S-960 User Manual
Contents
1. Floating point data 4 bytes send sequence is low byte first high byte last such as section 4 s data DATA1 ALARM1 ALARM2 etc 2 Broadcast command when network master broadcast a command to RS485 bus every unit connected to the bus has to perform the action immedi ately without reply Whether the command has been performed or not can be tested using a specific sensor command to poll an individual unit If some sensor heads do not perform the action the network master needs to rebroadcast the command again 3 Specific unit sensor measured gas concentration request Once a sensor head measures a new concentration it will set STATUS1 b7 to zero indicating the value is valid However when the new data has been sent out the STATUS1 b7 DATA_UNVALID bit will set to 1 indicating the data not valid 4 Timing issue VERY IMPORTANT The master request command fre quency can t be less than 1 second per command otherwise the network will be unstable Section 6 RS485 communication port settings Baud rate 4800 Data bits 8 Stop bits 1 Parity none Flow control none OLD_ID the S960s S965s unit old network ID 1 byte NEW_ID the S960s S965s unit new network ID 1 byte 06 Specific S960s S965s connected sensor gas unit ppm to mg m3 con vert factor and analogue current max output scale factor value request command Command BASE FACTOR_REQUEST NETWORK_ID EMPTY CHECKSUM Reply SENSOR FACTOR_REQUEST NETWORK_2. SensorStatus1 bi b1 0 b0 1 sensor failure no gas re porting b1 1 b0 0 means sensor aging for low Ozone sensor only FAN_STATUS b2 reserved UNIT_UNSTABLE_FLAG b3 1 sensor head is at setting up stage not stable yet RESERVED b4 reserved RESERVED b5 reserved SensorResetFlag b6 1 sensor head is doing reset DATA_UNVALID b7 1 the data is not valid data maybe last reported reading STATUS2 1 byte not used now reserved for further developing RESERVED bO reserved RESERVED b1 reserved RESERVED b2 reserved RESERVED b3 reserved STANDBY b4 1 sensor head in stand by mode b4 0 sensor head in normal working mode RESERVED b5 reserved RESERVED b6 reserved RESERVED b7 reserved ALARM_STATUS 1 byte used for alarm status setting Alarm_Enable bO 0 S960s S965s alarm enabled bO 1 S960 S965s alarm disabled Alarm2_Triger b1 0 S960s S965s alarm 2 triggered when reading exceed alarm 2 b1 1 S960s S965s alarm 2 rigged when reading below alarm 2 Define_Ouput_Scale b2 0 use sensor head default current output value b2 1 user defined current output value RESERVED b3 reserved RESERVED b4 reserved RESERVED b5 reserved RESERVED b6 reserved RESERVED b7 reserved The following data values use IEEE754 32 bits floating point little endian repre sentation These data are DATA1 DATA2 ALARM1 ALARM2 DEFINED_SCALE CONTROL_HIGH CONTROL_LOW etc Section 5 Data transfer mechanism 29 QelOQUAL
3. corresponds to 20 mA NOTE The LED display is calibrated for the default settings only and will not operate correctly if the default range is altered if you are in any way uncertain of this please seek technical assistance from Aeroqual Upload Clicking this button uploads the settings to the S960s 965s Download Clicking this button downloads the settings from the S960s or S965s Use this function to check the settings are correct QelOQUAL 4 960s S965s Specification and Photographs Calibrated Range Precision Resolution Sampling method T90 Sample flow rate Wetted materials Inlet filter Pneumatic connections Environmental operating conditions Temperature RH Power Requirements Display optional Connectors Analogue outputs Digital interface Jumpers ID Transistor outputs optional User configurable set points Inputs Enclosure Enclosure size Mounting e Series 960s UV PHOTOMETER 340 mm 0 200ppm Ozone lt 5 of reading below 0 2ppm lt 0 01ppm below 0 2ppm 0 01ppm BLDC diaphragm pump lt 60s 0 4 0 05 LPM Kynar Teflon PFA quartz aluminium viton 5um pore size 37mm PTFE filter Kynar 40compression fittings 0 40 C 32 104 F 0 95 non condensing 24VDC 2A 4 5 digit LED red Screw 4 20mA opto isolated 12 24VDC 30VDC max maximum loop resis tance 500q at 24V 16 bit resolution RS485 2 wire See 8 5 for protocol J1 J2 J3 termina
4. factor floating point value See sensor head spec for details 07 Specified S960s S965s unit configure settings upload command which set the S960s S965s unit alarm 1 alarm 2 defined output scale and alarm enable settings Total 25 bytes data stream Command BASE PARAMETERS_UPLOAD NETWORK_ID EMPTY CHECKSUM Parameters BASE PARAMETERS_UPLOAD NETWORK_ID ALARM1 ALARM2 DEFINED_SCALE CONTROL_HIGH CONTROL_LOW ALARM_STATUS CHECKSUM Reply SENSOR PARAMETERS_UPLOAD DATA1 DATA2 RESERVED STATUS1 STATUS2 CHECKSUM ALARM1 4 bytes alarm level 1 set point value see section 4 for its data representation ALARM2 4 bytes alarm level 2 set point value see section 4 for its data representation DEFINED_SCALE 4 bytes user defined max output scale value CONTROL_HIGH 4 bytes control high set point value see section 4 for its data representation CONTROL_LOW 4 bytes control low set point value see section 4 for its data representation ALARM_STATUS 1 byte alarm state settings see section 4 for details Reply just used for confirm uploading successfully 08 Specific S960s S965s unit configure settings download command total 25 bytes stream Command BASE PARAMETERS_DOWNLOAD NETWORK_ID EMPTY CHECKSUM Reply SENSOR PARAMETERS_DOWNLOAD NETWORK_ID ALARM1 ALARM2 DEFINED_SCALE CONTROL_HIGH CONTROL_LOW ALARM_STATUS CHECKSUM QelrOQUAL ALARM1 4 bytes alarm 1 set point value see section 4 for its data
