Справочник Пользователя для Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G
551
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
20 Positioning Control – FNC150 to FNC159
20.4 FNC155 – ABS / Absolute Current Value Read
11
FN
C
C
30
-FN
C
C
39
R
otati
on and
on and
Shi
ft
ft
12
FNC4
0-F
0-F
NC4
9
D
ata O
per
ati
per
ati
on
13
FN
C
C
50-FN
C
59
H
igh S
pe
ed
P
rocessing
14
FM
C
C
60-FN
C
69
H
andy
In
st
ru
ct
ion
15
FNC7
0-F
0-F
NC7
9
Ex
ter
nal FX
I/O
D
evice
16
FN
C
C
80-FN
C
89
Ext
ernal
FX
ernal
FX
De
vic
vic
e
17
FN
C
100-
FN
FN
C
10
9
Da
ta
Transf
er 2
er 2
18
FN
C
110-
FN
FN
C
139
Floati
ng Poi
nt
19
FN
C
14
0-F
N
C
149
Da
ta
O
per
at
at
ion 2
20
FN
C
150-
FN
FN
C
159
Posit
ioning
C
ont
ro
ro
l
20.4
FNC155 – ABS / Absolute Current Value Read
Outline
This instruction reads the absolute position (ABS) data when the Mitsubishi servo amplifier (equipped with the
absolute position detection function) MR-H, MR-J2(S), or MR-J3 is connected. The data is converted into a pulse
when being read.
absolute position detection function) MR-H, MR-J2(S), or MR-J3 is connected. The data is converted into a pulse
when being read.
→ For explanation of the instruction, refer to the Positioning Control Edition.
1. Instruction format
2. Set data
3. Applicable devices
S1: Specify a transistor output.
S2: "D .b" is available only in FX
S2: "D .b" is available only in FX
3U
and FX
3UC
PLCs. However, index modifiers (V and Z) are not available.
S3: This function is supported only in FX
3U
/FX
3UC
PLCs.
Explanation of function and operation
Operand type
Description
Data type
Head device number inputting absolute (ABS) data output signal sent from servo amplifier
Three points are occupied from
.
Bit
Head device number outputting absolute (ABS) data control signal to servo amplifier
Three points are occupied from
.
Device number storing absolute (ABS) data (32-bit value)
32-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3 3 3
3
S2
3
S
1
3
3
S2
3
3
3
3
3 3 3 3
S3
3 3
3
FNC 155
ABS
D
DABS
32-bit Instruction
13 steps
Mnemonic
Operation Condition
Continuous
Operation
−
16-bit Instruction
Mnemonic
Operation Condition
S
S
D
1
D
1
D
2
S
D
1
D
2
Command
input
FNC155
DABS
S
D
1
D
2