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Model PT2000/H Series

 

Wireless Gas Detection System 

 
 

 

 
 

Revision 2 

January 2014

 

 

 

    Manual 

 
 

 

 

Pem-Tech,  Inc.                                                                                             

 

Houston,  Texas 

 

U.S.A 
www.pem-tech.com 

 

 
 

 

 

 

Gas Detection Technology

 

Summary of Contents for PT2000/H Series

Page 1: ...Model PT2000 H Series Wireless Gas Detection System Revision 2 January 2014 Manual Pem Tech Inc Houston Texas U S A www pem tech com Gas Detection Technology ...

Page 2: ...January 2014 FOREWARD This document covers quick setup of PT2000 H Series Wireless Gas Monitor Controller and Wireless Gas Detectors Included are procedures for setting up the detectors and wiring diagram to connect Audio Visual Alarm station to the controller ...

Page 3: ...tion 14 4 0 System Configurati 15 4 1 15 4 1 1 Site Name 16 4 1 2 Ethernet IP Address 16 4 1 3 Active of Relay Modules 16 4 1 4 Alarm Bypass Time 16 4 1 5 Wireless Network or Zone ID 17 4 1 6 Call Out Alarm Text Messaging 17 4 1 7 Enable Disable Wireles 17 4 2 Channel Sensor C 18 4 3 Configure A 19 4 4 Configure Rela 21 4 5 Modify Callou 22 4 6 Alarm 23 4 7 24 4 8 24 4 9 Display Backlight Timer 25...

Page 4: ...orical Event Alarm Log 38 6 7 Erase Data Logs 39 7 0 Setting Up Wireless Detectors 40 7 1 Installing Detectors on Pole using Brackets 40 7 2 Installing Antenna 41 7 2 1 Dipole Antenna 41 7 2 2 Yagi Directional Antenna for Long distance 42 7 3 Power to the Wireless Detectors 44 45 8 1 Program Detector Address and Zone Network ID 45 47 49 51 Appendix A List of Drawings and diagram ...

Page 5: ... coax cable supplied with the controller Using antenna and or cable other than the one supplied by Pem Tech could result in inefficient data communication between the detectors and the controller 3 3 5 If Hardwired Audio Visual Alarm Station is to be used then follow the wiring diagram for the Alarm station referred later in the manual If Wireless Remote Alarm Relay Module is used then refer to Wi...

Page 6: ... If Solar Powered then simply connect the solar Panel power cable to the receptacle on the left side of the Detector Enclosure For Battery Powered units Remove the glass cover Unscrew the 2 Thumb screws on the top panel of the detector to remove the panel Verify the batteries are installed and secured in the battery holder Re Connect the Display board with connection board inside with short ribbon...

Page 7: ...xample with 12 Detectors in use Unit ID Address must be from 1 thru 12 Refer to section on Unit Id for details 8 1 12 Detectors should now be transmitting data to the controller Unit Address is synonym to Channel number in the main controller 13 Install all the Wireless detectors Be sure that each detector must have a distinct Unit ID Address No two detectors should have the same Unit Address Leav...

Page 8: ...to interface to wide range of Wireless Toxic and Combustible gas detectors This unit comes in standard with GPRS Cell Modem for Alarm Text messaging and internal flash memory for historical data logging Also onboard are 4 programmable Relay Contacts that can be interfaced with Audio Visual Alarm Devices Additional Relay Modules can be added if needed ...

Page 9: ...or extended period of time Before installing the SIM card be sure that the power is completely removed Also extra care need to be taken when opening the back cover of the screen display Avoid opening the unit in dusty environment and avoid any static damage to the unit Following is the step by step procedure to install the SIM Card Remove Power from the unit if currently ON Disconnect the power US...

Page 10: ...t be facing down as shown in picture Push the SIM card gently all the way under the metal bracket to secure At any time do not apply excessive force Now replace the back cover with care Make sure the ribbon cable on top of the display does not get pinched between the cover and the frame Secure the back cover with the mounting screws Reinstall power plugs RJ45 data cable and any other cables wires ...

