Table of Contents
Summary of Contents for Conspec Controls CX Series
- Page 1 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 Universal Transmitter CX/CN Series Operations & Maintenance Manual (800) 487-8450; Fax: (724) 489-9772 Page 1 of 17 http://www.conspec-controls.com...
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Page 2: Warranty & Disclaimer Information
*Replacing inoperative or questionable parts or units WARRANTY Conspec Controls Inc. provides warranty service for one (1) year from the shipping date on all electronic and mechanical components. Sensor elements are considered a consumable part subject to varying conditions which can affect their expected life. Sensor elements are covered under warranty for a period of six (6) months. -
Page 3: General Description
6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 1.0 GENERAL DESCRIPTION The Universal Gas Transmitter is a micro-controller based electronic sensor that accepts signals delivered by several types of industry standard cells including Electrochemical, Catalytic Bead, Infrared, Photo-Ionization & Thermal Conductivity to determine ambient levels of target gas. The monitor can operate stand-alone, providing local display and alarm indication, or it can be connected to a larger fixed point detection system by incorporating the 900773 MODBUS protocol 2W 485 communications trunk adapter board. -
Page 4: Installation Instructions
6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 3.0 INSTALLATION INSTRUCTIONS The Universal Transmitter is available in a NEMA 4X rated enclosure and a NEMA 7X rated Explosion Proof enclosure for use in Classified Areas. Locate a suitable location free of drips and drafts that allows the user to safely access the unit. The Universal Transmitter shall be mounted so the detection head is pointing downward. - Page 5 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 Transmitter Wiring Diagrams: 4-20mA Process Loop Signal Ground 12-24 VDC 4-20mA Process Loop Signal XP Junction Box Ground 12-24 VDC Silo Adapter Plate Rigid Conduit Extension Sensor Element Dust Guard To Sensor Standard Transmitter Wiring Optional CDMA Silo Insertion Wiring 900739-12/24...
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Page 6: Modbus Overview
6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 4.0 MODBUS OVERVIEW The Conspec 900745 communication board allows interconnection of a Universal Remote Sensor or Combustible Remote Sensor to a standard 2-wire, RS-485, ModBus communication system. The UT communicates ModBus RS485 via 2 wire, twisted-pair connection (18-22 AWG shielded) 900745 2W ModBus 485 Communications Board Data Line Connections: CONNECTOR... - Page 7 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 4.5 Optional Modbus / Relay Card The Conspec 900773-24 (24V version, 900773-12 (12V) custom order) ModBus Relay Card (optional) is a communication board with three relay outputs (1 Alarm, 2 Alarm, Sensor Fail) in addition to allowing interconnection to a standard 2-wire, RS-485, ModBus communication system.
- Page 8 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 Communication Settings: Trunk Address, Parity, and Baud are read from the 900732 Universal Remote Sensor (URS) during power- on initialization. These parameters are entered into the URS via the Command Code 130 entry method found on page 8.
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Page 9: Command Codes
6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 6.0 COMMAND CODES Unlock Monitor Enter Command Code 25 to unlock the monitor. A prompt will be displayed requesting entry of the User Password. The User Password is factory pre-programmed to “1”. When the User Password is entered, the monitor will go into unlocked condition for a 15-minute period. - Page 10 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 Command Code 120 contains a “Out Type” option that allows the operator to select how the Transmitter will detect an alarm condition. The value entered will determine if the alarm outputs will operate failsafe or non-failsafe.
- Page 11 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 Signal Current Calibration* Enter Command Code 150 while the monitor is un-locked to calibrate signal output current and display contrast. Each displayed parameter can be adjusted up or down by one incremental value per key stroke. The ‘1’...
- Page 12 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 7.0 GAS CALIBRATION PROCEDURE Unlock the monitor using Command Code 25 and the User Password factory preset to “1”. Initiate calibration by entering Command Code 111. The display will request zero gas be applied to the sensor head.
- Page 13 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 8.0 SIGNAL CURRENT CALIBRATION This feature allows the user to calibrate the 4-20mA Analog Output Signal. A Multi-Meter can be connected in series with the SIG (signal) wire to the controller. 1.
- Page 14 Modifying this equipment will void any warranty authorized by Conspec Controls Inc. 2. Repair: Any monitor found to be defective or questionable should be returned to Conspec Controls for evaluation and repair. Conspec requires any returned equipment to first be issued a Return Authorization Number (R.A.#) by calling Conspec at (800) 487-8450 Mon.-Fri.
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Page 15: Sensor Replacement
The sensor element on the CX/CN series transmitters is replaceable. No user serviceable parts are present inside the sensor housing. Sensor elements can be ordered from Conspec Controls. To replace the sensor, first disconnect power to the unit. It is normal for the monitor to display “Sensor Fail” after a new sensor has been installed. - Page 16 HAZARDOUS/CLASSIFIED AREA CX SERIES *WARNING: Remove power or declassify area before opening the sensor housing. The Hazardous/Classified Area CX Series sensor housing is opened by loosening the Allen screw and unthreading sensor housing part B from part A. The replaceable cell can be removed by unplugging the cell from the cell holder card.
- Page 17 6 Guttman Boulevard, Charleroi Industrial Park, Charleroi Pennsylvania 15022 Replacement Parts Notes: (800) 487-8450; Fax: (724) 489-9772 Page 17 of 17 http://www.conspec-controls.com...
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