TR-Electronic CD_-582 Series, Safety Manual

Page: 8 / 29

General information
 TR-Electronic GmbH 2019, All Rights Reserved Printed in the Federal Republic of Germany
Page 8 of 29 TR - ECE - BA - GB - 0142 - 01 06/12/2019
1.2 Other Applicable Documents
● The responsible organization’s system-specific operating instructions
● This Safety Manual
● Pin assignment
● interface-specific User Manual
● Product data sheet
● optional: User Manual
1.3 Abbreviations and terms used
B10
d
Number of operations that a device will operate prior to 10 % of a sample
of those devices would fail to danger
CDx Absolute encoder with redundant dual scanning unit, all designs
EMC E lectro M agnetic C ompatibility
ESD E lectro S tatic D ischarge
Fault exclusion
Compromise between technical safety requirements and the theoretical
possibility that an error occurs
Functional safety
Part of the overall system safety, which depends on the correct
functioning of safety instrumented systems for risk reduction. Functional
safety is ensured when each safety function is executed as specified.
IEC International Electrotechnical Commission
ISO I nternational S tandard O rganisation
MTTF
d
M ean T ime T o F ailure, d angerous
n
op
Number of operations/cycles in one year
PL P erformance L evel according to EN ISO 13849-1
SIL
S afety I ntegrity L evel: Four discrete levels (SIL1 to SIL4). The higher the
SIL of a safety instrumented system, the lower the probability that the
system cannot execute the required safety functions.
Standard measuring-
system
Definition:
Safety instrumented measuring system, without explosion protection
VDE
V
erband
d
er
E
lektrotechnik, Elektronik und Informationstechnik
(Association for Electrical, Electronic and Information Technologies e.V.)