Page 11: ...nna for Wireless Communication An Omni Directional antenna must be used for PT2000H Series controller to communicate with the remote wireless detectors Antenna should be installed at an elevated height for better line of sight It is essential that proper coax cable must be used to connect the Antenna to the controller The antenna and coax cable are typically supplied as a set to match the dBi gain...

Page 12: ...ed to activate the audio and visual alarm devices Refer to figure 3 for wiring diagram Each alarm relay is rated 6 Amps AC DC Note Use an in line fuse at the Alarm Power Source Connection terminals to avoid damage to the Relays and controller Figure 2 PT2000H Controller Inside View Main AC Power IN Audio Visual Alarm Connections Coax Cable connector for External Omni Antenna BREAKER BREAKER Antenn...

Page 13: ...sed for these devices Visual Alarm 1 Visual Alarm 2 Visual Alarm 3 Audible Alarm 4 Alarm Wiring Diagram A1 A2 A3 A4 V RETURN RETURN RETURN RETURN V V V B2013139 1 1 OF 1 6A RELAY 6A RELAY 6A RELAY 6A RELAY v Ret A2 A1 14 11 12 A2 A1 14 11 12 A2 A1 14 11 12 A2 A1 14 11 12 V AL 1 Return V AL 2 V AL 3 V AL 4 Pwr Source A V Alarms RLY 1 RLY 2 RLY 3 RLY 4 BUSS BUSS BUSS v Ret Pwr Source for Alarm Devic...

Page 14: ...al connections for AC Power input The unit is equipped with universal AC input power supply A 2 Amp in line AC circuit breaker is also installed to protect against AC surges Move the Circuit breaker in downward OFF position Connect Main AC Power to L N FG Terminals Move the Circuit breaker to up position to turn ON the AC power to the controller ...

Page 15: ...system configuration options first the user passcode must be entered The user passcode is provided along with the packing slip of the unit or may be found inside the unit enclosed at the time of shipping Press the red Enter Passcode button Once a valid passcode is entered the Red button will disappear User can now access all the configuration options by simply pressing the desired button The passc...

Page 16: ...n Display Screen This is to identify the location of the system when sending out Alarm text messages over the mobile phone and when downloading data logs 4 1 2 Ethernet IP Address IP Address needed to view data over internet or address 4 1 3 Active of Relay Modules If additional External Relay modules are used This option is valid only for Customer Application Programs that use the modules 4 1 4 A...

Page 17: ...re changing the network ID be sure that all the Wireless Detectors have the same Network Zone ID else there will be communication failure between the sensors and the Controller Leave the controller and wireless detectors on defulat 0 as Network ID if there are no other PT2000 System in the area 4 1 6 Call Out Alarm Text Messaging Enable or Disable this option to send Alarm text messages over the m...

Page 18: ...ess detectors refer to section on Setting Up Wireless Detectors Program Detector Address The screen above shows Sensor setup screen assign location tags and to enable and disable the sensor The location tags when entered will replace the default channel number and will identify as same when text message is sent out on an alarm condition To modify the location tag simply touch the tag field and a v...

Page 19: ...with a standard PT2000 Controller Screen above shows that unit is Programmed for H2S LEL Combustible and SO2 Type Detector Alarms Two 2 levels of alarm are configured Low and High High High is not used in this case To add another Gas Type Alarm simply press the button in the Sensor Type Column until the desired Gas button is displayed and then set the alarm levels To remove any gas Type alarms for...

Page 20: ...evices will activate as indicated in the following table Note that Horn Relay 4 is common Audible Alarm for all 3 gas sensor type H2S Detector Readings A V Device Activated 10 ppm Low Alarm Blue Strobe 15 ppm High Alarm Horn LEL Detector Readings A V Device Activated 20 Low Alarm Red Strobe 40 High Alarm Horn SO2 Detector Readings A V Device Activated 10 ppm Low Alarm Amber Strobe 20 ppm High Alar...

