart From Unit Wiring To Operation

    Flow-Chart From Unit Wiring to Operation Specify settings according to the operating system you are using. Wiring When controlling by the unit alone P. 33 When controlling with a PC as the higher-level host P. 34 When controlling with a PLC as the higher-level host P.

  • Page 40: Overview Of Seven-Segment Display And Displayed Items

    Overview of Seven-Segment Display and Displayed Items 6.1 Seven-Segment Display 6.1.1 Seven Segments The unit display indicates alphanumer- ic characters by using seven segments. This four-digit by two-row segmented display is used to display various infor- mation such as the current unit status, setting items, and input values.

  • Page 41: Overview Of Seven-Segment Display

    Overview of Seven-Segment Display and Displayed Items 6.1.2 Overview of Seven-Segment Display ・ The seven-segment display can indicate all decimal numerals. ・ In normal mode, the current position is displayed on the upper row and the target position is displayed on the lower row. Current position Target position ・ The current and target positions are displayed up to the first decimal place. Example: Current position of 1234.5 and target position of 2434.5 (1) If the setting range or current position consists of five digits, press the "PREV" button at the leftmost digit to move the display one digit and display the leftmost digit. Press Current position Target position [Left-most value is displayed] (2) Press the "NEXT" button to return to the decimal place display. You can update digits even when moving. Press Current position Target position [First decimal place is displayed (Display returns)] * Values are displayed at the first decimal place when power is supplied.

  • Page 42: Settings And Control By Unit Alone

    Settings and Control by Unit Alone Modes You can change between modes by operating the unit buttons. The EPU-210 is equipped with four modes that are used to specify setting and manually perform movement commands. ● Normal Mode This is a standby mode when waiting to receive commands from the settings by the higher-level host (PC or PLC) and the unit itself.
  • Page 43 Settings and Control by Unit Alone LED Lighting Patterns Unit Status Color Pattern Normal mode Green Manual operations mode Normal mode Yellow Manual operations mode Standby: On Setting mode Blue Editing: Flashing Target position operation White mode Error occurs: On Error Malfunction: Flashing *1: Current position is within the set value range (within the in-position range)

  • Page 44: Flow From Installation To Operation

    Settings and Control by Unit Alone 7.3 Flow from Installation to Operation This section provides an overview of the flow of procedures from installation to operation if using the unit itself for settings and control. Perform work according to the following flow-chart. Installation P.

  • Page 45: Setting Mode

    Settings and Control by Unit Alone 7.4 Setting Mode 7.4.1 Setting Mode Overview You can use the setting mode to specify and change the items in the following table. Reference Item Description Page Specify if communicating with a higher-level host. Baud rate P.48 (Settings can only be changed by operation of the unit itself.)
  • Page 46 Settings and Control by Unit Alone Setting Mode Transitions Flow-Chart This flow-chart shows the settings menu (screen) transitions in setting mode. Normal mode Setting mode Press and hold             for 3 sec.  or more ⑫ Initialization ① Baud rate ⑪ Target position ② Station number ③ Terminating  ⑩ In-position range resistor ⑨ Movement  ④ Feed screw lead range lower limit ⑧ Movement  ⑤ Movement (+)  range upper limit rotation direction ⑦ Backlash ...

  • Page 47: Basic Button Operations In Setting Mode

    Settings and Control by Unit Alone 7.4.2 Basic Button Operations in Setting Mode Seven-Segment LED Display Indicator LED (Color) Operation Buttons Press and hold (3 sec. or more). [Normal Mode Screen] Lights up in green * T he scanning line flows along the lower row of the screen. Press to select the setting item. * L ights up in blue [Setting Items Selection Screen] if you change to...
  • Page 48 Settings and Control by Unit Alone Seven-Segment LED Display Indicator LED (Color) Operation Buttons Press to write. (Fixes set/changed content) * F lashes several times while writing. Lights up in blue ・   I fcontinuingtoset Press toselecta settingitem ・  I fyouhavecompletedsetting Press ・ Pressing while setting or changing cancels the input content. (The screen returns to the setting screen before inputting.) ・ To cancel the setting mode, press to return to the normal mode screen.

