Preface
v
MP270 Equipment Manual
Release 01/99
Abbreviations
The abbreviations used in this equipment manual have the following meaning:
AG Automation unit
AM Alarm message
ANSI American National Standards Institute
AS 511 Protocol of the PU interface on the SIMATIC S5
ASCII American Standard Code for Information Interchange
BHB User’s guide
EM Event message
CCFL Cold Cathode Fluorescence Lamp
CF Compact Flash
CPU Central Processing Unit
DIL Dual-In-Line (housing design)
DRAM Dynamic Random Access Memory
EMC Elecromagnetic Compatibility
EPROM Electric Programable Read Only Memory
ESD Electrostatic Sensitive Device
GHB Equipment manual
HMI Human Machine Interface
IF Interface
JEIDA Japan Electronic Industry Development Association
LCD Liquid Crystal Display
LED Light Emitting Diode
MP Multi Panel
MPI Multipoint Interface (SIMATIC S7)
OP Operator Panel
PC Personal Computer
PCL Printer Control Language
PCMCIA Personal Computer Memory Card International Association
PLC Programmable Logic Control
PPI Point to Point Interface (SIMATIC S7)
PU Programming Unit
SRAM Static Random Access Memory
STN Super Twisted Nematic
TFT Thin Film Transistor
TTL Transistor-Transistor Logic
A list of all the special terms used with explanation is provided in the Glossary at
the end of this manual.
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