Ss1-T Triggered By Di; Ss1-T Triggered By Fieldbus - Danfoss VLT FC 280 Operating Manual

Operating Guide | VLT® Midi Drive FC 280

SS1-t Triggered by DI

6.3.2.2
To enable safe DI as SS1-t input, set parameter 42-20 Safety Function T37/T38 as [9] SS1-t. The following table shows SS1-t statuses based
on whether terminals 37 and 38 are energized.
Table 27: SS1-t via DI
Previous status
Timing
Timing
Timing
Timer expired
1) Voltage range is 24 V±15%, with terminal 39 as reference.
2) Open circuit or the voltage within the range of 0 V±1.5 V, with terminal 39 as reference.
3) When setting parameter 0-2* LCP Display=[4285].
4) Parameter 42-24 Restart Behavior=[0] Manual.
5) Parameter 42-24 Restart Behavior=[1] Automatic, and no SS1-t request on fieldbus (inactive command or disabled).

SS1-t Triggered by Fieldbus

6.3.2.3
To enable safety fieldbus protocol, set parameter 42-60 Telegram Selection to [1] PROFIsafe Std. Tel. 30. SS1-t control command is sent
from the upper device continuously and periodically. The command includes:
SS1-t inactive
l
SS1-t active
l
Table 28: SS1-t via Fieldbus
Previous status
Inactive
Timing
Timer expired
1) See the table in
6.5.2.6.2 PROFIsafe Control
2) When setting parameter 0-2* LCP Display=[4285].
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Terminal 37 Terminal 38
(1)
High High
(2)
High=>Low High=>Low
High=>Low High
High High=>Low
High High
Low X
X Low
X X
SS1-t command
Inactive
Inactive=>active
Active
Inactive
Active
Inactive
Word.
Status
Inactive
Timer start
Timer start
Timer start
(4)
Timing
Timer stop & reset
Timing
STO
Status
Inactive
Timer start
Timing
Timer stop & reset
STO
Inactive
AQ381425076031en-000201 / 130R1223 |
Safety Functions
LCP display
None
(3)
SS1-t
W252
W252
SS1-t
(5)
None
SS1-t
W68
LCP display
None
SS1-t
None
W68
None
65