Nakanishi E3000 Operation Manual page 40

Ultra-precision, high-speed spindle system
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Setting Maximum Motor Speed
・ Maximum Motor Speed can be set.
・ Allows a safe maximum rotational speed limit depending on the application.
・ The Maximum Motor Speed can set by Control Mode MANUAL or AUTO.
Table. 13
Parameter
Selection of External Speed Control Mode
・ When Control Mode is in AUTO, it is possible select the External Speed Control Mode from Analog Signal
, Pulse Signal
U 1 - U 4 .
Table. 14
Parameter
・ When setting by Analog Signal
(Pin No. 23 : VR) ".
・ When setting via the Pulse Signal
Setting Motor Speed (Pin No. 3 : CNT_IN) " and External Input / Output Signal " UP / DOWN Signal for
Setting Motor Speed (Pin No. 15 : UD_IN) ". The motor speed change per pulse is 1000 min
External Input / Output Signal " UP / DOWN Signal for Setting Motor Speed (Pin No. 15 : UD_IN) " is as
follows :
OFF (Open) : Rotation speed decreases
ON (Closed) : Rotation speed increases
・ When setting by Speed Point Signal
" Speed Point Select 0 (Pin No. 17 : SEL 0 ) " and " Speed Point Select 1 (Pin No. 5 : SEL 1 ) ".
Table. 15
Speed Point
U 1
U 2
U 3
U 4
・ Can setting the different rotation speed in
Speed ranges from 1 , 000 - 80 , 000 min
Setting of Maximum Motor Speed is enabled.
Setting of Maximum Motor Speed is not enabled.
,or Speed Point Signal Parameter
Set speed by Analog Signal.
Set speed by Pulse Signal.
Set speed by Speed Point Signal.
, use the External Input / Output Signal " Motor Speed Control Voltage
, use the External Input / Output Signal " Count Pulse Signal for
, select the Speed Point (U 1 - U 4 ) by using the combination of
SEL 1 (Pin No. 5 )
OFF (Open)
OFF (Open)
ON (Closed)
ON (Closed)
4
Speed (U1 - U4).
- 1
(rpm) can be set.
Set Contents
. Speed preset in the control according to
Set Contents
SEL 0 (Pin No. 17 )
OFF (Open)
ON (Closed)
OFF (Open)
ON (Closed)
- 1
(rpm).
85

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