  • Page 49: Various Settings

    Settings and Control by Unit Alone 7.4.3 Various Settings For more details regarding button operations from display of the setting screen to fixing the settings content, please refer to P. 46. Baud Rate Setting Display 01.BR (Baud Rate) Press to change the setting range Press to write (fix the set value) [Baud Rate Setting Screen] Description Initial Value Setting Range ・ Specify if communicating with a higher-level host. ・ It is necessary to set the baud rate to the same 9.6, 19.2, 38.4, 57.6, 115.2 communication speed as the higher-level host.
  • Page 50 Settings and Control by Unit Alone Terminating Resistor Setting Display 03.TR (Terminating Resistance) Press to change between "ON" and "OFF" Press to write (fix the set value) [Terminating Resistor Setting Screen] Description Initial Value Setting Range ・ Switches the terminating resistor setting on/ off. ・ T he initial value varies depending on the prod- Loose wires (-A): uct number.
  • Page 51 Settings and Control by Unit Alone Movement (+) Rotation Direction Setting Display 05.DR (Direction) Press to change between "CW" and "CCW" Press to write (fix the set value) [Movement (+) Rotation Direction Setting Screen] Description Initial Value Setting Range ・ Sets the output shaft rotation direction for CW, CCW moving a workpiece in the (+) direction.
  • Page 52 Settings and Control by Unit Alone High Torque Adapter Setting Display 06.HT (High Torque) Press to change between "OFF", "04", and "08" Press to write (fix the set value) [High Torque Adapter Setting Screen] Description Initial Value Setting Range ・ U se this setting when using an optional high torque adapter. "04": When using "EOAT-200-4 (Gear ratio 4)"...
  • Page 53 Settings and Control by Unit Alone Backlash Compensation Setting Display 07.BL (Backlash) Press to change between "OFF", "POS (positive)", and "NEG (negative)" [Backlash Compensation Setting Screen] Press to write (fix the set value) [POS Setting Screen] [NEG Setting Screen] Description Initial Value Setting Range ・ Use the settings to compensate for any gap (backlash) in engaged parts such as the feed screw or gears.
  • Page 54 Settings and Control by Unit Alone When the target position is in the (-) direction from the current position Target position Current position Overrun (-) direction (+) direction Backlash compensation * After performing overrun for once towards the (-) direction, move to the target position and perform backlash compensation.
  • Page 55 Settings and Control by Unit Alone Movement Range Upper Limit Setting Display 08.LU (Limit Upper) Press to move the input digit Press to change the value [Movement Range Upper Limit Setting Screen] Press to write (fix the set value) Description Initial Value Setting Range ・ Sets the upper limit of the movement range. If the current position exceeds the upper limit, the unit stops and retracts to within the move-...
  • Page 56 Settings and Control by Unit Alone Movement Range Lower Limit Setting Display 09.LL (Limit Lower) Press to move the input digit Press to change the value [Movement Range Lower Limit Setting Screen] Press to write (fix the set value) Description Initial Value Setting Range ・ Sets the lower limit of the movement range. If the current position is less than the lower limit, the unit stops and retracts to within the move-...
  • Page 57 Settings and Control by Unit Alone In-Position Range Setting Display 10.IP (In-Position) Press to move the input digit Press to change the value [In-Position Range Setting Screen] Press to write (fix the set value) Description Initial Value Setting Range ・ Sets the in-position range. If the current po- sition is within the in-position range, the in- dicator LED will turn green. If it is outside of this range, it turns yellow. When the set value...
  • Page 58 Settings and Control by Unit Alone Target Position Setting Display 11.TP (Target Position) Display Press to select the target No. XX (XX: 00 to 10) position registration number [Target Position Setting Screen] Press to fix the target position registration number Press to move the input digit Press to change the value Press to write (fix the set value) [Target Position Input Screen]...

  • Page 59: Manual Operations Mode

    Settings and Control by Unit Alone 7.5 Manual Operations Mode 7.5.1 Manual Operations Mode Overview You can use the manual operations mode to specify and change the items in the following table. Reference Item Description Page Jog operation Moves the workpiece while the plus or minus button is pressed. P.58 Home setting Sets the current position as the home position.
  • Page 60 Settings and Control by Unit Alone Seven-Segment LED Display Indicator LED (Color) Operation Buttons Home position you want to set Press to move the workpiece to the position you want to set as the home position. Current position is : Execute move in (+) direction within in-position (Workpiece moves in (+) range during direction) movement:...
  • Page 61 Settings and Control by Unit Alone Return to Home Position Moves the workpiece from the current position to the home position. Seven-Segment LED Display Indicator LED (Color) Operation Buttons Current position Press Lights up in green [Normal Mode Screen] Press [Manual Operations Mode Screen] Lights up in green The manual operations mode (return to home position) screen is displayed.

