Lenze M Series - Page 35

7 Safety engineering
7 Safety engineering
Motor-encoder combinations
D rive system s w ith Servo Drives 9400 and sa fe ty m odule SM 301 provide speed-d ependen t
sa fe ty fu n c tio n s fo r safe speed m o n ito rin g a nd/o r safe re la tiv e -p o sitio n m o n ito rin g .
O bserve perm issib le m o to r-e n cod e r c om b ina tio ns d u rin g c o n fig ura tio n .
► Possible sp eed-d epe nden t sa fe ty fu n ctio n s w ith sa fe ty m o d ule SM 301:
- Safe stop 1 (SS1)
- Safe op era tion al sto p (SOS)
- S afe ly lim ite d speed (SLS)
-S a f e m a xim u m speed (SM S)
- Safe dire ctio n (SDI)
- Safe speed m o n ito r (SSM )
- S afe ly lim ite d in crem e nt (SLI)
► Perm issible m o to r-e nco de r c om b in a tio ns fo r th ese fu n ctio n s:
Synchronous Encoder Safe speed monitoring with SM301
servo motors
Type Product key
Sin/cos absolute value, single-turn AS1024-8V-K2
Single-encoder
concept
PL d / SIL 2
MCS 06 ... 19
Sin/cos absolute value, multi-turn AM1024-8V-K2
MDXKS 56 / 71
Resolver RV03 PL e / SIL 3
Two-encoder concept Up to PL e / SIL 3
Asynchronous Encoder Safe speed monitoring with SM301
servo motors
Type Product key
MCA 10 ... 26
MQA 20 ... 26
Sin/cos incremental IG1024-5V-V3
Single-encoder
PL e / SIL 3
Resolver RV03
concept
Two-encoder concept Up to PL e / SIL 3
A ’’tw o -e n co d e r con cep t” includes e.g. a reso lver as m o to r enco der and , at th e sam e tim e ,
an ab solute va lu e encod er (sin/cos), an in cre m en ta l en coder (TTL), or d ig ita l encoder
(SSI/bus) as p o sitio n e n coder on th e m ach ine.
In th e case o f th e ” 2-en coder c o nce pt”, th e a chievable risk m itig a tio n (PL/SIL) depends on
th e su ita b ility o f th e encoders used.
Note!
If fe edback system s fo r s afe ty fu n ctio n s are used, th e m a n ufa ctu re r's
d oc u m e n ta tio n m u st be observe d!
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Lenze
BA 33.0006 3.0