Detcon 140 - Manual (Page 20)

140 Operators Manual
Model 140 Operator Manual Rev. 1.8 Page 16 of 29
6.5.9
Set Modbus Address:
This menu entry allows for the setting of the serial address of this controller when it is to be polled by
another master device via RS485 Modbus RTU. This should be set in hexadecimal format.
SET MODBUS ADDRESS:
01
6.5.10
View TWA and Peak Readings
This menu entry is used to view the recorded TWA and Peak readings for the different gas channels. This
data can be viewed on the screen or can be downloaded via the RS232 port to a PC for graphical
presentation. Refer to Section 7.2 on instruction for using the downloading software provided with this
controller.
05/05/04 09:00 0001
CH1 TWA XX PK XX
This data is recorded and formatted for display. It will report the date (05/05/04), time (09:00), record #
(0001), CH#, TWA and Peak reading as shown above.
6.5.11
View Event Records
This menu entry is used to view the recorded and saved Alarm, Fault and Maintenance records for the
different gas channels. This data can be viewed on the screen or can be downloaded via the RS-232 port to
a PC for graphical presentation. Refer to Section 7.2 on instruction for using the downloading software
provided with this controller.
05/06/04 09:00
0000 CH1 ALM1 ON
The data is formatted for display. It will report the date, time, record #, CH#, Event type and Event status.
All events will be logged with their start and stop times in the order that they occur.
6.5.12
Download History
The menu item allows downloading the units’ history to a PC. 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. Refer to Section 7.2 for complete procedure.
DOWNLOAD HISTORY