Basic settings, Can bus, Node id – Flowserve LRR1-40 TDS Control Unit User Manual

Page 19: Can bus nodeid

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19

Basic Settings

CAN bus

All devices (level, conductivity) are interconnected via CAN bus. The CANopen protocol
is used for the data exchange between the equipment groups. All devices have an
electronic "address" - the node ID. The four-core bus cable serves as power supply and
data highway for high-speed data exchange.

The CAN address (node ID) can be set between 1 and 123.

The control unit LRR 1- 40 has already been configured at our works for operation with
other GESTRA components and can be used straight away without having to set the
nodeID.

If several identical systems are to communicate in a CAN bus network, allocate a different
nodeID for each system.
Please observe the following “Table Node ID“.

Node ID

Should it be necessary to establish other node IDs please take the interdependence of
the equipment into consideration and assign the node IDs for the individual group
components according to the following table:

Reserved

LRR 1-40

LRG 16-40

Reserved

X - 1

X

X +1

X +2

50

51

Factory setting

reserved area

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