80
SI-Safety Installation & Operating Manual
Issue Number: 1
10
Encoder types
Table 10-1 Encoder types
* Speed and/or acceleration monitoring only.
** SIL2 for absolute position processing functions, SIL3 for speed and incremental position monitoring.
Type
Encoder A
Encoder B
Permitted
Function
Blocks
Comment
SIL
Type
Count
multiplie
Enable
direction
Type
Count
multiplier
Enable
direction
Fault exclusion /
comment
1
Incremental
4
Yes
Not connected
4
No
SS1, SS2,
SLS, SOS,
SDI, SLI,
SCA*
Fault exclusion,
mech. shaft failure,
positive sensor shaft
connection essential
2
2
SINCOS
4
Yes
Not connected
4
No
SS1, SS2,
SLS, SOS,
SDI, SLI,
SCA*
Fault exclusion,
mech. shaft failure,
positive sensor shaft
connection essential
2
3
Incremental
4
Yes
Incremental
4
Yes
SS1, SS2,
SLS, SOS,
SDI, SLI
SCA*
3
4
SINCOS
4
Yes
Incremental
4
Yes
SS1, SS2,
SLS, SOS,
SDI, SLI,
SCA*
3
5
SINCOS
4
Yes
SINCOS
4
Yes
SS1, SS2,
SLS, SOS,
SDI, SLI,
SCA*
3
6
Incremental
4
Yes
SSI
(Synchronous
Serial
Interface)
1
Yes
SS1, SS2,
SLS, SOS,
SDI, SLI,
SLP, SCA
2/3**
7
SINCOS
4
Yes
SSI
(Synchronous
Serial
Interface)
1
Yes
SS1, SS2,
SLS, SOS,
SDI, SLI,
SLP, SCA
2/3**
8
SSI
(Synchronous
Serial
Interface)l
1
Yes
SSI
(Synchronous
Serial
Interface)
1
Yes
SS1, SS2,
SLS, SOS,
SDI, SLI,
SLPR,
SCA*
3
9
Incremental
4
Yes
Proxi
N/A
N/A
SS1, SS2,
SLS, SOS,
SDI, SLI,
SLPR,
SCA*
3
10
SINCOS
4
Yes
Proxi
N/A
N/A
SS1, SS2,
SLS, SOS,
SDI, SLI,
SLPR,
SCA*
3
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