Detcon 240 Manual de Instruções descarregar pdf (Página 24)

240 Operators Manual

Model 240 Operator Manual Rev. 1.8 Page 20 of 29

Bit 4 Not Used

Bit 3 Not Used

Bit 2 Not Used

Bit 1 Not Used

Bit 0 Not Used

Low Byte

Bit 7 Not Used

Bit 6 Not Used

Bit 5 Not Used

Bit 4 Not Used

Bit 3 Not Used

Bit 2 Not Used

Bit 1 1 = Channel 2 Cal 0 = Channel 2 no Cal

Bit 0 1 = Channel 1 Cal 0 = Channel 1 no Cal

7.2 Download Procedure

The Model 240-N4X Gas Detection Alarm System has very capable features in the area of data logging and

event reporting. Continuous data for TWA and Peak readings are stored at 1-hour increments in permanent

memory for retrieval. All Event Records are stored only as they occur. The duration of the recorded

storage is 1 month for the TWA readings, Peak readings, and Event Records.

This data can be downloaded to an external PC. The downloaded data can be exported into a Microsoft

Excel spreadsheet for graphing purposes. The procedure requires a computer with windows Hyper

Terminal, a serial port, and Detcon connections cable part number 980-26117. If the computer does not

have a serial port, a USB to serial adapter will also be required. USB to serial adapters may be purchased

from many retail electronics stores.

NOTE: The download feature will only work with the following X40 controller hardware. This number is

printed in white on the back of the controller PCB. The controller firmware must be a version that supports

this feature. The controller firmware revision can be checked by cycling power to the controller and

observing the LCD display.

Hardware Number Firmware Version

440-005071-001 1.23 or higher.

440-005072-001 1.23 or higher.

440-005073-001 1.18 or higher.

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Detcon 240 Manual de Instruções Página 24