6-21
1
Before Using the Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When in T
rouble
7
Supplement
Allowable motor operating range setting function(Err34.0)
1) Outline
The motor is set for the range of the position command input by Pr5.14 “Allowable mo-
tor operating range.”
When the motor exceeds the allowable operating range of motor, the motor is able to
be stopped by issuing an alarm by the allowable motor operating range setting protec-
tion.
2) Applicable range
This function works under the following conditions.
Conditions under which the software limit works
Control mode
• Position control, Full-closed control
Others
• To be in the servo ON state.
• Elements other than control parameters, such as deviation counter
clear command input prohibition, torque limit, etc. are properly set and
the motor is free of obstacle to normal motor rotation.
3) Cautions
• Take care that this function is not the protection against the abnormal position com
-
mand.
• When the allowable motor operating range setting protection is activated, the motor
is decelerated and stopped in conformity to Pr5.10 “Sequence at alarm.”
Because depending on a load, the load may come in contact with the machine edge
and break during deceleration, the range of setting of Pr5.14 shall be the setting
with the deceleration action taken into account.
• Err34.0 “Allowable motor operating range abnormal protection” detection process
-
ing will be invalid when the allowable motor operating range ([Encoder pulse or [Ex-
ternal pulse] units] exceeds ±2
31
. *1
• Position command input range and actual motor position for judgment managed
inside the amplifier will be cleared and Err34.0 “Allowable motor operating range
abnormal protection” detection processing will become invalid, in case any of the
following conditions are satisfied:
- Servo OFF state
- Speed control state or torque control state
- During motor test run conducted from front panel
- During frequency response characteristics are being measured by Set-up support
software (PANATERM)
- Deviation clear state (When deviation counter clear (CL) is entered or when the
deviation is cleared in various sequence actions)
- During test run by Set-up support software (PANATERM) or start of Z-phase
search operation
- Pr5.14 = 0
- When the value of Pr5.14, under full-close control, satisfies the following formula
(in case the value of Pr5.14 converted into [External scale pulse] units exceed
±2
31
) *1
Pr5.14 > ((231 -1) * Pr3.24 * 10) / (encoder resolution * Pr3.25)
*1 However in such cases, by enabling the following setting, Err34.0 will occur com
pulsory regardless of actual motor position for judgment.
Pr6.97 “Function expansion setting 3”
bit2 Expansion of Allowable motor operating range abnormal protection
0: Invalid, 1: Valid
1. When in Trouble
Protective function (Detail of error code)
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