Microscan MS-4X Instrukcja Użytkownika Strona 293

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Interface Standards
MS-880 Industrial Long Range Scanner User’s Manual A-37
Appendices
ProfiBus DP
PROFIBUS is a vendor-independent, open field bus standard for a wide range of appli-
cations in manufacturing and process automation. Vendor-independence and open-
ness are ensured by the international standards EN 50170 and EN 50254. PROFIBUS
allows communication between devices of different manufacturers without any special
interface adjustment. PROFIBUS can be used for both high-speed time critical applica-
tions and complex communication tasks.
Modicon Ethernet
The Modicon Ethernet system consists of three basic elements:
1. the physical medium used to carry Ethernet signals between computers
2. a set of medium access control rules embedded in each Ethernet interface that
allow multiple computers to fairly arbitrate access to the shared Ethernet channel
3. an Ethernet frame that consists of a standardized set of bits used to carry data
over the system
DH485
The DH485 network offers: intercommunication of up to 32 devices,
peer-to-peer capability, the ability to add or remove nodes without disrupting the net-
work maximum network length of 1219m (4000
ft.), can be extended to 2438m (8000 ft.) with 2 AIC+ units.
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