Bosch rexroth ctrlX SAFETY SafeMotion - Page 167

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ctrlX SAFETY "SafeMotion"
First use
Bosch Rexroth AG
R911404905,
Edition 02
Table 31: Safety characteristics of encoder/brake of the "MS2N" motor series
MS2N Comment
Motor type code MS2Nxx-xxxxx-EE
1)
xxB
2)
-xxxxx-xx
"Don't care" positions in the motor
type code are identified by "x"
but are irrelevant for the require-
ments of integrated safety tech-
nology according to IEC61508
1)
: "EE" is a placeholder for the type
code position at which the encoder
type is encrypted
2)
: "B" is a placeholder for the type
code position at which the brake
type is encrypted
encoder type CS
3)
, CM
3)
DS
3)
, DM
3)
HS
3)
, HM
3)
Encoder type encrypted in type code
3)
: ACUROⓇlink encoder with an
encoder resolution for the safe posi-
tion of 9 bits
PFH
Encoder
1.5 × 10
-9
1/h
(at a DC of 95%)
1.5 × 10
-9
1/h
(at a DC of
95%)
9.62 × 10
-10
1/h
(at a DC of
95.98%)
Value corresponds to PFH
d
: Proba-
bility of dangerous failures
SIL
Encoder
SIL 2 SIL 3 In conjunction with the ctrlX DRIVE
system, the encoders installed in
the motors are suitable for encoder-
dependent safety functions in appli-
cations up to the specified Perform-
ance Level (PL)/Safety Integrity Level
(SIL)
PL
Encoder
Category 3, PL d Category 3, PL e
Mission
Time
Encoder
175,200 h (20 years)
Brake type 0, 1, 2, 3 Brake type encrypted in type code
λ
Brake
40 × 10
-9
1/h
Probability of all failures of the
brake, not only the number of dan-
gerous failures
B
10d
value
MS2N03, MS2N04, MS2N05, MS2N06, MS2N07, MS2N10B:
20,000,000 switching cycles
MS2N10C, MS2N10D, MS2N10E, MS2N10F:
5,000,000 switching cycles
“SafeMotion”-
compliant
Only with SI label SI label to be found on the type plate
Table 32: Safety characteristics of encoder/brake of the "MS2E" motor series
MS2E Comment
Motor type code
MS2Exx-xxxxx-EE
1)
xxB
2)
-xxxxx-xx
"Don't care" positions in the motor type code are identified by
"x" but are irrelevant for the requirements of integrated safety
technology according to IEC61508
1)
: "EE" is a placeholder for the type code position at which the
encoder type is encrypted
2)
: "B" is a placeholder for the type code position at which the
brake type is encrypted
encoder type CS
3)
, CM
3)
Encoder type encrypted in type code
3)
: ACUROⓇlink encoder with an encoder resolution for the safe
position of 9 bits
Commissioning