Page 21: ...g or Non Latching Non Latching are automatically reset when the alarm condition clears However for Latching relays a manual RESET button is provided on the main display screen The alarm relays shall be manually reset or deactivated when the alarm condition clears For each relay press the button to toggle between Latching and Non Latching ...

Page 22: ...List will receive Alarm Messages when any Low and High H2S alarms as well as any sensor fault conditions occur Phone numbers listed in Level 2 will receive H2S Alarm messages only if any sensor exceeds High H2S Alarm Levels Thus mobile phone numbers in Level 1 List could be for all maintenance personnel while numbers in Level 2 list could be for all supervisory personnel Maximum of 4 phone numbers...

Page 23: ...elay connections Gas Alarm Drill To activate alarm simply tap the button to toggle between ON and OFF The relay alarm is activated when button is ON and deactivated when OFF As per screen shot below Low H2S Alarm and High H2S Alarm Device should be active Amber Strobe and Horn as per logic in the previous section Upon Exit all alarm relays will be deactivated ...

Page 24: ...information firmware revision and part numbers and Unit IP Address Also includes information if the firmware has any custom modifications 4 8 I O Communication Status This screen displays communication status between each I O module and device A message Comm Error appears in red for any device communication error ...

Page 25: ... position Else set the button to NO and enter the time after which the display will turn off This is primarily to save power if the unit is running on battery backup or solar panels 4 10 Set System Clock date Time Edit Change system time clock To modify date or time simply press the appropriate field and a numeric keypad will appear Enter in the new date and by using the Up and Down Arrow Keys Pre...

Page 26: ... channels are programmed as H2S channels Channels 9 thru 12 as LEL type and Channel 13 thru16 as SO2 Channels 17 thru 24 have been disabled Configuration of each sensor data Configuration and Setup Each sensor location tag is user programmable As shown above channel 1 thru 5 have been programmed with the sensor location tags Refer to section on Sensor Configuration for programming tags Reset Activ...

Page 27: ...orm Mobile Phone tower If disabled the unit will not send any Alarm Text Messages to the mobile phone configured in the phone call out list Upper right corner in the header is the location or Site name This is simply a text data field entered by the user 5 2 Sensor Battery Levels Voltages In figure 5 above Typical Main Display Screen Channel 6 indicates a low battery icon The view the actual batte...

Page 28: ...view the battery levels of all the sensors on the detectors simply the press the first soft key on the left side of the display panel All the detectors that have low battery will be displayed in flashing Red Press EXIT to return Press this key to display Battery Levels Voltages ...

Page 29: ... the sensor tag continues to flash This feature allows the user to determine which sensor has caused an alarm To Stop flashing sensor tag simply press the Alarm Reset button on the screen The sample display screen below illustrates H2S Sensor on Drill Floor channel 1 is in alarm state is flashing red background with white text H2S ALARM For an LEL or any other gas type alarm similar sensor data is...

Page 30: ...n the user defined alarm levels the relays will be activated again RESET button should be used either to deactivate Latching Alarms or to Reset the Flashing Sensor tags caused by channel in alarm Alarm BYPASS If alarms are currently active pressing the BYPASS ALARMS button will silence the A V alarms by deactivating the relays The duration of ALRAM in BYPASS mode is set by user in System Parameter...

Page 31: ...High Level Gas Alarm condition Clears to normal When controller is placed in Alarm Bypass mode using the switch on the display screen Low Battery signal on any detector Communication Failure Level 2 List will Only Receive if any sensor exceeds the High Alarm Condition Also receive message if High Alarm Condition Clears Following are the examples of the Text Messages generated Note that first line ...

Page 32: ... SMS A high gas Alarm text message is generated when any sensor goes into alarm Upon rece as response to the controller The PT2000H controller upon receiving the Bypass response will inhibit all alarms for time period configured as Bypass Time This allows the user ability to remotely bypass the alarms ...

