Operating instructions

04/08 Application manual Positioning 47
4.4.1.4 Motion mode "velocity"
Parameter
Motion Mode 1208 = "4 – velocity":
The drive is accelerated to
Speed 1203 at the motion profile set in the motion block.
Settings for
Target Position / Distance 1202 will not be evaluated. The motion block
remains active until another motion block is selected. Jumping to motion blocks with
other motion modes, e.g. "absolute" or "relative" is possible.
Motion block selection
The motion blocks can be selected via:
−
Delay 1212
−
Delay: Next motion block 1213
− Event 1 1214
−
Event 1: Next Motion Block 1215
− Event 2 1216
−
Event 2: Next Motion Block 1217
− Interrupt-Event 1 1260
−
Int.-Event 1: Next Motion Block 1262
− Interrupt-Event 2 1263
−
Int.-Event 2: Next Motion Block 1265
Example: Motion block sequence in motion mode "velocity"
Motion blocks Index 3 Index 4 Index 5
Motion Mode 1208
4 - velocity 4 - velocity 4 - velocity
a31
t
v
v3
v4
v5
Motion block
a42
a51
t
Motion block 3
Motion block 4
M
o
ti
o
n
b
l
oc
k
se
l
ec
ti
o
n
Motion block 5
v3: Speed 1203 from motion block 3,
a31:
Acceleration 1204 from motion block 3
v4: Speed 1203 from motion block 4,
a42:
Delay 1205 from motion block 4
v5: Speed 1203 from motion block 5,
a51:
Acceleration 1204 from motion block 5
If the value of Speed 1203 is reached, this can be signalized. For one of the pa-
rameters
Digital Signal 1 1218, Digital Signal 2 1119, Digital Signal 3 1247 or
Digital Signal 4 1248 an operation mode with „Ref.reached: on“ must be selected.
See chapter 4.4.6.
Application manual Positioning 4704/08