2
(E)
RU97-2048 Z Series
1-5. Functional Safety
Th
is product is a functional safety rotary magnescale which is compliant with EN 61800-5-2:2007 /
IEC 61508:2010 / IEC 62061:2005 SC3 SIL 2 and EN ISO 13849-1:2008 Cat.3 PL d.
Behavior of the product when anomalies arise
:
Th
e product shift s to a safe state within 5 ms when
dangerous faults are detected.
Dangerous fault : An error position information which is over ±1.76 degrees
(
*
1)
.
Safe state : Th
e product shuts down position information communication with a
controller and shift s to a safe state.
(
*
1) : Th
e error position information described here is a threshold value which is considered as a dangerous
fault value in terms of functional safety and is not the accuracy of the product. As for the accuracy
of the product, see Section 9. “Specifications.”
Th
e product is maintenance-free and it is not necessary to replace the parts periodically.
Functional safety specifi cations
Mode of operation
Item
High demand / continuous mode
Probability of
dangerous failure
Operating temperature : +60°C
PFH = 81.0 × 10
-9
(1/h)
Operating temperature : +40°C
PFH = 32.0 × 10
-9
(1/h)
Operating temperature : +25°C
PFH = 16.0 × 10
-9
(1/h)
MTTFd
80.5 years (High)
DCavg
64.30% (Low)
Hardware fault tolerance
1
Product type
Type B
SIL
2
Normative references
Standard Applied
specifi cation
IEC 61508:2010
Functional safety
IEC 62061:2005
Functional safety
EN ISO 13849-1:2008
Functional safety
IEC 60664-1:2007
Clearances (between PWB (Printed wiring board) patterns)
specifi cation
EN 61800-5-2:2007
Requirements related to Table D.16 Motion and position
feedback sensors
IEC 62061:2005
Table D.1 Failure Mode
IEC 60068-2-1, IEC 60068-2-2,
IEC 60068-2-6, IEC 60068-2-14,
IEC 60068-2-27, IEC 60068-2-30,
IEC 60068-2-32
Environmental tests
IEC 61000-6-4:2006 +A1:2010
CISPR 16-1-1:2010, clause 4
CISPR 16-1-4:2010, clause 4.4 and 5
CISPR 16-2-3:2010, clause 7.2
Electromagnetic Emission tests
IEC61000-6-2:2005
IEC 61326-3-1:2008
IEC61000-4-3:2006 +A1:2007 +A2:2010
IEC 61000-4-4:2004 +A1:2010
IEC 61000-4-6:2008
Electromagnetic Susceptibility (Immunity) tests
For details about functional safety, contact our functional safety department.
45 Suzukawa, Isehara-shi, Kanagawa 259-1146, Japan
TEL: +81 (0)463 92 1011 FAX: +81 (0)463 92 1012
Summary of Contents for RU97-2048 Z Series
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