5. for Loop and Display without opto isolation li We PBSBWIWss fa POWER SUPPLY PLC or current 24VDC meter remote displa QelOQUAL Operating the LED Display if 4 20 mA loop is not being used LED display models are designed to operate in conjunction with the 4 20mA circuit If the 4 20mA output is not being used the display can still be enabled by connecting two wire loops see diagram below on the screw terminal between a the positive 4 20mA pin to the 12v output pin and b the negative 4 20mA pin to GND ground POWER SUPPLY 24VDC DISPLAY Please note models purchased with display will have the LED display pre wired QelOQUAL 2 4 Operation as a RS485 Transmitter The Series 960s 965s unit can communicate over a RS485 bus Each monitor has an ID which can be user set via the Configuration soft ware and up to 255 units networked together Aeroqual supplies a Configuration program to configure the S960s S965s over the RS485 Aeroqual can also supply Networking software to set up a RS485 net work of S960s S965s units linked to a computer Connecting via RS485 A Connect a 24 vDC power supply to the power input on the PCB screw connector 2 Use twisted pair cable to connect the RS485 lines on the screw connector to the RS485 hub bus or converter 3 Power up the monitor and run the communication software on your computer or PLC Network Settings If the S960s S965s is to be used as part of a fd
6. represen tation ALARWM2 4 bytes alarm 2 set point value see section 4 for its data represen tation DEFINED_SCALE 4 bytes user defined max output current output value CONTROL_HIGH 4 bytes control high set point value see section 4 for its data representation CONTROL_LOW 4 bytes control low set point value see section 4 for its data representation ALARM_STATUS 1 byte alarm state settings see section 4 for details 09 Specific S960s S965s base unit version number request command and reply PC or other devices can request the base unit version information Command BASE BASE_VERSION NETWORK_ID EMPTY CHECK SUM Reply SENSOR BASE_VERSION NETWORK_ID VERSION_NUM SENSOR_COUNT RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED CHECK SUM VERSION_NUM 1 byte the version number of the S960s S965s unit SENSOR_COUNT 1 byte actually used to specify its S960s or S965s if it s 0x01 that is S960s no temperature and humidity sensor con nected if it s 0x03 that is S965s there is a temperature and humidity sensor connected 10 Temperature and relative humidity data request command S965s only The command asks for the temperature and humidity data that a specific S965s unit currently holds The S965s unit re sponds with two values respectively Command BASE TEMP_RH_DATA NETWORK_ID EMPTY CHECKSUM Reply SENSOR TEMP_RH_DATA NETWORK_ID TEMP RH RESERVED STA
7. which have been tested by Aeroqual can be purchased from Aeroqual or it distributors or contact Aeroqual for recommended brands on technical aeroqual com Computer requirements Additional components required CD ROM Drive 24V power supply RS232 port RS232 RS485 or Windows 95 or later USB RS485 converter 45 MB spare hard drive space RS485 wired S960s S965s 3 1 Connecting the R51 RS 485 to RS 232 Con verter la o bi ns COO S CONVERTER Connect to i 8 B B electrunics 8 PC serial i OTTAWA IL61350 Gh COM port or w 5 MODEL aassDaTs USB via R52 os F TD A connect to RS485B TD B connect to RS485A RS 485 to RS 232 Converter to Series 960s 965s TD A connect to RS485B TD B connect to RS485A GND not required GND not required 12V not required 11 QelOQUAL 3 2 Connecting an USB to RS485 converter Recommended supplier Moxa www moxa com Sg Note Aeroqual S900 series monitors communicate via 2 wire RS485 so the a Sy converter must be configured to RS485 gt 2W using software supplied with the con Koa verter Configure a Moxa UPort 1150 for RS485 2 wire mode as follows 1 Install software from the CD provided with Moxa UPort 1150 2 Attach Moxa UPort 1150 USB device to USB port 3 Once the drivers have been installed for the device open up the device manager found under control panel system device manager Windows Vista OR Control panel system hardwa
8. 50 12 3 3 Procedure for configuration of S960s 965s 12 4 S960s 965s Specification and Photographs 15 5 Technical Support 16 6 Troubleshooting 17 7 Diagnostics 20 8 Appendix 21 8 1 Copyright 21 8 2 Warranty 22 8 3 Series 960s 965s RS485 Communication Protocol 24 Version 1 1 20 04 11 Aeroqual Limited 109 Valley Road Mount Eden Auckland New Zealand phone 64 9 623 3013 fax 64 9 623 3012 email technical aeroqual com web www aeroqual com QelrOQUAL 1 Description The Aeroqual Series 960s UV Ozone Photometer is designed to measure and control ozone concentrations and to communicate to a variety of hardware systems The Series 965s also measures Tem perature and Relative Humidity and transmits this on the RS485 out put The monitor contains a pump to provide sample flow Sample tubing 6 25mm OD is attached via the inlet compression fitting An ozone scrubber is fitted to the exhaust line inside the unit The Series 960s 965s UV Ozone Photometer can operate as a a relay controller with user controlled setpoints b a 4 20 mA gas transmitter and c as a RS485 gas transmitter for single and network use PC Networking amp Data logging Software for connecting the RS485 network of S960s S965s monitors to a computer is available as an option Please contact your distributor if you require this Available options 4 5 digit LED display e Relay output board 1 1 Components Supplied Series 960s or 965s base unit
