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ADMA Measurement Data


The disposability of interfaces and data packets depends on both:
1] The used ADMA hardware type.
2] The license availability.

General Notes#

The data supplied via CAN Interface is defined as V3.x ADMA HW-Version 3.0 format.

The ADMA output data are allocated to logical groups, and data packets refer to article Data packets ADMA Data V3.3.3. The ADMA Webinterface can be used to activate any individual data packet for transmission via the selected CAN interface. The status/error bit field is transmitted regardless.

The data supplied via Ethernet Interface is defined as V3.x ADMA HW-Version 3.0 format.

The structure and Ethernet byte offsets of the UDP stream refer to article Data packets ADMA Data V3.3.3.

Format and resolution of the data packets#

To prevent conversion problems with float data formats and to reduce data volumes, all transmitted measurement values consist of integer and long integer values with floating decimal places (refer to article Data packets ADMA Data V3.3.3).
The measurement data resolutions provided in the chart, accordingly relate to data transmission and not to physical parameters.

Sampling frequencies and data volumes#

The ADMA can output measured data with several sampling frequencies.
Available sampling frequencies are:

ADMA SYSTEMSAMPLING FREQUENCIES
ADMA-G-PRO+50, 100, 200, 250, 400, 500, 1000 Hz
ADMA-ECO+/ECO50, 100, 200, 250, 400, 500, 1000 Hz
ADMA-G-EntryLevel+/EntryLevel50, 100, 200, 250, 400 Hz (1000 Hz optional)
ADMA-Speed50, 100, 200, 250, 400 Hz (1000 Hz optional)
ADMA-Slim50, 100, 200, 250, 400 Hz (1000 Hz optional)

Note:
The maximum transmittable data volume decreases as the sampling frequency increases. The ADMA Webinterface, used for selecting the sampling frequency, issues a warning if to many data packets are set to be transmitted. With the Multi CAN license it is possible to use up to 6 CAN Buses, to increase the maximum transmittable data volume on high sampling frequencies.
Furthermore, the data packet System data contains the variable “DSP Load”. It indicates the real load of the processor in percent of the available time.

Applikationsingenieur | bei GeneSys seit 2014

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