SOP Sample Gate and SbyC Operating Instruction for Little Goose Juvenile Facility

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Standard Operating Procedure
Subject:
SOP Sample Gate Operating Instructions for Little Goose Juvenile Facility
Author:
Troy Humphrey
Approved by:
Don Warf

Contents

Objective

The Objective of this SOP is to give site personnel a working knowledge of the various functions available to them for entering sample rates and making up samples that are missed.

Scope

This SOP is for site personnel responsible for entering sample rates and strictly pertains to Little Goose’s Juvenile fish facility. The sample gates are controlled by a Programmable Logic Controller located near the separator. Commonly referred to as a PLC, this device is accessed by an Human Machine Interface or HMI located in the Separator Shack. The HMI took the place of a device referred to as the Panel View or PV600. The HMI acts as a menu driven operator interface to the PLC. All functions of the sample gates are set by HMI operator inputs and control switches mounted on the panel located next to B Slide Gate.

Responsibilities

The personnel responsible for entering sample rates are determined by the site biologist.

Procedure

Overview

  1. Through out this manual the following formatting shall apply:
    • PAGE TITLE , PARAMETER HEADING or SCREEN NAVIGATION.
      • Used to indicate the current graphic being displayed or what the value below the heading represents or what screen will appear if the box on the screen is touched.
    • ‘PARAMETER’
      • A user settable value such as ‘SAMPLE PERCENTAGE’ or a PLC generated value such as ‘TIME REMAINING’.
    • Switch or SWITCH SETTING.
      • User settable switches that effect gate and sample functionality such as: The SbyC Enable is set to OFF .
  2. The HMI is a touch screen operator interface. The user can simply touch certain areas on the screen to perform specific tasks. The screens have different colored boxes and text that will help the user identify their functionality.
    • Yellow text are values produce by the PLC and are dependent on parameters entered by the user.
    • Light blue boxes with white text are screen push buttons that allow the user to navigate to different screens or to open data entry screens.
      • Once a data entry screen is open the numeric pad is used to enter in values. These values are written to the PLC when the user presses the enter key. If the ramp up or ramp down arrows are used the value is changed instantly in the PLC
  3. Touch anywhere on the screen if the screen is black due to the screen saver being on.
    • The main menu screen will appear and look similar to the screen displayed below.
    • If a screen other than the one below appears press the MENU button located in the lower left section of the HMI.


    Image:GOJ_Sample-Main-Sample_Auto.jpg


  4. In the left hand column A Sample Gate’s mode and times are displayed. In the right hand column B Sample Gate’s mode and times are displayed. These will change color and text depending on the state of the Sample Mode switch located near B Slide Gate and are explained in detail further on in this document.
  5. The current ‘SAMPLE PERCENT’ for A Sample Gate will be displayed below the heading SAMPLE PERCENT in the left column. The current ‘SAMPLE PERCENT’ for B Sample Gate will be displayed below the heading SAMPLE PERCENT.
  6. The current ‘OPENINGS PER HOUR’ for A Sample Gate will be displayed below the heading OPENINGS PER HOUR. The current ‘OPENINGS PER HOUR’ for B Sample Gate will be displayed to the right of the heading OPENINGS PER HOUR in the right column.
  7. If A or B Sample Gate is in sample the ‘SAMPLE TIME REMAINING’ will be displayed below the heading SAMPLE REMAINING in their respective column.
  8. The time remaining until the next sample will be displayed below the heading ‘TIME TO NEXT’.
  9. Under the heading A SAMPLE the current mode of the A Sample Gate will be displayed. Under the heading B SAMPLE the current mode of the B Sample Gate will be displayed. There are four possible modes that can be displayed. A graphic and explanation of each is listed below.


Image:GOJ_GOJ_Sample-Main-Sample_Bypass.jpg



  • This graphic shows both sample modes to be in BYPASS, meaning the Sample Mode switches located near B Slide gate have been put in the OFF position and no sample will occur.


Image:GOJ_Sample-Main-Sample_Auto.jpg



  • This graphic shows the sample modes being in AUTO, meaning the Sample Mode switches located near B Slide gate have been put in the AUTO position and the sample gate will open and close based on the 'SAMPLE PERCENT' and 'OPENINGS PER HOUR'.


Image:GOJ_Sample-Main-Sample_100.jpg



  • This graphic shows the sample modes being in 100%, meaning the Sample Mode switches located near B Slide gate have been put in the ON position and the sample gate will remain in the sample position.


