Mitsubishi Electric MELSEC Q Series Programming Manual page 620

APPENDICES
No.
SD552
SD553
SD804
(Note-1)
Servo parameter
write/read request
SD805
SD806
SD808
SD809
b) The parameter changed by the servo parameter change function
can be saved by writing to the Motion CPU. The changed parameter
becomes valid by turning ON the power supply of the IAI electric
actuator controller again.
c) "Servo parameter write/read" device
Store the value in the following special registers to change or display
the servo parameter.
Name Meaning
Servo parameter
read value
Servo parameter
write/read request
flag
Axis No.
Servo parameter
No.
Servo parameter
setting value
(2 word)
(g) Optional data monitor setting
The following table shows data types that can be set.
Set the data so that the total number of communication points per axis is no
more than 6 points.
Data type
Position F/B
Cumulative current value
(Note-1): The position command is the command unit set in the fixed parameter.
(h) Gain changing command, PI-PID switching command, control loop changing
command
Gain changing command, PI-PID switching command, and control loop
changing command becomes invalid.
• The read value (low 1 word) of servo parameter
which executed "4: 2 word read request" in SD804 is
stored.
• The read value (high 1 word) of servo parameter
which executed "4: 2 word read request" in SD804 is
stored.
• The "write/read request" is executed after setting of
the axis No. and servo parameter No.
3: 2 word write request
4: 2 word read request
• "0" is automatically set by Motion CPU after
completion of servo parameter write/read request.
("-1" is stored by Motion CPU at write/read error.)
• The axis No. to write/read servo parameter is stored.
Q173DSCPU: 1 to 32
Q172DSCPU: 1 to 16
• The servo parameter No. to be written/read is stored
in hexadecimal.
H
Parameter No. ID
(Note): Refer to IAI electric actuator controller
instruction manual for details.
• The setting value of servo parameter to be written is
stored when "3: 2 word write request" is set in
SD804.
Unit
[pulse]
[Position
command]
APP - 129
Details
(Note)
(Note-1): Do not execute the automatic refresh.
Number of words
2
2
(Note-1)
Set by
System
(At read
request)
User/
System
User
Number of
communication
data points
0
0