E08800 - SEMI E88 - Specification for AMHS Storage SEM (Stocker SEM)

Volume(s): Equipment Automation Software
Language: English
Type: Single Standards Download (.pdf)

This Standard was technically approved by the Information & Control Global Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on August 18, 2017. Available at www.semiviews.org and www.semi.org in March 2018; originally published September 1999; previously published June 2012.

This Standard establishes a Specific Equipment Model (SEM) for AMHS storage equipment (Stocker SEM). The model consists of equipment characteristics and behaviors that are to be implemented in addition to the SEMI E30 fundamental requirements and selected additional capabilities. The intent of this Standard is to facilitate the integration of Stocker SEM equipment into an automated (e.g., semiconductor fabrication and flat panel display) factory. This Document accomplishes this by defining an operational model for Stocker SEM equipment as viewed by a factory automation controller (Host). This definition provides a standard host interface and equipment operational behavior (e.g., control, state models, and data reports). Several topics require additional activity that are within the scope of this Standard: queuing, parallel interface for carrier transfer [SEMI E23], stocker controller architecture, and scheduling and transport of the transfer unit.

The scope of this Standard is limited to the usage and description of AMHS storage equipment (Stockers) as perceived by a SEMI Equipment Communications Standard 2 (SECS-II) host that complies with the GEM model (as specified in § 13). It defines the view of the equipment through the SECS communication link. It does not define the internal operation of the equipment. It includes a specific transfer command state model and stocker controller state model as the basis for all equipment of this class.

This Document assumes that the GEM fundamental requirements and selected additional capabilities (as specified in § 13) have been implemented on the Stocker SEM equipment. It expands the GEM standard requirements and capabilities in the areas of state models (stocker controller, transfer command, carrier and stocker crane state models), collection events, alarm documentation, remote commands, data item variables, and material movement.

Referenced SEMI Standards

SEMI E4 — SEMI Equipment Communications Standard 1 Message Transfer (SECS-I)
SEMI E5 — Specification for SEMI Equipment Communications Standard 2 Message Content (SECS-II)
SEMI E23 — Specification for Cassette Transfer Parallel I/O Interface
SEMI E30 — Specification for the Generic Model for Communications and Control of Manufacturing Equipment (GEM)
SEMI E37 — High-Speed SECS Message Services (HSMS) Generic Services
SEMI E37.1 — High-Speed SECS Message Services Single Selected-Session Mode (HSMS-SS)
SEMI E84 — Specification for Enhanced Carrier Handoff Parallel I/O Interface

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