  • Page 62: Target Position Operation Mode

    Settings and Control by Unit Alone 7.6 Target Position Operation Mode 7.6.1 Overview of Target Position Operation Mode The target position operation mode is used to operate, set, and change the items in the following table. Item Description Target position Calls the registered target position and moves the workpiece to that position.
  • Page 63 Settings and Control by Unit Alone Seven-Segment LED Display Indicator LED (Color) Operation Buttons Current position Press to fix the target position. Selected No. 1 target position Lights up in white Press * The upper row flashes. Current position is within in-position Moves from "000.0" to range during "021.5" movement: Movement starts. Press during movement to Lights up in green stop movement and return to the normal mode screen.
  • Page 64 Settings and Control by Unit Alone Example: If Registering the Current Position of "25.5" as Target Position Registration No. 1 * The target position can be set or changed by inputting numbers. For setting operations, please refer to P. 57 "Target Position Setting".
  • Page 65 Settings and Control by Unit Alone Seven-Segment LED Display Indicator LED (Color) Operation Buttons * O verwrites the target position with the value of the current position. Lights up in white Current position Press T arget position registered as No. 1 Returns to the normal mode screen. Lights up in green [Normal Mode Screen]...

  • Page 66: Communication Settings (Pc Or Plc Connection)

    Communication Settings (PC or PLC Connection) Overview of Communications Settings If using with the units connected to a higher-level host (PC or PLC), you must set the communication settings (baud rate and station number) on the unit itself. Baud rate: Communication speed (kbps) Station number: E ach unit connected to a PC or PLC is referred to as a station with each station assigned a number for control purposes.

  • Page 67: Unit Settings And Control By Pc

    Unit Settings and Control by PC 9.1 Overview of Unit Settings and Control by PC If using units with a PC as the higher-level host, you must use the dedicated software "MOD-COM". Download "MOD-COM" from the following URL: https://www.nbk1560.com/en-US/products/mechatronics/positioning_unit/download/mod-com/ For unit settings and control by PC, please refer to the "Dedicated Software (MOD-COM) Instruction Manual".

  • Page 68: Flow From Installation To Operation

    Unit Settings and Control by PC 9.2 Flow from Installation to Operation This section provides an overview of the flow of procedures from installation to operation if using a PC as the higher-level host. Perform work according to the following flow-chart. Installation P.

  • Page 69: Unit Settings And Control By Plc

    Unit Settings and Control by PLC 10.1 Flow from Installation to Operation This section provides an overview of the flow of procedures from installation to operation if using a PLC as the higher-level host. Perform work according to the following flow-chart. Installation P.

  • Page 70: Communication Settings

    Unit Settings and Control by PLC 10.2 Communication Settings 10.2.1 Overview of Modbus RTU Control (RS-485 Communication) Modbus RTU  RS-485 ＃1 ＃2 ＃3 ＃4 ＃32 Communication Specifications Item Description Protocol Modbus RTU Interface RS-485 Communication method Half-duplex communication Max. number of 32 units connections Synchronization method Start-Stop synchronization Stop bit 1 (Fixed) Parity bit Even (Fixed)

  • Page 71: Message Communication Settings

    Specify "0" to send a query to all units by broadcast mode. ● Function Code For more details regarding function codes that can be used with the EPU-210, please refer to ● Data Specifies the data sent to the unit(s).

  • Page 72: Slave Mode Settings

    Unit Settings and Control by PLC 10.2.3 Slave Mode Settings Slave Response If the query is made using broadcast mode, a normal response is returned if status is normal and an exception response is returned if there is an error. There are the following four types of responses from a slave.
  • Page 73 Unit Settings and Control by PLC Examples of Exception Responses A query to read an unassigned address (03E8 ) is sent. Query (01 03 03 E8 00 01 04 7A) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 03E8...
  • Page 74 *2: Only a Reset errors command is available Function Codes The function codes that can be used with the EPU-210 are as indicated in the following table. Function codes not indicated in the following table will not be executed even if sent.
  • Page 75 Unit Settings and Control by PLC ● Read Holding Registers (03 Reads the status and setting registers. You can read up to a maximum of 23 items (23 words) of consecutive registers. Query Format No. of Name Data Notes Bytes Start Silent interval Station number...
  • Page 76 Unit Settings and Control by PLC ● Write to Coil (05 Executes operation commands (Target position [Move], Home setting, Reset errors, etc.). If in broadcast mode, writing is performed to the coil with same address as all units. Query Format No.
  • Page 77 Unit Settings and Control by PLC ● Write to Multiple Holding Registers (10 Batch writes data for multiple settings and target positions. You can write up to a maximum of 18 items (18 words) of consecutive registers. If some of the data to be written is outside of the setting range or similar conditions, an exception response is returned and all other data is not written.

  • Page 78: Overview Of Register Addresses

    Unit Settings and Control by PLC 10.3 Overview of Register Addresses Address Map All data used with wired positioning units is in word units (16-bit). Access Corresponding Address Range Description Details Unit Function Code 0000 to 0004 Word Monitor commands P.78 Word 0005 to 0016 Word...

