Safety engineering
Device modules
SM301 safety module
1
18
EDS94AYAE EN 6.0
Motor−encoder combinations
Drive systems with Servo Drives 9400 and safety module SM301 provide speed−dependent
safety functions for safe speed monitoring and/or safe relative−position monitoring.
Observe permissible motor−encoder combinations during configuration.
ƒ Possible speed−dependent safety functions with safety module SM301:
– Safe stop 1 (SS1)
– Safe operational stop (SOS)
– Safely limited speed (SLS)
– Safe maximum speed (SMS)
– Safe direction (SDI)
– Safe speed monitor (SSM)
– Safely limited increment (SLI)
ƒ Permissible motor−encoder combinations for these functions:
Synchronous
servo motors
Encoder
Safe speed monitoring with SM301
Type Product key
MCS 06 ... 19
MDXKS 56 / 71
Sin/cos absolute value, single−turn AS1024−8V−H
Single−encoder
concept
PL d / SIL 2
Sin/cos absolute value, multi−turn AM1024−8V−H
Resolver RS0
Two−encoder concept bis PL e / SIL 3
Asynchronous
servo motors
Encoder
Safe speed monitoring with SM301
Type Product key
MCA 10 ... 26
MQA 20 ... 26
Sin/cos incremental IG1024−5V−V
Single−encoder
concept
PL e / SIL 3
Resolver RS0 PL d / SIL 2
Two−encoder concept bis PL e / SIL 3
Three−phase
asynchronous
motors
Encoder
Safe speed monitoring with SM301
Type Product key
MDxMA063−xx ...
MDxMA225−xx
Sin/cos incremental
IG2048−5V−V
Single−encoder
concept
PL e / SIL 3
MHxMA080−xx ...
MHxMA225−xx
MFxMA063−xx ...
MFxMA132−xx
Two−encoder
concept
bis PL e / SIL 3
A "two−encoder concept" includes e.g. a resolver as motor encoder and, at the same time,
an absolute value encoder (sin/cos), an incremental encoder (TTL), or digital encoder
(SSI/bus) as position encoder on the machine.
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