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CiA standardization

CANopen/IO-Link gateway specification

The nonprofit CAN in Automation (CiA) association has released the CiA 463 series standardizing the gateway between Classic CANopen resp. CANopen FD networks and IO‑Link.

The CiA 463 device profile series specifies an IO-Link gateway to Classic CANopen and CANopen FD (Source: Adobe Stock)

Gateways compliant to this interface profile specification may host multiple IO-Link connections. In one IO-Link master 16 master ports are available. The gateway may host one or several IO-Link masters. On the CANopen (FD) network the process data is mapped to PDOs (process data objects). The PD (Process Data) that is transmitted between an IO-Link device and an IO-Link master is mapped to eight-byte PDOs on the Classic CANopen network. Profited from the CAN FD’s higher data throughput, the PD can be mapped to up to 48 byte PDOs on the CANopen FD network. The PD can be transmitted bidirectional from CANopen (FD) networks to the IO-Link connections and vice versa.

The CiA 463 series is applicable for gateways, extendable bus coupler with an internal backbone (e.g. sliced I/Os), multi-axis servo drives (physical modules) with each axis having independent operation modes (logic modules), etc. CiA 463-B specifies the object dictionary. CiA 463-C standardizes the mapping to Classic CANopen and CiA 463-F describes the mapping to CANopen FD. The documents are available only for CiA members. “After first implementation experiences, CiA will review the profile specification and make it available also to CiA 400 series subscribers,” explained Holger Zeltwanger, CiA Managing Director.

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Publish date
2019-07-11
Company

CAN in Automation

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