  • Page 79: Monitor Commands

    Unit Settings and Control by PLC 10.3.1 Monitor Commands Overview of Monitor Commands For monitoring unit status, current position, and similar items. Initial No. Address FC Broadcast Name byte Unit Setting Range Details Value 0000 Status inquiry P.79 0001 Error inquiry P.81 Current position 0002 P.83...
  • Page 80 Unit Settings and Control by PLC Details of Monitor Commands 1. Status Inquiry Address Name Unit Initial Value Setting Range 0000 Status inquiry Description Reads the unit status. Unit Status Name Description b6 to b15 Turns on when an error occurs in a unit. Error has occurred You can check the error that has occurred by using an error inquiry (0001 During manual operation Turns on when a unit is in manual operations mode. Moving Turns on when a unit is moving. Turns on when the current position of a unit is within the in-position In-position on range. Home position Turns on when a unit is in the home position.
  • Page 81 Unit Settings and Control by PLC Example: Read the "Status Information" of Station Number 01 Query (01 03 00 00 00 01 84 0A) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 0000 Status inquiry No. of registers 0001 No. of read registers CRC check 840A...
  • Page 82 Unit Settings and Control by PLC 2. Error Inquiry Address Name Unit Initial Value Setting Range 0001 Error inquiry Description Reads the error code occurring at a unit. 0000 is returned as a response if no error occurs. Remove the cause of the error and perform the following operations to reset the error. • Press and hold the MODE/ESC button for 3 sec. or more • Turn the power on and off • Execute the Reset errors command (0010A Error Code Seven- Error Name Description Segment Display 0001 0001 Movement timeout Occurs when workpiece movement stops for at least one error second. 0004 0004 Movement range lower...
  • Page 83 Unit Settings and Control by PLC Example: Read the "Error Code" of Station Number 01 Query (01 03 00 01 00 01 D5 CA) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 0001 Error inquiry No. of registers 0001 No. of read registers CRC check D5CA...
  • Page 84 Unit Settings and Control by PLC 3. Current Position Inquiry Address Name Unit Initial Value Setting Range -3000.0 mm to +3000.0 0002 Current position inquiry 0. 1 mm Description Reads the current position of a unit. Example: Read the "Current Position" of Station Number 01 Query (01 03 00 02 00 01 25 CA) No.
  • Page 85 Unit Settings and Control by PLC 4. Serial Number Inquiry Address Name Unit Initial Value Setting Range 0003 Serial number inquiry Description Reads a unit serial number. Example: Read the "Serial Number" of Station Number 01 Query (01 03 00 03 00 01 74 0A) No. of Name Data Notes...
  • Page 86 Unit Settings and Control by PLC 5. Terminating Resistor Setting Inquiry Address Name Unit Initial Value Setting Range Terminating resistor 0004 to 1 setting inquiry Description Reads the setting of the terminating resistor of a unit. The terminating resistor setting can only be changed by using the unit itself. *1: Varies depending on the unit type. *2: 0 → Terminating resistor setting is "OFF". →...

