List Of Abbreviations; A.1 List Of Abbreviations - Siemens SIMOCODE pro Manual

List of abbreviations

A.1 List of abbreviations
Table A- 1 Meaning of abbreviations
Abbreviation Meaning
ANSI American National Standards Institute
ATEX "Atmosphère explosible" according to ATEX Directive 94/9/EC
AWG American Wire Gauge
OPD Operator Panel with Display for SIMOCODE pro
CPU Central Processing Unit
DI Digital input
DIP Dual In-line Package
DM Digital Module
DM-F Fail-safe digital module (DM-FL or DM-FP)
DM-FL DM-F Local fail-safe digital module
DM-FP DM-F PROFIsafe fail-safe digital module
DO Digital output
DP Distributed I/O
EDD Electronic Device Description; for defining field device parameters, e.g., SIMATIC PDM
EEx European Norm EXplosion-proof: Defines the protection classes for motors used in hazardous areas.
Ex Explosion-proof
F-CPU Fail-safe CPU (controller)
F I/O Fail-safe I/O
GG Basic unit
GSD Device master data / device description file for PROFIBUS DP slaves
IT Isolation-Terre (isolation ground)
LCD Liquid Crystal Display
LED Light Emitting Diode
LSB Least Significant Bit
MCC Motor Control Center
MSB Most Significant Bit
OM Object Manager for PROFIBUS DP slaves for integration into STEP 7
OSSD Part of the electro-sensitive protective equipment (ESPE) that is connected to the machine control
system and that switches to the OFF state if the sensor part is tripped during operation for the
intended purpose.
PCS Process Control System
PDM Process Device Manager
PELV Protective Extra Low Voltage
PFD Probability of dangerous failure of a safety function on demand
SIMOCODE pro - Fail-Safe Digital Modules
Manual, 11/2017, NEB631679702000/RS-AA/002
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