System overview
4.1 Field of application
SIMATIC PN/CAN LINK
Operating Instructions, 03/2022, A5E39895388-AC
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General features
• CAN interface according to ISO 11898-2 (High Speed CAN)
• 2 PROFINET interfaces (integrated switch) enable PROFINET line operation according to
Conformance Class B (CC-B).
• In addition to the PROFINET and CAN protocol, the PN/CAN LINK also offers the CANopen
protocol. This means the PN/CAN LINK can be operated as a CANopen node and can also
take on the role of CANopen Manager in the CANopen network. The PN/CAN LINK can be
operated in the following three modes:
– CANopen Manager
– CANopen Slave
– CAN transparent
• The operating mode for the PN/CAN LINK is set via the associated HSP in the TIA Portal.
• The PN/CAN LINK supports both the standard format (CAN 2.0A) as well as the extended
CAN format (CAN 2.0B).
• The PN/CAN LINK can operate up to 126 nodes in the CAN network in Manager mode.
• The CAN side supports baud rates from 50 kBaud up to 1000 kBaud.
• The maximum permissible cable length of the CAN network is up to 1000 m (dependent
on data transmission rate, cable cross-section, number of nodes).
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