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Critical Environment Technologies PDC Series Installation And Operation Manual

Programmable digital controllers & digital sensor / transmitters
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Critical Environment Technologies Canada Inc.
"PDC" Series Programmable Digital Controllers &
"DST" Series Digital Sensor / Transmitters
INSTALLATION / OPERATION MANUAL
REV: E May 20, 2008
Critical Environment Technologies Canada Inc.
Unit 145, 7391 Vantage Way Delta, BC V4G 1M3
Canada Ph: 604-940-8741 Fx: 604-940-8745
www.critical-environment.com
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  • Page 1 Critical Environment Technologies Canada Inc. “PDC” Series Programmable Digital Controllers & “DST” Series Digital Sensor / Transmitters INSTALLATION / OPERATION MANUAL REV: E May 20, 2008 Critical Environment Technologies Canada Inc. Unit 145, 7391 Vantage Way Delta, BC V4G 1M3 Canada Ph: 604-940-8741 Fx: 604-940-8745 www.critical-environment.com...
  • Page 2 SAFETY, DO NOT INSTALL IT OR USE IT IN CLASSIFIED HAZARDOUS AREAS (EXPLOSION-RATED ENVIRONMENTS). THIS MANUAL INCLUDES INSTALLATION, OPERATION AND TROUBLE-SHOOTING DETAILS AND SPECIFICATIONS FOR THE PDC SERIES CONTROLLER AS WELL AS THE DST SERIES DIGITAL SENSOR / TRANSMITTERS, WHICH ARE USED EXCLUSIVELY WITH THE PDC CONTROLLER.

  • Page 3: Table Of Contents

    INDEX SECTION DESCRIPTION PAGE General .................. Controller Specifications ............. Wiring Specifications & Installation Instructions ....Installation (including sensor mounting heights)....Wiring ..................Jumper Settings & Wiring Examples ........Enclosure Outer Dimensions Drawing ....... Enclosure Interior Layout Drawing ........Wiring Connections Drawing (Digital) ........ Wiring Connections Drawing (Analog) .......

  • Page 4: General

    1.0 GENERAL PDC series systems are configurable, digital, microprocessor based, controllers for use in non-hazardous (non-explosion rated) environments for commercial and industrial applications. They are available in several basic configurations. One to eight analog channels, one to sixteen digital channels, one to thirty-two digital channels, one to sixty-four digital channels, one to ninety-six digital channels, one to one hundred and twenty-eight digital channels.

  • Page 5: Wiring Specifications & Installation Instructions

    2.0 CONTROLLER SPECIFICATIONS, CONT’D….. Fuses: Replaceable: Primary: 1.5 amp, Power supply: 2.0 amp Options: a) Remote mounted 4” diameter strobe light b) Remote mounted combination strobe light/siren alarm c) Remote mounted 5” industrial horn (115VAC) d) Water/dust tight, corrosion resistant system enclosure e) Remote relay module f) Remote analog output module g) Remote annunciator (remote display)

  • Page 6: Installation (Including Sensor Mounting Heights)

    3.0 INSTALLATION Standard: Four 3/16” diameter mounting holes can be located at the corners inside the enclosure base. Take caution when using installing tools inside system enclosure to avoid damaging internal components. Water/dust tight: These enclosures are optional and are supplied with four mounting feet that must be attached by the installer. A liquid tight conduit fitting must be used to maintain the water tight state of this enclosure.

  • Page 7: Wiring

    3.1 WIRING Digital System: If a digital system has been selected, refer to “WIRING SPECIFICATIONS AND INSTALLATION INSTRUCTIONS” on page 5. The wiring terminal strip for the digital system can be found at the bottom middle edge of the circuit board. Refer to section 4.1, page-10 for a detailed wiring drawing.
  • Page 8 3.2 JUMPER SETTINGS AND WIRING EXAMPLES, CONT’D….. System wiring can originate at the “CAN-IN” or “CAN-OUT” wiring terminals of the PDC. They are parallel connected internally. System wiring can also originate at both and run in two directions to save on conduit and wire. Several installation examples are described below with correct jumper positions indicated.

  • Page 9: Enclosure Outer Dimensions Drawing

    4.0 ENCLOSURE OUTER DIMENSIONS KNOCKOUTS KNOCKOUTS 12.25” 311 mm LOCK SILENCE PUSH-BUTTON AUDIBLE ALARM 4.19”” 106 mm 12.25” 311 mm NOTE-1: Three knockouts can be found along the top edge and three along the bottom edge of the system enclosure NOTE-2: Standard enclosure is powder painted, 18-gauge steel with locking, hinged door.

