4 terms and abbreviations used, Terms and abbreviations used, About this documentation – Lenze 8400 motec Manual User Manual

Page 10

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About this documentation

Terms and abbreviations used

1

l

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EDS84DG752 EN 4.0

1.4

Terms and abbreviations used

Term

Meaning

Device size

Used as generic term for a group of devices which have the same dimensions
(depth, height and width) but different power ratings.

Standard device

Used as generic term when actions and features are described which are very
similar or the same for different versions or device sizes, e.g.

l

mechanical installation or

l

power terminals

DU

Drive unit
8400 motec controller

CU

Communication unit
Optional interfaces per I/O, fieldbus, safety system

WU

Wiring unit
Ready−made motor connection, replaces the motor terminal box

Abbreviation

Meaning

24O

24 V voltage supply for non−safe monitoring

Cat.

Category according to EN 954−1 (valid until 30 November 2009)

DO

Non−safe feedback output

F−PLC

Safety PLC

GSDML

File containing device−specific data to establish PROFINET communication

GSE

File containing device−specific data to establish PROFIBUS communication

OFF state

Signal status of the safety sensors when they are activated or respond

ON state

Signal status of the safety sensors during normal operation

Opto supply

Optocoupler supply for controlling the drivers

OSSD

Output Signal Switching Device, tested signal output

PELV

Protective Extra Low Voltage

PL

Performance Level according to EN ISO 13849−1

PM

P/N switching signal paths

PP

P/P switching signal paths

PS

PROFIsafe

PWM

Pulse Width Modulation

S−Bus

Safety bus

SD−In

Safe input (Safe Digital Input)

SD−Out

Safe output (Safe Digital Output)

SELV

Safety Extra Low Voltage

SIA, SIB

Safe Input, channel A or B, respectively

SIL

Safety Integrity Level according to IEC 61508

SO

Integrated safety option

n. c.

Terminal not assigned

Abbreviation

Safety function

STO

Safe Torque Off

Former designation: safe standstill

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