SEW-Eurodrive MOVISAFE DCS21B

140
Manual – MOVIDRIVE® MDX61B Safety Module Option MOVISAFE® DCS..B
12
Diagnostic values
Appendix
Encoder combinations with resulting diagnostics coverage (DC) according to EN ISO 13849-1.
Encoder 1 Encoder 2 Remark Fault
exclusion
DC value
Single-
channel
sub-
system
Dual-chan-
nel sub-
system,
dynamic
Dual-channel
subsystem,
non-dynamic
(standstill moni-
toring)
Backplane
bus inc.
TTL incre-
mental
1-encoder
system (via
split cable)
Fault exclu-
sion mech.
shaft break-
age, positive
encoder shaft
connection
required
60% 99% 60 – 99%
Backplane
bus inc.
HTL incre-
mental
1-encoder
system (via
split cable)
Fault exclu-
sion mech.
shaft break-
age, positive
encoder shaft
connection
required
60% 99% 60 – 99%
Backplane
bus inc.
TTL incre-
mental
2-encoder
system
- - 99% 90 – 95%
Backplane
bus inc.
HTL incre-
mental
2-encoder
system
- - 99% 90 – 95%
Backplane
bus inc.
SIN/COS
1-encoder
system (via
split cable)
Fault exclu-
sion mech.
shaft break-
age, positive
encoder shaft
connection
required
90% 99% 90 – 95%
Backplane
bus inc.
SIN/COS
2-encoder
system
- - 99% 95 – 99%
SIN/COS SIN/COS
2-encoder
system
- - 99% 99%
Backplane
bus abs.
SSI - - - 99% 90 – 95%
TTL incre-
mental
SSI - - - 99% 90 – 95%
HTL incre-
mental
SSI - - - 99% 90 – 95%
SIN/COS SSI - - - 99% 95 – 99%
SSI SSI
2-encoder
system
- - 99% 80 – 95%
SIN/COS TTL incre-
mental
- - - 99% 95 – 99%
SIN/COS HTL incre-
mental
- - - 99% 95 – 99%
SIN/COS
Backplane
bus abs.
- - - 99% 95 – 99%
SSI
Backplane
bus abs.
2-encoder
system
- - 99% 80 – 95%