Page 33: ...k user has an option to delete all the data files from the controller s flash memory 6 1 Interval Data Log At the end of every 15 minutes interval the controller saves a record with a date and time stamp for all the sensor readings Each record contains Maximum and average gas reading of each channel Maximum is the peak reading detected by the sensor while Average is the time weighted average of th...

Page 34: ...ontroller The USB port is located on the front panel below the display screen When a valid USB flash memory stick is inserted into the port a message on the bottom of the screen will appear prompting the user that data is being copied to the flash stick Once the data is copied a message will appear prompting the user the remove the flash stick Note that transferring the data log files from the con...

Page 35: ...rators Manual Model PT2000 H Series Gas Monitor Rev 2 January 2014 6 4 Sample Data Logs Figure 6 and 7 shows data log files in Excel format Sample Interval Data Log Figure 6 Sample Interval Data Log in Excel ...

Page 36: ...36 Operators Manual Model PT2000 H Series Gas Monitor Rev 2 January 2014 Sample Event Log Figure 7 Sample Historical Event in Excel ...

Page 37: ... are to be displayed in Live mode Each Screen shot is about 5 minutes in time Use the buttons on bottom of the graph to span in out or zoom in out of the time period specified on the screen Each graph for each channel is displayed in different color Upper right area of the screen shows the pen color and legends 04 08 13 11 30 AM Width 5M Grid 30 LIVE 04 08 13 11 35 AM Press Legend Box to switch to...

Page 38: ...nt panel of the display 6 6 View Event Log This is to view the historical events All the events are saved in an event log file that can be viewed on the display The following screen shows the alarm event with date and time stamp Rig Location 1 Date Time Chan Tag Event Description 04 01 2013 8 00 00 Unit Startup 04 01 2013 8 00 01 Channel 1 Calib Mode 04 01 2013 8 30 00 Channel 2 Low Alarm Active 0...

Page 39: ...orical Data Logs Caution Select this option from the main menu screen Selecting this option will erase all the historical data logs from the controller flash memory It is recommended to select this option only after downloading the data Press OK to erase data or CANCEL to abort and return ...

Page 40: ...eceptacle on the side for power cable connection from the Solar Panel This connector is not available installed if the detector is internal battery operated Refer to Figure 8 below Using a Pole Mount bracket with U Bolt Assembly install the Detector to a pole at appropriate height Similarly Using a U Bolt install the solar Array Module if the detector is a solar powered unit Typically for LEL Comb...

Page 41: ...he Sensor Enclosure may be used However if the detector is installed at a distant from the main controller a directional Yagi Antenna shall be used 7 2 1 Installing Dipole Antenna Attach the Dipole antenna on SMA Connector gold plated on Antenna Mount Assembly See Figure below Do not over tighten the antenna Install black polycarbonate protective cover onto the Antenna mount assembly Antenna Mount...

Page 42: ...r via a coax cable The N Male connector on the coax cable attaches to the Yagi Antenna and the Female RPSMA Gold connector is to be connected to the antenna mount assembly on the detector See Figure below Slip the short protective cover provided with the coax cable onto the Antenna mount assembly as shown in figure below The protective cover restricts the horizontal cable movement and thus avoids ...

Page 43: ...cket Connect the short cable connector on the antenna with the N Male connector of the coax cable 4 Pan Head Screws Bottom exiting cable 2 Open Drain on bottom 2 Drain Hole Plugs Pole Mount Yagi Antenna 2 4 GHz 1 OF 1 1 2013140 Coax Cable to Sensor Antenna Mount Connector 07 19 2013 RM Figure 9 Installing Yagi Directional Antenna for Detectors ...

Page 44: ...ve the Glass Cover Loosen two 2 thumb screws on top of the transmitter board assembly DO NOT COMPLETELY REMOVE THE THUMB SCREWS Find a short ribbon cable attached on the connection board assembly next the battery compartment Connect the transmitter board assembly to the connection board via this ribbon cable Place the transmitter board back on the stand offs on the connection board and secure the ...

