Mitsubishi Electric RD77MS2 User Manual page 480

Item
[Md.124] Control mode switching status
[Md.125] Servo status3
[Md.500] Servo status7
[Md.502] Driver operation alarm number
[Md.503] Pre-reading data analysis status
[Md.20] Current feed value
The currently commanded address is stored. (Different from the actual motor position during operation)
The current position address is stored.
If "degree" is selected as the unit, the addresses will have a ring structure for values between 0 and 359.99999.
• The home position address is stored when the machine home position return is completed.
• When the current value is changed with the current value changing function, the changed value is stored.
Refresh cycle: Operation cycle
■Reading the monitor value
• Monitoring is carried out with a hexadecimal.
Monitor value
E
A
B
(High-order buffer memory) (Low-order buffer memory)
A B C D
Decimal integer
value
Actual value
[Md.20] Current feed value
[Md.21] Machine feed value
[Md.22] Feedrate
• Buffer memory address
Refer to the following for the buffer memory address in this area.
Page 390 Monitor data
12 DATA USED FOR POSITIONING CONTROL
478
12.7 Monitor Data
Low-order buffer memory
b15
F G H
High-order buffer memory
b31
C
D
Sorting
E F G H
Converted from
hexadecimal to decimal
R
Unit conversion
m
R × 10
b12 b8 b4
E F H
G
b28 b24 b20
A B C D
Unit conversion table ([Md.20][Md.21])
m
Unit
-1 μm
inch
-5
degree
-5
0 pulse
Unit conversion table ([Md.22])
m
Unit
mm/min
-2
-3
inch/min
*
-3
degree/min
0
pulse/s
*: When "[Pr.83] Speed control
10 × multiplier setting for
degree axis" is valid: "-2"
Default value
0
0000H
0000H
0000H
0
b0
b16