Abbreviations - Siemens SINUMERIK 840 Planning Manual

08.89
8

Abbreviations

AP Automation Protocol
AP PDU Application Protocol Data Unit
AS512 Point-to-point connection for SIMATIC
ASCII American Standard Code of Information Interchange
CL Computer Link
CNC Computerized Numerical Control
COM Communication CPU
COMCLS Command Class
COMCOD Command Code
CP Communication Processor
CP231 SINEC H1 interface module for SINUMERIK (Ethernet)
CP315 Basic board of the point-to-point connection for SINUMERIK, active serial
interface module
CP373 Expansion board of the point-to-point connection for SINUMERIK,
3 additional interfaces
CRC Cyclic Redundancy Check
CSMA/CD Carrier Sense Multiple Access Collision Detect, Ethernet
DB Data block
DLE Data Link Escape
DNC Direct Numerical Control
DPR Dual port RAM
DS Directory services
DX Data block (extended area with PLC 135W)
ECMA European Computer Manufacturers Association
Electronic Industries Association
ENQ Enquiry
EOT End of transmission
ERRCLS Error Class
ERRCOD Error Code
ETX End of Text
EU interface
module Expansion unit interface module
File server Central data base
© Siemens AG 1989 All Rights Reserved
SINUMERIK 840/880 (PJ)
6FC5 197-0AB20-0BP0
8 Abbreviations
8–1