Image:GOJ_Sample-Main-Sample_Makeup.jpg



  • This graphic shows the MAKEUP mode to be active for both sample gates. The text along the bottom of the screen is the sample make up status message and displays the availability of the sample make up function which will be discussed later in this procedure. The back ground color of the sample mode indication and the messages at the bottom of the screen will flash when the sample is in the MAKEUP mode.

Changing the Sample Percent

From the MAIN menu touch the box with the text SET PERCENT. This will take you to a screen that looks like the one below.

Image:GOJ_Sample-Set_Percent.jpg



  1. To set the ‘SAMPLE PERCENT’ for an individual gate touch the box to the right of the gate you wish to set the ‘SAMPLE PERCENT’ for. If you would like to set the ‘SAMPLE PERCENT’ for both gates to the same value, touch the box to the right of the text SET BOTH.
  2. If you decide not to enter a new sample percent press the lower left arrow of the numeric keypad, this arrow will act as a backspace.If you press it enough times it will return you to the MAIN menu.
  3. A display box with a numeric key pad will appear over the screen. The parameter you are about to change will be reflected in the text at the top of the numeric key pad. If you are changing the 'A SAMPLE PERCENT' the text should read 'ENTER_A_%' Use the numeric keypad to enter any percent between 00.001% and 99.999% and press the enter button. This will enter the new ‘A SAMPLE PERCENT’ .
  4. Once the new ‘SAMPLE PERCENT’ is entered the new sample cycle will start. The cycle will start with the gate in the closed (not sampling) part of the cycle.
  5. If you decide not to enter a new 'A SAMPLE PERCENT' press the EXIT button on the numeric keypad.
  6. Touch the box with the text MAIN to return to the MAIN screen.
  7. Touch the box with the text SET TIME to go to the TIME page.
  8. Touch the box with the text SET OPENINGS to go to the OPENINGS PER HOUR page.
  9. The date and time are displayed at the bottom of the screen
  10. The TIME TO NEXT and SAMPLE TIME REMAINING are displayed to the right of their respective SAMPLE PERCENT value.


Changing the Openings Per Hour

From the MAIN menu touch the box with the text SET PERCENTS. This will take you too a screen that looks like the one below.

Image:GOJ_Sample-Set_Openings.jpg



  1. To set the ‘OPENINGS PER HOUR’ for an individual gate touch the box to the right of the gate you wish to set the ‘OPENINGS PER HOUR’ for. If you would like to set the ‘OPENINGS PER HOUR’ for both gates to the same value touch the box to the right of the text SET BOTH.
  2. A display box will with a numeric key pad will appear over the screen. The parameter you are about to change will be reflected in the text at the top of the numeric key pad. If you are changing the 'A OPENINGS PER HOUR' The text should read 'ENTER_A_OPENINGS'. Use the numeric keypad to enter any number of openings between 1 and 12 and press the enter button. This will enter the ‘OPENINGS PER HOUR’.
  3. Once the new ‘OPENINGS PER HOUR’ is entered the new sample cycle will start. The cycle will start with the gate in the closed (not sampling) part of the cycle.
  4. If you decide not to enter a new 'A OPENINGS PER HOUR' press the EXIT button on the numeric keypad.
  5. Touch the box with the text MAIN to return to the MAIN menu.
  6. Touch the box with the text SET TIME to go to the TIME page.
  7. Touch the box with the text SET PERCENT to go to the SAMPLE PERCENT page.
  8. The date and time are displayed at the bottom of the screen
  9. The TIME TO NEXT and SAMPLE TIME REMAINING are displayed to the right of their respective OPENINGS PER HOUR value.



Sample Makeup

The sample makeup graphic is used for making up a sample at the current ‘SAMPLE PERCENT’ and ‘OPENINGS PER HOUR’. The sample makeup graphic is accessed by touching box with the text MAKEUP located in lower part of the MAIN menu. The conditions for sample makeup are as follows.

  1. There must be enough time remaining between samples, plus 5 seconds in order to make up a sample. For example if the sample percent is at 10% and the openings per hour is 6 the amount of time the sample gate is in sample is 60 seconds. If there are 65 seconds or less remaining before the next sample, sample makeup will not be available. If there is 66 seconds or more remaining sample makeup will be available.
  2. If the Sample Mode switch is in the BYPASS mode, sample makeup will not be available.
  3. If the Sample Mode switch is in 100% mode, sample makeup will not be available.
  4. If the Sample Mode switch is in AUTO and a sample is currently active, sample makeup will not be available.


