Panasonic MINAS A6 Series - Page 236

4-34
Pr3.14
Sigmoid acceleration/ deceleration time
setup
Range Unit Default
Related
control mode
0 to 1000 ms 0 S
SetS-curvetimeforacceleration/decelerationprocesswhenthespeedcommandisapplied.
AccordingtoPr3.12AccelerationtimesetupandPr3.13Decelerationtimesetup,setup
sigmoidtimewithtimewidthcenteringtheinectionpointofacceleration/deceleration.
Speed
[r/min]
Target speed (Vc)
ts ts
ts
ts
ta td
Time
ta = Vc/1000 × Pr3.12 × 1 ms
td = Vc/1000 × Pr3.13 × 1 ms
ts = Pr3.14 × 1 ms
*
Use with the setup of
ta/2 > ts, td/2 > ts
Speed command after
acceleration/deceleration
process
Pr3.15
Speed zero-clamp function selection
Range Unit Default
Related
control mode
0 to 3 — 0 S T
You can set up the function of the speed zero clamp input.
Setup value Function of ZEROSPD (Pin-26)
[0] Invalid:Speedzero-clampinputisignored.
1
Speedcommandisforcedto0whenthespeedzeroclamp(ZEROSPD)inputsignal
isturnedON
*
1
.
2
Speedcommandisforcedto0whenthespeedzeroclamp(ZEROSPD)inputsignal
isturnedON
*
1
.AndwhentheactualmotorspeeddropstoPr3.16Speedzeroclamp
levelorbelow,thepositioncontrolisselectedandservolockisactivatedatthispoint.
Thefundamentaloperationsexceptforthisfunction(switchingtothepositioncontrol)
areidenticaltothosewhensetupvalueis1.
*
1 Thedefaultlogicisb-contact:thefunctionisenabledwhiletheterminalisopen(inputsignalis
ON).RefertoP.3-39Controlinput.
Pr3.16
Speed zero clamp level
Range Unit Default
Related
control mode
10 to 20000 r/min 30 S T
SelectthetimingatwhichthepositioncontrolisactivatedasthePr3.15Speedzero-clamp
function selection is set to 2.
1. Details of parameter
[Class 3] Velocity/ Torque/ Full-closed control
Note
Default:[]
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