Unitech MR350 MKII Technical Reference Manual
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Unitech MR350 MKII Technical Reference Manual

Data collection terminal
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MR350MKII
Data Collection Terminal
Technical Reference Manual
Unitech Electronics Co., Ltd.
Sep. 2001 V1.3

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Summary of Contents for Unitech MR350 MKII

  • Page 1 MR350MKII Data Collection Terminal Technical Reference Manual Unitech Electronics Co., Ltd. Sep. 2001 V1.3...
  • Page 2 Data can be collected in an efficient and accurate manner through use of a keypad, bar code scanner, magnetic stripe reader, proximity reader, ICC reader, photo-coupler digital input, and relay digital output. The MR350MKII also provides an easy and flexible method of wall mounting without additional mechanical hardware.

  • Page 3: Table Of Contents

    Table of Contents... 1-3 Chapter 1. System Overview... 1-6 1.1. Hardware/Firmware:... 1-6 1.2. Software: ... 1-7 Chapter 2. Hardware... 2-8 2.1. MR350MKII Cabinet Dimensions... 2-8 2.2. Front Panel and Security Lock Illustration ... 2-8 2.3. Backplate Illustration... 2-9 2.4. Keypad ... 2-10 2.5.
  • Page 4 Chapter 4. Data Structure ..4-48 4.1. Device Control Table ... 4-47 4.2. Type Definition... 4-47 4.3. Barcode Control Table ... 4-48 4.3.1. Type Definition... 4-48 4.4. Communication Control Table of Host port... 4-49 4.4.1. Type Definition... 4-49 4.5. Terminal Control Table (available for host port only)... 4-50 4.5.1.
  • Page 5 7.9.1. ADD PROGRAM, ... 7-74 7.9.2. DELETE PROGRAM, ... 7-74 7.9.3. UPDATE BIOS,... 7-74 Chapter 8. Site Preparation... 8-76 8.1. Terminal Mounting Preparation... 8-75 8.1.1. Preparation for standard wall mounting mechanism... 8-75 8.1.2. Preparation for optional bench mounting kit ... 8-77 8.2.

  • Page 6: Chapter 1. System Overview

    (magnetic stripe reader), wiegand interface or smart card reader. Proximity reader can be MSR interface or Wiegand interface A barcode scanner port reads major bar code symbologies with slot, wand, CCD, and laser-diode scanners. A selectable external bar code badge slot reader, a magnetic stripe reader or...

  • Page 7: Software

    Standard wall-mounting plate and optional desktop work bench mounting kit. 256 KB Flash ROM --- 128KB for DOS-based system and 128KB for user’ s application program. 1.2. Software: MS/DOS compatible operating system. Programmed in Microsoft/Borland C/C++, IBM Macro Assembler and JobGen Pro (a transaction program generator, no programming skill required).

  • Page 8: Chapter 2. Hardware

    Chapter 2. Hardware Hardware This chapter gives you the specifications and characteristics of the MR350MKII major parts and components. 2.1. MR350MKII Cabinet Dimensions The MR350MKII cabinet is assembled in two major parts: ABS+PC front cover and metal back plate. There are two kind of front cover for different internal reader. One is for Barcode slot reader and Magnetic stripe reader, one is for Proximity reader and Smart card reader.

  • Page 9: Backplate Illustration

    ? Optional Bar Code badge reader or magnetic stripe reader or none. 2.3. Backplate Illustration Figure 2-1 Rear panel illustration Scanner port Ethernet/Phone Line Jack ? Membrane keypad with 20 alphanumeric/function keys ? Security lock RS485 /422 port (Host port)

  • Page 10: Keypad

    Wall mounting screw hole Terminal block adapter cable routing hole 2.4. Keypad The MR350MKII provides an insertion template type membrane keypad, user can re-define layout of keypad and customize user own template. All keys on the keypad provide a tactile feel. The size for each key is 17mm by 14mm. It contents 20-key alphanumeric/function membrane keypad with four user controllable indicators and clock-in/out and break-in/out symbols.

  • Page 11: Processor Board Components

    or the user’ s application program (see Programming Reference Manual). If the UPS battery is installed and the main power (external AC power) fails, in order to reduce power consumption the MR350MKII will shut off the backlight ignoring the above setting until the main power is recovered.

