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Cubic Sensor and Instrument Co.,Ltd
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USERS MANUAL Infrared Propane Gas Sensor For safety and alarming Wuhan Cubic Optoelectronics Co. Add: Fenghuang No.3 Road, Fenghuang Industrial Park Eastlake Hi-tech Development Zone Wuhan 430205, China Tel:86-27-81628831
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INFRARED PROPANE SENSOR | cubic
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Working environment This product must be used with explosion-proof equipments to form a explosion-proof system which can be used in the dangerous places where exists multi-explosion gases; the system wiring must comply with the product and the instructions associated with the use of equipment requirements shall not take the wrong terminal. Safety parameters and the maximum content of the equivalent parameter table below: Max input Maximum internal equivalent Vi-GND Uo-GND This product and associated equipment’s connection cables should be protected by a sheath, the shield should be...
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1 Introduction 1.1Briefing Welcome to use infrared propane gas sensor. It adopts advanced non-dispersive infrared technology and qualified raw materials and parts, which can be integrated in safety and alarming devices, able to be used for environmental monitoring, gas drainage monitoring; chemical, petroleum, metallurgy, oil depots, liquefied gas stations, paint jobs, gas transmission and distribution where combustible gases, storage, indoor and outdoor use and leakage dangerous places. The sensor has advantages like easy operation, precise measurement and stable performance, which is a...
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USERS MANUA Picture is only for reference INKRARKI) PROPANi; SKNSOR I cubic
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2.1.4 Digital output 1. Digital output 6 INFRARED PROPANE SENSOR | cubic
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USERS MANUA 2. pay attention to level switching when connecting external circuit, computer circuit is illustrated belowQ Check bitD null 3. Connect with CPU(SCM), baud rate: 9600bps A. If CPU is powered by 2.5 - 3.3V, C3H8 gas sensor can be connected directly and make communication. Note: RXD of C3H8 gas sensor is connected to TXD of CPU. TXD of C3H8 B. If CPU is 5V, please change PWL. Here is for reference: QOr use the other PWL conversion circuit, for example, optocoupler, converted IC etcQ INKKAKI D PKOPANi; SKNSOR I cubic
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2.2Operation 2.2.1 Power on Be sure the preparation is OK before Power on: Power connection is right I/O ports connection is right When finish the inspection and confirm everything is in normal, power supply can be connected with sensor, and then, power on. 2.2.2 Power off Sensors must be power off under the standby mode (power off is not allowed when you operating zeroing and calibration). Before power off, the gas sensor should be in the measuring status in the fresh air for 1~3 minutes to ensure the gas cell emptying and avoid possible measurement error by the rest gas or dust. 2.2.3...
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max error, calibration need to be done. All these operation will assure measurement precision. 2.3 Communication protocol Summary: 1. The data in the explanation are all hex data. Such as 46 is hexadecimal [70] 2. [xx] is single byte data(no symbol,0-255) ;(xx) is double byte data, signed integer (-32768 to +32767),the top one is ahead. “―― “ followed by explanation; 3. All the data are integer. It has (100,10,1) times relationship with true data. 4. The length of command byte is [LB]+3. Command Format: byte length followed does not include CS parameter items with command, optional Response...
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the error code that command is not implemented correctly Order length is wrong The command does not exist Can't implement this command under current status. measuring results check Besides measuring data, it also has status information Check the voltage result zero calibration span calibration Reset to factory model software version check sensor serial No. check property check 1. Look up measurement result Send Response Function [ACK] 05 01 [DF1] [DF2] [ST1] [ST2] [CS] Look up measurement result. Remarks 1).Gas 1 concentration = DF1*256+ DF2 / (corresponding multiple) 2).[ST] means status...
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Response Function [ACK] 0A 02 [TVM] [FV1] [FV2] [FV3] [FV4] (refVpp) (testVpp) [CS] Look up voltage result. Remarks 1). [TVM] gas measurement voltage. 2). [FV1] [FV2] [FV3] [FV4] to calculate voltage. Four bytes consist of floating type 3). (refVpp) is referred voltage peak, its range is about 0-4 or 5 k 4). (testVpp) is measurement voltage peak Response Function When the sensor received zeroing command you sent, please ensure zero gas is inlet for at least 40 seconds. 4. Calibration After the bench is used for some time, it need calibration. 4.1. Zero calibration Send Zero calibration for...
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Remark 1. Reset users calibration data to factory calibration data 2. [GasNum] means indicator bit of gas calibration. 6. Software version check Send to check software version Remark [CHx] is ASCLL II code. 7. Series number check Send to check the series number of the bench Remark SNn is from 0-9999, five integer consists of 20 bits series number 8. Gas measurement property Check 11 01 0D [CS] Function to check gas measurement range, decimal digitals, gas components, unit and so on Remark 1. Gas concentration=[DF0]*256+[DF1])/multiple ( it is decided by decimal digital) 2. The definitions...
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Fenghuang No.3 Road, Fenghuang Industrial Park, Eastlake Hi-tech Development Zone, Wuhan 430205, China Tel: 86-27-81628831 Fax:86-27-87401159 Http://www.gassensor.com.cn E-mail:info@gassensor.com.cn INFRARED PROPANE SENSOR | cubic
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