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Manual PD4-C (USB)
9 Operating modes
Version: 1.4.1 / 22.07.2016 / FIR-v1626
50
The four jerk values are specified here if a jerk-limited ramp is set.
•
(Target Velocity):
Specifies the target speed to be attained.
•
h
(Peak Current):
Maximum current in mA
Objects in Profile Velocity Mode
Target velocity 60FFh
Quick stop deceleration 6085h
Profile acceleration 6083h
Motion profile type 6086h
Polarity 607Eh
Profile deceleration 6084h
Limit
function
Max deceleration 60C6h
Max acceleration 60C5h
Trajectory
generator
multiplier
Velocity demand
value 606Bh
Jerks 60A4h:1 to 60A4:4
Mode activation
After the mode was selected in object 6060
h
(Modes of Operation) and the "Power State machine" (see
"DS402 Power State machine") was switched to "Operation Enabled", the motor is accelerated to the
target speed in 60FF
(see the following diagrams). The speed, the acceleration and, in the case of
jerk-limited ramps, the jerk limited values are taken into account.
Limitations in the jerk-limited case
The following diagram shows the adjustable limitations in the jerk-limited case (6086
h
=3).
A
cce
le
ra
ti
o
n
Je
rk
S
p
e
e
d
Profile velocity (60FF
h
)
t
t
t
Max. acceleration (60C5
h
)
Begin acceleration
jerk (60A4
h:1)
End deceleration
jerk (60A4
h:4)
Max. deceleration (60C6
h
)
Profile acceleration (6083
h
)
Profile deceleration (6084
h
)
Velocity window (606D
h
)
Velocity window (606D
h
)
Begin deceleration
jerk (60A4
h:3)
End acceleration
jerk (60A4
h:2)
Limitations in trapezoid case
This diagram shows the adjustable limitations for the trapezoid case (6086
h
= 0).