  • Page 87: Setting Commands

    Unit Settings and Control by PLC 10.3.2 Setting Commands Overview of Setting Commands For performing reading and writing of unit settings. Initial Setting No. Address Broadcast Name Byte Unit Details Value Range Target position 0005 data 0 Target position 0006 data 1 Target position 0007 8AD0 to data 2...
  • Page 88 Unit Settings and Control by PLC Details of Setting Commands 6 to 16. Target Position Data 0 to 10 Address Name Unit Initial Value Setting Range 0005 Target position data 0 0006 Target position data 1 0007 Target position data 2 0008 Target position data 3 8AD0 to 7530 0009 Target position data 4 0000 (-3000.0 mm to 000A Target position data 5 0.
  • Page 89 Unit Settings and Control by PLC Example 1: Read Target Position Data 0 of Station Number 01 Query (01 03 00 05 00 01 94 0B) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 0005 Target position data 0 No. of registers 0001 No. of read registers...
  • Page 90 Unit Settings and Control by PLC 17. Feed Screw Lead Setting Address Name Unit Initial Value Setting Range 0064 000A to 270F 0010 Feed screw lead setting 0.01 mm (1.00 mm) (0. 1 0 mm to +99.99 mm) Description Sets the distance that the workpiece moves when the feed screw makes one full rotation. Example 1: Read the Setting of the Feed Screw Lead of Station Number 01 Query (01 03 00 10 00 01 85 CF) No.
  • Page 91 Unit Settings and Control by PLC Example 2: Write 5.00 mm for the Feed Screw Lead Setting of Station Number 01 Query (01 06 00 10 01 F4 88 18) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 0010...
  • Page 92 Unit Settings and Control by PLC 18. Backlash Compensation Setting Address Name Unit Initial Value Setting Range Backlash compensation 0011 (None) to 2 setting Description Use the settings to compensate for any gap (backlash) in engaged parts such as the feed screw or gears. : No ("None") backlash compensation is performed. : Performs a compensation so that the final movement of the workpiece toward the target position is always to the (+) direction.
  • Page 93 Unit Settings and Control by PLC Example 1: Read the Backlash Compensation Setting of Station Number 01 Query (01 03 00 11 00 01 D4 0F) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 0011 Backlash compensation No. of registers 0001 No. of read registers CRC check D40F Silent interval Response (01 03 02 00 00 B8 44) No. of Name Data Notes...
  • Page 94 Unit Settings and Control by PLC 19. Movement (+) Rotation Direction Setting Address Name Unit Initial Value Setting Range Movement (+) rotation (CW 0012 to 1 direction setting direction) Description Select the rotational direction of the output shaft when the workpiece moves in the (+) direction to either "CW" or "CCW". : The count of the current position increases when rotated in the "CW direction". : The count of the current position increases when rotated in the "CCW direction".
  • Page 95 Unit Settings and Control by PLC Example 1: Read the Movement (+) Rotation Direction Setting of Station Number 01 Query (01 03 00 12 00 01 24 0F) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 0012 Read address 0010 No. of registers...
  • Page 96 Unit Settings and Control by PLC 20. High Torque Adapter Setting Address Name Unit Initial Value Setting Range High torque adapter 0013 (None) to 2 setting Description Use this setting when using an optional high torque adapter. Compensates for the decrease in movement when using high torque adapters. : A high torque adapter is not used. : A high torque adapter (EOAT-200-4/Gear ratio 4) is used. : A high torque adapter (EOAT-200-8/Gear ratio 8) is used.
  • Page 97 Unit Settings and Control by PLC Example 2: Write Gear Ratio 4 for the High Torque Adapter Setting of Station Number 01 Query (01 06 00 13 00 01 B9 CF) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address...
  • Page 98 Unit Settings and Control by PLC 21. Movement Range Lower Limit (-) Setting Address Name Unit Initial Value Setting Range Movement range lower 0000 FFFF to 8AD0 0014 -0. 1 mm limit (-) setting (0.0 mm) (-0. 1 mm to -3000.0 mm) Description Sets the lower limit of unit movement. If the unit moves out of the range, the unit stops and retracts to within the movement range. Example 1: Read the Movement Range Lower Limit (-) Setting of Station Number 01 Query (01 03 00 14 00 01 C4 0E) No.
  • Page 99 Unit Settings and Control by PLC Example 2: Write -100.0 mm for the Movement Range Lower Limit (-) Setting of Station Num- ber 01 Query (01 06 00 14 FC 18 88 C4) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01...
  • Page 100 Unit Settings and Control by PLC 22. Movement Range Upper Limit (+) Setting Address Name Unit Initial Value Setting Range Movement range lower 0000 0001 to 7530 0015 0. 1 mm limit (+) setting (0.0 mm) (0. 1 mm to 3000.0 mm) Description Sets the upper limit of unit movement. If the unit moves out of the range, the unit stops and retracts to within the movement range. Example 1: Read the Movement Range Upper Limit (+) Setting of Station Number 01 Query (01 03 00 15 00 01 95 CE) No.
  • Page 101 Unit Settings and Control by PLC Example 2: Write 100.0 mm for the Movement Range Upper Limit (+) Setting of Station Num- ber 01 Query (01 06 00 15 03 E8 98 B0) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01...
  • Page 102 Unit Settings and Control by PLC 23. In-Position Range Setting Address Name Unit Initial Value Setting Range 0000 0000 to 01F4 0016 In-position range setting 0. 1 mm (0.0mm) (0.0 mm to 50.0 mm) Description Sets the in-position range. If the current position is within the in-position range, the indicator LED will turn green. If it is outside of this range, it turns yellow. When the set value is 0.0 mm, the LED turns green only when the target position and the current position are matching. You can also use the status inquiry (0000 ) of the PLC to check if the current position remains in the in- position range. Example: In-Position Range Setting: When Set to 0.5 mm Lights up in yellow Lights up in green Lights up in yellow...
  • Page 103 Unit Settings and Control by PLC Example: Read the In-Position Range Setting of Station Number 01 Query (01 03 00 16 00 01 65 CE) No. of Name Data Notes Bytes Start Silent interval Station number Station number 01 Function code Address 0016 In-position range No. of registers 0001 No. of read registers CRC check...

