996 HEIDENHAIN Technical Manual MANUALplus 620
6.17.13 Monitoring functions when using the CC 61xx and CC 424
The parameter object CfgServoMotor is not required for:
Virtual axes (MP_axisMode = Virtual)
Axes that are for display only (MP_axisMode = Display)
Analog axes (MP_axisHw = Analog)
The following monitoring functions are only available when you are using the
CC 61xx and CC 424. Use MP_motEncCheckOff to activate/deactivate these
functions:
Bits 4, 5: The KTY temperature sensor of the motors is monitored by the
MANUALplus 620 for excessive and insufficient temperatures. If the KTY is
not to be evaluated (e.g. because the temperature sensor is not doubly
isolated), this function must be deactivated.
Bit 7: The CC 61xx or CC 424 monitors the input frequency of the speed
encoders. If this leads to problems (e.g. unjustified responses), the
monitoring function can be deactivated. The following error messages can
appear:
• Speed encoder: 8860 Input frequency from speed encoder <axis>
• Position encoder: 8870 Input frequency from position encoder
<axis>
Bit 8: Position encoders are not used with linear or torque motors. If such
an axis is removed from the closed-loop control and later reintroduced, a
mechanical offset can occur. This offset is not fixed "in one blow," but
instead is adjusted by gradually raising the k
V
factor from 0 to the original
value.
Settings in the configuration editor MP number
Axes
ParameterSets
[Key name of the parameter set]
CfgServoMotor
motEncCheckOff – Bit4...8 401303
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