Rice Lake 920i Manual
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Rice Lake 920i Manual

Programmable hmi indicator/controller multi-reject in-motion checkweighing system
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Programmable HMI Indicator/Controller
Multi-Reject In-Motion
Checkweighing System Manual
104312

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Summary of Contents for Rice Lake 920i

  • Page 1 Programmable HMI Indicator/Controller Multi-Reject In-Motion Checkweighing System Manual 104312...

  • Page 3: Table Of Contents

    8.3 Checkweigher Serial Protocol ........... . 21 Hardware Warranty Statement ......................23 Software Warranty Statement ....................... 24 © 2008 Rice Lake Weighing Systems. All rights reserved. Printed in the United States of America. Specifications subject to change without notice. April 2008...
  • Page 4 920i Multi-Reject In-Motion Checkweighing System Manual...

  • Page 5: Contents

    Introduction and System Setup This system provides a multiple-reject in-motion checkweighing program for the Rice Lake Weighing Systems/AP Dataweigh in-motion checkweigher hardware system. It allows for checkweighing of in-motion products as they cross the belt scale section. The system is capable of storing up to 25 rejected items in its memory, which is helpful if the reject arm is not located near the scale.

  • Page 6: Set Up Users - Administrator Access

    Note: When editing a user, you can press the Enter key on the 920i to keep the same security level already assigned to them. 920i Multi-Reject In-Motion Checkweighing System Manual...

  • Page 7: Products

    Setting this value to zero disables the checking for Figure 1-3. 920i screen. this range. Weights below this value and above the minimum 1.
  • Page 8 Note: You can access the character map during any entry by pressing the UP softkey. If at any time you enter an incorrect letter or number, press the CLR key located on the numeric keypad to correct the error 920i Multi-Reject In-Motion Checkweighing System Manual...

  • Page 9: Configuration

    Configuration Configuration involves numerous softkeys and menus. This section details the menus and softkeys you will use. Notes: The scale sample rate MUST be set to 60 Hz. This is the default setting and should not be changed. A normally closed photo-eye must be used. Menus and Softkey Descriptions 2.1.2 Main Menu 2...

  • Page 10: Setup Softkey

    (for example, 010207 for 2 January 2007, and 1400 for 2:00 p.m.). displays the next set of menu options for the More => user. Press to leave the Setup menu and return user to Exit the operating screen. 920i Multi-Reject In-Motion Checkweighing System Manual...
  • Page 11 NOTE: When editing the zone type, press Enter changes to these settings will probably require to keep the current value. changes to the 920i configuration file to setup Overrun Setup Allows the user to set up an output to be used the digital I/O points.
  • Page 12 More=> Accesses Setup Menu 6. Exit Returns the user to the main menu. Table 2-7. Setup Menu 5 softkeys and descriptions. 920i Multi-Reject In-Motion Checkweighing System Manual...

  • Page 13: Calibration

    Calibration Calibrating a product allows the user to select and actually run a sample product across the scale and allow the user to see the distribution curve and setup the weighing parameters for each product. These parameters include sample delay and sample time. By pressing , the conveyor will begin and the Start...
  • Page 14 Figure 3-5. Distribution curve with delay before sampling. 9. Once the graph displays a distribution curve representing the product entering and leaving the scale, calibration is successful. See Figure 3-6 on page 11 for an example of an optimal distribution curve. 920i Multi-Reject In-Motion Checkweighing System Manual...

  • Page 15: Making Adjustments For An Optimal Graph

    Making Adjustments for an Optimal Graph Ideally, the distribution curve should be symmetrical. You should be able to see an arc as the item enters the belt and an arc as it leaves.Figure 3-4 and Figure 3-5 on page 10 show an arc as the product enters the belt, but not the full arc as the product leaves.

  • Page 16: Printing Reports

    Time: 09/06/2007 12:30PM Activity: Stop Running Product User: Admin o Run: 123 Figure 4-2. Print Reports screen. User: Admin Time: 09/06/2007 08:3M 3. Press the desired softkey corresponding to the report you wish to print. 920i Multi-Reject In-Motion Checkweighing System Manual...
  • Page 17 Product Report Standard Dev: 0.00 10/18/2007 01:31PM ID: 123 ID: 1234 Description: Product 1 Description: Product 2 Tare Weight: 0.00 TO2 Count: 0 TO2 Value: 27.00 TO1 Count: 0 TO1 Value: 26.00 Target Count: 0 Target Wt: 25.00 TU1 Count: 0 TU1 Value: 24.00 TU2 Count: 0 TU2 Value: 23.00...

