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Wireless Gas Detection

PT2008 Monitor & Controller

Revision 4

October 2015

Operator’s

Manual

(ISM 2.4 GHz & 900 MHz)

Pem-Tech, Inc.

Houston, Texas

U.S.A

www.pem-tech.com

Gas Detection Technology

Содержание PT2008 Series

Страница 1: ...Wireless Gas Detection PT2008 Monitor Controller Revision 4 October 2015 Operator s Manual ISM 2 4 GHz 900 MHz Pem Tech Inc Houston Texas U S A www pem tech com Gas Detection Technology ...

Страница 2: ...including but not limited to damage by accident negligence tampering or failure to operate in accordance with the procedures outlined in the Operations Manual PEM TECH s liability under no circumstances will exceed replacement of the unit claimed to be defective Tampering with the equipment and altering it for uses other than the intended use or replacement of parts not supplied by the company sha...

Страница 3: ...tion 11 3 0 Startup 15 3 1 Apply Power 15 3 2 Normal Operation and Alarms 15 3 2 1 Normal Operation 15 3 2 2 Alarms 16 3 2 3 Alarm Reset 16 3 2 4 Alarm Bypass Acknowledge 16 4 0 Edit System Configurations 17 4 1 Set Alarm Levels 18 4 2 Alarm Relay Types 19 4 3 Enable Disable Channel 20 4 4 Sensor Location Tags 21 4 4 1 User programmable sensor Tags 21 4 4 2 Setting MS Windows Hyper Terminal 23 4 5...

Страница 4: ...owever no sensor reading will be shown Each channel will show a line in place of the gas readings since sensors have not yet been installed and powered up Important Antenna installed must be in line of sight with all the Ultra 1000 Sensors installed in the facility Reminder Each sensor has been assigned a unique Sensor ID Address This address or ID is indicated via a label on top of the junction b...

Страница 5: ...Figure 1 Fiberglass enclosure dimensional overview Wireless Gas Detection Page 5 ...

Страница 6: ...minal layout inside PT2008 Controller HINGED DOOR WITH CLEAR VIEWING WINDOW NOT SHOWN N L RELAY 1 RELAY 2 T T RS232 RELAY 3 RELAY 5 COM NC RELAY 6 NO COM NC NO RELAY 4 DC IN V FAULT GND COM NC NO Wireless Gas Detection Page 6 ...

Страница 7: ...ay 6 fully programmable alarm relay contacts and a communication or sensor fault relay Also on the front panel are LEDs for visual alarm indicators On board an RS232 port to program the sensor location tags optional and an RS485 port to send data to PLC or DCS using MODBUS RTU Communication protocol Figure 3 Model PT2008 Controller Front view MULTICHANNEL CONTROLLER MODEL PT2008 ACK RESET PRGM ENT...

Страница 8: ...eypad switches to program controller configuration Also the RESET and ACK key switches are used to Reset and acknowledge any active alarms respectively 1 3 1 KEYPAD SWITCHES RESET When pressed in normal mode it will Reset any currently active alarms ACK Pressing the key will bypass or acknowledge active alarms for 30 minutes After 30 minutes if any sensor is still in alarm state the alarm relays w...

Страница 9: ...isplay for gas reading and system configuration Visual Indicators LED display for active Low and High alarms and sensor malfunction 900 MHz 2 4 GHz Sensitivity 110 dBm 105 dBm Spread Spectrum FHSS frequency Hopping Spread spectrum Frequency Hopping wide band modulator Data Encryption 256 Bit AES Encryption Certification FCC Part 15 247 4214A 1208 Canada FCC Part 15 247 USA 4214A 1208 Canada ETSI E...

Страница 10: ...ard loosen the 2 panel screws on right side of the front panel This will allow the hinged front panel to swing out The coax antenna cable and power and alarm cables must be brought in through the cable glands on the bottom of the enclosure 2 2 AC POWER INPUT Din terminal block are provided for AC power Refer to figure 2 for the power and alarm connections 2 3 ALARM WIRING DIAGRAM Figure 5 is a typ...

