LAUREL LAUREATE 2 Series Owner's Manual
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LAUREL LAUREATE 2 Series Owner's Manual

Serial input meter & remote display
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SERIAL INPUT METER
& REMOTE DISPLAY
LAUREATE SERIES 2
OWNERS MANUAL
Now with Ethernet
LAUREL Electronics Inc.
3183-G Airway Ave, Costa Mesa, CA, 92626, USA
Tel: (714) 434-6131 • Fax: (714) 434-3766 • Website: www.laurels.com
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  • Page 1 SERIAL INPUT METER & REMOTE DISPLAY LAUREATE SERIES 2 OWNERS MANUAL Now with Ethernet LAUREL Electronics Inc. 3183-G Airway Ave, Costa Mesa, CA, 92626, USA Tel: (714) 434-6131 • Fax: (714) 434-3766 • Website: www.laurels.com...

  • Page 2: Ordering Guide

    1. ORDERING GUIDE Configure a model number in this format: L5002, CBL01 L......Serial input meter Digital Interface Includes screw terminal connectors. 0 ............None 1 ............. RS232 Processors & Display Color 2 ..RS485 with dual RJ11 connectors 5 .........

  • Page 3: Table Of Contents

    2. TABLE OF CONTENTS ORDERING GUIDE ..................... 2 TABLE OF CONTENTS ....................3 PRODUCT INTRODUCTION ..................4 RECEIVING & UNPACKING ..................5 SAFETY CONSIDERATIONS ..................5 CONNECTOR WIRING INFORMATION ..............6 MECHANICAL ASSEMBLY ..................8 FRONT PANEL SETUP KEYS ..................10 ENABLING &...

  • Page 4: Product Introduction

    RS232, RS485 or USB, the received data can be continuous (or streaming), be in command mode using Laurel’s Custom ASCII protocol, or be in command mode using the Modbus RTU protocol. With Ethernet, the received data can only be in command mode using the Modbus TCP/IP protocol, which uses the same syntax as Modbus RTU.

  • Page 5: Receiving & Unpacking

    4. RECEIVING & UPACKING Your serial input meter was carefully tested and inspected prior to shipment. Should the meter be damaged in shipment, notify the freight carrier immediately. In the event the meter is not configured as ordered or the unit is inoperable, return it to the place of purchase for repair or replacement.

  • Page 6: Connector Wiring Information

    6. CONNECTOR WIRING INFORMATION CONNECTORS Connectors for signal and power are U/L rated screw-clamp terminal blocks that plug into mating jacks on the printed circuit board. Communication connectors are a single RJ11 plug for RS232, dual RJ11 plugs for RS485, and dual RJ45 plugs for RS485.
  • Page 7 P3 - SERIAL COMMUNICATIONS P4 - ANALOG OUTPUT...

  • Page 8: Mechanical Assembly

    7. MECHANICAL ASSEMBLY REMOVING THE REAR PANEL First remove any connectors. Use one hand to press in the two sides of the rear of the case, and the other hand to press down the two protruding tab releases at the top of the rear panel (see figure below).
  • Page 9 rear panel. Once the rear panel is in place, reinstall the input/output screw clamp terminal plugs. PANEL MOUNTING Slide the meter into the 45 x 92 mm 1/8 DIN panel cutout. Ensure that the provided gasket is in place between the front of the panel and the back of the meter bezel.

  • Page 10: Front Panel Setup Keys

    8. FRONT PANEL SETUP KEYS Counter Front Panel There are four front panel keys, which change function for the Run Mode and Menu Mode, effectively becoming eight keys. The keys are labeled with alphanumeric captions (MENU, PEAK, RESET, ALARMS) for the Run Mode and with symbols ( right arrow, right triangle,...
  • Page 11 ALARMS Key. Pressing ALARMS once displays the setpoint for Alarm 1. Pressing it again displays the setpoint for Alarm 2. Pressing it again returns to the present value. After 30 seconds, the meter automatically returns to the present value. Timing is automatically reset whenever the ALARMS key is pressed.

  • Page 12: Enabling & Locking Out Menu Items

    9. ENABLING & LOCKING OUT MENU ITEMS For security reasons and ease of counter operation, any or all menu items can be disabled or "locked out" so that they are no longer accessible from the front panel. Each function to be disabled can be set to "1"...