9. BASE COMMAND NETWORK_ID OTHERS CHECKSUM BASE information request data stream header COMMAND 1 byte network unit action command NETWORK _ID 1 byte S960s S965s network ID OTHERS may used to extend functions later it can be left as empty for now CHECKSUM makes the data stream total sum byte value to zero 02 S960s S965s unit basic reply command format will be a 15 bytes stream see Section 2 for details SENSOR COMMAND NETWORK_ID DATA1 4 bytes DATA2 4 bytes RESERVED STATUS1 STATUS2 CHECKSUM Section 2 S960s S965s Network ID specified commands These com mands generate a response by a specified S960 S965 unit Every com mand needs a corresponding reply 01 Gas Data request command The command asks for the gas data that a specific S960s S965s unit currently holds The S960s S965s unit responds with an gas value The gas data validity depends on the DATA_UNVALID bit of STATUS1 flag please see Section 4 for details Command BASE GAS_CONC_DATA NETWORK_ID EMPTY CHECKSUM Reply SENSOR GAS_CONC_DATA NETWORK_ID DATA1 TEMP RH RESERVED STATUS1 STATUS2 CHECKSUM DATA1 4 bytes IEEE754 floating point data measured gas value if DATA_UNVALID bit of STATUS1 flag is 1 then it will be last byte measured value otherwise it s new measured value TEMP 2 bytes int value its actual value equals the int value divided by 10 TEMP 10 for its real temperature value of S965s unit RH 2 bytes
10. ID DATA1 DATA2 RESERVED STATUS1 STATUS2 CHECKSUM DATA 4 bytes gas unit ppm to mg m3 convert factor floating point value DATA2 4 bytes default S960s S965s 4 20mA current output max scale factor floating point value See sensor head spec for details 07 Specified S960s S965s unit configure settings upload command which set the S960s S965s unit alarm 1 alarm 2 defined output scale and alarm enable settings Total 25 bytes data stream Command BASE PARAMETERS_UPLOAD NETWORK_ID EMPTY CHECKSUM Parameters BASE PARAMETERS_UPLOAD NETWORK_ID ALARM1 QelOQUAL ALARM2 DEFINED_SCALE CONTROL_HIGH CONTROL_LOW ALARM_STATUS CHECKSUM Reply SENSOR PARAMETERS_UPLOAD DATA1 DATA2 RESERVED STATUS1 STATUS2 CHECKSUM ALARM1 4 bytes alarm level 1 set point value see section 4 for its data representation ALARM2 4 bytes alarm level 2 set point value see section 4 for its data representation DEFINED_SCALE 4 bytes user defined max output scale value CONTROL_HIGH 4 bytes control high set point value see section 4 for its data representation CONTROL_LOW 4 bytes control low set point value see section 4 for its data representation ALARM_STATUS 1 byte alarm state settings see section 4 for details Reply just used for confirm uploading successfully 08 Specific S960s S965s unit configure settings download command total 25 bytes stream Command BASE PARAMETERS_DOWNLOAD NETWORK_ID EMPTY CHECKSU
11. ID VERSION_NUM DISPLAY_TYPE NAME_LENGTH SENSOR_NAME RESERVED CHECK SUM VERSION_NUM 1 byte the version number of sensor head plugged in the 940s S945s unit Real version number is the value divided by 10 DISPLAY_TYPE 1 byte the decimal value display type different gas sensor head are different see sensor head specifications for details NAME_LENGTH 1 byte the sensor head name length SENSOR_NAME 7 bytes max valid length depends on NAME_LENGTH value the sensor head name ASCII code that connected to S960s S965s unit 05 Modify S960s S965s unit network ID command that can change cur rent S960s S965s unit network ID Command BASE CHANGE_NETWORK_ID OLD_ID NEW_ID CHECK SUM Reply SENSOR CHANGE_NETWORK_ID NEW_ID DATA1 DATA2 RE SERVED STATUS1 STATUS2 CHECKSUM 25 QelOQUAL CHANGE_NETWORK_ID 1 byte command see section 4 for details OLD_ID the S960s S965s unit old network ID 1 byte NEW_ID the S960s S965s unit new network ID 1 byte 06 Specific S960s S965s connected sensor gas unit ppm to mg m3 con vert factor and analogue current max output scale factor value request command Command BASE FACTOR_REQUEST NETWORK_ID EMPTY CHECKSUM Reply SENSOR FACTOR_REQUEST NETWORK_ID DATA1 DATA2 RESERVED STATUS1 STATUS2 CHECKSUM DATA 4 bytes gas unit ppm to mg m3 convert factor floating point value DATA2 4 bytes default S960s S965s 4 20mA current output max scale