  • Page 104: Operation Commands

    Unit Settings and Control by PLC 10.3.3 Operation Commands Overview of Operation Commands These are used for changing (writing) unit settings to be on or off and executing operations. Initial No. Address FC Broadcast Name Byte Unit Setting Range Details Value 0100 Home setting...
  • Page 105 Unit Settings and Control by PLC Initial No. Address FC Broadcast Name Byte Unit Setting Range Details Value 011B 011C 011D Reserved area 011E 011F Target position [Move] 0120 Target position [Move] 0121 Target position [Move] 0122 Target position [Move] 0123 Target position [Move] 0124 Target position [Move] 0125 0000 0000 , FF00 P. 1 18 Target position [Move] 0126 Target position [Move]...
  • Page 106 Unit Settings and Control by PLC Details of Operation Instruction Commands 24. Home Setting Address Name Unit Initial Value Setting Range 0100 Home setting 0000 0000 , FF00 Description Sets the current position as the home position. Example: Execute the Home Setting of Station Number 01 Query First query: 01 05 01 00 00 00 CC 36 Second query: 01 05 01 00 FF 00 8D C6 No.
  • Page 107 Unit Settings and Control by PLC 25. Return to Home Position Address Name Unit Initial Value Setting Range 0101 Return to home position 0000 0000 , FF00 Description Moves to the home position. When return to home position is completed, status (0000 ) bit 1 turns on. Example: Execute Return to Home Position of Station Number 01 Query First query: 01 05 01 01 00 00 9D F6 Second query: 01 05 01 01 FF 00 DC 06 No.
  • Page 108 Unit Settings and Control by PLC 26. Jog Movement (+) Address Name Unit Initial Value Setting Range 0102 Jog movement (+) 0000 0000 , FF00 Description Moves continuously in the (+) direction. Moves until the data is changed to the stop instruction 0000 * If you perform "cancel move command" (010B ), or stop with the of the unit during jog move- ment, it is necessary to create a rising edge (write FF00 with 0000 as the changed data) for the next...
  • Page 109 Unit Settings and Control by PLC 27. Jog Movement (-) Address Name Unit Initial Value Setting Range 0103 Jog movement (-) 0000 0000 , FF00 Description Moves continuously in the (-) direction. Moves until the data is changed to the stop instruction 0000 * If you perform "cancel move command" (010B ), or stop with the of the unit during jog move- ment, it is necessary to create a rising edge (write FF00 with 0000 as the changed data) for the next jog...
  • Page 110 Unit Settings and Control by PLC 28. 1.0 mm Movement (+) Address Name Unit Initial Value Setting Range 0104 1.0 mm movement (+) 0000 0000 , FF00 Description Moves 1.0 mm in the (+) direction. Example: Execute 1.0 mm Movement (+) of Station Number 01 Query First query: 01 05 01 04 00 00 8D F7 Second query: 01 05 01 04 FF 00 CC 07 No.
  • Page 111 Unit Settings and Control by PLC 29. 1.0 mm Movement (-) Address Name Unit Initial Value Setting Range 0105 1.0 mm movement (-) 0000 0000 , FF00 Description Moves 1.0 mm in the (-) direction. Example: Execute 1.0 mm Movement (-) of Station Number 01 Query First query: 01 05 01 05 00 00 DC 37 Second query: 01 05 01 05 FF 00 9D C7 No.
  • Page 112 Unit Settings and Control by PLC 30. 0.5 mm Movement (+) Address Name Unit Initial Value Setting Range 0106 0.5 mm movement (+) 0000 0000 , FF00 Description Moves 0.5 mm in the (+) direction. Example: Execute 0.5 mm Movement (+) of Station Number 01 Query First query: 01 05 01 06 00 00 2C 37 Second query: 01 05 01 06 FF 00 6D C7 No.
  • Page 113 Unit Settings and Control by PLC 31. 0.5 mm Movement (-) Address Name Unit Initial Value Setting Range 0107 0.5 mm movement (-) 0000 0000 , FF00 Description Moves 0.5 mm in the (-) direction. Example: Execute 0.5 mm Movement (-) of Station Number 01 Query First query: 01 05 01 07 00 00 7D F7 Second query: 01 05 01 07 FF 00 3C 07 No.
  • Page 114 Unit Settings and Control by PLC 32. 0.1 mm Movement (+) Address Name Unit Initial Value Setting Range 0108 0. 1 mm movement (+) 0000 0000 , FF00 Description Moves 0. 1 mm in the (+) direction. Example: Execute 0.1 mm Movement (+) of Station Number 01 Query First query: 01 05 01 08 00 00 4D F4 Second query: 01 05 01 08 FF 00 0C 04 No.
  • Page 115 Unit Settings and Control by PLC 33. 0.1 mm Movement (-) Address Name Unit Initial Value Setting Range 0109 0. 1 mm movement (-) 0000 0000 , FF00 Description Moves 0. 1 mm in the (-) direction. Example: Execute 0.1 mm Movement (-) of Station Number 01 Query First query: 01 05 01 09 00 00 1C 34 Second query: 01 05 01 09 FF 00 5D C4 No.
  • Page 116 Unit Settings and Control by PLC 34. Reset Errors Address Name Unit Initial Value Setting Range 010A Reset errors 0000 0000 , FF00 Description Resets errors. Example: Reset Errors of Station Number 01 Query First query: 01 05 01 0A 00 00 EC 34 Second query: 01 05 01 0A FF 00 AD C4 No.
  • Page 117 Unit Settings and Control by PLC 35. Cancel Move Command Address Name Unit Initial Value Setting Range 010B Cancel move command 0000 0000 , FF00 Description Execute this when a move command being executed is canceled. * This cannot be used for an emergency stop due to the delay in communication time. Example: Cancel the Move Command of Station Number 01 Query First query: 01 05 01 0B 00 00 BD F4 Second query: 01 05 01 0B FF 00 FC 04 No.
  • Page 118 Unit Settings and Control by PLC 36 to 46. Update Target Position (Current Position) Address Name Unit Initial Value Setting Range Update target position 0 0110 (Current position) Update target position 1 0111 (Current position) Update target position 2 0112 (Current position) Update target position 3 0113 (Current position) Update target position 4 0114 (Current position) Update target position 5 0115 0000 0000 , FF00 (Current position) Update target position 6...
  • Page 119 Unit Settings and Control by PLC 47 to 57. Target Position [Move] Address Name Unit Initial Value Setting Range 0120 Target position [Move] 0 0121 Target position [Move] 1 0122 Target position [Move] 2 0123 Target position [Move] 3 0124 Target position [Move] 4 0125 Target position [Move] 5 0000 0000 , FF00 0126 Target position [Move] 6 0127 Target position [Move] 7 0128 Target position [Move] 8 0129 Target position [Move] 9 Target position [Move]...