Below is a series of graphics showing the different states the sample makeup graphic may be in.

Image:GOJ_Sample-Sample_Makeup_Not_Available_Bypass.jpg
Sample Mode is in BYPASS
  • When the Sample Mode switch is in the OFF or BYPASS position sample makeup will not be available.



Image:GOJ_Sample-Sample_Makeup_Not_Available_100.jpg
Sample Mode is in 100%
  • When the Sample Mode switch is in the ON or 100% position sample makeup will not be available.



Image:GOJ_Sample-Sample_Makeup_Not_Available_Time.jpg
Sample Mode is in AUTO
  • If the Sample Mode switch is in AUTO position and already in a sample, sample makeup will not be available.
  • When the Sample Mode is in AUTO position and not in a sample and sample makeup is not available it is due to the time remaining between samples is less than the time needed to makeup a sample.



Image:GOJ_Sample-Sample_Makeup_Both_in_Makeup.jpg
Sample Makeup Active
  • To makeup sample on the A or B Sample gate:
    • Press the button with the text PRESS TO MAKEUP SAMPLE under the appropriate column. A sample gate is the left column, B sample gate is the right column.
    • If you mistakenly initiated a sample makeup you can press the button again. It will have the following text PRESS TO CANCEL MAKEUP.
  • The back ground color of the upper indications and the sample modes will flash when sample makeup is active.
    • If A Sample Makeup is active the upper left indication will flash as well as the ‘A Sample Mode’ indication.
    • If B Sample Makeup is active the upper right indication will flash as well as the ‘B Sample Mode’ indication.



Sample Gate Control Switches

The panel located near the B Slide gate has four switches.

  1. Mode Switch
    • The lower left switch is the Sample Mode switch for A sample gate and the lower right switch is the Sample Mode switch for B sample gate. Each has three mode positions.
      • The first position from left to right is labeled OFF for BYPASS. With the switch in this position there will be no sampling.
      • The second or middle position is labeled AUTO for Normal Operation. With the switch in this position, sampling will occur based on the ‘SAMPLE PERCENT’ and ‘OPENINGS PER HOUR’ entered.
      • The third position is labeled ON for 100% Sample. With the switch in this position the sample gate will stay in the sample position.
  2. Divert During Sample
    • The top left switch is the Divert During Sample switch for A sample gate and the top right switch is the Divert During Sample switch for B sample gate. With this switch on, PIT Tagged fish will be diverted during the sample. This will occur at any sample rate but not during BYPASS mode.



Diversion Gate Modes and Test Buttons

  1. Slide Gate Test Buttons
    • A Gate Test Button
      • Located to the left of the PLC panel near the A slide gate is the A GATE test switch. This momentary switch is used to test the operation of the A slide gate. The switch will not work while A Sample gate is in sample unless the Divert During Sample mode is selected.
    • B Gate Switch
      • Located to the right of the PLC panel near the B slide gate is the B GATE test switch. This momentary switch is used to test the operation of the B slide gate. The switch will not work while B Sample gate is in sample unless the Divert During Sample mode is selected.
  2. Side to Side Gate Test Buttons and SbyC Mode Switch
    • These buttons and switch are located next to the side to side gate
      • Test Left
        • This momentary switch is used to test the operation of the Side to Side gate in the left position
      • Test Right
        • This momentary switch is used to test the operation of the Side to Side gate in the right position.
      • SbyC Enable
        • This switch is used to turn Seperation By Code ON or OFF.


Gate Sensors and Trouble Light

  1. The gate sensors installed on the A and B Slide Gates will be maintained by PSMFC but provide indication to site personnel when there are problems with either the sensors or the gates.
  2. The sensors were installed to reduce or eliminate the 'double slam' that occurs during heavy fish traffic. They are also used to monitor the state of the gate and provide visual indication via a trouble light if one of the gates is stuck open or stuck closed. The same trouble light will be lit if one of the gate sensors is missed 3 times or stuck on 3 separate times for more than 3 seconds.
  3. If the trouble light is on there is either a problem with the gate or the sensors and possibly both. A pop up screen will pop up on the HMI in the Separator Shack indicating what tripped the alarm. The operator will have to investigate the cause of the trouble light if it is gate related and contact PSMFC if it is sensor related. The Pop should help start the troubleshooting.

