82.031.0101.0 WIELAND ELECTRIC, 82.031.0101.0 Datasheet - Page 407

• Manufacturer Part Number: 82.031.0101.0
• Description: COUPLING MODULE
• Manufacturer: WIELAND ELECTRIC

Specifications of 82.031.0101.0

• Connector Type: Modular
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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The INTERBUS system was developed
especially for machine system
applications and fast processes.
This fieldbus system is therefore mainly
used in automated manufacturing on
system level, and as object-oriented
fieldbus used to connect sensors and
actuators. Standard PLC applications and
industrial PC applications are possible with
a minimum of costs and effort [Phoe97]
[BaMü98].
The INTERBUS is set up from point-to-
point connections as actively coupled ring.
The bus nodes use separate lines each in
both directions. This avoids a return from
the last to the first node as usually
required in ring-connected systems. The
forward and return lines are both carried in
one cable. This makes the INTERBUS
resemble a public service bus in terms of
installation, as only one cable is drawn
from node to node. A complete bus
system is thus implemented with
different bus nodes, called interface
module, bus coupler, bus network devices
and local bus devices.
An interface module (master) operates as
central unit for data communication in the
bus network. The interface module also
connects the INTERBUS system with the
higher-level control system. The remote
bus network can be set up with max. 512
stations and max. 400 m distance
between 2 nodes with a data transmission
rate of 500 kbit/s. The RS485 standard
is used for data transmission on a
two-wire line. The remote bus nodes are
all equipped with a separate auxiliary
power supply and function as repeaters
due to their active couplings, thus
enabling long distances. They are
furthermore electrically isolated from the
advancing INTERBUS segment. Remote
bus nodes are both input/output devices
and couplers of lower-level sub-rings.
There are also mixed versions, the so-
called I/O bus couplers.
As INTERBUS does not define any
addresses for the nodes in the protocol,
the max. number of bus nodes is deter-
mined by the master firmware. Implemen-
ted firmware allows up to 512 remote bus
network nodes. In theory, a distance of
102 km is therefore possible for an
INTERBUS system using copper wires.
However, a max. system expansion of 13
km is currently guaranteed only. Longer
distances can be achieved by using other
transfer media such as fiber optic cables
which currently allow total expansions of
100 km.
Characteristics:
Ring-type structure with active node
coupling
Bus network with max. 512 nodes,
max. distance of 400 m, max. total
expansion of 13 km with copper cables,
and 100 km with fiber optic cable
Local bus with 8 nodes,
max. distance of 1.5 m,
max. total expansion of 10 m
Node addressing according to their
order assignment in the ring
Transmission rate: Bus network with
500 kbit/s, local bus with 300 kbit/s
Bus network using an interface based
on RS485 two-wire technology
Local bus using CMOS level, and 4 wire
pairs for transmission
Possible degree of protection up to
IP 65
High data security; several protection
mechanisms (such as CRC)
Open system (DIN E 19 258; EN 50
254)
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