Страница 11: ...on high alarm siren for both toxic and combustible Alarm relay 1 is wired for Low toxic gas alarm alarm relay 2 for low combustible alarm and alarm relay 3 for common high alarm Assume the toxic and LEL alarm levels are as listed in table below Sample alarm levels set points Sensor Type Low Alarm High Alarm Toxic H2S 10 15 LEL 20 40 To achieve this alarm relays on the gas monitor must be configure...

Страница 12: ...Equal to 10 But Less than 15 1 Amber Strobe Greater than or equal to 15 1 3 Amber Strobe Horn Sensor Gas Reading Relay Activated Strobe Horn LEL Combustible Greater than or Equal to 20 But Less than 40 2 Red Strobe Greater than or equal to 40 2 3 Red Strobe Horn Wireless Gas Detection Page 12 ...

Страница 13: ...xic Low LEL High Tox LEL RETURN AC DC POWER SUPPLY C NO NC ALARM 6 NC NO C ALARM 5 PT2008 Connection Board Partly show for clarity Amber Strobe Red Strobe Horn Audio Visual Alarm Devices Amber Low Toxic Alarm Red Low LEL Alarm Horn Common High Alarm AC Powered Supply Return Supply Supply Return Return Wireless Gas Detection Page 13 ...

Страница 14: ...Wiring Alarm Station using external Power Figure 4A Wiring PT2008 to Alarm Station Wireless Gas Detection Page 14 ...

Страница 15: ... dashes are displayed to indicate no data received from the sensor 3 2 NORMAL OPERATION AND ALARMS 3 2 1 Normal Operation During normal operation the monitor will display the channel number or sensor location tags with current sensor readings The channel number corresponds to the Address number assigned to each Ultra1000 sensors These addresses must be distinct and sequential The controller monito...

Страница 16: ...e higher than the programmed alarm set point the alarm will be activated again 3 2 4 Alarm Bypass or Acknowledge In the Alarm Acknowledge mode the monitor will not activate the alarm relays if any of the sensor reading exceeds the programmed alarm level Press and hold the ACK key until the Acknowledge message is displayed on the LCD The displayed message will indicate the alarm bypass time This by...

Страница 17: ...option from the Edit Configuration menu Following window is displayed Using the Up and Down arrow key on the front panel keypad move the Pointer on the LCD to the desired selection and press ENTER to select Once the target gas type detector is selected the following alarm level setup screen will be displayed Edit Configuration Set Alarm Levels Alarm Relay Types Channel Enable Disable Sensor Locati...

Страница 18: ...press the RESET key to return to main Edit Configuration menu To change the LEL Alarm levels simply select LEL Alarms for the selection list and follow the same procedure as discussed above Edit H2S Alarms Level Relay AL 1 10 1 AL 2 15 3 AL 3 20 5 AL 4 0 0 AL 5 0 0 AL 6 0 0 Edit LEL Alarms Level Relay AL 1 20 2 AL 2 40 3 AL 3 50 6 AL 4 0 0 AL 5 0 0 AL 6 0 0 Select to Edit Alarms H2S H2 LEL NO2 CO ...

Страница 19: ... Energ R 3 Non Latch De Energ R 4 Non Latch De Energ R 5 Latching De Energ R 6 Latching De Energ FLT Non Latch De Energ Latching alarm relays require manual RESET where as non latching alarms are auto reset that is they are deactivated once the gas concentration falls below the programmed level or set point Normally Energized relays are typically used for Fail Safe operation In normal operation an...

Страница 20: ... the channel number and press Enter to toggle between Enable and Disable option The above configuration illustrates that channel detector with address 13 thru 16 have been disabled thus making the unit as a 12 channel controller PT2008 will only display data from 12 detectors on the network If any additional detectors are installed then simply enable the channel CH 01 Enable CH 02 Enable CH 03 Ena...

