Preface
v
TP 170A Equipment Manual
Release 12/99
Abbreviations
The abbreviations used in this equipment manual have the following meaning:
AG (PLC) Programmable Logic Controller
ANSI American National Standards Institute
AS 511 Protocol of the PU interface to SIMATIC S5
ASCII American Standard Code for Information Interchange
CCFL Cold Cathode Fluorescence Lamp
CF Compact Flash
CPU Central Processing Unit
DIL Dual-In-Line
DP Decentralized Periphery
EM Event Message
EMC Electromagnetic Compatibility
EPROM Electric Programmable Read Only Memory
ESD Electrostatic Sensitive Device
HMI Human Machine Interface
IF Interface
LCD Liquid Crystal Display
LED Light Emitting Diode
MPI Multipoint Interface (SIMATIC S7)
OP Operator Panel
PC Personal Computer
PLC Programmable Logic Control
PPI Point to Point Interface (SIMATIC S7)
PU Programming Unit
RISC Reduced Instruction Set Computing
SRAM Static Random Access Memory
STN Super Twisted Nematic
TP Touch Panel
TTL Transistor–Transistor Logic
A list of all the specialist terms together with their explanations is provided in the
Glossary at the end of this manual.
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