Rice Lake ALLEN-BRADLEY Remote I/O Interface Installation And Programming Manual
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Rice Lake ALLEN-BRADLEY Remote I/O Interface Installation And Programming Manual

Rice Lake ALLEN-BRADLEY Remote I/O Interface Installation And Programming Manual

For iq plus 510 and iq plus 710 indicators
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Remote I/O
ALLEN-BRADLEY
Remote I/O Interface
®
®
®
for IQ plus
510 and IQ plus
710 Indicators
Version 2.04
Installation and
Programming Manual
45775

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Summary of Contents for Rice Lake ALLEN-BRADLEY Remote I/O Interface

  • Page 1 Remote I/O ALLEN-BRADLEY Remote I/O Interface ® ® ® for IQ plus 510 and IQ plus 710 Indicators Version 2.04 Installation and Programming Manual 45775...

  • Page 3: Table Of Contents

    Course descriptions and dates can be viewed at www.rlws.com or obtained by calling 715-234-9171 and asking for the training department. © 2003 Rice Lake Weighing Systems. All rights reserved. Printed in the United States of America. Specifications subject to change without notice.
  • Page 4 Remote I/O Installation and Programming Manual...

  • Page 5: About This Manual

    About This Manual This manual provides information needed to install This manual applies to the following software and use the Rice Lake Weighing Systems Remote I/O versions: ® Interface. The Remote I/O Interface allows IQ plus • Remote I/O Interface, Version 2.04 ®...

  • Page 6: Installation

    Installation 2.1.2 Install Remote I/O Interface Board The section describes the procedures used to install the Remote I/O interface board into IQ plus 510/710 8. Use the four 6-32NC kep nuts supplied to mount the three brackets as shown in indicators, connect communications cables, select the Figure 2-4 on page 4.

  • Page 7: Reassemble Enclosure

    Power supply connection to Allen-Bradley Network Indicator connections J15 on indicator CPU board connections to J4 on indicator CPU board DIP switches 82Ω 150Ω RSIP1 RSIP2 RSIP3 LED CONNECTOR P / N Backplate LED connections Figure 2-1. Remote I/O Interface Board 2.1.4 Reassemble Enclosure 16.
  • Page 8 Backplate Cable tie mounts (3) LED connection to J3 on Remote I/O Interface board Ribbon cable from 6-32NC x 1/4 connector J1 to J15 machine screws (4) on indicator board pin 1 Remote I/O Interface board Mounting bracket with 6-32NC kep nuts (2) pin 1 Standoffs Mounting brackets...

  • Page 9: Physical Connections For Installed Boards

    Physical Connections for Installed Boards The indicator enclosure must be opened to connect cables and set DIP switches for the Remote I/O interface. Ensure power to the indicator is disconnected, then place the indicator face-down on an antistatic work mat. Remove the screws that hold the backplate to the enclosure body, then lift the backplate away from the enclosure and set it aside.

  • Page 10: Power Connections

    2.2.1 Power Connections Power to the Remote I/O Interface is supplied by the indicator, using a ribbon cable attached from connector J15 on the indicator to connector J1 on the Remote I/O board. Note that the red wire strand of the ribbon cable must connect the 1 pins at each connector.

  • Page 11: Dip Switch Configuration

    DIP Switch Configuration Two banks of DIP switches, SW1 and SW2, are used to configure the Remote I/O Interface for communication with the indicator and the network. Figure 2-8 shows the switch assignments for SW1 and SW2. Link Address Starting Rack Address Quarter Figure 2-8.
  • Page 12 Rack Address Switches SW1-3 through SW1-8 are used to set the rack address of the Remote I/O Interface. Use Table 2-5 on page 8 to select the correct switch settings for the rack address. Note that setting a switch OFF acts as a logical “1”...

  • Page 13: Led Indicators

    LED Indicators Four LEDs on the IQ plus 510/710 backplate provide status information for the operator (see Figure 2-3 on page 3). Table 2-6 summarizes the function of the LEDs. See Section 6.0 on page 33 for more troubleshooting information. Color Function Power...

  • Page 14: Allen-Bradley Serial Stream

    Allen-Bradley Serial Stream Figure 2-9 shows the format of the Allen-Bradley serial stream format. This format is output from the indicator when the EDP port AB-RIO and STREAM parameters are set ON. <POL> <wwwwwww> <S1> <S2> <TERM> Polarity: Termination character: <Space>...

