2BPRODUCT OVERVIEW
3.4 Function
The primary task of SIWAREX U consists in the measurement of the current weight
value. By means of the integration in SIMATIC, there is the option of processing
the weight value directly in the PLC.
SIWAREX U is already pre-adjusted in the factory. This makes possible the
theoretical adjustment of the scale without adjustment weights as well as module
replacement without a new adjustment of the scale.
SIWAREX U possesses two serial ports. The TTY port is for the connection of
digital remote displays. A PC can be connected to the RS 232 port for the setting of
SIWAREX U.
The weighing module SIWAREX U can also be used in areas with a risk of
explosion (Zone 2). Via an optional Ex interface SIWAREX IS, the load cells are
securely connected for Zone 1 applications.
Figure 3-2 Areas of application of SIWAREX modules in the production chain
SIWAREX U 3-7
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