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

Page 630

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MELSEC-Q

15 TROUBLESHOOTING

Classification

of errors

Error
code

Error name

Error

Operation status at error

occurrence

922

Software stroke limit
lower limit

• In the unit of degree, the set range of

the detailed parameter 1 "Software
stroke limit lower limit value" is outside
the setting range.

• In a unit other than degree, the

software stroke limit upper limit value
is smaller than the software stroke
limit lower limit value.

923

Software stroke limit
selection

The set range of the detailed parameter
1 "Software stroke limit selection" is
outside the setting range.

924

Software stroke limit
valid/invalid setting

The set range of the detailed parameter
1 "Software stroke limit valid/invalid
setting" is outside the setting range.

925

Command
in-position width

The set range of the detailed parameter
1 "Command in-position width" is
outside the setting range.

926

Illegal torque limit
setting value

The set range of the detailed parameter
1 "Torque limit setting value" is outside
the setting range.

927

M code ON timing
error

The set range of the detailed parameter 1
"M code ON signal output timing" is
outside the setting range.

928

Speed changeover
mode error

The set range of the detailed parameter
1 "Speed changeover mode" is outside
the setting range.

929

Interpolation speed
designation method
error

The set range of the detailed parameter
1 "Interpolation speed designation
method" is outside the setting range.

930

Current value update
request error

The set range of the detailed parameter
1 "Current feed value during speed
control" is outside the setting range.

932

Manual pulse
generator input
mode error

The set range of the detailed parameter
1 "Manual pulse generator input
selection" is outside the setting range.

935

Speed-position
function selection
error

The detailed parameter 1 "speed-
position function selection" is preset to
2 and the following three conditions are
not satisfied:
1) Unit is "degree".
2) Software stroke limits are invalid.
3) Update current feed value.

The QD75 READY signal (X0) is
not turned ON.

950

Acceleration time 1
setting error

The set range of the detailed parameter
2 "Acceleration time 1" is outside the
setting range.

951

Acceleration time 2
setting error

The set range of the detailed parameter
2 "Acceleration time 2" is outside the
setting range.

952

Acceleration time 3
setting error

The set range of the detailed parameter
2 "Acceleration time 3" is outside the
setting range.

Parameter

953

Deceleration time 1
setting error

The set range of the detailed parameter
2 "Deceleration time 1" is outside the
setting range.

At start: The system will not

operate.

During operation:

The system stops with the
setting (deceleration
stop/sudden stop) of the
detailed parameter 2
sudden stop selection
(stop group 3).

(Note that the deceleration stop
only occurs during the manual
pulse generator operation.)

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