  • Page 15: Discrete Transfer Commands

    Discrete Transfer Commands The PLC controller uses discrete write and discrete read commands to send and receive data from the Remote I/O Interface. The PLC controller and Remote I/O Interface share a quarter rack of slot space, resulting in two 16-bit words for the output image table (used to write commands to the indicator) and two 16-bit words for the input image table (used to read data from the indicator).
  • Page 16 NOTE: If bit shifting is necessary, the bit shift bit in Bits shifted Multiplier the remote function status information is set on (see None Section 3.2). If bit shifting is used, the PLC program must check this status bit to determine if shifting was necessary and provide the appropriate conversion for the shifted value.
  • Page 17 Using the Output Image Table The output image table can be thought of as storage for two integers, with each integer one word long. Setting the bit pattern required for a discrete write command can be accomplished by adding the decimal values of those bits that are set to 1, then placing the binary sum in the output image table.

  • Page 18: Input Image Table Format

    Input Image Table Format The Remote I/O Interface places two 16-bit words in the PLC input image table which are read by the PLC controller. The Remote I/O Interface receives data from the indicator, then writes data and status information to the input image table based on parameters specified on the previous discrete write command.

  • Page 19: Bit Shifting

    Bit Shifting The Remote I/O Interface supports bit shifting of up to 7 bits for values returned in signed 16-bit format, or 4 bits for values returned in the unsigned 20-bit format. Maximum values are limited by the 7-digit capacity of the indicators.

  • Page 20: Block Transfer Commands

    Block Transfer Commands The Remote I/O Interface supports block transfer commands for the IQ plus 510 and IQ plus 710 indicators. These commands allow the PLC controller to exchange larger blocks of data with the indicator, including gross, net, tare, and accumulator values, and partial setpoint configuration. Some commands are not supported for the IQ plus 510 indicator.

  • Page 21: Set Tare Value

    Set Tare Value The Set Tare Value block write command is used to write a tare value to the indicator. Table 4-2 shows the format of the command: Bit Number Word Word Contents Command Number (1) Channel Number (1) Tare Value (MSW) Tare Value Tare Value (LSW) Table 4-2.

  • Page 22: Set Setpoint Values

    Set Setpoint Values The Set Setpoint Values block write command is used to write setpoint information to the indicator. Table 4-4 shows the format of the command: Bit Number Word Word Contents Command Number (2) Setpoint Number (1–8) Setpoint Kind (0–18) Setpoint Value (MSW) Setpoint Value Setpoint Value (LSW)
  • Page 23 Value Kind Description CONCUR Allows a digital output to remain active over a specified portion of the batch sequence. Two types of Concur setpoints can be configured: Type 1: The digital output associated with this setpoint becomes active when the Start setpoint becomes the current batch step and remains active until the End setpoint becomes the current batch step.

  • Page 24: Read Setpoint Values

    Block read command 2 returns a response code to the PLC controller, indicating whether or not the Set Setpoint Values block write command was successful. Possible values for the response code field are: 00 Command successful 01 Command failed 10 Block write command format not valid If the block write command failed, the command number returned in word 0 is set negative (-2).

  • Page 25: Read Accumulator Value

    Read Accumulator Value The Read Accumulator Value block write command is used to read accumulator values from the indicator. Table 4-10 shows the format of the command: Bit Number Word Word Contents Command Number (4) Accumulator Number (1) Table 4-10. Block Write Command 4: Read Accumulator Value Command Number Specifies the Read Accumulator Value command number, 4.

  • Page 26: Read Tare Value

    Read Tare Value The Read Tare Value block write command is used to read a tare value from the indicator. Table 4-12 shows the format of the command: Bit Number Word Word Contents Command Number (7) Channel Number (1) Table 4-12. Block Write Command 7: Read Tare Value Command Number Specifies the Set Tare Value command number, 7.

  • Page 27: Read Gross Value

    Read Gross Value The Read Gross Value block write command is used to read a gross value from the indicator. Table 4-14 shows the format of the command: Bit Number Word Word Contents Command Number (8) Channel Number (1) Table 4-14. Block Write Command 8: Read Gross Value Command Number Specifies the Read Gross Value command number, 8.