12. M Reply SENSOR PARAMETERS_DOWNLOAD NETWORK_ID ALARM1 ALARM2 DEFINED_SCALE CONTROL_HIGH CONTROL_LOW ALARM_STATUS CHECKSUM ALARM1 4 bytes alarm 1 set point value see section 4 for its data represen tation ALARWM2 4 bytes alarm 2 set point value see section 4 for its data represen tation DEFINED_SCALE 4 bytes user defined max output current output value CONTROL_HIGH 4 bytes control high set point value see section 4 for its data representation CONTROL_LOW 4 bytes control low set point value see section 4 for its data representation ALARM_STATUS 1 byte alarm state settings see section 4 for details 09 Specific S960s S965s base unit version number request command and reply PC or other devices can request the base unit version information Command BASE BASE_VERSION NETWORK_ID EMPTY CHECK SUM Reply SENSOR BASE_VERSION NETWORK_ID VERSION_NUM SENSOR_COUNT RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED CHECK SUM VERSION_NUM 1 byte the version number of the S960s S965s unit SENSOR_COUNT 1 byte actually used to specify its S960s or S965s if it s 0x01 that is S960s no temperature and humidity sensor con 31 QelOQUAL nected if it s 0x03 that is S965s there is a temperature and humidity sensor connected 10 Temperature and relative humidity data request command S965s only The command asks for the temperature and humidity data t
13. QelOQUAL Series S960s UV Ozone Photometer A User Guide QelrOQUAL Quick Start Guide a Unpack monitor and check supplied components are correct 2 Connect 24 VDC power supply via the cable gland to the screw connectors on the PCB 3 Configure monitor Using computer e Attach twisted pair cable to RS485 pins on screw connector e Connect twisted pair to RS485 converter con nected to computer e Load and run Configuration software Turn on monitor Configure monitor setpoints ID etc 4 Connect Outputs A If RS485 see Operation as RS485 Transmitter B If 4 20 mA see Operation as 4 20mA Controller C If Relay controller see Operation as Relay Control ler D If the Display is fitted and the 4 20 mA loop is not being used see Operating the LED Display if 4 20 mA loop is not being used 5 Connect the inlet filter and sample tubing if required 6 Power on and allow monitor to warm up for 30 to 60 minutes to reach optimum operation QelOQUAL Table of Contents Quick Start Guide 1 1 Description 3 1 1 Components supplied 3 1 2 Components not supplied but required 3 2 Operation 4 2 1 Description of outputs 4 2 2 Operation as a Relay Controller 5 2 3 Operation as a 4 20 mA Transmitter 5 2 4 Operation as a RS485 Transmitter 10 3 Configuring the Series 960s 11 3 1 Connecting the R51 RS 485 to RS 232 Converter 11 3 2 Using a USB to RS485 converter 12 3 2 1 Installation of Moxa UPort11
14. TUS1 STATUS2 CHECKSUM TEMP 4 bytes IEEE754 floating point data measured temperature value of 965s unit RH 4 bytes IEEE754 floating point data measured relative humidity value of S965s unit for S960s the command will be no reply at all Section 3 Broadcast commands are a set of special commands of the network system Every unit that receives the commands on the network performs the action They are not ID specific BROADCAST command indicator can be considered as NETWORK_ID These commands send out by network master and that don t need reply at all 27 QelOQUAL BROADCAST is a 1 byte special S960s S965s ID that is zero 01 Broadcast S960s S965s standing by command this command will set all sensor head that connected to the network go to stand by state The com mand generates no reply To check whether a 960s 965s unit has performed the command the network master should check STATUS2 s STAND _BY bit BASE STANDBY BROADCAST EMPTY CHECKSUM BROADCAST 1 byte broad cast indicator see section 4 for its value 02 Broadcast S960s S965s reset command it will reset whole network sensor heads that connected to The command generates no reply To check whether a 960s 965s unit has performed the command the network master should check STATUS2 s STAND_ BY bit BASE RESET BROADCAST EMPTY CHECKSUM BROADCAST 1 byte broad cast indicator see section 4 for its value Section 4 Protocol commands value and des
15. aisy chainedORS485 network a number of settings need to be adjusted Jumpers 1 Jumper settings The termination resistors need to be set correctly to ensure the net work communication is stable The jumpers JP1 JP2 JP3 are to in stall termination resistors on the RS485 communication lines Re move the jumpers J1 J2 J3 for all S960s 965s units in a chain except the last S960s 965s unit in the net work chain If there is only one unit then set the jumpers in place 2 ID Settings Monitors on the network require unique IDs so they can be distin guished on the RS485 network The ID of the unit is factory set as 1 and therefore it will need to be changed Use the Configuration pro gram to change the IDs see the section on Configuring the monitor QelOQUAL 3 Configuring the S960s S965s The Series 960s 965s alarm and 4 20 mA output scale settings can be modified using a computer and the supplied S900 Configuration Program or using a R950 purpose made hand held communica tion tool For further details on the R950 contact your supplier or Aeroqual Limited technical aeroqual com To configure the S960s S965s by computer you will need an RS232 RS485 or USB RS485 converter There are many RS232 RS485 converters on the market Only certain brands will function well with Aeroqual products Aeroqual can supply a converter R51 suit able for configuring a single monitor it is not suitable for a S960s network Converters
