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nVent RAYCHEM NGC-30 Demo Manual

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Summary of Contents for nVent RAYCHEM NGC-30

  • Page 1 NGC-30 Demo Manual...

  • Page 2: Table Of Contents

    Connection Diagram Information Charts RTD Switch Settings ........................3 Color Coding of Main Screen ......................3 nVent RAYCHEM NGC-30-CRM/-CRMS LED Functions ..............3 Quick Start for Demo Setup of Loop 3 ..........................4 Step 1: Setting up Units and Language ��������������������������������������������������������������������������������������������4 Step 2: Setting Time and Date ������������������������������������������������������������������������������������������������������������5...

  • Page 3: Connection Diagram

    CONNECTION DIAGRAM nVent.com | 3...

  • Page 4: Information Charts

    INFORMATION CHARTS (Inside the RAYCHEM NGC-30 cover) RTD SWITCH SETTINGS Loop #3 Loop #4 45ºC 113ºF 44ºC 112ºF 61ºC 141ºF 60ºC 140ºF 67ºC 152ºF 67ºC 153ºF 83ºC 182ºF 84ºC 183ºF Shorted Shorted Open Open COLOR CODING OF MAIN SCREEN The data in the °F/°C, Amps, and G�F� columns are displayed in color to identify their current state�...

  • Page 5: Quick Start For Demo

    QUICK START FOR DEMO SETUP OF LOOP 3 The following is a typical heat-tracing system for Loop 3 Setup� This is the first screen that appears when the program loads� Step 1: Setting up Units and Language Go to the System|Misc screen and enter the appropriate Units and Language� nVent.com | 5...

  • Page 6: Step 2: Setting Time And Date

    At first start-up, the program scans for the Device Addresses for the NGC-30-CRM/-CRMS, RMC and RMM2, and a database is created� Once the database exists, no further scanning is done� A device address is the number assigned via the rotary switches on the NGC-30-CRM/-CRMS, RMC or RMM2 board�...

  • Page 7: Step 4: Setting Up A Loop

    Step 4: Setting up a Loop Step 4A: Go to the Setup|Loop screen� At initial start-up, the Setup|Loop screen automatically displays Loop 1� Step 4B: Press on the Loop field and a pop-up window appears� • For this example, Loop 3 was entered •...
  • Page 8 Step 4C: Press on the ID field and a pop-up window appears� • The pop-up window is a text-editing screen that works similar to cell phone text messaging� There are selection keys for Upper Case Letters, Lower Case Letters, and Special Characters� The keypad portion allows text to be entered by pushing the appropriate keys�...
  • Page 9 Step 4E: Press on the Relay Number field� Step 4E continued: This screen shows the pop-up window prior to any Relay assignment� • Press on the word ‘Available’ to the right of #3 to assign Relay 3 as the output device for Loop 3�...
  • Page 10 Step 4F Continued. Pop-up window for control Mode appears� • This pop-up window allows selection of a Loop’s basic operating mode� The NGC-30-CRM, used in this example, has available Control modes: On/Off, Proportional, PASC, Always On, Always Off, and Voltage�...

  • Page 11: Step 5: Review The Fail Safe Setting

    • Pressing the Fail Safe toggle button alternates the Fail Safe mode between Power Off and Power On� This selection tells the NGC-30-CRM/-CRMS if the heater should be turned on or off if all of the RTD(s) for this Loop fail�...

  • Page 12: Step 7: Go To The Setup|Temp Screen

    • For this example, the Ground Fault Current Alarm and Ground Fault Current Trip levels are set to 20 mA and 30 mA respectively� o At less than 20mA, the NGC-30 program takes no action� At 20 mA or more leakage, an alarm is indicated and logged to the Events List�...

  • Page 13: Step 9: Go To Setup|Current Screen

    • Input Power Limit - This input is enabled only when SSR control devices are detected (NGC-30 CRMS panel)� A Power Limit setting less than 100% will limit the “on-time” of a constant wattage heater to the percentage indicated in the entry window� This has the effect of lowering the amount of power that the heater can produce�...

  • Page 14: Loops 3 Setup Complete Confirmation

    Loop 3 Disabled • On the Main menu screen, any Disabled Loop is grayed out as above LOOPS 3 SETUP COMPLETE CONFIRMATION After completing the Setup for Loops 3 and Loops are Enabled, go to the Main screen to confirm all Loops are activated and working properly�...

  • Page 15: Main Screen And Events/Alarms Navigation

    MAIN SCREEN AND EVENTS/ALARMS NAVIGATION Navigating Between Screens The top row of the screen contains the main menu buttons, and the bottom row contains subsets of those main menu buttons. To navigate between screens, simply press a combination of a Main Menu|Submenu button Main: Displays the status of all Loops Setup: Displays the setup parameters for a Loop Setup: Displays the setup parameters for a Loop...