  • Page 12: Component Layout

    2.6.1. Component Layout Figure 2-5 Processor Board major components bottom view (solder side) ? Scanner port ? Backup battery ? AC power input ? Keypad connector ? Terminal Block adapter connector ?? Security alarm switch ?? 2 / 4 wires jumper...

  • Page 13: Processor Board Component Characteristics And Specifications

    A 256KByte or 512Kbyte of RAM can be ordered to allow more sophisticated application programs. (3) Buzzer The terminal? internal buzzer sounds after the keypad or scanner input is accepted. This audible buzzer can be programmed or controlled by the application program via DOS function calls or built-in supervisor mode.
  • Page 14 Solder Side (1) Scanner Port The MR350MKII provides a D-sub 9-pin male scanner port for attaching either a pen type (wand emulation) or auto type (laser/CCD emulation) bar code input device. The pin designations are: Scanner Port: (D-sub 9-pin, male) Pin No.
  • Page 15 RS-232 interface, such as a serial printer, digital scale, full screen video ASCII terminal, or fixed scanner. It can act as host or serial port, while as host it can serve in multi-point or none protocol for data communication.
  • Page 16 The pin designations are: RS232 Port: (RJ11 6-pin) Pin No. Figure 2-8 RS232 port pin designations Its mating connector has the following specifications: AC Power Input An external 13.5V AC/800mA power supply is used as the main operating power source of the MR350MKII. Figure 2-10 illustrates the AC-jack pinout of the power input.
  • Page 17 (7) 9-Pin Inline Connector This 9-pin inline connector is provided for attaching a barcode slot reader (visible red or infrared) or single track magnetic stripe reader (track #1, #2 or #3). The pin designations are: Barcode slot reader Data Ground Figure 2-11 9-pin inline connector pin designations The mating connector has the following specifications: Plug...
  • Page 18 (7) Terminal Block Setting Jumpers The MR350MKII provides eight 3-pin terminal block setting jumpers to allow the terminal to be used in a more convenient and flexible manner. The meanings of the selections are described in the following table. Group #1 Photo 1-input ( Default ) External Barcode /...

  • Page 19: Terminal Block Adapter

    (8) Terminal Block Adapter Connector The 24-pin terminal block adapter connector is used for attaching the terminal block adapter ribbon cable. (9) Security Alarm Switch The MR350MKII provides a security alarm switch to prevent unauthorized access to the cabinet. When the security alarm is on (refer to “Supervisor Mode”...
  • Page 20 Jumper Port Default setting Relay #1 Normal Closed Common Normal Open Relay #2 Normal Closed Common Normal Open Photo-couple #1 Anode (+) Cathode (-) Photo-couple #2 Anode (+) Cathode (-) Photo-couple #3 Anode (+) Cathode(-) Photo-couple #4 Anode (+) Cathode (-) Ground 12 V/500mA DC Output...
  • Page 21 Relay output characteristics: Contact Resistance Operating Time Release Time Insulation Resistance Rated Carrying Current Max. Allowable Voltage Max. Allowable Current Max. Allowable Power Operating Ambient Temperature Contact Capacity Figure 2-14 Relay output characteristics Photocoupler Input Characteristics: Input Terminal Figure 2-15 Photocoupler circuit diagram 100m max.

  • Page 22: Installation Procedures

    INPUT 1.1mA < Ii < 10.5mA (3.5V < Vi < 24V ) Ii < 0.24mA Vi < 1.5V ) Figure 2-16 Photocoupler input characteristics 2.8. Installation Procedures This chapter contains the installation procedures for the MR350MKII. It includes: Site preparation prior to installation. Installing the backup battery.
  • Page 23 Visually confirm that the backup battery is installed in the holder. Installing a new one by sliding it into its holder under the retaining tab, with its large diameter(+) toward the retaining tab (see figure below). Note : Be sure to install a suitable battery. Figure 2-17 Installing backup battery 2-23...

  • Page 24: Installing Ethernet Board

    2.8.3. Installing Ethernet Board -- MR053 MR053 Ethernet Card is designed for high speed communication within intranet area. Installation : (1) Open the MR350MKII terminal. (2) Unlock the main board with care. (3) Connect MR053 with main board (see figure 2-19). (4) Adjust jumper setting : short pin 2 &...

  • Page 25: Installing Modem Board

    2.8.4. Installing Modem Board -- MR052M MR052M Modem Board is designed for remote communication use through telephone line. Available communication baud rate is up to 33600 bps modem to modem. Installation : (1) Open the MR350MKII terminal. (2) Unlock the main board with care. (3) Connect MR052M with main board (see figure 2-20).