  • Page 13: Serial Input Meter / Remote Display Configuration

    With RS232, RS485, iCommands can use the Custom ASCII protocol, as documented in Laurel’s Custom ASCII Protocol Serial Communications Manual, or the Modbus protocol, as documented in Laurel’s Modbus Counter Manual. Our RS232, RS485 and USB boards support the Custom ASCII and Modbus protocols. Our Ethernet boards only support the Modbus protocol, which only works in command mode, not streaming mode.
  • Page 14 SELECTED FRONT PANEL SETUP ITEMS FOR SERIAL INPUT METER (not consecutive) For the complete list of front panel setup items, see Section 10 of our separate COUNTER / TIMER / SERIAL INPUT METER OWNERS MANUAL. If the MENU key does not work, see Section 9 “Enabling & Locking Out Menu Items.” Press Press Digit Press Value Select...

  • Page 15: Serial Communication Board Setup

    You will need to select a COM port. • If the remoted display has an RS232 board, use Laurel cables CBL01 and CBL02, which plug into each other. The PC will recognize the FTDI chip in the CBL02 adapter cable and automatically install the driver for it.
  • Page 16 COMMUNICATIONS BOARD SETUP VIA JUMPERS Ethernet Board** or USB Board No jumpers needed RS232 Board e - Externally enabled RTS (otherwise always enabled). f - Install for remote display operation. g - Install for normal meter operation. Note: Board is shipped with jumper g installed. RS485 Board, Full Duplex Operation * b &...

  • Page 17: Instrument Setup Via Pc

    Windows. • Half-duplex RS485. To connect a Remote Display with anRJ11 half-duplex interrace to the USB port of a PC, use Laurel cable CBL06. That cable contains an RS485-to-USB converter chip, which is compatible with all versions of Windows. • USB. To connect a Remote Display with a USB interface to the USB port of a PC, use Laurel cable CBL05.
  • Page 18 In the Communications Setup screen, select the Custom ASCII as the protocol and Panel Meter as the Device Type. Then click on the RS232 button, which also serves for USB and half-duplex RS485. This will take you to the Establish Communications screen.
  • Page 19 your Com Port and 9600 as the Baud In the Establish Communications screen, select Rate. Try different Com ports until one works, or use the Windows Device Manager to read your Com port and change it if desired. Click on Establish, and the two fields at the bottom of the screen should turn green.
  • Page 20 Click on Counter => Get Setup to retrieve the current setup information from your counter, then on View => Setup, which will take you to the Input+Display tab. Use this screen to set up Display Type, Control Inputs and Time Out. For Time Out, enter the number of seconds that a serial reading will be displayed in the absence of a new serial input, after which ti-Out will be displayed.
  • Page 21 Rmt Dsply C = Masked remote display. Allows data extraction from a long string as speci- fied under the Communication tab. The required data entry fields will only appear under the Communication tab if Display Type has been specified as Rmt Dsply C under the Input+Scaling tab.
  • Page 22 Click on the Relay Alarms tab to set up your meter’s two or four optional relays. The same digital source is used for all relays and must be set to Item 3 under Alarm Source. A separate Setpoint and a Hysteresis band or Deviation band can be set up for each relay. The relays will respond to your digital entries without decimal point.
  • Page 23 Click on the Communication tab to view the communication parame- ters that you used initially. You can reselect Baud Rate, Device Address, Serial Protocol, Full/Half Duplex, even though you may have selected different values to establish initial communications with your PC. You can also define a Custom Recognition Character in lieu of the default *.
  • Page 24 Click on the Analog Out tab to scale your meter’s optional single or dual analog outputs. Item 3 must be selected as the Analog Output Source. With dual analog outputs, that same digital source will be used for both outputs, but the outputs can be scaled independently of each other.
  • Page 25 • Alarm Type. Selections are Non-Latching and Latching. Under Non-Latching, the relay is only closed (or open) while the Alarm State is Active. Under Latching, the activated relay remains closed (or opens) until reset regardless of the Alarm State. Resetting is normally achieved by temporarily grounding one of the transmitter’s control inputs, which has been set to Function Reset under the “Input+Display”...

  • Page 26: Commands With Custom Ascii Protocol

    13. COMMAND MODE WITH CUSTOM ASCII PROTOCOL Laurel’s Custom ASCII protocol allows the Remote Display to receive data in the form of ASCII text strings, which can be either in a streaming Continuous Mode or in a Command Mode, as described in the manual at https://www.laurels.com/downloadfiles/serialcom2.pdf.

  • Page 27: Commands With Mobus Protocol

    14. COMMAND MODE WITH MODBUS RTU PROTOCOL Laurel’s implementation of the Modbus RTU protocol allows the Remote Display to receive data in the form of Modbus commands. As for the customer ASCII Protocol in Command Mode, these are used to write values to a variable called “Item 3”, which will be used for analog output interpolations and for relay setpoint comparisons for relay action.