  • Page 18: Memory Expansion Card Installation Instructions

    Figure 5-2. 920i enclosure backplate. option card to the threaded standoffs on the CPU board (see Figure 5-1). Figure 5-1. Installing option card onto 920i CPU board. 5. Make connections to the option card as required. Use cable ties to secure loose cables i n s i d e t h e en c l o s u r e .

  • Page 19: Digital I/O Expansion Card Installation Instructions

    CPU board (see Figure 6-1). Figure 6-2. Digital I/O expansion card. Signal Signal DIO24 DIO11 DIO23 DIO10 Figure 6-1. Installing option card onto 920i CPU board. DIO22 DIO9 DIO21 DIO8 5. Make connections to the option card as DIO20 DIO7 required.
  • Page 20 I/O Connection 50-pin ribbon connector, 8-screw terminal connector Figure 6-3. 920i enclosure backplate. The indicator automatically recognizes all installed option cards when the unit is powered on. No hardware-specific configuration is required to identify the newly installed card to the system.

  • Page 21: Single-Channel A/D Card Installation

    Single-Channel A/D Card Installation Use the following procedure to install single-channel A/D cards in the 920i 1. Disconnect indicator from power source. If using 6-wire load cell cable (with sense wires), remove jumpers JP1 and JP2 before Disconnect power before removing r e i n s t a l l i n g c o n n e c t o r J 1 .
  • Page 22 ±800 mV referenced to earth ground Input Overload Load cell signal lines ±10 V continuous, ESD protected Figure 7-3. 920i enclosure backplate. RFI/EMI Protection Signal, excitation, and sense lines protected 9. Ensure no excess cable is left inside the enclosure and tighten cord grips.

  • Page 23: Appendix

    Appendix Database Tables and Stored Variables The following tables list the variables specified for the user database, product database, and user activity database. All data is stored in the PC database. Field Type Description Name String User login name Password String User password SLevel...

  • Page 24: I/O Table

    Output Conveyor Stop Output Programmability Conveyor Stop Input Programmability Conveyor Start Input Output TO1 Output Output TU1 Output Output Tolerance Alarm Output Output Overrun Alarm Output Programmability Emergency Stop Table 8-4. 920i Digital I/O Assignments 920i In-Motion Checkweighing System Manual...

  • Page 25: Checkweigher Serial Protocol

    <STX> = 0x7C = Two-byte ASCII digits to specify the indicator address <Address> 920i = 0x7C = Instruction that describes what to do with the data <Command> = 0x7C <Data Fields> = Variable number of data fields, separated by pipe (0x7C) characters...
  • Page 26 If the PC receives a NAK response, the reason for failure can be displayed by the user. The reason text is also displayed at the indicator. Checkweigher Product Weights <STX>|<Address>|<Product ID>|<Weight>|<Units label>|<ACCEPTED or REJECTED>|<ETX> Example: <STX>|01|12345|100.05|lb|ACCEPTED|<ETX> 920i In-Motion Checkweighing System Manual...

  • Page 27: Hardware Warranty Statement

    Hardware Warranty Statement Rice Lake Weighing Systems (RLWS) warrants that all RLWS brand equipment and systems properly installed by a Distributor or Original Equipment Manufacturer (OEM) will operate per written specifications as confirmed by the Distributor/OEM and accepted by RLWS. All systems and components are warranted against defects in materials and workmanship for one (1) year, unless otherwise stated.

  • Page 28: Software Warranty Statement

    Software Warranty Statement Rice Lake Weighing Systems (RLWS) warrants that (a) the software will perform in accordance with the accompanying printed materials for a period of ninety (90) days from the date of receipt. And (b) any hardware accompanying the software will be free from defects in materials and workmanship under normal use and service for a period of one (1) year from the date of receipt.

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