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Normal Operation 

 
In normal operation the display screen will show the live reading of all the detectors.  The 
data on the screen is typically updated every 2 to 3 seconds.   Each data block for a sensor 
displays the gas readings as well as any diagnostic and trouble message.  Following are 
sample data display for a sensor. 
 

 
 
 

 

 

Sensor at Shale Shaker (Normal state) 

 

Sensor at Shale Shaker High H2S 

Gas Reading starts flashing in Red 

 

 

Control Module on channel 8 (Fixed Gas Monitor), Module 

in alarm bypass mode via Toggle switch on the module 

 

Sensor in FAULT 

 

Sensor in Calibrate Mode 

 

 

Communication Failure with control module 

 

 

Low Battery Signal.  Only for battery operated 

wireless Gas detector 

Содержание PT750 Series W

Страница 1: ...ding 2 Sugar Land Texas 77478 Ph 281 494 2069 Fax 281 494 2167 www pem tech com Installing Wireless Annunciator to existing Fixed and Wireless Gas Detection Control Panels Rev 1 23 March 2016 Gas Detection Technology Houston Texas ...

Страница 2: ...touch screen The unit has a wireless radio module inside the enclosure All is required to simply install the ac power connection and install dipole antenna This new annunciator will replace the existing annunciator that requires wire connection to the main control panel Simply remove the old one and install the new one If necessary the dipole antenna can be replaced with the outdoor antenna using ...

Страница 3: ...reless transmitter simply requires the power connection 24VDC and the RS485 connection from the PT920 control panel or PT2008 Connection board The RS 485 terminal on PT920 and PT2008 are labeled as T and T See the attached drawing Wiring Connection RS 485 Wireless Transmitter Red Connect to 24VDC positive supply Black DC Ground Blue Connect to T RS485 White Connect to T RS485 ...

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Страница 6: ...d Building 2 Sugar Land Texas 77478 Ph 281 494 2069 Fax 281 494 2167 www pem tech com Wireless Annunciator for Fixed and Wireless Gas Control Panels Operators Manual Gas Detection Technology Houston Texas Rev 1 23 March 2016 ...

Страница 7: ...res RS 485 data transmitters to be installed on both Fixed and Wireless control panel No hardware configuration is required Once RS485 data transmitters are installed on the gas control panels simply connect the AC power to the unit follow a simple configuration of the channels as outlined in the next section and the unit should be fully operational Installation PT750 Annunciator is a wall mount f...

Страница 8: ...normal mode the unit display data from all the gas detectors interface to fixed and wireless controller Each detector can be assigned a location tag for easy identification Refer to system configuration section to assign location tags to each detector Figure 1 System Startup Information Screen Figure 2 Normal Data Display Screen ...

Страница 9: ...reen 1 Location Name Touch the edit field for keypad to popup and then enter the name of the location example Rig or specific location of the site 2 Edit Sensor Location Tags Location tags for wireless and fixed controller to be edited Press the appropriate button to edit the sensor location tags The following 2 screen shots shows how the sensor location tags are entered Location tags are entered ...

Страница 10: ...rror message on the screen On the screen shot below note that all the sensor for the fixed system are enabled but for the Wireless control channel 8 is disabled since the controller is only equipped with 7 wireless detectors Note The Sensor location tags will not have any effect on the operation of the unit since these tags are simply for readability and to determine the location of the sensor The...

Страница 11: ...Figure 5 Sensor Location Tags and Enable Disable for Wireless Gas Controller ...

Страница 12: ... will be displayed The screen shows 4 buttons to activate test alarms Low and High alarm for H2S and LEL Simply press the Red mushroom button to toggle the alarm ON OFF Notice the Red Button on top right corner Use the button if the annunciator is also to send command to PT2008 Controller on the Rig Camp to activate the alarm installed on the camp If alarm test is not required on the Rig Camp simp...

Страница 13: ...y diagnostic and trouble message Following are sample data display for a sensor Sensor at Shale Shaker Normal state Sensor at Shale Shaker High H2S Gas Reading starts flashing in Red Control Module on channel 8 Fixed Gas Monitor Module in alarm bypass mode via Toggle switch on the module Sensor in FAULT Sensor in Calibrate Mode Communication Failure with control module Low Battery Signal Only for ...

Страница 14: ...screen Once the alarm clears the red flashing messages are cleared However the sensor location tag will still be flashing This feature is useful if any detector went into alarm and then cleared after sometime With the tag flashing the user can determine which detector went into alarm state This flashing tag can be reset or cleared by pressing the RESET button on the status bar ...

Страница 15: ...l reactivate the alarms If alarms are cleared pressing the RESET will clear the flashing sensor location tags if any Alarm Bypass Pressing the Alarm Bypass button will send the command to the control panel The bypass mode on the fixed control panel is a soft bypass for 30 minutes After 30 minutes all the control modules on the fixed system and wireless controller will return to normal mode ...

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