  • Page 28: Using Diagnostic Tool Qmodmaster

    12. USING DIAGNOSTIC TOOL QMODMASTER ABOUT QMODMASTER qModMaster.exe is a freeware Windows program which allows a PC to serve as a Modbus Master. It is an easy-to-use tool to verify communications, send requests to Modbus Slaves, and view their responses. qModMaster works well with Base 0, but not with Base 1, so use it only with Base 0 and subtract 1 from the Register addresses listed in our Modbus Manual for Counters.
  • Page 29 The screen captures below are for Modbus TCP, but the syntax is the same for Modbus RTU. An external panel meter or multimeter connected to the analog output should show the desired output currents.
  • Page 30 3. EXAMPLE: USE MODBUS COMMANDS TO CONTROL TWO RELAYS Using BASE 0 addressing, alarm relays are controlled by writing to holding register 0x006F. Bit 0 controls Relay 1. Bit 1 controls Relay 2. First Alarm1 is forced by writing 01 to holding register 0x006. This turns Relay1 on. Then Alarm2 is forced by writing 03 to holding register 0x006.

  • Page 32: Dual & Quad Relay Output Options

    16. DUAL & QUAD RELAY OUTPUT OPTIONS An optional relay board may be installed in the meter main board at plug position P2, adjacent to the power supply board. Four board versions are available: 2 or 4 relays, contact or solid state. Once installed, the relay board is recognized by the meter software or PC-based Instrument Set- up software, which will bring up the appropriate...
  • Page 33 KEYSTROKES FOR SETUP If the MENU key does not work, see Section 9 “Enabling & Locking Out Menu Items.” Press Press Digit Press Value Select Menu Select Key SourcE 0000 Setpoint 1: Must be set to Item #3. Source to com- 0000 Setpoint 2: Must be set to Item #3.
  • Page 34 Press Press Digit Press Value Select Menu Select Key ALS 34 00000 Relay 3 on Relay 4 on Alarm Setup Relay state when alarm is Relay 3 off Relay 4 on for relays 3 & 4 active. Relay 3 on Relay 4 off if detected.

  • Page 35: Single & Dual Analog Output Options

    17. SINGLE & DUAL ANALOG OUTPUT OPTIONS Two versions of an analog board may be installed in the meter at rear panel jack position J4, adjacent to the signal conditioner board. Once installed, this board is recognized by the meter, which will bring up the appropriate menu items for it.
  • Page 36 _An_Lo 0.00000 0.00000 0.00000 Select thru for flashing digit. Low displayed value for 0.00000 0.00000 0.00000 -10V, 0V, 0 mA, or 4 mA Select digit to flash _An_Hi. 0.00000 0.00000 0.00000 Select thru for flashing digit. High displayed value for 0.00000 0.00000 0.00000 10V or 20 mA output Select digit to flash...

  • Page 37: Specifications

    18. SPECIFICATIONS DISPLAY Type ..........6 LED digits, 7-segment, 14.2mm, plus 4 LED indicators Digit Color ......................Red or green Display Range ..................-999999 to +999999 POWER REQUIREMENTS Input Voltage rating (standard) ............85-264 Vac or 90-300 Vdc Input Voltage rating (low voltage option) ..........12-32 Vac or 10-48 Vdc Power Line Frequency .................
  • Page 38 Scaling of Reading for Full Scale Output ..........-999,999 to +999,999 Isolation rating between signal common and analog output ........250V ac Insulation dielectric strength between signal common and analog output ........................3.5 kV ac for 5 sec, 2.3 kV ac for 1 min SERIAL INTERFACE OPTIONS Output Types ..............

  • Page 39: Glossary Of Terms

    19. GLOSSARY OF TERMS Alarm, latched: An alarm which stays actuated until reset. Latched alarms can shut down machinery or a process when an operating limit has been exceeded, or maintain an alarm condition until acknowledged by an operator. Alarm, non-latched: An alarm which changes state automatically when the reading rises above a specified limit and changes back automatically when the reading falls below a limit.

  • Page 40: Warranty

    In the event of a defect during the warranty period, the defective unit may be returned to the seller, which may be Laurel or a Laurel distributor. The seller may then repair or replace the defective unit at its option. In the event of such a return, freight charges from the buyer shall be paid by the buyer, and freight charges from the seller shall be paid by the seller.

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