  • Page 26: Installing The Optional Features Within The Terminal

    2.8.5. Installing the Optional Features within the Terminal This section describes the installation procedures of all the available internal optional features for the MR350MKII terminal. They include: Selectable barcode slot reader, magnetic stripe reader, proximity, IC card reader . UPS battery Desktop/work bench mounting plate 2.8.5.1.
  • Page 27 Figure 2-21 Security adapter plate to slot reader (5) Carefully position the slot reader and its adapter plate onto the slot reader compartment (see figure below). Figure 2-182 Inserting slot reader into compartment 2-27...
  • Page 28 (6) Install the four tapping screws that secure the adapter plate to the cabinet (see figure below). CAUTION: YOU MUST USE THE TAPPING SCREWS FOR THIS PROCEDURE TO KEEP FROM DAMAGING THE SCREW HOLDER. (7) Connect the slot reader’ s ribbon cable to the 9-pin inline connector (see figure below).
  • Page 29 2.8.5.2. Installing the UPS battery (If you are not going to install the UPS battery, you should skip this procedure). The UPS battery is a rechargeable NiCd battery. It is held in place by a narrow retainer and fastened with machine screws on both ends, and its ribbon cable is connected to the terminal block adapter.
  • Page 30 (5) Place the UPS battery within the four positioners and the two battery retainer posts (see figure below). Figure 2-24 Positioning UPS battery onto backplate (6) Install the two machine screws that secure the battery retainer to the backplate (see figure below). Figure 2-25 Installing UPS battery retainer 2-30...
  • Page 31 (7) Plug the UPS battery cable to the connector on the terminal block adapter (see figure below). Figure 2-26 Connecting UPS battery cable 2.8.5.3.Installing desktop/work bench mounting handle The MR350MKII can be mounted on the desktop by using a work bench mounting plate.
  • Page 32 (2) To wall mount the unit or to lay it flat upon the work bench, attach the mount at the upper position. To stand the unit on the work bench, attach the mount at the lower position. (see the two figures below) Figure 2-27 Bench mount attachment (standing style) Figure 2-28 Bench mount attachment (flat style)
  • Page 33 (3) Install the four machine screws that secure the two brackets to the metal backplate at the desired position. (see figure below). Figure 2-19 Securing brackets to metal backplare for flat style (4) Use the two thumb knobs to secure the mount to the brackets. (see figure below).

  • Page 34: Reassembling The Terminal

    2.8.6. Reassembling the Terminal The MR350MKII is well suited for wall mounting, for mounting on flat surface, or for placing on a table. The metal backplate is designed as a back cover, with a wall mounting mechanism, thus you do not have to purchase any additional accessories for wall mounting.

  • Page 35: Wall Mounting The Terminal

    Figure 2-21 Reassembling terminal using screws 2.8.7. Wall Mounting the Terminal This section will instruct you on how to install the MR350MKII on the wall. All clearance dimensions are given in chapter 8 “Site Preparation”. Installation Procedures: (1) Drill all required holes. (2) Route the signal cable which is attached to the terminal block through the rectangular hole and connect it to your communication line or device cable (see figure below)
  • Page 36 Fasten four screws backplate to the wall (see figure below). Figure 2-23 Securing backplate to wall (4) Plug the terminal block adapter cable onto the stick connector. (5) Position the two front cabinet slots facing toward the backplate brackets, then slide the front cabinet onto the backplate (see figure below).

  • Page 37: Upgrading Memory

    2.8.8. Upgrading Memory 1) To know which PCB version your MR350MKII is first. 2) Follow below diagrams to upgrade memory. PCB Version Jumper Setting Version 1 , Version 2 , Version 3 . Alternative 128K or 512K memory chip choice for customer. NOTICE : If 128K or two 128K memory installed.
  • Page 38 PCB Version Jumper Setting Version 4 , Version 5 . Alternative 128K or 512K memory chip choice for customer. PS. We do not recommend you upgrade memory personally. Please send them back to dealer or company for safe upgrade. NOTICE : If 128K or two 128K memory installed.

  • Page 39: Chapter 3. System Kernel

    Chapter 3. System Kernel System Kernel 3.1. Application Programming Interface The MR350MKII kernel includes three basic modules: device driver, file manager and DOS manager. The programmer can design the application programs by calling those available functions just as in the PC DOS environment. The ROM based operating system of the terminal provides emulated MS/DOS function calls.

