USER MANUAL OZONE SENSOR DIGITAL
Contents
1. User Replaceable Sensor Connects Here 3 TB2 12 24 VDC 50 mA minimum wired connection 16 26 Ground gauge WARNING Never connect 12 24 VDC to TB1 This will damage the SM 6 and SM 7 and void the warranty SM 6 amp SM 7 Wiring Illustration 2 User Replaceable Sensor Connects Here 5 VDC Ground Data SM 6 amp SM 7 Power In AC Adapter 12 24 VDC SM 6 amp SM 7 SM 6 amp SM 7 Wiring Illustration 3 User Replaceable Sensor Connects Here SM 6 amp SM 7 The SM 6 is a direct replacement for the SM 4 and is backwards compatible with Eco Sensors ozone controllers The SM 6 includes hardware and firmware changes that extend its functionality for use with Eco Sensors calibrated user replaceable ozone sensors Eco Sensors Division of KWJ Engineering Inc sales ecosensors com or 800 472 6626 Ozone Sensor Digital Interface Models SM 6 amp SM 7 1 User Manual Rev 1 1 Data Output Data from the SM 6 and SM 7 can be accessed via an RS 232 serial cable Basic Serial Communication Parameters communication parameters are listed in the table to the right For more details refer to the RS 232 Communication Manual available at www ecosensors com support Parameters Value Speed baud 9600 l l l Data bits 8 Serial data is sent from the SM 6 and SM 7 approximately once per second An example Stop bits 1 output is given below for 1 ppm 1000 ppb ozone 23 C and 33 relative humi2. CCH m sensors OZONE SENSOR DIGITAL INTERFACE Models SM 6 amp SM 7 SM 6 amp SM 7 Features The SM 6 and SM 7 are microprocessor based digital interfaces that pair with Eco Sensors SM X and SM EC ozone sensing modules respectively When paired they can be utilized as stand alone digital ozone sensing instruments or combined with Eco Sensors ozone controllers such as the OS 4 and the OS 6 The SM 6 and SM 7 can be powered by a 12 VDC adapter wired 5 VDC or wired 12 24 VDC connection It transmits ozone concentration ppb temperature C and relative humidity via an RS 232 serial cable This signal can be used as a sensor input for Eco Sensors ozone controllers and third party PLCs Additionally connecting the serial data cable directly to a computer facilitates data logging and real time data analysis Please read all the instructions in this manual as well as the manual for the user replaceable sensor that is paired with your SM 6 or SM 7 All manuals can be found at www ecosensors com support Power and Wiring Disconnect power before opening the case Use only one of the following three methods to power the SM 6 and SM 7 1 AC Adapter included 12 24 VDC 50 mA minimum barrel connector Refer to Tech Note P 101 www ecosensors com support for additional AC specifications 2 TB1 5 VDC 50 mA minimum wired connection 16 26 gauge at adapter SM 6 amp SM 7 Wiring Illustration 1
3. dity Parity None Flow Control None 1000 23 33 Sensor Replacement Disconnect the power source from the instrument e Unscrew and remove the back cover e Gently but firmly pull the sensor board away from the host board Replace the sensor module by gently sliding the boards together Screw on the back cover SM 6 SM X SM 7 SM EC Notes and Precautions e Disconnect power before opening the case to change the user replaceable sensor e After connecting power allow 1 hour for warm up before testing Allow 24 hours for warm up before continued use e Keep the instrument dry Never let water or other liquids contact the sensor element or circuit board e Do not drop the instrument or subject it to continuous vibration Do not store or use the instrument in areas with high levels of dust e Do not clean the instrument with cleaning chemicals or solvents If necessary wipe clean with a damp cloth water only Do not operate the instrument in environments with combustible gases and materials e Call a qualified electrician if you have any questions regarding electrical wiring codes Specifications For additional specifications refer to the user manual for the user replaceable sensor module at www ecosensors com support Enclosure Wall mountable self extinguishing black ABS plastic Wiring 16 26 gauge Power in 5 VDC TB1 or 12 24 VDC TB2 or J3 50 mA minimum Data out RS 232 9600 baud 8 N 1 fo
4. ould become defective during the warranty period please return it through your distributor or call Eco Sensors at 800 472 6626 or e mail at sales ecosensors com to receive return instructions and a Return Materials Authorization RMA number Except as provided herein Eco Sensors makes no warranties expressed or implied including warranties of merchantability and fitness for a particular purpose Eco Sensors shall not be liable for loss of use of this instrument or other incidental or consequential damages expenses or economic loss or claims for such damage or economic loss RECORD YOUR SERIAL NUMBER HERE KEEP THIS MANUAL AND WARRANTY FOR YOUR RECORDS Eco Sensors is a registered trademark of Eco Sensors Division of KWJ Engineering Inc Eco Sensors Division of KWJ Engineering Inc 2013 For brochures application and tech notes and other useful information visit our extensive website at www ecosensors com E mail us at sales ecosensors com Eco Sensors Ozone Sensor Digital Interface Models SM 6 amp SM 7 3 Division of KWJ Engineering Inc User Manual Rev 1 1 sales ecosensors com or 800 472 6626
5. rmat Eco Sensors Ozone Sensor Digital Interface Models SM 6 amp SM 7 2 Division of KWJ Engineering Inc User Manual Rev 1 1 sales ecosensors com or 800 472 6626 Service and Maintenance Tampering with the unit or attempting repairs will void the warranty Repairs should only be performed by Eco Sensors or an Eco Sensors authorized service representative Instruments with problems during the warranty period should be returned as a system to the factory or authorized service representative for diagnosis and repair We recommend checking the calibration monthly and changing the user replaceable sensor annually It is generally more cost effective to replace sensors than to recalibrate them Warranty This product is warranted against defects in materials and workmanship for one year following the date of purchase by the original owner This warranty does not include damage to the product that results from misuse accident dropping modifications or alterations and it does not apply if the instructions in this manual are not followed or if the unit is otherwise used outside its intended specifications lf a defect develops during the warranty period Eco Sensors in its sole discretion will repair the instrument or replace it with a new or reconditioned model of equivalent quality In the event of replacement with a new or reconditioned instrument the replacement unit will continue the warranty of the original unit If the product sh
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