Mitsubishi Electric MELSEC-Q Series User Manual page 398

Operation timing and processing time of fast HPR
The following shows details about the operation timing and time during fast HPR.
Positioning start signal
[Y10 to Y1F]
BUSY signal
[X10 to X1F]
Start complete signal
( Md.31 Status: b14 )
Md.26 Axis operation status
Positioning operation
Fig. 8.14 Operation timing and processing time of fast HPR
Normal timing time
[Pr.132] Communication
MR-J4-B-RJ010
communication mode
Communication mode
correspond to CiA402
Operating restrictions
(1) The fast HPR can only be executed after the HP is established by executing
(2) If the fraction pulse is cleared to zero using current value changing or fixed-
(3) When unlimited length feed is executed by speed control and the feed machine
(4) The HPR complete flag ([Md.31] Status: b4) is not turned ON.
(5) The axis operation status during fast HPR is "in position control".
t1
Standby
Position control
t2
mode setting
 The t1 timing time could be delayed by the operation state of other axes.
the Machine HPR.
If not, the error "HPR request ON" (error code: 207) will occur.
(HPR request flag ([Md.31] Status: b3) must be turned OFF).
feed control, execute the fast HPR and an error will occur by a cleared amount.
value overflows or underflows once, the fast HPR cannot be executed normally.
t3
Standby
Operation
t1
cycle
0.88 0.7 to 1.5
1.77 0.8 to 1.9
3.55 1.0 to 3.6
1.00 0.9 to 1.8
2.00 0.9 to 2.6
4.00 1.2 to 4.8
8 - 22
Chapter 8 HPR Control
Unit: [ms]
t2 t3
3.1 to 4.8 0 to 0.9
4.4 to 6.8 0 to 1.8
10.8 to 13.5 0 to 3.6
3.1 to 4.8 0 to 1.0
5.5 to 6.8 0 to 2.0
11.5 to 13.5 0 to 4.0