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About The AML/2 System

Page 4 - 2 Operator Guide 1097 DOC B00 001

4.2.1 AML/2 Management Unit (AMU)

The AMU is the central interface of the autmatic AML/2 system. In normal opera-

tion ("AUTO") the host computer controls the system.

The AMU consists of hard- and software.

Hardware

IBM PS/2

• operating system OS/2 with Extended Services

•interfaces to

- host computer

- robot control

- storage tower control

- I/O unit

Software

The software consists of seven individual processes running in parallel (multi-tas-

king). Each process accomplishes a specific task.

• HOC (HOst Communication)

Communication wiht

- host computers

- control ofand the storage towers

• ARC (ARChive) management of the archive catalogue; SQL data base

• KRN (KeRNel) central logic, converts host commands into control commands

• CON (ABBA Operator CONsole) operator console

• ART (AleRTer) writes logs und traces

• RFM (Rho File Manager) transfers files (control software) between the AMU

and the rho control

• ARCBACK (ARChiv-BACKup) saves, protocols (journaling) and restores the

archive catalogue (database)

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