Mitsubishi Electric AJ65BT-D75P2-S3 User Manual page 497

12 CONTROL AUXILIARY FUNCTIONS
Setting item
External start
Pr.43
function selection
New speed value
External start valid
* Refer to section "3.4 Specifications of input/output signals for master module", "3.5 Remote registers" and
"5.2 List of parameters" for details on the setting details.
Positioning start signal
Remote station READY
signal
D75P2 READY signal
Start complete signal
BUSY signal
Positioning complete signal
Error detection signal
External start signal
Fig. 12.26 Time chart for changing the speed using an external start signal
(4) Setting the speed change function using an external start signal
The speed can also be changed using an "external start signal".
The following shows the data settings for changing the control speed of axis 1
using an "external start signal". (In this example, the control speed is changed to
"20.00mm/min".)
(a) Set the following data to change the speed using an external start signal.
(Use the start time chart shown in section (2) below as a reference, and set
using the sequence program shown in section (3).)
Setting
value
1 Set "1: External speed change request".
2000 Set the new speed.
ON Set "ON: Validate the external start".
(b) The following shows the speed change time chart.
V
[RY(n+1)0]
[RX(n+7)B]
[RXn0]
[RXn1]
[RXn4]
[RXn7]
[RXnA]
Pr.43 External start function selection
In speed change processing flag
[RX(n+1)1, RX(n+4)1]
New speed value
[RWwm+4 to 5, RWwm+12 to 13]
External start valid
[RY(n+2)B, RY(n+4)B]
Setting details
1
2000
12 - 39
MELSEC-A
Remote input/output,
remote register, buffer
memory address
Axis 1 Axis 2
62 212
RWwm+4 RWwm+12
RWwm+5 RWwm+13
RY(n+2)B RY(n+4)B
Dwell time
t