General Recorder Control Considerations; General Recorder Operation - Reftek 180-SM 2 Series User Manual

Rev 1.0

1.7 General Recorder Control Considerations

The SMx 2 DAS is a microprocessor-based instrument. Each SMx
programmable flash memory that contains the SMx
microprocessor instructions and FPGA images). Occasionally, REF TEK revises the SMx
DAS firmware, adding features and improving efficiency. The firmware can be upgraded
by downloading new code images onto the USB flash drive. To download new code see
"Firmware update options". Contact REF TEK to determine the availability, applicability
and advantages of such an upgrade.
In addition to the CPU control code in the SMx
enter specific parameter information to instruct it exactly how and when to record data
and perform other system functions. A web-based User Interface (Web UI) is used to
enter these parameters. Mobile devices can access the Web UI over Wi-Fi.

1.7.1 General Recorder operation

The SMx 2 DAS provides a Web UI to select data collection parameters. All SMx
units have multiple datastream capability (maximum of 4 plus one auxiliary), allowing
users a vast array of possible parameter combinations.
You may set the following parameters for each datastream:
• Which input channel or channels to include
• Sample rate
• Data compression format
•
Trigger type
The trigger type selected for a datastream defines the particular mechanism that
controls when the SMx
supported are as follows:
• Continuous trigger
• Level trigger
• External trigger
• Time Interval trigger
• Time List trigger
• Event trigger
• Vote/External trigger
Each trigger has its own set of parameters that determines the exact conditions under
which the SMx 2 DAS records data.
Reftek Systems Inc.
180-SMx2 Users Guide
180-SMx2-UG
2
DAS records data. The various predefined trigger types
2 DAS unit contains
2
DAS firmware (control code,
2 DAS, the SMx 2 DAS requires that you
11/29/2022
2
2 DAS
7