  • Page 28: Read Net Value

    Read Net Value The Read Net Value block write command is used to read a net value from the indicator. Table 4-16 shows the format of the command: Bit Number Word Word Contents Command Number (9) Channel Number (1) Table 4-16. Block Write Command 9: Read Net Value Command Number Specifies the Read Net Value command number, 9.

  • Page 29: Set Multiple Setpoint Values

    Set Multiple Setpoint Values The Set Multiple Setpoint Values block write command is used to set the setpoint value for one or more setpoints. Depending on the number of setpoint values set, the command length can vary from 4 to 18 words. Table 4-18 shows the format of the command: Bit Number Word...

  • Page 30: Read Multiple Setpoint Values

    Read Multiple Setpoint Values The Read Multiple Setpoint Values block write command is used to read the setpoint value for one or more setpoints from the indicator. Table 4-20 shows the format of the command: Bit Number Word Word Contents Command Number (12) Read Through Setpoint Number (1–8)

  • Page 31: 4.10 Set Batching State

    4.10 Set Batching State The Set Batching State block write command is used to set the batching (BATCHNG) parameter to OFF, AUTO, or MANUAL. Table 4-22 shows the format of the command: Bit Number Word Word Contents Command Number (13) Batching State (0–2) Table 4-22.

  • Page 32: Operation

    Operation The examples on the following pages provide PLC programming examples for using the Remote I/O Interface. Test Program for Verifying Remote I/O Interface Operation The programming example shown on the next page writes a series of discrete commands to the Remote I/O Interface and checks the status bits returned in the input image table to confirm completion of each command.
  • Page 33 CLEAR DISCRETE WRITE OUTPUT COMMAND FIRST PASS COMMAND WORD S2:1 Move Source Dest O:2.1 IF TARE BIT IS SET, SEND TARE COMMAND TO DISCRETE WRITE OUTPUT TARE SCALE COMMAND WORD Move Source Dest O:2.1 IF GROSS BIT IS SET, SET SCALE TO GROSS MODE DISPLAY GROSS WEIGHT COMMAND WORD Move...

  • Page 34: Plc Program For Converting 20-Bit Values To Floating Integers

    PLC Program for Converting 20-bit Values to Floating Integers The following programming example converts a 20-bit value in the input image table to a floating integer value stored at location F8:5. DISCRETE WRITE WEIGHT CONVERSION ROUTINE INPUT IMAGE WORD 1 COPY INPUT IMAGE WORD 1 TO INTEGER FILE Copy File Source...

  • Page 35: Using Block Transfer To Set And Read Setpoint Values

    Using Block Transfer to Set and Read Setpoint Values The following program example uses block transfer commands to write setpoint values to the IQ plus 510/710 indicator (block write/block read command 2), then read the values for the setpoint (block write/block read command 3).
  • Page 36 Floating point values used for the Set Setpoint Values parameters must be copied into separate words before issuing the command. Values returned on the Read Setpoint Values block read command must be converted back to floating point values. The following example shows these conversions for all four parameters on the Set and Read Setpoint Values commands.

  • Page 37: Troubleshooting

    Troubleshooting The LED indicators on the indicator backplate can be used to isolate hardware and configuration problems. The LEDs show whether the problem exists in the connection to the indicator, the connection to the PLC controller, or the Remote I/O Interface itself. The flowchart on the following page provides a diagnostic procedure for troubleshooting the Remote I/O Interface using the unit’s LED indicators.
  • Page 38 START PLC Program FLASHING POWER Unit plugged in and Probable bad power supply Probable bad EPROM power available at LED state? Call RLWS Service Call RLWS Service outlet? No communication with RIO network Check network connections to J5 FLASHING Place PLC/SLC controller in RUN mode LED state? Check DIP switch configuration for:...

  • Page 39: Remote I/O Interface Specifications

    Remote I/O Interface Specifications Power Requirement 5 VDC, 250 mA Communications Specifications Allen-Bradley Remote I/O Network Communications: Twinaxial cable attachment to networks at 56.6, 115.2, or 230.4 Kbps Serial Communications: Interface: RS-232C, 20mA current loop (optional) Data rate: 9600 or 19.2 Kbps ASCII encoding: 1 start bit, 8 data bits, 1 stop bit Update Rate: 60 updates/sec Environmental Specifications...

  • Page 40: Remote I/O Interface Limited Warranty

    Remote I/O Interface Limited Warranty Rice Lake Weighing Systems (RLWS) warrants that all RLWS 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 year.

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