Страница 21: ... 2 Connect RS232 port on PT2008 to Serial Comm Port on laptop using standard DB9 Male Female RS232 cable 3 From main configuration menu select Program Location Tags option and the press ENTER key 4 If the Hyper Terminal is set and connection has been made properly a small menu will be displayed on the laptop screen 5 If nothing appears on the laptop screen check if Hyper Terminal is configured pro...

Страница 22: ...the current tag name of the sensor simply press the enter key To quit the tag editing simply press the Escape key to return to the menu option The tag names entered so far will be accepted When all the tag names have been entered press the escape key to display the menu options Once all tag names have been verified press the number 3 key on the keyboard to save the tag names The tag names are stor...

Страница 23: ...option select the appropriate serial communication port That would be Direct Communication to COM1 COM2 or COM3 Be sure to select the correct COM Port number on your computer Click OK when done 4 Now set communication port settings as follows Bits Per Second 9600 Data Bits 8 Parity None Stop Bit One 1 Flow Control None 5 Save the current settings by selecting menu option File Save As Click OK to s...

Страница 24: ...PT2008 Controllers are used within short distance to each other and sensors A controller and all the associated sensors must have the same network ID in order to communicate properly Note If Network Zone ID is modified for the controller or the sensors then the unit must be powered down for at least 5 seconds Wireless Gas Detection Page 24 ...

Страница 25: ...ry that can be changed by the user as listed in the MODBUS register table below The PLC communication port must be configured as follows MODBUS Registers defined in the Wireless Controller Unit Address Default address or ID for the Monitor is 120 To change this address perform a MODBUS single write register Function code 6 to register number 3 Write new address to this register and allow 100 milli...

Страница 26: ...which it rolls over to 0 400002 Inter processor communication failure Integer value 0 or 1 0 Communication between processors on the main control board is OK 1 Communication failure between processor Used for system diagnostics 400003 Single Write to this register with new address Valid address is between 1 and 120 Factory Default is 120 400004 400010 Reserved Not Implemented at this time Wireless...

Страница 27: ...give a non zero value Table below lists the MODBUS register number for each sensor data value Table I Sensor MODBUS Register Map Sensor Number or Address MODBUS Registers for Gas Reading Status Battery Voltage 1 400031 400032 400033 2 400035 400036 400037 3 400039 400040 400041 4 400043 400044 400045 5 400047 400048 400049 6 400051 400052 400053 7 400055 400056 400057 8 400059 400060 400061 9 4000...

Страница 28: ...lt Calib Mode Comm Failure Low Battery Bit Description Bit 0 Low Battery Battery voltage or DC Input voltage is low Bit 1 Comm Failure Communication failure between the remote sensor and the main controller Bit set if Broken Wireless Link Bit 2 Calibration Mode Bit Set if Sensor is currently in calibration mode Bit 3 Sensor FAULT Sensor Malfunction Bit 4 Battery Charger Status If the battery charg...

Страница 29: ...e 2 Sensor Codes Code Sensor Type 1 H2S 2 LEL 3 Carbon Monoxide 4 Sulfur Dioxide 5 Oxygen Deficiency 6 Hydrogen 7 Nitrogen Dioxide 8 Discrete Digital Input 9 Hydrogen Fluoride Wireless Gas Detection Page 29 ...

Страница 30: ...escription 900 MHz 2 4 GHz 16 024 5 dBi Dipole Antenna 2 4 GHZ N Male Connector 16 010 2 1 dBi Dipole Antenna 900 MHZ N Male Connector 16 036 9 dBi High Gain Omni Antenna with Pole mount bracket 2 4 GHz 16 038 3 dBi High Gain Omni Antenna with Pole mount bracket 900 MHz 05 131 Surge Arrestor 16 400 25 LMR 400 Series Coax Cable N Male to N Male Connectors Length 25 feet 16 240 10 LMR 240 Series Coa...

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