16. criptions BASE 0x55 command header used for network master to S960s S965s SENSOR 0xAA reply header used for S960s S965s to network mas ter STANDBY 0xFD command used to set sensor head standing by mode RESET 0x07 command to reset sensor head to normal working state GAS_CONC_DATA 0x10 command to request report measured gas con centration value TEMP_RH_DATA 0x20 command to request temperature and humidity values BASE_VERSION 0xF9 command to request report S960s S965s base unit version number SENSOR_VERSION OxFB command to request report sensor head version number FACTOR_REQUEST 0x2A command to request report sensor head con centration ppm to mg m3 conversion factor and max current output scale factor BROADCAST 0x00 broadcast command indicator like a special S960s 965s ID reserved for information broadcast PARAMETERS_UPLOAD 0x19 command to upload configure settings to S960s S965s PARAMETERS_DOWNLOAD 0x18 command to download configure set tings from S960s S965s EMPTY 0x00 no meanings at all reserved space RESERVED can be any value no meanings at all CHECKSUM data stream check sum used to verify the command data stream information lost or noise It makes the data stream total byte sum to zero NETWORK_ID range 0x00 OxFF 0x00 is reserved for broadcast command QelOQUAL 0x01 will be the default ID when S960s S965s been pro grammed STATUS1 1 Byte SensorStatusO bO b1 0 b0 0 sensor is normal
17. hat a specific S965s unit currently holds The S965s unit re sponds with two values respectively Command BASE TEMP_RH_DATA NETWORK_ID EMPTY CHECKSUM Reply SENSOR TEMP_RH_DATA NETWORK_ID TEMP RH RESERVED STATUS1 STATUS2 CHECKSUM TEMP 4 bytes IEEE754 floating point data measured temperature value of 965s unit RH 4 bytes IEEE754 floating point data measured relative humidity value of S965s unit for S960s the command will be no reply at all
18. int value its actual value equals the int value divided by 10 QelOQUAL RH 10 for its real relative humidity value of S965s unit for S960s the field TEMP and RH will be always zero for firmware version 1 5 and later However for S965s firmware version 1 4 and earlier can t use this command to request temperature and humidity 02 Standby command The S960s S965s unit will set its sensor head to standby state The S960s S965s will set STANDBY bit of STATUS2 to 1 indi cating it is in standby mode When the standby state has been terminated it will reset STANDBY bit of STATUS2 to 0 Command BASE STANDBY NETWORK_ID EMPTY CHECKSUM Reply SENSOR STANDBY NETWORK_ID DATA1 DATA2 RESERVED STATUS1 STATUS2 CHECKSUM DATA1 and DATA2 no meanings The reply just confirms that it performed action to find it check status bit 03 Specific S960s S965s reset command The command will reset the S960s S965s at any time Command BASE RESET NETWORK_ID EMPTY CHECKSUM Reply SENSOR RESET NETWORK_ID DATA1 DATA2 RESERVED STATUS1 STATUS2 CHECKSUM DATA1 and DATA2 no meanings RESET 1 byte reset command see section 4 for details 04 Specific S960s S965s unit connected sensor head version number request command and reply PC or other devices can request sensor head version information through S960s S965s unit Command BASE SENSOR_VERSION NETWORK_ID EMPTY CHECK SUM Reply SENSOR SENSOR_VERSION NETWORK_
19. isy 19 QelrOQUAL Span calibration incor rect Sensor correct Sensor inlet contami nated Interferent gas present Gas reactive and de composing before detec tion Sensor calibration lost S960s 965s power sup ply unregulated Local air flow too high Environmental condi tions fluctuating Pump not working cor rectly Span calibrate sensor Check calibration of gas generator Clean sensor inlet filter and mesh Move sensor to clean air and check reading upon exposure to known gas concentration Move the monitor closer to the source of the gas Replace refurbish sensor Install regulated power supply Reduce air flow Reduce fluctuations Replace pump QelOQUAL 7 Diagnostics The S960s 965s has inbuilt diagnostics to detect sensor faults If the sensor fails it can be easily replaced by simply removing and installing a new one see sensor manual for details The failed sensor can be sent back to Aeroqual for refurbishment or disposal Table of fault condition diagnostics Fault DIAG output 4 20 mA output RS485 output description No fault floating valid gas read valid gas reading ing Status1 0x00 Sensor failed GND 20 mA last valid gas read fault ing Status1 0x01 Sensor aging GND 20 mA last valid gas read fault ing Status1 0x02 Sensor not GND Oscillates be no reply fitted correctly tween 4 and 20 mA QelrOQUAL 8 Appendix 8 1 Copyright Copyright Aeroqua
20. l Limited All rights reserved Reproduction transfer distri bution or storage of part or all of the contents of this document in any form without the prior written permission of Aeroqual Limited is prohibited fAeroqualoand fAeroqual Limited Making the Invisible Visibledare registered trademarks of Aeroqual Limited Other product and company names men tioned herein may also be trademarks or trade names Aeroqual operates a policy of continuous development Aeroqual reserves the right to make changes and improvements to any of the products described in this document without prior notice Under no circumstances shall Aeroqual be responsible for any loss of data or income or any special incidental consequential or indirect damages howso ever caused The contents of this document are provided as is Except as required by ap plicable law no warranties of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a par ticular purpose are made in relation to the accuracy reliability or contents of this document Aeroqual reserves the right to revise this document or withdraw it at any time without prior notice The availability of particular products may vary by region Please check with the Aeroqual dealer nearest to you Aeroqual Limited 2011 All rights reserved 21 QelOQUAL 8 2 Warranty Aeroqual warrants this product to be free from defects in mate
