Melsec-q, 15 troubleshooting – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 639

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MELSEC-Q

15 TROUBLESHOOTING

Related buffer memory

address

Axis 1 Axis 2 Axis 3 Axis 4

Set range

(Setting with sequence program)

Remedy

1522
1523

1622
1623

1722
1723

1822
1823

<Manual pulse generator 1 pulse

input magnification>

1 to 100

Set the manual pulse generator 1 pulse input
magnification to within the setting range.

1516

1616

1716

1816

<Speed change request>

1: Speed change is requested

Do not carry out the speed change during deceleration
with a stop command, during stoppage, or during
automatic deceleration with position control.

New speed value

1514
1515

1614
1615

1714
1715

1814
1815

0 to 1000000 [pulse/s]

0 to 2000000000 [mm/min or another]

Speed limit value

10
11

160
161

310
311

460
461

QD75P

:

1 to 200000 [pulse/s]
1 to 2000000000
[mm/min or another]

QD75D

:

1 to 1000000 [pulse/s]
1 to 2000000000
[mm/min or another]

Set the new speed value to a range of 0 to "speed limit
value".

1504

1604

1704

1804

<M code OFF request>

1: M code ON signal is turned OFF

Normalize the ON and OFF timings of the "M code
OFF request". (Refer to Section 12.7.3)

Refer to Section 5.3

"List of positioning data"

<Operation pattern>

00: Positioning complete

01: Continuous positioning control

11: Continuous path control

Set the operation termination to the 50th point.
(Refer to Chapter 10)

Make 1 nest construction for FOR to NEXT.
(Refer to Section 10.3.8)

Do not turn ON the speed-position switching signal
during acceleration.
(Refer to Section 9.2.16)

Give a request at the position where there is an
enough remaining distance.

1546

1646

1746

1846

<Step start information>

1: Step is continued

2: Re-start is carried out

Do not set a "1" to the step start information when the
step is not in standby state. (Refer to Section 12.7.1)

62

212

362

512

<External command function

selection>

0, 1, 2, 3

Set the detailed parameter 2 "External command
function selection" to within the setting range.

Refer to Section 5.3

"List of positioning data"

Set a decelerating address or a movement amount to
the positioning data.

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