Mitsubishi Electric FX3U SERIES - Page 418

416
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
14 Handy Instruction – FNC 60 to FNC 69
14.9 FNC 68 – ROTC / Rotary Table Control
Explanation of function and operation
1. 16-bit operation (ROTC)
The table rotation is controlled by "m2", and so that a product can be efficiently put into or taken out of
the rotary table divided into "m1" (=10) sections as shown in the figure below.
1) Register (word device) specifying the calling condition
2) Register (bit device) specifying the calling condition
Works as a register for counting.
Set them in advance using a transfer instruction.
+ 1
Sets the port No. to be called.
+ 2
Sets the product No. to be called.
:
A phase signal
Construct an internal contact circuit in advance which is driven
by the input signal (X)
+ 1
B phase signal
+ 2
Zero point detection signal
+ 3
Forward rotation at high-speed
+ 4
Forward rotation at low-speed
+ 5
Stop
+ 6
Backward rotation at low-speed
+ 7
Backward rotation at high-speed
D 1 S D 1 D
Port No. 1
Port No. 0
Rotary table
X000(M0)
X001(M1)
Detection
switch
0
9
8
7
6
5
4
3
2
1
Command
FNC 68
ROTC
D200 K10 K2 M0
Calling
condition
register
(word device)
Number
of
divisions
Number
of low-
speed
sections
Calling
condition
register
(bit device)
S  D 
m1 m2
Product
Zero point
detection
Forward rotation
D 1 S
S
S
S
D 1 D
D
D
D
D
D
D
D
D