Mitsubishi Electric QD77MS User Manual page 918

Classification Error
Error name
of errors code
Outside unit
903
magnification range
Outside bias speed
906
range
Outside electronic gear
907
setting range
Outside speed limit
910
value range
Outside acceleration
Parameter
911
time 0 range
setting range
errors
Outside deceleration
912
time 0 range
Backlash
920 compensation amount
error
Software stroke limit
921
upper limit
Software stroke limit
922
lower limit
Error
• The set value of the basic parameter 1
"Unit magnification" is outside the setting
range.
• "Movement amount per rotation (AL)" ×
"Unit magnification (AM)" exceeds
2147483648.
• The set value of the basic parameter 1
"Bias speed at start" is outside the setting
range.
• The bias speed exceeds the speed limit.
The set value of the electronic gear is
outside the setting range.
• The set value of the basic parameter 2
"Speed limit value" is outside the setting
range.
• The speed limit value is smaller than the
OPR speed.
The set value of the basic parameter 2
"Acceleration time 0" is outside the setting
range.
The set value of the basic parameter 2
"Deceleration time 0" is outside the setting
range.
The calculation result of the following
equation is smaller than 0 or larger than
4194304.
×
Pr.11 Pr.2
0 ≤ ≤ 4194303
×
Pr.3 Pr.4
• In the unit of "degree", the set value of the
detailed parameter 1 "Software stroke
limit upper 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.
• In the unit of "degree", the set value 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.
16 - 38
Chapter 16 Troubleshooting
Operation status at error occurrence
The READY signal [X0] is not turned ON.
The READY signal [X0] is not turned ON.
When the PLC READY signal [Y0] is turned
from OFF to ON
: READY signal [X0] is not turned
ON.
At start : The system does not operate.
The READY signal [X0] is not turned ON.