    Image:GOJ_Sample-Sensor_Trouble.jpg


  4. When the trouble light is on, the 'double slam' logic for the gate that is experiencing trouble will be removed from the logic.
    • Example 1
      • The trouble light is on and A Gate Sensor Trouble is flashing on the PV300.
        • A Gate will remove the 'double slam' logic and work as it has in past years until the issue is resolved by PSMFC and re-set.
    • Example 2
      • The trouble light is on and B Gate is stuck open
        • B Gate will remove the 'double slam' logic and work as it has in past years until the gate is unstuck and the alarm is reset by the operator.

  5. To investigate a trouble light, open the enclosure that contains the switches for setting Divert During Sample. You should see something similar to the graphic below.

    Image:GOJ_AB-Gate_Alarms.jpg


  6. If you do not see the above graphic you will most likely be looking at one of the graphics below. From the SAMPLE RATE page press SBYC and then press the ALARMS button on the right side of the A&B GATE TIMERS page.

    Image:GOJ_AB-Sample_Rate.jpg
    SAMPLE RATE



    Image:GOJ_AB-MAIN_Alarms.jpg
    A&B GATE TIMERS


  7. What caused the alarm will be flashing. The graphic below illustrates a problem with B Gate being stuck open. Investigate if the gate is either stuck open or closed, remedy the problem and press the CLEAR TROUBLE LIGHT trouble light button to clear the alarm.

    Image:GOJ_AB-Gate_Alarms.jpg


  8. The graphic below illustrates a problem with B Gate’s sensors. Call PSMFC.

    Image:GOJ_AB-Sensor_Alarms.jpg


  9. The HMI is programmed to switch to the Sample Rate page after 5 minutes of inactivity and to turn off the back light after 10 minutes of inactivity. If you find a screen you are unfamiliar with:
    • You are most likely viewing a PSMFC graphic.
    • Press the MENU button in the lower left portion of the HMI.
    • Once you have reached the A&B GATE TIMERS page menu you can then access the alarms page or the sample rate page.

Frequently Asked Questions

Q: Can I damage the system?
A: No. No operator inputs can damage the system.

Q: Can I use the gate test switches at any time?
A: No. The test switches will not work during an active sample when the Divert During Sample switch is set to OFF.

Q: Can I enter an incorrect value?
A: Yes. Caution should be used when determining sample gate open time. An example would be entering 12 openings per hour with a 00.1 percent sample rate. Point one percent of an hour would be 3.6 seconds. When divided by 12 gate openings per hour the open time per opening would be .3 second. This is not enough time to fully open the gate. The same consideration should be used when using a 99.9 sample rate.

Q: Can I enter a value out of range?
A: No, the PV600 will give you a ‘value out of range’ error.

Q: When the Sample Mode is set to 100%, will PIT tagged fish be diverted from the sample?
A: No. They will only be diverted if the Divert During Sample switch is ON.

Q: With the Sample Mode switch set to AUTO (Normal Operation) and the Divert During Sample switch set to ON, will PIT tagged fish be diverted from the sample.
A: Yes, With the Divert During Sample switch set to ON, PIT tagged fish will be diverted from the sample.

Q: Can the sample be shut off?
A: Yes, when Sample Mode is set to OFF(Bypass) the sample will be shut off.

Q: How can I synchronize a new sample rate with the top of the hour?
A: When a new sample rate or new number of openings per hour is entered the new cycle starts exactly when the enter button is pushed. It should be noted that the value you are changing to synchronize with the top of the hour must be a new value. If you don’t want to change your ‘SAMPLE PERCENT’ or ‘OPENINGS PER HOUR’ but wish to synchronize at the top of the hour you must enter a different ‘SAMPLE PERCENT’ or ‘OPENINGS PER HOUR’ just prior to the top of the hour. This will cause the PLC to see a change in sample rate and re-calculate the sample times. At the top of the hour re-enter the ‘SAMPLE PERCENT’ or ‘OPENINGS PER HOUR’ you wish to run at.

Q: What will happen if a power outage occurs? Will I lose my settings?
A: No. All sample settings are stored in non-volatile memory.


References


Contact PSMFC at (509) 735-2773

Name Extension
Don Warf 1
Scott Livingston 2
Darren Chase 3
Alan Brower 4
Troy Humphrey 5
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