Danfoss VLT Safety Option MCB 150 User Manual

Group Group
name
Parameter Value range/
available op-
tions
Default Description Con-
ver-
sion
index
Data
type
42-4* SS1 42-40 Type [0] Delay [0] Delay The type of the SS1 Safety Function. – u_int8
[1] Ramp
(slope)
[2] Ramp (time)
42-41
Ramp Pro-
file
[0] Linear [0] Safe Op-
tion Linear
The ramp profile for an SS1 Delay can
be either specified as linear or S-ramp.
– u_int8
[2] S-ramp
Const Time
42-42 De-
lay Time
0.1–3600.0 s 1.0 s Time until STO is activated -1 u_int16
42-43 Delta
T
0–99% 2% Δ T subtracts from the time in parame-
ter 42-42 Delay Time to get motor to
stop before the timer expires.
0 u_int8
42-44 De-
celeration
Rate
1–30000 RPM/s 1500 RPM/s Deceleration rate for the SS1 slope-
based ramp type.
0 u_int16
42-45 Delta
V
1–10000 RPM 120 RPM Tolerance between calculated and ac-
tual speed that the safety option al-
lows.
67 u_int16
42-46 Zero
Speed
1–600 RPM 10 RPM When this speed is reached, the safety
option activates the STO.
67 u_int16
42-47
Ramp Time
0.1–3600.0 s 1.0 s Time to ramp down to 0 RPM -1 u_int16
42-48 S-
ramp Ratio
at Decel.
Start
1 to (100 -
42-49 S-ramp
Ratio at Decel.
End)%
50% The proportion of the total ramp-down
time (parameter 42-42 Delay Time)
where the deceleration torque increa-
ses. The larger the percentage value,
the greater the jerk compensation ach-
ieved, and thus the lower the torque
jerks in the application.
0 u_int8
42-49 S-
ramp Ratio
at Decel.
End
1 to (100 -
42-48)%
50% The proportion of the total ramp-down
time (parameter 42-42 Delay Time)
where the deceleration torque decrea-
ses. The larger the percentage value,
the greater the jerk compensation ach-
ieved, and thus the lower the torque
jerks in the application.
0 u_int8
General Parameter Set-up
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292 | 65
Danfoss A/S © 2018.09

Danfoss VLT Safety Option MCB 150 Specifications

General

Brand	Danfoss
Model	VLT Safety Option MCB 150
Category	Control Unit
Language	English