  • Page 10: Enclosure Interior Layout Drawing

    4.1 ENCLOSURE INTERIOR LAYOUT PHOTO RELAY WIRING TERMINALS ENCLOSURE MAIN FUSE MOUNTING ENCLOSURE HOLE MOUNTING HOLE INCOMING LINE VOLTAGE SYSTEM 24VDC FROM POWER INTERNAL SWITCHING POWER SUPPLY TOP OF ENCLOSURE >>> WIRING TERMINALS FOR DIGITAL SENSORS PROGRAMMING PUSH-BUTTONS ENCLOSURE ENCLOSURE MOUNTING MOUNTING HOLE...

  • Page 11: Wiring Connections Drawing (Digital)

    4.2 WIRING CONNECTIONS DRAWING (DIGITAL)

  • Page 12: Wiring Connections Drawing (Analog)

    4.3 WIRING CONNECTIONS DRAWING (ANALOG)

  • Page 13: Dst Digital Electrochemical Sensor/Transmitter Drawing

    4.4 DST DIGITAL ELECTROCHEMICAL SENSOR / TRANSMITTER DRAWING...

  • Page 14: Dst Digital Solid-State Sensor/Transmitter Drawing

    4.5 DST DIGITAL SOLID-STATE SENSOR / TRANSMITTER DRAWING...

  • Page 15: Main Circuit Board Photo Digital

    5.0 MAIN CIRCUIT BOARD PHOTO DIGITAL CONTACT RELAYS FOR CONTROL OF EXTERNAL DEVICES SUCH AS STARTERS, ETC. “J3” JUMPER LOCATION SECOND CAN WIRING “J5” JUMPER LOCATION INCOMING 24VDC SYSTEM POWER FIRST CAN WIRING FOR “SYSTEM RESET” FOR THE BOTH CAN FROM SWITCHING POWER SUPPLY TERMINAL STRIP TERMINAL STRIP...

  • Page 16: Main Circuit Board Photo Analog

    5.1 MAIN CIRCUIT BOARD PHOTO ANALOG WIRING TERMINAL STRIP WIRING TERMINAL STRIP “J3” JUMPER LOCATION SUPPLYING 24VDC TO FOR INDIVIDUAL ANALOG FOR “SYSTEM RESET” ANALOG TRANSMITTERS SIGNAL WIRES FROM ANALOG TRANSMITTERS...

  • Page 17: Dst Circuit Board Photo (Electrochemical)

    5.2 DST CIRCUIT BOARD PHOTO (ELECTROCHEMICAL) LINK LED AUTO-CAL PUSH-BUTTON AUTOMATIC RESETTING THERMAL FUSE LED-2 FOR CALIBRATION WIRING INPUT TERMINALS ELECTRO- WIRING CHEMICAL OUTPUT SENSOR TERMINALS SOCKETS ATTACH METER LEADS HERE TO END-OF-LINE VIEW SENSOR JUMPER GOES RESPONSE, IF HERE DESIRED 5.3 DST CIRCUIT BOARD PHOTO (SOLID-STATE) LINK LED...

  • Page 18: System Operation

    6.0 SYSTEM OPERATION Powering up: Double check wiring connections at both the PDC controller and the remote mounted DST series digital transmitters or AST series analog transmitters prior to powering up the system. Any system that has been damaged because of incorrect wiring is not covered under warranty.

  • Page 19: System Programming-General

    7.0 SYSTEM PROGRAMMING– GENERAL System Configuration: The PDC controller is completely configurable by the end user. Reference the following pages for more details regarding the configuration of a system. Programming: Any changes in the system operation can be made quickly and easily by means of the push-button programming feature. Three small, momentary push-buttons can be located on the upper left corner of the circuit board.

  • Page 20: System Programming-Input Codes Descriptions

    7.2 INPUT CODE DESCRIPTIONS 1211 “LOW ALARM SET POINT”: This code allows the user to set or change the system low alarm set point. This is the point at which the low alarm LED illuminates and any relays designated as “LOW” are de-energized. To achieve this, enter code “1211” and the LCD indicates the channel number (it always starts at channel-1), the menu number you just entered and the existing low alarm set point.
  • Page 21 7.2 INPUT CODE DESCRIPTIONS, CONT’D….. 1231 “GAS SENSOR TYPE”: This code allows the user to select the type of sensor being used on a particular channel. The decimal and units of measurement are automatically selected for each sensor type. To achieve this, enter “1231” and the LCD will look like the box below. Use the “1”...
  • Page 22 7.2 INPUT CODE DESCRIPTIONS, CONT’D….. 2213 “HIGH ALARM ASCENDING / DECSENDING”:This code allows the user to set the high alarm response for each channel to be ascending or descending to suit their specific application. To achieve this, input code 2213 and the LCD indicates “CH 01 Menu 2213, High Alarm Asc”.
  • Page 23 7.2 INPUT CODE DESCRIPTIONS, CONT’D….. GAS SENSOPR TYPE - CODE 1231 - GAS SENSOR LISTING DISPLAY SENSOR UNITS INDICATION TYPE TYPE OF MEASURE CO el 0 ppm Carbon Monoxide Electrochemical CO ct 0 %Vol Carbon Monoxide Catalytic % Volume CO ct 0 %LEL Carbon Monoxide Catalytic % LEL...

