Mitsubishi Electric MELSEC-LD77MS2 User Manual page 770

[2] Precautions during control
(1) Before teaching, a "machine OPR" must be carried out to establish the OP.
(2) Teaching cannot be carried out for positions to which movement cannot be
(3) Writing to the flash ROM can be executed up to 100,000 times.
[3] Data used in teaching
The following control data is used in teaching.
Setting item
Flash ROM write
Cd.1
request
Teaching data
Cd.38
selection
Teaching
positioning data
Cd.39
No.
: Refer to Section 5.7 "List of control data" for details on the setting details.
(When a current value changing, etc., is carried out, "
" may not show absolute addresses having the OP as a reference.)
value
executed by manual control (positions to which the workpiece cannot
physically move). (During center point designation circular interpolation
control, etc., teaching of "
center point of the arc is not within the moveable range of the workpiece.)
If writing to the flash ROM exceeds 100,000 times, the writing may become
impossible (assured value is up to 100,000 times).
If the error "Flash ROM write number error" (error code: 805) occurs when
writing to the flash ROM has been completed, check whether or not the
program is created so as to write continuously to the flash ROM.
Setting
value
Write the set details to the flash ROM (backup
1
the changed data).
Sets to which "current feed value" is written.
0: Written to "
movement amount
1: Written to "
Designates the data to be taught.
(Teaching is carried out when the setting value
is 1 to 600.)
When teaching has been completed, this data
is zero cleared.
13 - 80
Chapter 13 Control Sub Functions
" cannot be carried out if the
Arc address
Da.7
Setting details
Positioning address/
Da.6
".
".
Arc address
Da.7
Current feed
Md.20
Buffer memory address
LD77MS2
LD77MS16
LD77MS4
1900 5900
1548+100n 4348+100n
1549+100n 4349+100n
n: Axis No.-1