Operation Procedures - Nakanishi E3200 Series Operation Manual

OPERATION PROCEDURES

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1. Select Control Mode (Manual/Auto)
(1) Using the control switch [ 16 ] you can select between Manual (Front Panel Control) or Auto
(External Signal Source) modes. External Signal Source can be used to control Motor
Start/Stop, Rotational Direction, Motor Speed, and etc.
(2) Manual Mode-Front Panel Operation.
Auto Mode-Control by External Signal Source.
[ 11 ]
[ 16 ]
[ 17 ]
2. Setting motor rotating direction, gear ratio (GEAR), Motor Start/Stop, Motor Speed
2-1 Setting Manual Mode
(1) Set motor rotating direction
Push the motor rotating direction switch [ 15 ] .
Select FWD. Right hand rotation
Select REV. Left hand rotation
(2) Set 500 min -1 centering rotation
), stop the motor and push Motor Speed Adjustment Switch [ 13 ] to
To select 0.5 (500 min -1
lower the motor speed. The Display Indicator will show 5 then 0.5. Never attempt to cut
while rotating in the centering mode.
(3) Setting Gear Ratio
Push Gear Mode Switch [ 17 ] . Check the spindle or gear reducer gear ratio, select the
correct gear ratio by pushing Motor Speed Adjustment Switch [ 13 ] .
Display Indicator [ 11 ] will show the selected gear ratio. 5 possible gear ratios can be
selected as the follows 1.0, 1.5, 2.7, 4.0, 16.
If you are not using the straight type speed reducer or an angle type spindle, you do not
need to set Gear Ratio Mode. (Use Gear Ratio 1.0)
When Gear Mode is active the dot after the second digit on the Display Indicator will flash.
(4) Motor Start/Stop
Push Start Switch [ 14 ] and START LED will illuminate.
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[ 13 ]
[ 15 ]
Fig. 31
(5) Setting Motor Speed
Set the speed by pushing the Motor Speed Adjustment Switch [ 13 ] .
• Motor Speed Range is 1,000-80,000 min
If the air pressure is too low the control unit will not operate.
• The motor speed is displayed in 1,000 min
• During Gear Mode operation the speed change rate of the Motor Speed Adjustment
Switch will change.
[ 11 ]
[ 17 ]
2-2 Setting Auto Mode
All the functions of the system can be controlled by input control signals to Input/Output
Connector A [ 3 ] (Except setting gear ratio)
(1) Set motor rotating direction
Input the motor rotating direction signal to Pin No. 2 : DIR_IN
Right hand rotation is OFF 'Open' ("FWD." LED will light)
Left hand rotation is ON 'Closed' ("REV." LED will light)
(2) Set 500 min -1 rotation
Input the centering rotation signal to Pin No. 16 : 500 min
500 min -1 LED will light
Never use 500 min -1 centering rotation for cutting
(3) Setting Gear Ratio
Push Gear Ratio Switch [ 17 ] . Check the spindle/reducer gear ratio, select the gear ratio by
pushing the Motor Speed Adjustment Switch [ 13 ] .
Display Indicator [ 11 ] will display the gear ratio as follows 1.0, 1.5, 2.7, 4.0, 16.
If you are not using the straight type speed reducer or an angle type spindle, you do not need
to set Gear Ratio Mode. (Use Gear Ratio 1.0)
(4) Motor Start/Stop
Input the motor start signal to Pin No. 14 : START
Motor rotating is ON 'Closed' (START LED will light)
Motor stopped is OFF 'Open' (START LED is Off)
(5) Setting Motor Speed
Input the motor speed signal to Pin No. 23 : VR
• Motor Speed Range is 1,000-80,000 min
If the air pressure is too low the control unit will not operate.
• The motor speed is displayed in 1,000 min
-1 .
-1 . 80 equals 80,000 min -1 .
[ 13 ]
[ 15 ]
[ 14 ]
Fig. 32
-1
-1
-1 . 80 equals 80,000 min -1
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