  • Page 24: System Programming-Output Codes

    7.3 SYSTEM PROGRAMMING - OUTPUT CODES CODE DESCRIPTION SETTING LOW (NULL VALUE) FOR 4 - 20 mA OUTPUT MODULE 1321 1322 SETTING HIGH (SPAN VALUE) 4 - 20 mA OUTPUT MODULE 1331 CALIBRATING LOW (NULL) OF 4 - 20 mA OUTPUT MODULE 1332 CALIBRATING HIGH (SPAN) OF 4 - 20 mA OUTPUT MODULE 2112...

  • Page 25: System Programming - Output Code Descriptions

    7.4 OUTPUT CODE DESCRIPTIONS 1321 “SETTING LOW (NULL VALUE) FOR 4 - 20 mA OUTPUT MODULE”: This code allows the user to set a value representing the 4.00 mA output. Example: Typically 4.00 mA would represent “0” ppm or “0” % LEL gas, so the user would set this value to “0”. To achieve this, input code “1321”...
  • Page 26 7.4 OUTPUT CODE DESCRIPTIONS, CONT’D….. 2122 “ACTIVATING THE INTERNAL AUDIBLE ALARM AT FAULT CONDITION”: This code allows the user to determine if the internal audible alarm should be activated with a PDC fail condition. To achieve this input code “2122”. The LCD looks like the box below. Use button “1”...
  • Page 27 7.4 OUTPUT CODE DESCRIPTIONS, CONT’D….. 2331 NORMAL RELAY ACTIVATE (GAS ALARM)”: This menu item is used to select the type of alarms which will activate each relay. “ There are 3 choices in this menu item; “Sense”, “All” or “None”. In the “Sense” mode, any channel listed in menu item 2112, which goes into alarm, will cause a specific relay to activate.
  • Page 28 7.4 OUTPUT CODE DESCRIPTIONS, CONT’D….. 3132 “RELAY TOGGLE”: This menu item allows the user to toggle each of the relays manually. The user simply enters “3132” and the display will look like the box below. NOTE: When this code is first entered, the system automatically de-energizes all relays. The user must first re-energize all relays prior to the toggle function.
  • Page 29 7.4 OUTPUT CODE DESCRIPTIONS, CONT’D….. 3311 “ENABLE / DISABLE REMOTE DISPLAY MODULE”: This code allows the user to add one or more remote display module(s) (Remote Annunciator) to the PDC BUS system. The remote annunciator simply reproduces the information indicated on the PDC LCD and LED lights as well as activating it’s own audible alarm when the PDC main internal audible alarm is activated.

  • Page 30: Calibration Of Dst Sensor/Transmitters

    8.0 CALIBRATION OF SENSOR / TRANSMITTERS Frequency: All sensors require regular calibration maintenance to ensure accuracy and indeed to confirm that they have not expired. Electrochemical sensors installed in applications such as parking facilities should be gas calibrated a minimum of once per year. A frequency of once every six months is preferred.

  • Page 31: Peripheral Devices

    9.0 PERIPHERAL DEVICES Extra Relays: If the target application will require more than eight relay contacts, optional remote relay modules (M/N RRM-8) can be purchased and attached to the system wiring run. Each module provides eight only S.P.D.T. dry contact relays rated 5 amps @ 240 VAC. The extra relays can be programmed from the system codes.

  • Page 32: Trouble-Shooting

    12.0 TROUBLE-SHOOTING If after 10 min of operation there are errors in the system the following check list should be carried out. 1) Check that there is adequate power on the system. a) 120VAC (main control board) b) 24VDC line on the system wiring run (at each DST) 2) Check that all the link (amber) lights are “on”...
  • Page 33 12.0 TROUBLE-SHOOTING, CONT’D….. With the POWER ON 1) Check the voltage on the 24VDC line. A reading of anywhere between 24.0 VDC to 20.0VDC is acceptable. Anything below 20.0 VDC is unacceptable. 2) Set the controller into 3323 mode Check the voltage between the data-A line and COM. This should be roughly 2.5 volts. Check this voltage at both ends of the node. A reading of anywhere between 2.0 VDC to 3.0VDC is acceptable.
  • Page 34 12.0 TROUBLE-SHOOTING, CONT’D….. Software 1) Check System Error/WDT Test Menu 3331. The display will indicate what the source of the error is then a number. Next it will ask if you wish to test the WDT. 2) Stack Overflow – Software error call factory 3) Stack Underflow–...

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