Atlas Copco PowerMACS 4000, User Manual

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System Architecture
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Item Function Use
Ethernet Ethernet interfaces For communication with other TCs. In System TC:s the
second Ethernet interface is used for communication
with the Consol Computer (ToolsTalk PowerMACS),
100 MBits
CPU Central Processing Unit PowerPC 880, 120 MHz
RAM Random Access Memory For storage of program and data when executing, 32
MB
Flash-PROM Programmable Read Only
Memory of Flash type For storage of boot and application software.
SRAM Static RAM with battery
backup For storage of set-ups, traces, cycle data etc.
2 MB
ST bus St bus (2 ch) ST bus 1 is for communication with the drive and the
spindle, located in the tool connector. ST bus 2 is for
communication with ST based accessories.
Emerg. stop Emergency Stop Class 3 Emergency Stop, breaks the gate drive
voltage.
Local DI Digital input Opto Isolated Digital Input
Local DO Digital Output Relay Outputs
Serial Serial interface Interface to serial devices, 3 channels RS232, 1
channel RS422, 2 channels RS485
MACS I/O CAN bus interface Opto Isolated interface to MACS I/O and other
accesories
AnyBus FieldBus interfaces Interface to superior devices
Battery RAM-backup Expected life length >10 years
RTC Real Time Clock Battery backed Real Time Clock