  • Page 120: Unit Replacement

    Unit Replacement 11.1 Unit Replacement If replacing a unit due to failure or similar cause, the procedures differ depending on whether a PC or PLC is used as a high-level host, or the unit is used by itself. Perform work according to the following flow-chart.

  • Page 121: Pc Replacement

    Unit Replacement 11.2 PC Replacement When replacing a PC, copy the setting files saved on the existing PC to the replacement PC. For details regarding the procedures, please refer to the "Dedicated Software (MOD-COM) Instruction Manual". We recommend periodically saving the back-up data of setting files.

  • Page 122: Appendix

    Appendix Provides mode transition flow-charts for all possible unit operations. Press and hold *1 Changes displayed digits No mode transition  Normal mode *2 Automatic transition to the          for 3 sec. even if in no  settings menu operation status Expanded  Normal  *3 Automatic transition to  display display normal mode Setting mode Baud rate  Baud rate setting Write selection To "Manual  operations mode" P.122 Station number setting Value input Write Terminating  ON/OFF Write resistor setting Feed screw lead ...
  • Page 123 Appendix Press and hold           for 3 sec. Error status (Error code display) Press and hold To "Setting mode" Normal mode           for 3 sec. P.121 Expanded  Normal  display display Manual operations mode Manual operations Execute CW move Execute CCW move Return to home  Execute return  position mode to home position Press and hold  for 3 sec. Home setting Target position  data 0 Move preparation Execute move Press and hold           for 3 sec. Write the current position  into target position data 1 Target position  data 10 Move preparation Execute move Press and hold           for 3 sec. Write the current position  into target position data 10 Target position operation mode Transitions to normal mode ...

  • Page 124: Maintenance

    Maintenance To ensure safe operation, be sure to perform inspections on a monthly basis. If any abnormality is found, immediately stop operation and do not restart until the issue has been resolved. 13.1 Precautions for Inspection ・ The operator shall be responsible for turning the power on and off. ・ Do not touch the unit during or immediately after operation as it may be extremely hot.

  • Page 125: Troubleshooting

    Troubleshooting Explanation Symptom Verification Countermeasure Page Is the power supply voltage Make sure the voltage level is P. 1 4 correct? within 24 V ±10%. Indicator LED does not light Is the power supply/ communication cable connected Wire correctly. P.33 correctly? Cannot mount Has the mounting part been Machine the mounting part to the P. 1 9 to equipment properly machined? recommended dimensions. Feed screw Adjust the feed screw drive torque cannot be Is the load excessively large? to the rated torque or less.
  • Page 126 Troubleshooting Explanation Symptom Verification Countermeasure Page P.54 Has the movement range been Appropriately set the movement P.55 correctly set? range. P.97 P.99 Make sure that the setting Has the feed screw lead been matches the set value of the feed P.49 correctly set? screw lead of the corresponding P.89 equipment. Is there an excessive amount of P.52 The workpiece backlash in the corresponding Set the backlash compensation. P.91 does not move equipment? to the target position Is the "Movement (+) rotation Correctly set the "Movement (+) P.50 direction" correctly set? rotation direction".

