15 - 21
MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory
address
Axis 1 Axis 2 Axis 3 Axis 4
Set range
(Setting with sequence program) Remedy
Normalize the block start data.
Refer to Section 5.4
"Block start data"
<Special start instruction>
00H to 06H
Correct the instruction code of the special start data.
(Refer to Section 5.4 Da.13 )
Refer to Section 5.3
"List of positioning data" Correct the control system.
(Refer to Section 5.3 Da.2 )
1504 1604 1704 1804 <M code OFF request>
1: M code ON signal is turned OFF After turning OFF the M code ON signal, start the
system. (Refer to Section 12.7.3)
———— Check the sequence program which turns ON/OFF the
PLC READY signal (Y0), and turn ON the PLC READY
signal. Then start the system.
———— Check the QD75 READY ON signal, and then start the
system. (Refer to Section 3.3.2)
1500 1600 1700 1800
<Positioning start No.>
1 to 600,
7000 to 7004,
9001 to 9004
Normalize the positioning start No.
(Refer to Section 12.7.8)
<Maximum radius>
536870912 Correct the positioning data.
(Refer to Section 9.2.10, 9.2.11)
Refer to Section 5.3
"List of positioning data"
<LOOP to LEND>
1 to 65535 Set 1 to 65535 in LOOP. (Refer to Section 9.2.22)