Mac-Process: Master; Mac-Process: Messenger - Bosch BIS 2.3 Installation Manual

116 en | MAC - Main Access Controller
11.5.1

MAC-Process: Master

Starts, stops and controls the run-time of all processes in the
process table and their subprocesses.
The MAC startup process consists of the following phases:
Phase 1
Phase 2
Phase 3
Phase 4
Phase R
The system communicates with its peripheral devices and
processes requests from them.
11.5.2

MAC-Process: Messenger

The Messenger is the system's information distributor. It
receives all messages from the MAC processes, database
changes and commands fromthe DMS. When the MAC starts up
all processes register with the Messenger to receive their
respective message types. The messenger distributes messages
to the individual processes based on these registrations.
F.01U.028.713 | V 2.3.0.1 | 2009.11
Initialization of all internal data.
Initialization of the host interface. The
database contents are checked. If found to
be incomplete they are requested and
downloaded from the host. The host is also
able to delete the MAC's data and reload
them.
The interfaces to the connected devices
and, depending on configuration, to the
partner-MAC are initialised. The MAC
determinces whether it is to run as master,
slave or single computer configuration.
A MAC in slave mode remains in this phase
until switched to master-mode.
Normal running phase for master and single
computer configurations
Installation manual
BIS 2.3 - Access Engine
Bosch Sicherheitssysteme GmbH