99
Operation Manual
b maXX safe PLC
BMC-M-SAF-02
Document no.: 5.07020.04
A
PPENDIX
A - A
BBREVIATIONS
CAN
Controller Area Network
CPU
Central Processing Unit
DC
Diagnostic Coverage
DRAM
Dynamic RAM
EMC
Electromagnetic compatibility
EN
European standard
ESD
Electrostatic sensitive device
EXT, ext
External
I/O
Input/Output
I/O bus
Bus between b maXX safe PLC
and the modules right of the PLC
and/or power supply
LED
Light-emitting diode
MTTF
d
Mean Time To Failure
NOVRAM
No
n-
v
olatile RAM
OPC
OLE for Process Control (OLE:
Object Linking and Embedding)
PFD
Probability of Failure on Demand
PFH
Probability of Failure per Hour
PLC
Process loop control, stored Pro-
gram Control, SPS
ProProg wt III
Tool for programming the b maXX
PLC (BMC-M-PLC-01/2, or
BMC-M-SAF-02)
RAM
Random Access Memory
RISC
Reduced Instruction Set Comput-
ers
SDRAM
Synchronized Dynamic RAM
SFF
Safe Failure Fraction (Fraction of
failures which lead to safe status)
SIL
Safety Integrity Level
SW
Software
Summary of Contents for b maXX BMC-M-SAF-02
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