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20 Applied Instructions (Positioning Control)
20.4 DABS / Absolute Current Value Read
525
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
11
Applied Instructions
(Data Operation)
12
Applied Instructions
(High Speed
Processing)
13
Applied Instructions
(Handy
Instruction)
14
Applied Instructions
(External FX I/O
Device)
15
Applied Instructions
(External Device
(optional device))
16
Applied Instructions
(External Device)
17
Applied Instructions
(Data Transfer 2)
18
Applied Instructions
(Floating Point)
19
Applied Instructions
(Data Operation 2)
20
Applied Instructions
(Positioning
Control)
20.4 DABS / Absolute Current Value Read
Outline
This instruction connects with our company's MR-J4A, MR-J3A, MR-J2(S)A, or MR-HA type servo
amplifier (with absolute position detecting function), and reads out the absolute position (ABS) data. The data
is read out in pulse converted value.
→ As for explanation of the instruction, see the positioning control manual.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
Function and operation explanation
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
DABS 32 bits Continuous DABS(EN,s,d1,d2);
Variable Description Data type
Input
variable
EN Execution condition Bit
Head device for entering the output signal for absolute value (ABS) data
from the servo amplifier (3 points occupied).
Bit
Output
variable
ENO Execution state Bit
Head device for issuing the control signal for absolute value (ABS) data to
the servo amplifier (3 points occupied).
Bit
Storing destination device of absolute value (ABS) data (32-bit value) ANY32
Operand
type
Bit Devices Word Devices Others
System user Digit designation
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
V Z Modifier K H E
"
"
P
zzz z
S2
z
S1
zz
S2
z
zzzzzz
S3 S4
zz
DABS
EN
s
ENO
d1
d2
DABS
EN
s
ENO
d1
d2
Storing destination device of absolute value (ABS)
data
Head device for entering the output signal
for absolute value (ABS) data from the
servo amplifier
Command
input
Head device for issuing the control signal for absolute
value (ABS) data to the servo amplifier