VEGA VEGALOG 571 EA - Manual (Page 7)

3 Product description
3.1 Configuration
The scope of delivery encompasses:
l
19" module card VEGALOG 571 EA
l
Documentation
- this operating instructions manual
3.2 Principle of operation
The EA card (input analogue) together with the VEGALOG 571
processing system is used as input card for up to ten 0/
4 … 20 mA instruments.
l
Capacitive probes
l Hydrostatic pressure transmitters
l
Vibrating level switches
l
Conductive probes
l
Process and differential pressure transmitters
l
Switching contact (level signaller)
l
External power sources 0/4 … 20 mA
The EA card is used as input card for up to ten 0/4 … 20 mA
instruments. It powers the sensors and reads in the analogue
measuring signals or switching commands. After the meas-
ured values are preprocessed, they are transferred via the
internal LOGBUS to the CPU card for further processing.
The module card is powered by the common power supply unit
of the VEGALOG system.
The data for power supply are stated in chapter "Technical
data" in the "Supplement".
3.3 Operation
The operation of VEGALOG 571 is carried out via a PC which
can be connected via the RS232 interface of the CPU. As an
alternative, connection via Ethernet and VEGACOM 558 is
possible.
The adjustment software PACTware™ with the corresponding
DTMs is installed under Windows™ and ensures easy
configuration of measuring systems as well as parameter
adjustment of connected VEGA sensors. For this purpose,
PACTware™ provides a clear adjustment interface with menu
Scope of delivery
Area of application
Functional principle
Supply
VEGALOG 571 EA - Input card analogue 7
Product description
31948
-EN
-070307