  • Page 40: Display Subsystem

    Value Figure 3-1 Table of key values 3.3. Display Subsystem This subsystem provides the interface functions: Display character, Display string, Set cursor position, and Clear screen display. The display coordinates are organized as follows: The origin (0,0) is always at the upper left hand corner. 3.4.

  • Page 41: Multi-Point Mode

    The MR350MKII has two ports for connecting four different interface reader. One of the two ports, as scanner port, is dedicated to bar code reading via bar code wand, CCD, laser diode scanner, bar code slot reader, and the terminal supports reading of Code 39, Code 128, Codabar, Interleaved 2 of 5, UPC and EAN.

  • Page 42: Downloading Program In Point-To-Point Mode

    NOTE: Please be noted, the MR350MKII can automatically detect the type of badge reader. If a different type of build-in reader is selected, the first attempt of reading the card will be used to detect the right type and the data will not be accepted.

  • Page 43: Downloading A Program In Multi-Point Mode

    MS-Kermit>SEND <file name> Downloads an execution file from the PC disk to the MR350MKII RAM area. (program) MS-Kermit>GET <file name> Sends a data file from the MR350MKII RAM area (data) to the PC disk. MS-Kermit>REMOTE DIR Displays all of the files which are stored in the MR350MKII (Program as well as data files) MS-Kermit>REMOTE DEL <file name>...
  • Page 44 CRT screen shall appear the following message: Terminal type 1>350/360 2>700/870/860: Typing “1” for selecting MR350, COM(1-4)?: Typing “1” for selecting COM1, “2” for COM2. 6) Then, the screen will display: V2.1 COM2 Address: ESC=1 NAK=3 PARA=9600,1,8,NONE 0.Send 1.Poll A.Stop f.Font G.Memory H.Reset M.Time...
  • Page 45 Check if specified file existed or not. Set keypad Lock / Unlock / Partial lock. (Not available on MR350MKII) Enter Kermit server mode (Not available on MR350MKII) Download a program or data file to MR350MKII. Set connected terminal’ s date and time. Set beeper's volume.
  • Page 46 7) Select item F1) to key in the address of all connected terminals or some terminals to be tested; for example, if there are three terminals connected with address A, B, C, respectively, type “ABC”. 8) Select item L) to download program 350TEST.EXE. This procedure will be repeated till all designated terminals have been downloaded.

  • Page 47: Chapter 4. Data Structure

    The device control table contains the MR350MKII peripheral configuration information including barcode scanner port, badge reader port, LCD display, keyboard and buzzer output information. The barcode scanner is controlled by a separate data structure and barcode control table, to be discussed later.

  • Page 48: Barcode Control Table

    = set LCD backlight OFF (default) buzzer: = set buzzer ON (default) = set buzzer OFF keylock: = set keyboard Unlock (default) = set keyboard Lock = set keyboard Partial Lock buzzer_volume: ‘ 0’ 4.3. Barcode Control Table The MR350MKII supports decoding software to automatically discriminate bar code symbologies: Code 39, Code 39 Full ASCII, EAN-8, EAN-13, UPC-A, UPC-E, Code 128, Codabar and Interleaved 2 of 5.

  • Page 49: Communication Control Table Of Host Port

    4.4. Communication Control Table of Host port The communication control table is applicable to configure the host port of the MR350MKII. The communication control table specifies all communication parameters between the host system and the MR350MKII. When a hard reset command is issued via keypad input or host command sequence the default communication parameters are restored.

  • Page 50: Terminal Control Table (Available For Host Port Only)

    address: Each MR350MKII must be assigned a unique communication address when it is used in a Multipoint environment. The address is used by a host or concentrator to perform polling functions. Characters 'A'-'Y' and '0'-'6' are used for assigning an address ID of each terminal.
  • Page 51 identification entry in the TERM_CONFIG table must be terminated by a character, ASCII_Z (hex 0), as in C language convention. online: = set to Remote and transmit data to the host port (default) = set to Local and do not transmit echo: = set to Echo and transmit displayed data to the host port...

