Variable Speed Operation (Variable Speed Pulse Output)-Plsv Instruction; Instruction Format - Mitsubishi MELSEC-F FX3U Series User Manual

FX /FX Series PLC User's Manual - Positioning Control Edition
3U 3UC
Built-in Positioning Function
10. Variable Speed Operation
(Variable Speed Pulse Output)-PLSV Instruction
The built-in positioning function uses the variable speed pulse output (PLSV) instruction to perform variable
speed operation. If the FX
using the acceleration/deceleration speed.
10.1

Instruction Format

Outline:
This instruction is the variable speed pulse output instruction equipped with the rotation direction designation
function.
1. Instruction Format
FNC 157
D PLSV
PULSE V
2. Data setting
Operand type
S
D
1
D
2
*1. Setting range : -32,768 Hz to -1 Hz and +1 Hz to 32,767 Hz for 16-bit operation. For the
3. Devices
Bit device
Operand
System user
type
X Y M T C S D .b KnX KnY KnM KnS T C D R
S
D
1
1
D
2
2
1 : Specify Y000, Y001, or Y002 transistor output of the main unit, or specify Y000, Y001, Y002
*2
Y003 of the high-speed output special adapter
*1. High-speed input/output special adapter cannot be connected to FX
*2. To use Y002 and Y003 of the high-speed output special adapter, connect the second high-speed
output special adapter.
FX PLC of Ver.2.00 or later is used, this instruction can change the speed
3U/ 3UC
→ For the items to be observed in programming, refer to Section 4.7.
16-bit
Instruction
instruction
symbol
PLSV
9 steps
-
Specifies the output pulse frequency designation device number.
Specifies the pulse output device number.
Specifies the rotation direction signal output destination device number.
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
3U
FX PLC Main unit
3UC
Digit designation
3

10 Variable Speed Operation (Variable Speed Pulse Output)-PLSV Instruction

32-bit
Execution condition
instruction
Continuous
17 steps
execution
type
Description
Word device
System Special
user unit
V Z Modfy
U \G
*1
.
10.1 Instruction Format
Instruction
Execution condition
symbol
Continuous
DPLSV
execution
-
type
Data type
*1
BIN 16/32-bit
bit
Setting range
-200,000 to -1 to +1 to 200,000(Hz)
-100,000 to -1 to +1 to 100,000(Hz)
Others
Real Char-
Con-
Index num- acter
stantr
ber string
K H E " "
*2
-32MT-LT.
3UC
B - 119
A
B
Apx.
Pointer
P
, or