One-Speed Interrupt Constant Quantity Feed -Dvit Instruction; Instruction Format - Mitsubishi FX3G Series User Manual

FX /FX /FX PLC User's Manual - Positioning Control Edition
3G 3U 3UC
Built-in Positioning Functions
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 an FX
interruption signal input destination.
If an FX /FX
3U 3UC
The FX PLC does not support the interrupt positioning (DVIT) instruction.
3G
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
3UC
PLC Ver.2.20 or later is used, the interruption signal can be controlled with a user program.
→ For 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 32-bit operation, however, the setting range should be as shown in the following
table.
Pulse output destination
FX PLC
3U
FX /FX PLC
3U 3UC

9 One-speed Interrupt constant quantity feed -DVIT Instruction

PLC Ver.1.30 or later is used, this instruction can change the
32-bit
Execution condition
instruction
Continuous
17 steps
execution
type
•
D
2
Description
*2
High-speed output special adapter
Main unit (transistor output)
9.1 Instruction Format
Instruction
Execution condition
symbol
DDVIT Continuous
execution
- type
Data type
*1
BIN16/32-bit
Bit
Setting range
10 to 200,000(Hz)
10 to 100,000(Hz)
B - 121
A
B
Apx.