17.7.17
UNIGATE
®
fieldbus gateway UNIGATE
®
MB - EtherCAT
®
V. 1.4
17
Deutschmann Automation GmbH & Co. KG
Mode of operation of the system
7
Mode of operation of the system
7.1 General explanation
Communication can be split into seven layers, Layer 1 to Layer 7, in accordance with the
ISO/OSI model.
The Deutschmann Automation Gateways convert Layers 1 and 2 of the customized bus system
(RS485 / RS232 / RS422) to the corresponding Fieldbus system. Layers 3 to 6 are blank, and
Layer 7 is converted in accordance with chapter 7.3.
The Gateway can be configured via the software WINGATE.
7.2 Interfaces
The Gateway features the RS232-, RS422- and RS485-interfaces. The switching of the inter-
faces is done via the configuration (Parameter 232 Interface).
7.3 Data exchange
All data is transferred by the Gateway in dependence of the configuration.
7.4 Possible data lengths
The table below shows the maximum transferable data:
Input data
max. 1024 bytes
Variable: maximum value in this case
Output data
max. 1024 bytes
Variable: maximum value in this case
7.5 Startup phase
The Gateway is parameterized and configured by the Master during the startup phase. Only after
a correct termination of the startup phase the data exchage with external devices will take place.
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