ES600 – Network module

The ES600 Network Module is ideally suited for automotive use. It is the heart of the modular, Ethernet-based ETAS measurement, calibration, diagnostics and prototyping system.

Up to six ETAS compact hardware modules – including additional ES600 modules – can be connected to an ES600 Network Module and synchronized and provided with power by it. On top of that, the ES600 modules synchronize the data collected via the individual channels of the connected measurement, interface or prototyping modules.

For example, with the help of the ES600.2 module you can connect up to four ECUs with an XETK interface to the ES910 Prototyping and Interface Module with which, on the test bench, values can be modified in the ECU and measured data acquired in short cycles.

ES600 modules help prevent the periodic divergence of different signals during a measurement: the linked modules act as a single measuring instrument, the timestamps of which fluctuate less than a microsecond from the specified cycle time. This guarantees temporal correlation of the data from different measuring channels at all times.

A series of LEDs continuously display the module’s operating and error status as well as the activity of the individual connections. To save electricity, the connected modules automatically switch to standby mode when no PC or drive recorder is hooked up. To avoid load peaks, the ES600 modules switch on the connected devices sequentially during startup.

The modules provide a global clock pulse for comparing the measurement channels in a module network.

The time synchronization unit of the ES600 master synchronizes the connected modules via the Ethernet lines. The slave modules adapt to the clock rate specified by the master module. The master module is always the module that is connected to the PC.

This excludes the possibility of a phase shift between the individual measurement signals, even when measurements are taken from different modules. The data of all the connected modules from the ES4xx, ES5xx, and ES6xx model ranges and from the (X)ETK is acquired synchronously with microsecond precision.

If an ES89x is expanded with an ES600 module in a test setup, they will communicate with each other via a Gigabit Ethernet connection. In this domain, time synchronization takes place in accordance with the "IEEE 1588" protocol.

The downstream modules connected to the ES600 communicate via an Ethernet connection. The signals are synchronized in this domain in accordance with the "ETAS Sync" protocol. The ES600 serves as an interface between the two domains and ensures that the signals of the downstream modules are nevertheless displayed on the computer synchronously in accordance with the "IEEE 1588" protocol.

The data of all the connected modules from the ES4xx, ES5xx, and ES6xx model ranges and from the (X)ETK is acquired synchronously with microsecond precision.

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