21. mended that the DIAG diagnostic output be used to monitor for fault conditions The 4 20 mA output loop is opto isolated and it is recommended that it be powered by a separate power supply with a voltage in the range 12 24 V applied with the correct polarity as labelled see diagram be low This will produce the most reliable connection method If opto isolation is not important then the 4 20 mA loop may be powered by the same power supply as the unit LED display models are designed to operate in conjunction with the 4 20mA circuit and the loop needs to be powered correctly for the dis play to function correctly QelOQUAL A Yr m OA IBBGREe GQ CONE Note HiALM LoALM and DIAG are also Transistor outputs Aejay jewae xy OVAO0PZ 00L aN 17 391430 TVNY31X3 POWER SUPPLY 24VDC Procedure 1 Connect the 4 20 mA loop on the screw connector to the power supply and current measuring device eg PLC ensuring the polarity is correct Please refer to the diagrams below C aution if the polarity is incorrect the 4 20 mA output may be permanently damaged 2 Power on the S960s 965s and PLC 3 Check the PLC or current sensing device to ensure data is present QelOQUAL 4 20 mA wiring diagram for Loop and Display with opto isolation a Hib BEEBEEE T WWD GHSOSH2 POWER SUPPLY PLC or current POWER SUPPLY 24VDC meter remote displa QelOQUAL 4 20 mA wiring diagram
22. nductive load to the transistor out puts a back EMF suppression diode must be fitted across the load HiALM This is set to GND when high alarm is activated It is floating at other times Use the Configuration Program to set the Hi alarm set point The output can be used to drive an alarm relay or similar The output is an open collector current sink The maximum rating of the transistor output is 24VDC at 150mA Should you connect a relay coil or any other inductive load to the transistor outputs a back EMF suppression diode must be fitted across the load CNTRL This is set to GND when the gas concentration is rising in the range from below Control low set point to the Control high set point at which stage it is set to floating It remains floating until the concentration falls below the Control low set point at which point it is reset to ground Use the Configuration Program to set the Control set points This output can be used to control for example a gas generator or vent in a process operation The output is an open collector current sink The maximum rating of the transistor output is 24VDC at 150mA Should you connect a relay coil or any other inductive load to the tran sistor outputs a back EMF suppression diode must be fitted across the load STBY STBY is a hardware toggle switch If it is briefly pulsed about 50ms to GND it puts the S960s into Standby mode and turns the pump off If pulsed again to GND it will return t
23. o normal operation This can be used to protect the sensor during process room cleaning and or to reduce power and extend sensor life when the sensor is not needed QelOQUAL 2 2 Operation as a relay controller The S960s S965s can be used as a simple relay controller using the alarm or control outputs which are open collector current sinks They are set to ground when activated according to their setpoints The setpoints can be configured by computer using the supplied Configu ration program or using a R950 programmer see Aeroqual for more information It is recommended that the DIAG output is always used to alert a sensor fault condition Procedure 1 Connect 24 V DC power supply 2 Connect alert relay alarm to DIAG output screw connector if re quired 3 Connect relay ground toggle to STDBY pin on the screw connec tor if required 4 Connect control relay to CNTL output on the screw connector if required 5 Connect relays to LoALM and or HiALM alarm outputs on the screw connector if required 6 Power on and test response 2 3 Operation as a 4 20 mA transmitter The Series 960s 965s can be connected to a PLC or current sensing device via the 4 20 mA output to provide concentration information The output is linearly proportional to concentration The full scale 20 mA value is factory set but can also be user configured with the Con figuration software supplied If the sensor fails the output will be 20 mA It is also recom
