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6 POSITIONING CONTROL
6.2 1 Axis Linear Positioning Control
Positioning control from the current stop position to the fixed position for specified axis
is executed.
Positioning is controlled using ABS-1 (Absolute data method) or INC-1 (Incremental
data method) servo instructions.
Items are set in peripheral devices
Common Arc Parameter block Others
Servo
instruction
Positioning
method
Number of
control axes
Parameter block No.
Axis
Address/travel value
Command s
p
eed
Dwell time
M-code
Tor
q
ue limit value
Auxiliar
y
p
oint
Radius
Central
p
oint
Control unit
S
p
eed limit value
Acceleration time
Deceleration time
Ra
p
id Sto
p
deceleration time
Tor
q
ue limit value
Deceleration
p
rocessin
g
on sto
p
in
p
ut
Allowable error ran
g
e for circular inter
p
olation
S-curve ratio
Cancel
WAIT-ON/OFF
Speed change
ABS-1
Absolute
INC-1
Incremental
1
Valid
: Must be set
: Set if required
[Control details]
Control using ABS-1 (Absolute data method)
(1) Positioning control from the current stop address (pre-positioning address) based
on the home position to the specified address is executed.
(2) The travel direction is set by the current stop address and the specified address.
When the current stop address is 1000, and the specified address is 8000.
Current stop address
10000
Home position
Positioning control
Specified address
8000
Fig.6.1 Positioning using absolute data method
Example