BBH SMX 12-2 - 1.3 Abbreviations used

Installation manual
HB-37350-810-01-51F-EN SMX Installation manual.docx Page 11 of 234
Version: 50F
1.3 Abbreviations used
Abbreviation
Meaning
AC
Alternating voltage
AWL
Instruction list
ELIA
Employer's liability insurance association
CLK
Clock (cycle)
CPU
Central Processing Unit
DC
Direct voltage
I1..I14
Digital Input
DIN
Deutsches Institut für Normung (German Institut for Standardization)
DO
Digital Output
EMU
Emergency Monitoring Unit
EMC
Electromagnetic compatibility
ELC
Emergency Limit Control
EN
European Standard
HISIDE
Output with 24VDC nominal level switching to plus
IP20
Protection type for housing
ISO
International Organisation for Standardisation
LED
Light Emitting Diode
LOSIDE
Output switching to reference potential
OLC
Operational Limit Control
PIA
Process image of outputs
PII
Process image of inputs
PESSRAL
Programmable electronic system in safety related applications for elevators
T1,T2
Pulse-/ Cycle outputs
PLC
Programmable Logic Controller
POR
Power on Reset
PSC
Position Supervision Control
SELV
Safety Extra Low Voltage
SSI
Synchronous Serial Interface
VDE
Verband der Elektrotechnik, Elektronik und Informationstechnik e. V.
(association for electrical engineering, electronics and information
technology)
SDDC
Safe Device-Device Communication
SMMC
Safe Master-Master Communication
SSI
Synchronous Serial Interface
T1, T2
Test pulse Output (test pulse output)