24. onally equivalent reconditioned units Replaced faulty parts or compo nents will become the property of Aeroqual This warranty does not cover any failure of the product due to normal wear and tear damage misuse including but not limited to use in any other than the normal and customary manner in accordance with Aeroqual user guide for use faulty installation calibration and maintenance of the product accident modification or adjustment events beyond human control improper ventilation and damage re sulting from liquid or corrosion This warranty does not cover product failures due to repairs modifications or im proper service performed by a non Aeroqual authorized service workshop or open ing of the product by non Aeroqual authorized persons The warranty does not cover product failures which have been caused by use of non Aeroqual original accessories Tampering with any part of the product will void the warranty Damage to the sensors can occur through exposure to certain sensor poisons such as silicones tetraethyl lead paints and adhesives Use of Aeroqual sensors in these environments containing these materials may at the discretion of Aero qual void the warranty on the sensor head Exposure to gas concentrations out side of the design range of a specific Aeroqual sensor head can adversely affect the calibration of that sensor head and will also void this warranty as it applies to the replacement of sensor heads Aero
25. ppm Downoad upload Port ID Click on Port menu and select fChange port ID to change ID to your requirement in the range 1 to 255 Caution if you are setting up a network please ensure each unit has a unique ID otherwise there will be conflicts and data loss Alarms High alarm and low alarm setpoints can be set by clicking on the ap propriate window and entering the required activation setpoint Please note High alarm setpoint must be greater than low alarm setpoint The low alarm trigger determines whether low alarm is activated by being above or below the setpoint Click mouse on the button to se lect The Alarms can be enabled or disabled by clicking on the button alongside Enable or Disable respectively Control The control output is triggered according to the band set by the Con trol high and Control low values Control high must be greater than Control low The action of this output is designed to enable control of an ozone generator The Control output will be on when the concen tration is rising in the range from below Control low until it hits Control high when it turns off It remains off until the concentration falls below Control low 13 QelOQUAL 4 20 mA output scale This sets the gas concentration scale that corresponds to 4 20 mA Each sensor head type has a default setting but the user can modify this by clicking the user define button and entering the required value that
26. qual makes no other express warranties whether written or oral other than contained within this printed limited warranty To the fullest extent allowable by law all warranties implied by law including without limitation the implied warranties of merchantability and fitness for a particular purpose are expressly excluded and in no event shall Aeroqual be liable for incidental or consequential damages of any nature whatsoever however they arise from the purchase or use of the product and including but not limited to lost profits or business loss Some countries restrict or do not allow the exclusion or limitation of incidental or consequential damage or limitation of the duration of implied warranties so the preceding limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which may vary from country to country 23 QelOQUAL 8 3 Series 960s and 965s RS485 Protocol Protocol Version 1 5 Date 01 02 2005 The network communication is in master slave mode which means that a PC or other device will be the network master All information is requested by the network master Otherwise no information is sent out by the S960s S965s network units Section 1 General description of the communication commands for command details and data representations please refer section 4 01 Information request command to S960s S965s The basic format is a 5 bytes data stream
27. re device manager Windows XP Right click on the UPort 1150 item and select properties Expand the fMulti port serial adaptersoitem Click on the Ports Configuration tab Select the appropriate COM port Click on the button labeled f Port Settingo Under heading finterfaced select the FRS 485 2Woentry from the drop down list 10 Click OK in this window and in the original window opened from the Device Manager in step 5 OWN OP 3 3 Procedure for S960s S965s configuration 1 Plug in and install the USB or RS232 to RS485 converter into your computer 2 Connect the Series 960s 965s RS485 port leads to the con verter 3 Install the Aeroqual Series 960s 965s Configuration Program on the computer if not already installed Power up the Series 960s 965s unit Run the Aeroqual Series 900 Configuration Program Select Unit by entering the ID of the S960s 965s you wish to modify and click on Downloadoto download the unit current values Modify settings Click Upload to upload the settings to the S960s 965s Click Exit Power down the S960s 965s and install 2A 00N oles QelOQUAL s900 Configuration 1 4 System Port Configure Settings Port ID High alarm ppm EE Low alarm ppm OO a Low alarm trigger Above setpoint Below setpoint Alarms Enable Disable Control high ppm J 0 3 Control low ppm 0 1 4 20 mA output scale Sensor default Oto 05 ppm User defined Oto 0 E
