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VD (E3.1) 10/2020 page 135/179
19. RD4 controller: Data recorder
An internal data recorder saves chamber data and events in three data sets.
With the export function “Export recorder data” (chap. 20.1.3) you can save the three data sets via the
USB interface to USB stick. They are issued in the selected language as a spreadsheet with the file
extension “.csv” and can be further processed in the desired program. The data is unencrypted. Always
the entire data memory is read out.
19.1 Recorded data
All data is given out in tabular form. The headlines of the “number”, “date”, and “time” values are given out
in the selected language, all other information in English.
• Chamber data for the user “DL1”
Tabular representation of the actual temperature and pressure values together with the date and time,
according to the set storage rate (chap. 19.3). Temperature values are always given out in °C.
• Chamber data for BINDER Service “DL2”
This data is intended for use by BINDER Service. It also contains information from the self-test
function. The storage rate is fix (1 minute). Temperature values are always given out in °C.
• Event list
Messages regarding the controller and data memory as well as the alarm messages together with the
date and time:
• Firmware update done
• “New config (USB)”: New configuration uploaded via USB
• “Data recorder cleared”: Data recorder and event list deleted via setup program
• Other event messages according to existing alarms
• The moment of switching the alarm state on and off is indicated under “On/Off”.
19.2 Storage capacity
The storage capacity of the data recorder depends on the number of entries.
• DL1 = 110.000 entries (equaling 76 days with a storage rate of 1 minute, setting see chap. 19.3)
• DL2 = 27.000 entries (equaling 18 days with a fix storage rate of 1 minute)
• Event list: 200 events
The shorter the set storage rate, the closer are the stored measuring points, the more precise, but also
shorter is the documented period.
Once the storage capacity of the data recorder is reached, overwriting of the oldest values begins
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