  • Page 52: Chapter 5. Host Communication

    Chapter 5. Host Communication Host Communication and ESC commands There are three classes of host communication activities: Host Sends Control/Configuration Commands to the MR350MKII Almost all MR350MKII configurations and operations may be controlled by the host system via control commands. Configuration commands are used to set up system tables such as the communication control table.
  • Page 53 by the host will be purged from the memory. Default system parameters are restored from the EPROM. The hard reset command does not have any parameter or value. The equivalent keypad invoking sequence is entering the supervisor mode and selecting an initialization command. Abort ( ESC A ) Abort is the "soft reset"...
  • Page 54 Get RAM size (ESC G) Get the MR350MKII? total RAM size, program execution memory, and free memory available for RAM disc. Get filename of currently executing program (ESC I filename) When the <ESC I> command is received by the MR350MKII, the system will respond with the current executing program name or report that no program is running.

  • Page 55: Configuration Commands

    Buzzer Volume (ESC N) This command can remote changing MR350MKII's buzzer sound. Supervisor password (ESC P) This command can remote changing MR350MKII's buzzer sound. Get terminal ID (ESC R) This commcand can get terminal ID. The default terminal ID is "MR350" Get terminal ID and version no (ESC v) This commcand can get terminal ID and version no.

  • Page 56: File Transfer Commands

    reinitialize the corresponding communication port with its new parameters. For example, if ESC C instructs the RS-232 port to change the baud rate from 9600 to 1200 the MR350MKII will switch to 1200 right after the ESC C command has been received. The next host communication will use 1200 baud.

  • Page 57: Multipoint Protocol

    The download command has one parameter, the file name. Download can also be invoked via the MR350MKII workstation menu. The upload command performs the opposite function of the download command. It is normally used to transfer a data file from the MR350MKII to the host system.
  • Page 58 Length of data block = 7 = ESC + L + A + . + E + X + E + ADDR + 7 = high nibble of CS + 40H = low nibble of CS + 40H The ASCII data characters and their values are as follows: 0x02 ETX 0x03 ACK 0x06...

  • Page 59: Protocol Operation

    Negative ACK Terminal Transmissions Transmission Terminal Data Acknowledgment Negative ACK 5.4.1. Protocol Operation The terminal protocol operates as a multi-point stop and wait protocol. A station sends only one frame and then stops and waits for a response. The following scenarios typify link transmissions: * Terminal has no data for the host: =>...

  • Page 60: Example Using Host Esc Command

    5.4.2. Example Using Host ESC Command The following commands are supported for download, diagnostic, and application data transfers. Each command and its parameters will be framed as shown before being transmitted; responses have the same format without the ADDR fields. STX, CMD, parms, ...

  • Page 61: Chapter 6. User Mode

    Chapter 6. User Mode User Mode 6.1. Hard Reset The MR350MKII can be hard reset (Cold Boot) by pressing [3] while turning on power. Since the MR350MKII doesn’ t provide a power on/off switch, it is suggested to hard reset the terminal by use of option “INIT” in supervisor mode (refer to next chapter) or host ESC command (more details in appendix B).

  • Page 62: System Commands

    MR350MKII V X.XX > Figure 6-1 Ready mode prompt 6.4. System Commands In Ready mode, the user may invoke system commands by inputting a three-character command including "ERA", "RUN", "TER", "COM", "TYP", "DIR" and "SET". Or by pressing [F5/*] to invoke the user command menu. Command Description Erase (delete) a file from RAM disk...

  • Page 63: List Directory Of Ram Disc

    The MR350MKII provides a built-in terminal emulation utility. You may use this utility to accept data input from the scanner port, build-in reader port or keyboard, and send the data to the host through the host port. The communication protocol corresponds with the settings of the host port.
  • Page 64 DATE/TIME The date format is in YYYY/MM/DD. The time format is in HH:MM:SS. Use the numeric keys to set the date and time, then press [E] to confirm. 1998/01/01 00:00:00 BUZZER Adjust the beep volume of key-presses to three levels: Low, Middle, or High.

  • Page 65: File Transfer Mode

    6.10. File Transfer Mode The terminal provides a built-in file transfer utility which uses Kermit protocol. When the host port is assigned to serve through the built-in file transfer utility, the download/upload communication can be made through a built-in Kermit server in the MR350MKII system.

  • Page 66: Chapter 7. Supervisor Mode

    Chapter 7. Supervisor Mode Supervisor Mode The MR350MKII supports a Supervisor Mode to setup system configuration and verify the hardware of the terminal. Supervisor Mode: 1. Turn off the MR350MKII 2. Press [3] and hold the key, then turn on the power, or 3.