28. rial and workmanship at the time of its original purchase by a consumer and for a subsequent period as stated in the follow ing table SPE 2608 9657 UV OZONE RNO One year from the date of purchase tometer UV Lamp Six months from the date of purchase Other Accessories One year from the date of purchase This warranty is expressly limited to the original owner who purchases the equipment directly from Aeroqual or from an authorized Aeroqual dealer What we will do If during the warranty period this product fails to operate un der normal use and service due to improper materials or work manship Aeroqual subsidiaries authorized distributors or au thorized service partners will at their option either repair or replace the product in accordance with the terms and condi tions stipulated herein QelrOQUAL Conditions The warranty is valid only if the original receipt issued to the original purchaser by the dealer specifying the date of purchase is presented with the product to be repaired or replaced Aeroqual reserves the right to refuse warranty service if this information has been removed or changed after the original purchase of the prod uct from the dealer If Aeroqual repairs or replaces the product the repaired or replaced product shall be warranted for the remaining time of the original warranty period or for ninety 90 days from the date of repair whichever is longer Repair or replacement may be via functi
29. s share the same ID use shielded twisted pair cable Set jumpers correctly The leads between S960s 965s units should be a minimum of 30 cm in length Loop polarity is incorrect Reverse this Incorrect loop polarity can cause irreversible damage to the S960s S965s Re duce loop current Reduce loop current Power loop The display requires the loop to be powered to read cor rectly Sensor showing high baseline reading under zero gas conditions Sensor showing higher than expected reading in the presence of sen sor gas QelrOQUAL Background gas level higher than normal Interferent gas present Sensor damaged Flow incorrect Zero calibration incorrect Span calibration incor rect Sensor correct Interferent gas present Sensor calibration lost Flow incorrect Move sensor to clean air and recheck baseline Move sensor to clean air and recheck baseline Replace sensor Measure sample flow and compare with speci fication If incorrect check for leaks and or replace pump Zero calibrate sensor Span calibrate sensor Check calibration of gas generator Move sensor to clean air and check reading upon exposure to known gas concentration Replace refurbish sen sor Measure sample flow and compare with speci fication If incorrect check for leaks and or replace pump Sensor showing lower than expected reading in the presence of sen sor gas Sensor output no
30. tion resistors for RS485 network 1 Default User configurable from 1 255 4x open collector transistor outputs Control Diagnostics High Alarm Low Alarm Low alarm High alarm Control Standby toggle turns off pump ABS Plastic IP65 except inlet and exhaust 340 W x 150 H x 100 D mm Screw fix ww OGL 15 QelOQUAL 5 0 Technical Support If you require technical support in the operation or maintenance of your Series 960s please contact Aeroqual Aeroqual Limited 109 Valley Road Mt Eden Auckland 1024 New Zealand Phone 64 9 623 3013 Fax 64 9 623 3012 Email technical aeroqual com 6 Troubleshooting Fault Description No power RS485 communications unstable 4 20 mA output failure Network unstable Display shows 1 Display shows 1 Display shows 125 17 Possible cause Lead connection broken Power supply failure 960s 965s damaged RS485 RS232 faulty adaptor Connections broken ID incorrect Noise on cable 30V input exceeded ID conflict Noise on leads Jumpers set incorrectly S960s 965s units too close together over range gt 20 mA reverse loop current over range loop current gt 20 mA 4 20 mA Loop not pow ered Reconnect power lead Replace 24V supply Replace unit power Reconfigure replace adaptor Reconnect leads Check ID use shielded twisted pair cable Replace S960s 965s Modify IDs so that no 960s 965s unit
31. transmitter controller UV Ozone Sensor installed Temperature and Relative Humidity Sensor S965s only User guide amp Configuration Software CD 1 x external filter with fittings Please check that all these components have been supplied and con tact your dealer or Aeroqual on email at sales aeroqual com if any of the components are missing 1 2 Components not supplied but required 24VDC 2A power supply RS485 RS232 converter or RS485 USB converter PC for configuring the monitor Multi strand twisted pair cables for connections QelOQUAL 2 Operation 2 1 Description of Outputs DIAG This output is designed to enable detection of sensor faults This is normally floating but is set to GND when the sensor fails Thus it can be considered a switch which is closed when the sensor fails This can be used to activate an alarm or relay and can also be monitored with a PLC The output is an open collector current sink The maxi mum rating of the transistor output is 24VDC at 150mA LoALM This is set to GND when low alarm is activated It is floating at other times Use the Configuration Program to set the Lo alarm set point The output can be used to drive an alarm relay or similar The alarm can be set to trigger above or below the set point using the configura tion software The output is an open collector current sink The maxi mum rating of the transistor output is 24VDC at 150mA Should you connect a relay coil or any other i
Download Pdf Manuals
Related Search