  • Page 127: Error Codes

    Error Codes 15.1 Error Inquiry Errors and Failures The unit LED lights up or flashes in red if the unit suffers an error or failure. Unit Status Color Pattern Error Failure Flashing CAUTION When an error occurs, remove the cause, and check safety before restarting operation. COMPULSORY / INSTRUCTION Error Code Display Button Operation An error code is automatically displayed when an error occurs.

  • Page 128: Error Codes

    Error Codes 15.2 Error Codes Error Code Seven- Error Name Description Potential Cause Segment Display ・ The feed screw has become Occurs when workpiece 0001 0001 Movement caught on something. movement stops for at least one timeout error ・ Excessive fluctuation in 0004 0004 second. workpiece load.
  • Page 129 Error Codes Error Code Seven- Error Name Description Potential Cause Segment Display 0016 0022 EERAM data Occurs when there is an EERAM 0017 0023 ・ Corrupted EERAM. error data abnormality. 0063 0099 Occurs when there is an abnormality with the current position data that is saved in ・ There has been a power memory. Memory data outage.

  • Page 130: Dimensional Outline Drawings

    Dimensional Outline Drawings EPU-210 (Unit: mm (in.)) EPU-210-B EPU-210-A 25.5 Power supply/ communication cable （35.5） (AWG25 equivalent) Cable clamp MODE PREV NEXT Hex socket  Positioning pin set screw Output shaft EOAP-200 Positioning pin Mounting plate Cushion foam EOCL-200 Product No. Φ5.5 EOCL-200-6 EOCL-200-8 EOCL-200-10 EOCL-200-12 EOCL-200-14 EOCL-200-15 EOCL-200-16...
  • Page 131 外形寸法図 EOAT-200 (Unit: mm (in.)) 4×Φ4.5 Input shaft Hex socket  set screw M6 Output shaft EOTAP-200 2×M5 4×M4 Positioning pin Mounting  plate EOTCL-200 Product No. Φ6.5 EOTCL-200-10 EOTCL-200-12 EOTCL-200-14 EOTCL-200-15 EOTCL-200-16...

  • Page 132: Emc Precautions

    (1) Medical equipment related to the maintenance and management of human life and body (2) Mechanisms and mechanical devices for the purpose of moving or transporting people. (vehicles, railroad facilities, aviation facilities, etc.)　 (3) Important safety parts of machinery and equipment (e.g. safety devices)　 (4) Handling equipment for objects that cannot be replaced, such as cultural properties and works of art Connection example For connection between the host and the unit, convert RS-485 to RS-232C with a serial converter and connect it. Dedicated Software  (MOD-COM) Serial converter Unit Unit EPU-210 EPU-210 Modbus RTU Serial converter Power supply...

  • Page 133: Laws And Regulations

    *Only the black (-BK) model units can be used in EU. List of available countries and regions EPU-210-A-BL EPU-210-A-BK Country / Region EPU-210-B-BL...

  • Page 134: Eu (Ce)

    From the following terms. EMC Directive: 2014/53/EU RoHS Directive: 2011/65/EU (include (EU) 2015/863) Product Name: Wired Positioning Units - Modbus Compliant Model Name: EPU-210-A-BK, EPU-210-B-BK Manufacturer: Name: Nabeya Bi-tech Kaisha Add: 1, Toko-Taichi, Seki City, Gifu 501-3939, Japan The full text of the EU declaration of conformity is available at the following internet address: https://www.nbk1560.com/products/mechatronics/positioning_unit/download/epu-210-doc/...

  • Page 135: Usa (Fcc)

    Laws and regulations 18.2 USA (FCC) This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

  • Page 136: Korea (Kcc)

    Laws and regulations 18.4 Korea (KCC) 인증번호: R-R-NbK-EPU-210 사용자 안내문 이 기기는 업무용 환경에서 사용할 목적으로 적합성평가를 받은 기기로서 가정용 환경에서 사용하는 경우 전파간섭의 우려가 있습니다.

  • Page 137: Warranty

    Warranty Warranty Period:　300 hours of operation or one year after delivery, whichever comes first. Warranty Scope:　 Under normal usage conditions in accordance with this manual, repairs or replacement shall be provided free of charge as long as the failure occurred within the warranty period.

  • Page 138: Revision History

    Revision History Date ID No. Revision Details Apr. 2021 UM-EPU210-SU-01E First edition...
  • Page 139 First edition, Apr. 2021 UM-EPU210-SU-01E...

Table of Contents