Siemens OP7 Equipment Manual page 7

SIMATIC Customer Online Services
SIMATIC Customer Support offers comprehensive additional information
concerning SIMATIC products through its Online services as follows:
Up–to–date general information is provided
Up–to–date product information and downloads for practical use can be found:
Abbreviations The abbreviations used in this equipment manual have the following mea-
nings:
AM
AS 511
ASCII
CPU
EEPROM
EM
FB
HMI
IF
LCD
LED
MPI
OP
PLC
PPI
PU
RAM
TD
TP
Equipment Manual OP7, OP17
Release 04/99
– in Internet under http://www.ad.siemens.de/simatic
– via Fax-Polling under 08765-93 02 77 95 00
– in Internet unter http://www.ad.siemens.de/support/
html–00/
– via the Bulletin Board System (BBS) in Nürnberg (SIMATIC Custo-
mer Support Mailbox) under +49 (911) 895–7100
In order to contact the mailbox, please use a modem with up to 28.8
kBaud (V.34) capacity. Set the parameters as follows: 8, N, 1, ANSI,
or dial for connection via ISDN (x.75, 64 kBit).
Alarm message
Protocol of the PU interface to the SIMATIC S5
American Standard Code für Information Interchange
Central Processing Unit
Electrically erasable programmable read-only memory
Event message
Function block
Human Machine Interface
Interface designation
Liquid-crystal display
Light-emitting diode
Multitpoint Interface
Operator Panel
Programmable Logic Controller
Point to Point Interface
Programming Unit (German abbreviation: PG)
Random access memory (working memory)
Text Display
Touch Panel
Preface
iii