Mitsubishi Electric Melsec-F FX3GC Series User Manual page 187

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