  • Page 16: Loop 5 Voltage Monitoring - Status Only

    (D) The Relay output number (3) LOOP 5 VOLTAGE MONITORING – STATUS ONLY Monitor’s line voltage from the NGC-30-CRM/-CRMS� • Go to the status screen for Loop 5 by either (A) Press on Loop’s 5 ID name (ID 5) or (B) Press on Status|Loop, press on Loop field and select 5 and Enter�...

  • Page 17: Creating Alarms

    CREATING ALARMS GROUND FAULT TRIP ALARM Using Loop 1 Ground-fault trip button • Press the ground fault button on the front panel NOTE: Loop 1 must be on� Go to Main screen • Notice, Heater (light) turned off, Relay status Trip nVent.com | 17...
  • Page 18 Press Acknowledge button • Automatically brings you to the Events|Alarm screen detailing the Ground Fault Trip alarm • The high Ground Fault Trip is a latching alarm, (notice it is blinking red/orange) and requires user action to reset • Press on Automatically brings you to Status|Loop screen for Loop 1 •...

  • Page 19: Low And High Temperature Alarms

    LOW AND HIGH TEMPERATURE ALARMS Using Dials on Front Panel RTD Temperature, Heater Current and Ground Fault Current for Loop 3 and 4 can be changed via the dials on the front panel� The following example can be applied to either Loop 3 or Loop 4� For this example, Loop 3 was used�...
  • Page 20 Press Main to go to the Main screen • Turn Loop 3 temperature dial back to B • Notice Low Temperature alarm cleared • Loop 3’s ID is now black and °C in Green High Temperature Alarm Turn Loop 3 Temperature dial to D •...

  • Page 21: Low And High Current Alarms

    • Turn Loop 3 temperature dial, on the front panel of the demo unit, back to B • Notice High Temperature alarm cleared • Loop 3’s ID is now black and °C in Green Low and High Current Alarms Low Current Alarm •...
  • Page 22 Press Main to go to the Main screen • Notice ID and Amps are in Red for Loop 3 NOTE: Alarm will not show up until after 1 minute� Press Acknowledge button • Automatically brings you to the Events||Alarm screen detailing the current alarm 22 | nVent.com...
  • Page 23 Press Main to go to the Main screen • Turn Loop 3 Line Current dial, on the front panel of the demo unit, clockwise until Amps is between 3�0 and 10�0 Amps • Notice Low current alarm is cleared • Loop 3’s ID is now in black and Amps in Green High Current Alarm •...
  • Page 24 Press Acknowledge button • Automatically brings you to the Events|Alarm screen detailing the current alarm • High Current is a latching alarm, (notice it is blinking red/orange) and requires user action to reset • Press on Automatically brings you to Status|Loop screen for Loop 3 •...

  • Page 25: Ground Fault Alarm

    Ground Fault Alarm Turn Loop 3 Ground Fault dial, on the front panel of the demo unit, clockwise until G�F� on Main screen reads between 21 and 29� • Notice ID and G�F� in Red Press Acknowledge button • Automatically brings you to the Events|Alarm screen detailing the current alarm •...
  • Page 26 Press Acknowledge button • Automatically brings you to the Events|Alarm screen detailing the Ground Fault Trip alarm • The high Ground Fault Trip is a latching alarm, (notice it is blinking red/orange) and requires user action to reset • Press on Automatically brings you to Status|Loop screen for Loop 3 •...

  • Page 27: Communication Alarm

    Communication Alarm Remove the RS-485 plug (RMM2) from the NGC-30-CRMS board nVent.com | 27...
  • Page 28 • Loop 2 and Loop 6 were using RTD inputs from the unplug RMM2 Press Acknowledge button • Automatically brings you to the Events|Alarm screen detailing the RMM2 communication alarm and RMM2 Device number • Reinstall the RS-485 plug back into the NGC-30-CRMS board and Communication alarm will clear 28 | nVent.com...

  • Page 29: Proportional Control Demonstration

    PROPORTIONAL CONTROL DEMONSTRATION The proportional control algorithm monitors the control temperature of the Loop and compares it to the setpoint temperature� If the control temperature is at or below the setpoint temperature, then power is applied to the heater with a duty cycle of 100%� If the control temperature is equal to or greater than the control setpoint temperature + 2�2°C, then the relay output will have a duty cycle of 0%�...
  • Page 30 At 32°C, the LED light flashes, and at 34°C LED is off� 30 | nVent.com...
  • Page 31 nVent.com | 31...
  • Page 32 Europe, Middle East, Africa (EMEA) Italia Serbia and Montenegro +39 02 577 61 51 +381 230 401 770 +32.16.213.511 Fax +32.16.213.604 Fax +39 02 577 61 55 28 Fax +381 230 401 770 thermal.info@nvent.com salesit@nvent.com salesee@nvent.com België / Belgique Lietuva/Latvija/Eesti Schweiz / Suisse +32 16 21 35 02 +370 5 2136633...

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