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3.12.1 Functions of Special Registers for Manual Mode Settings
X axis
Y axis
HW
LW
HW
D1816
See the tables below for the explanations of b0 ~ b15.
b0 and b1 of D1816 (D1896, D1976, D2056): setting of unit
b1
b0
Unit
0
0
Motor
0
1
Machine
1
0
Combined
1
1
Motor Unit
pulse
Position
pulse
pulse
Speed
Position data: zero point position (HP), target position (I) (P(I)), target position (II) (P(II), current position (CP).
Speed data: maximum speed (V
deceleration speed (V
Example 1:
b[1:0] = 00: Motor unit
Assume: target position P(I): 10,000 (pulse); operation speed V(I): 10K (PPS)
Explanation: When the positioning controller sends out 10,000 pulses (frequency at 10K PPS), the target
position can be achieved. The displacement moved by every pulse is calculated by users according to the
parameter of connected devices.
Example 2:
b[1:0] = 01: Machine unit
Assume: D1818 (D1898/D1978) = 1,000 (Pulse/REV), D1820 (D1900/D1980) = 100 (um/REV), target position
P(I) = 10,000 (um), and operation speed V(I) = 6 (cm/min). Solve the number of pulses and the frequency
required by pulse instruction of the positioning controller.
Solution:
1.
Total
Distance
A: Pulses per revolution (PPR) of motor; B: Displacement per relolution (DPR) of motor
DVP-PM Application Manual
3
Z axis
LW
HW
LW
D1896
D1976
Explanation
Unit: pulse
Unit: length, angle
Unit for position: length, angle (machine)
Unit for speed: pulse (motor)
Combined unit
um
m deg
10-4inch
pulse/sec
pulse/sec
pulse/sec
), bias speed (V
MAX
), operation speed (I) (V(I)), operation speed (II) (V(II)).
CR
unit of position: pulse; unit of speed: pulse/sec (PPS)
unit of position: um; unit of speed: cm/min
Distance
=
×
P(I)
Revolution
Number
1
42
43
1
4
B
Functions of Devices in DVP-PM
A axis
HW
LW
D2056
Machine Unit
cm/min
10deg/min
inch/min
), JOG speed (V
BIAS
JOG
Revolution
×
Total
number
of
pulses
4
4
2
4
4
4
3
1
A
Parameter Setting
), zero return speed (V
RT
of
pulses
), zero return
3-59
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