  • Page 67: Device Configuration

    DIAG System Diagnostic BIOS Update Firmware and programming user’ s application program into Flash Rom 7.1. Device Configuration To configure the MR350MKII device parameters, choose option "1) DEVC" in Supervisor mode menu. The MR350MKII will prompt for following parameter setting in sequence, RS485/RS232, BARCODE, WIEGAND and SECURITY. User can use [ ] or [ ] key to select one item and then press [E] key to set it.

  • Page 68: Barcode

    NOTE 1. The CTS/RTS option is only available when the RS-232 is assigned as a serial port. 2. When XON/XOFF is selected as flow control, it will prompt 2 items for user to set ASCII code of XON and XOFF 7.1.2.

  • Page 69: Wiegand

    Once the selected type of barcode is set OFF, then the corresponding barcode data will not be accepted by the terminal? decoder. 7.1.3. WIEGAND < DEVICE SETUP > WIEGAND After press [E] key, the terminal will prompt in sequence to toggle ENABLE or DISABLE the accepting permission for the following format: 26-Bit, 36 Bit and UNFORMATTED.

  • Page 70: Memory Configuration

    The setup method of the other system parameters in Terminal Configuration is similar to the setting of ONLINE described above by using the [ ] key to toggle the selection and pressing [E] to make the selection. ECHO Use the [ ] key to choose between On and Off. The collected data will be displayed on the MR350MKII LCD when you set Echo to On, otherwise data will not be displayed.

  • Page 71: Changing Password

    ? Program Execution Area This is similar to the main memory of a PC where the applications and data are loaded for execution. The following diagram illustrates the memory map of the terminal. EXEC area boundary Figure 7-1 System memory map The available RAM is allocated to the Program Execution Area, EXEC area, and RAM Disk, FREE area.

  • Page 72: Auto Exec

    7.5. Auto Exec Besides running a program with the associated function key, it is also possible to define a program as the auto-boot program which will be executed immediately when the terminal is turned on each time. Use the [ ] key to select the desired program name and the screen below will appear: AUTO EXEC: Null...

  • Page 73: Update Bios And Writee Program File To Flash Rom

    Test items Description ROM - checksum verification RAM - there are three subitems under this test: * Fixed pattern test * Address-data bus test * Address bus test KEY - promptly displays on the LCD the name of the key just pressed. - loop back test on RS-232 port Connects TX with RD, RTS with CTS, DSR with DTR.

  • Page 74: Add Program

    7.9.1. ADD PROGRAM, The MR350MKII allows user store the application program into the FlashROM. The size of the FlashROM for the application program is 128KB. When ADD PROGRAM was selected, the MR350MKII will shows the available FlashROM free information on the screen. User may save multiple application programs into the FlashROM if the free space is still available.

  • Page 75: Chapter 8. Site Preparation

    Chapter 8. Site Preparation Site Preparation The chapter will describe the general information needed for planning and installing an online data collection system. It includes: terminal mounting preparation, network installation, wiring and power requirements. 8.1. Terminal Mounting Preparation The MR350MKII may be installed in either of two ways: 1) Using the standard wall mounting mechanism to install the MR350MKII on any flat surface.
  • Page 76 2) Select the type of fasteners (such as wood screws, expanding plastic anchors in conjunction with machine screws and so on) to be used, depending on the type of material to which the terminal will be mounted. 3) Determine the mounting hole location and the size of fasteners, based on the following figure: Figure 8-3 Wall mount template 8-76...

  • Page 77: Preparation For Optional Bench Mounting Kit

    8.1.2. Preparation for optional bench mounting kit (If you are not using the bench mounting kit to mount the terminal, you may go directly to the next section.) For attaching the bench mounting kit to the MR350MKII, please refer to “Installing desktop/bench mounting handle” on page 2-31. Installation procedure: 1) Determine whether the top-part or bottom-part of the MR350MKII ? backplate will be used for attaching the bench mounting kit.
  • Page 78 1) Determine the mounting hole location and the size of fasteners, based on the following figure: Figure 8-4 Bench mount template 8-78...

  • Page 79: Routing The Terminal Block' S Cable

    For installation convenience, you may use the terminal block as communications auxiliary interface by switching photocouplers #3 and #4 to the RS232 and barcode scanner connector and using pins #15 to #20 as the RS485 connector. When you are using the terminal block as communications auxiliary interface, Figure...

