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IEC 62591:2016 specifies a wireless communication network in addition to the Type 20 in IEC 61158-3-20, IEC 61158-4-20, IEC 61158-5-20, IEC 61158-6-20 and a Communication Profile CP 9/2 in addition to IEC 61784-1, CPF 9. It specifies the following:
- Physical layer service definition and protocol specification,
- Data-link layer service and protocol,
- Application layer service and protocol,
- Network management,
- Security,
- Communication profile,
- Wireless procedures and Gateway. This second edition cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- enhancements to the performance statistics using key performance indicators (KPI);
- "Stale Data" detection was added (see services Read stale data setpoints, Write stale data timer and Write stale data count setpoint).;
- gateway commands were added;
- a Quarantined State was added;
- CCA Modes were extended to be more in-line with IEEE 802.15.4;
- clarifications on whitelist and blacklist management were added;
- clarifications on join (e.g. only require a single neighbor) were added;
- clarifications on use of join links, table management, and defaults were added;
- corrections and updates were made. The reader's attention is drawn to the fact that Annex M lists all of the "in-some-country" clauses on differing practices of a less permanent nature relating to the subject of this standard.