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6 FUNCTIONAL SAFETY
6.4 Safety sub-function
6.4
Safety sub-function
Achievable safety level
The achievable safety level and available safety sub-functions depend on the device to be connected. Moreover, it is
necessary to set the parameters according to the device to be connected. The servo motors and parameter settings required
to achieve each functional safety level are given below.
Shut off/Monitoring function
■
Safety sub-function control by network
*1
: Indicates that this item is supported in this configuration.
: Indicates that this item is not supported in this configuration.
■
When using the safety sub-functions by wiring to the CN8 connector (safety sub-function
control by input device)
• For safety sub-function control by safety programmable controller and safety controller
*1 Set the I/O diagnosis pulses of the controller to disabled (Not used).
*2 Set the I/O diagnosis pulses of the controller to enabled (Used). The controller must be SIL 3 compliant.
*3
: Indicates that this item is supported in this configuration.
: Indicates that this item is not supported in this configuration.
Safety sub-function
Servo
motor
with
functional
safety
Operation mode
Parameter
setting
STO
function
SS1
function
SLT
function
SLS
function
SDI function
Deceleration
monitoring
function
SS2/
SOS
function
SLI
function
Stan
dard
Lin
ear
DD
Semi
closed
Fully
closed
Mitsubishi
Electric
serial
A/B/Z-
phase
Position/
Speed
monitor
setting
[Pr.
PSA02.1]
Category
3, PL d,
SIL 2
Category
3, PL d,
SIL 2
Not required
0
Category 3, PL
d, SIL 2
Not required
2
Category
4, PL e,
SIL 3
Category
3, PL d,
SIL 2
Not required
0
Category 3, PL
d, SIL 2
Not required
2
Category 4, PL
e, SIL 3
Category
4, PL e,
SIL 3
Required
1
Safety sub-function
Servo
motor
with
functional
safety
Operation mode
Parameter
setting
STO
function
SS1
function
SLT
function
SLS
function
SDI function
Deceleration
monitoring
function
SS2/
SOS
function
SLI
function
Stan
dard
Lin
ear
DD
Semi
closed
Fully
closed
Mitsubishi
Electric
serial
A/B/Z-
phase
Position/
Speed
monitor
setting
[Pr.
PSA02.1]
Category
3, PL d,
SIL 2
Category
3, PL d,
SIL 2
Not required
0
Not required
2
Category
4, PL e,
SIL 3
Category
3, PL d,
SIL 2
Not required
0
Not required
2
Category
4, PL e,
SIL 3
Required
1