One-Speed Interrupt Constant Quantity Feed -Dvit 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
9. One-speed Interrupt constant quantity feed -DVIT
Instruction
The Built-in positioning function uses the Interrupt Positioning (DVIT) instruction to perform one-speed
interrupt constant quantity feed. If the FX
interruption signal input destination.
If the FX /FX
3U 3UC
program.
9.1

Instruction Format

1. Instruction Format
FNC 151
D DVIT
DRIVE INTERRUPT
Command
input
FNC 151
DVIT
2. Data setting
Operand type
S
1
S
2
D
1
D
2
*1. Setting range : -32,768 to +32,767 (excluding 0) for 16-bit operation
*2. Setting range : 10 to 32,767 Hz for 16-bit operation
B - 108
3UC
PLC of Ver.2.00 or later is used, the interruption signal can be controlled using the user
→ For the items to be observed in programming, refer to Section 4.7.
16-bit
Instruction
instruction
symbol
DVIT
9 steps
-
• •
S S D
1 2 1
Specifies the number of pulses (relative address) to be output after interruption.
Specifies the output pulse frequency.
Specifies the pulse output number.
Specifies the rotation direction signal output destination device number.
: -999,999 to +999,999 (excluding 0) for 32-bit operation
For the 32-bit operation, however, the setting range should be as shown in the
following table.
Pulse output destination
FX PLC
3U
FX PLC
3UC

9 One-speed Interrupt constant quantity feed -DVIT Instruction

PLC of Ver.1.20 or later is used, this instruction can change the
Execution condition
instruction
Continuous
execution
type
• •
D
2
Description
*2
High-speed output special adapter
Main unit
9.1 Instruction Format
32-bit
Instruction
Execution condition
symbol
DDVIT
17 steps
-
*1
Setting range
10 to 200,000(Hz)
10 to 100,000(Hz)
Continuous
execution
type
Data type
BIN16/32-bit
bit