
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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