Fnc159 - Drva / Drive To Absolute - Mitsubishi Electric FX3G SERIES Programming Manual
Programmable controllers
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Also See for FX3G SERIES:
- User manual (532 pages) ,
- Hardware manual (8 pages) ,
- Quick start manual (2 pages)
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FX
/FX
/FX
Series Programmable Controllers
3G
3U
3UC
Programming Manual - Basic & Applied Instruction Edition
20.8
FNC159 – DRVA / Drive to Absolute
Outline
This instruction executes one-speed positioning by absolute drive. The movement distance from the zero point can be
specified.
1. Instruction format
FNC 159
D
DRVA
2. Set data
Operand type
S
1
S
2
D
1
D
2
Setting range: −32768 to +32767 for 16-bit operation
*1.
*2.
Setting range: 10 to 32767 Hz for 16-bit operation
3. Applicable devices
Bit Devices
Oper-
and
System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S
1
S
2
D
1
1
D
2
2
1 : Specify Y000, Y001 or Y002
high-speed output special adapter
*1.
Y002 is not available in 14-point and 24-point type FX
*2.
High-speed output special adapters can be connected only to FX
*3.
To use Y002 or Y003 with a high-speed output special adapter, connected a second high-speed output
special adapter.
Points
• When using a relay output type or triac output type FX
required.
• Outputs of special high-speed output adapters work as differential line drivers.
→ For explanation of the instruction, refer to the Positioning Control Edition manual.
Mnemonic
16-bit Instruction
9 steps
DRVA
Number of output pulses (absolute address)
*2
Output pulse frequency
Device number (Y) from which pulses are to be output
Device number to which rotation direction signal is output
−999,999 to +999,999 for 32-bit operation
Following range for 32-bit operation
Pulse output destination
FX
PLC
3U
FX
/FX
/FX
PLC
3G
3U
3UC
Digit Specification
3
*1
transistor output from main unit, or specify Y000, Y001, Y002
*2
.
20 Positioning Control – FNC150 to FNC159
20.8 FNC159 – DRVA / Drive to Absolute
→ For cautions on using special high-speed output adapters,
refer to the Positioning Control Edition manual.
Operation Condition
32-bit Instruction
Continuous
17 steps
Operation
Description
*1
Special high-speed output adapter
Main unit (transistor output)
Word Devices
Special
System User
Unit
V
Z Modify K H
4
4
PLC.
3G
3U
PLC, a special high-speed output adapter is
3U
Mnemonic
Operation Condition
Continuous
DDRVA
Operation
Data type
16- or 32-bit binary
Bit
Setting range
10 to 200,000 (Hz)
10 to 100,000 (Hz)
Others
Con-
Real
Charac-
Index
stant
Number
ter String
E
" "
*3
or Y003
PLC.
11
12
13
14
15
16
Pointer
17
P
18
*3
from a
19
20
561
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