Mitsubishi Electric FX3U SERIES - 10. Variable Speed Operation; (Variable Speed Pulse Output) - PLSV Instruction; Instruction Format

FX 3S /FX 3G /FX 3GC /FX 3U /FX 3UC PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
10 Variable Speed Operation (Variable Speed Pulse Output) - PLSV Instruction
10.1 Instruction Format
B - 143
A
Common Items
B
Built-in Positioning Functions
Apx.
Example Connection
10. Variable Speed Operation
(Variable Speed Pulse Output) - PLSV Instruction
The built-in positioning function uses the variable speed pulse output (PLSV) instruction equipped with the
rotation direction designation function to perform variable speed operation. If an FX
3UC PLC Ver. 2.20 or later
and FX
3S/FX3G/FX3GC/FX3U PLC is used, this instruction can change the speed using the acceleration/
deceleration speed.
10.1 Instruction Format
1. Instruction Format
2. Data setting
*1. Setting range : -32,768 to -1 Hz, +1 to 32,767 Hz
*2
for 16-bit operation.
For the 32-bit operation, however, the setting range should be as shown in the
following table.
*2. In the case of operation without Acceleration/Deceleration (M8338 = OFF), setting range of FX
3S/
FX
3G/FX3GC PLC is -32,768 to -10 Hz, +10 to 32,767 Hz.
*3. In the case of operation without Acceleration/Deceleration (M8338 = OFF), setting range of FX
3S/
FX
3G/FX3GC PLC is -100,000 to -10 Hz, +10 to 100,000 Hz.
3. Devices
1 : Specify Y000, Y001, or Y002
*4
transistor output from the main unit, or specify Y000, Y001, Y002
*6
, or
Y003
*6
from a high-speed output special adapter
*5
.
*4. Y002 is not available in FX
3G PLC (14-point and 24-point type) and FX3S/FX3GC PLC.
*5. High-speed output special adapters can be connected only to the
FX3U PLC.
*6. To use Y002 and Y003 with a high-speed output special adapter, connect a second high-speed output
special adapter.
Operand type Description Data type
Specifies the output pulse frequency designation device number.
*1
BIN 16/32-bit
Specifies the pulse output device number.
Bit
Specifies the rotation direction signal output destination device number.
Pulse output destination Setting range
FX
3U PLC High-speed output special adapter -200,000 to -1, +1 to 200,000(Hz)
FX
3S/FX3G/FX3GC/
FX
3U/FX3UC PLC
Main unit (transistor output)
-100,000 to -1, +1 to 100,000(Hz)
*3
Operand
type
Bit device Word device Others
System user Digit designation System user
Special
unit
Index
Con-
stant
Real
num-
ber
Char-
acter
string
Pointer
XYMTCS D  .b KnX KnY KnM KnS T C D R
U\G
V Z Modify K H E ""P
    
4 5
   
1

2

3

32-bit
instruction
13 steps
DPLSV
Continuous
execution
type
Instruction
symbol
Execution condition
-
FNC 157
PLSV
PULSE V
D
16-bit
instruction
7 steps
PLSV
Continuous
execution
type
Instruction
symbol
Execution condition
-
S
D
1
D
2
S
D
1
D
2
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