  • Page 80: Network Installation

    Installation procedure: 1) Embed all the required signal lines (including +13.5V and ground) into the wall. 2) Route your signal lines through backplate or front cabinet. (see Figure 8-5 Routing cable through backplate 3) and Figure 8-6 Routing cable through front cabinet 5) Refer to “Terminal Mounting Preparation”...
  • Page 81 Twisted pair 20, 22 or 24 AWG standard conductor Overall shielding with drain wire The diagram below shows examples of a multi-dropped network. 8-81...
  • Page 82 Networking with MR034 Conversion box RS232-RS422/485 conversion box 13.5 VAC (COM1) RS232 MR034 (COM2) Channel=1 RS232 Address=A 13.5 VAC RS232 MR034 Channel=2 Address=A Networking with EPC402 Signal Converter RS232-RS422/485 conversion box RS232 EPC402 RS422/485 T-junction box 13.5 VAC 9VDC RS422/485 RS422/485 MR033 RS485...
  • Page 83 The specification of each device is described detailed in following sections. Users should refer to the specification in order to make the connection of MR350MKII in multi-drop. MR033 T-Junction box DB-9 4-wire RS422 Pin # TB2/TB1 TX(-) TX(+) RX(-) RX(+) Shielding N.C.
  • Page 84 MR034 T-Conversion box J8 J7 DB-9 Pin # TB2(RS232) TB1 N.C. TX(-) TX(+) N.C. RX(-) RX(+) Shielding Shielding N.C. RX(-) N.C. N.C. AC-HOT Shell Jumper Setting FUNCTION SETTING Set 4-wire RS422 Set 2-wire RS485 Enable line terminator Disable line terminator Disconnect TB1 for line checking 4-wire RS422...
  • Page 85 Cabling and Jumper setting of Connect with MR034 Signal Converter To PC COM port DB-25 DB-9 3 (RxD) 2 2 (TxD) 3 7 (GND) 5 To MR380 COM1 RS422/485 port RS422/RS485 4-wire RS422 Network MR034 Conversion box DB-9 male 1 2 3 4 5 6 7 9 shell RS422/485 Spur line cable 1 2 3 4 5 6 7 9 shell...
  • Page 86 Connect with EPC402 Signal Converter DB-9 To PC COM port Female DB-25 DB-9 EPC402 3 (RxD) 2 2 RxD Signal Converter 2 (TxD) 3 3 TxD 5 GND 7 (GND) 5 RS232 MR033 DB-9 Male 1 TX- 2 TX+ 3 RX+ 5 RX+ 4 RX- 4 RX-...
  • Page 87 Cabling and Jumper setting of Connect with MR034 Signal Converter To PC COM port DB-25 DB-9 3 (RxD) 2 2 (TxD) 3 7 (GND) 5 To MR380 COM1 RS422/485 port 2-wire RS485 Network MR034 Conversion box DB-9 male 1 2 3 4 5 6 7 9 shell RS422/485 Spur line cable 1 2 3 4 5 6 7 9 shell...
  • Page 88 Connect with EPC402 Signal Converter DB-9 To PC COM port Female DB-25 DB-9 EPC402 3 (RxD) 2 2 RxD Signal 2 (TxD) 3 3 TxD Converter 7 (GND) 5 5 GND RS232 MR033 DB-9 Male 1 TX/RX- 2 TX/RX+ 5 TX/RX+ 4 TX/RX- 5 GND 1 GND...
  • Page 89 Use a Signal Repeater In multi-dropping connection, the strength of line signal decreases as the distance of the connected line of MR350MKII terminals increases, an MR035 Signal Repeater may be needed to boot-up the signal in order to make those terminals at far end can receive and transmit signal properly.

  • Page 90: Pin Assignment

    MR033-E RS 422/485 T-Junction Box Front ?? ? ? ?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ?? RJ-4 5 Connect to MR series terminal with AC 13.5V Power .
  • Page 91 MR034-E RS232 to RS422/485 Convertor Front ?? ? ?? ? ?? ? ? ?? ? ? ? ? ? ? ?? ? ?? ? ? RJ-4 5 Connect to MR series terminal with AC 13.5V Power Dual color LED will flash when transmitting or receiving data 9VDC Power source for MR034-E Connect to PC's or Host's RS232 port...
  • Page 92 8-92...

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