Page 45: ...nd ID are recalled from the memory when the unit is powered up again Note The addresses to each sensor are assigned at the factory when a complete system is shipped However when a single replacement sensor is purchased then user must assign the address to the sensor In order for the detector to communicate with PT2000 Series Control Monitor each sensor must be assigned a unique address The sensor ...

Page 46: ...ed zone id is displayed on the LCD and then remove the magnet 6 Few seconds after the magnet is removed the unit will return to normal operation The sensor may re boot if the zone id is modified The new zone ID will be retained in the non volatile memory and will be recalled upon next power up Caution The default Zone ID is 0 set at the factory for all the detectors and the controller In order for...

Page 47: ... sensor 1 Make sure the detector and ambient air is clear of gas vapors 2 Remove the rain splash guard if attached 3 position to activate the magnetic switch as shown in figure 11 4 Place and hold the magnet until display indicates the 5 While the Calib Sensor message is being displayed the sensor is making its initial adjustments It may take 5 to 10 seconds Note Do not apply calibration gas yet 6...

Page 48: ...utes 9 After 2 minutes the sensor will display Adjustng for 5 to 15 seconds while making adjustments and recording the calibration data into memory When completed the display will starts flashing rapidly At this time remove the calibration gas and allow the sensor to clear Do not remove the calibration gas while the sensor is adjusting Remove the gas only when Calibration OK message is displayed 1...

Page 49: ...ure A short sensor element could result in this error Check if sensor wires are connected properly and firmly to the sensor terminals Error 2 Sensor Zero too low The microprocessor was unable to make initial adjustment This error can occur during step 4 of the calibration procedure Check if the sensor wires are not loose and are connected properly to the terminals Also check that the sensor supply...

Page 50: ...ad sensor could also result in this error Error 4 Not enough Sensor reaction to gas At the end of the calibration cycle the microprocessor checks for the adequate sensor reaction to the calibration gas This error code is displayed when sensitivity of the sensor to the calibration gas applied is extremely low and the microprocessor is unable to make final adjustments This error can also occur when ...

Page 51: ...s being used if required Display flashes calibration gas value at the slower rate when the gas is detected by the unit Apply Calib Gas for 1 2 minute Display flashing once every second 1 2 minute calibration time ended Adjstngis displayed for few seconds Sensor making final adjustments and recording calibration data Do not remove the gas while ADJ is being displayed Remove Calib Gas when displaySt...

Page 52: ...or Rev 2 January 2014 Appendix A B2013138 Wiring Diagram for Remote Alarm Relay Module B2013139 Connecting Alarm Station to PT2000 Wireless Controller B2013137 System Overview Inside the Controller Page 1 B2013137 Systems Interval Wiring diagram Page 2 ...

Page 53: ... Visual Alarm 3 Audible Alarm 4 A1 A2 A3 A4 NC RET GND 24 VDC A1 24 VDC VISUAL AUDIBLE DEVICES A2 A3 A4 V RETURN RETURN RETURN V RETURN V V B2013138 1 1 OF 1 07 19 2013 RM Zone V Gnd 24 VDC Power Input Rotary Switch to Selet Zone ID ...

Page 54: ... RETURN RETURN RETURN V V V B2013139 1 1 OF 1 6A RELAY 6A RELAY 6A RELAY 6A RELAY v Ret A2 A1 14 11 12 A2 A1 14 11 12 A2 A1 14 11 12 A2 A1 14 11 12 V AL 1 Return V AL 2 V AL 3 V AL 4 Pwr Source A V Alarms RLY 1 RLY 2 RLY 3 RLY 4 BUSS BUSS BUSS v Ret Pwr Source for Alarm Devices PT2000H Gas Controller 5 Core Cable Relay Terminal Block on PT2000H Controller 07 19 2013 RM AC DC ...

Page 55: ...55 Operators Manual Model PT2000 H Series Gas Monitor Rev 2 January 2014 BREAKER BREAKER ...

Page 56: ...56 Operators Manual Model PT2000 H Series Gas Monitor Rev 2 January 2014 BREAKER BREAKER ...

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