Mitsubishi Electric MELSEC FX Series - Page 343

7 Applied Instructions
7.7 Handy Instruction
341
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
1
Outline
2
Instruction List
3
Configuration of Instruction
4
How to Read Explanation of Instructions
5
Basic Instruction
6
Step Ladder Instructions
7
Applied Instructions
8
Interrupt Function and Pulse Catch Function
A
Relationships between devices and addresses
Cautions
1. Designation of high speed counter
DABSD command can designate a high speed counter in the device designated in .
In this case, as compared with the counter present value, the output pattern may have a response delay due
to scan cycle.
When using FX
3U, FX3UC PLCs, the response may be enhanced by using table high speed comparison
function by DHSZ command or by using DHSCT command.
2. When designating the digits of bit device in
1) Device No.
Designate a multiple of 16 (0, 16, 32, 64, ...).
2) Number of digits
- K4 only in the case of ABSD (16-bit operation)
- K8 only in the case of DABSD (32-bit operation)
3. Other cautions
• The number of output points of the object is determined by the value of n. (1 ≤ n ≤ 64)
• The output is not changed if the command input is turned OFF.
4. FXU PLC does not support 32-bit command at V2.30 or lower.
5. Object devices are limited.
S1: FX3U, FX3UC PLCs only are applicable.
However, index modifier (V, Z) is not applicable.
S2: FX
3U, FX3UC, FX3G PLCs only are applicable.
S3: FX
3U, FX3UC PLCs only are applicable.