maxon motor
14
maxon motor control
1-Q-EC Amplifier DEC Module 50/5
Operating Instructions
April 2015 Edition / document number 1094861_PDF_E - 05 / subject to change
6 Protective functions
6.1 Undervoltage protection
The power stage will be disabled in case the supply vV
CC
drops below
6 VDC.
To reset the fault condition the amplifier must be disabled and the supply
vV
CC
must be higher than 6 VDC.
6.2 Overvoltage protection
The power stage will be disabled in case the supply vV
CC
rises above
56 VDC.
To reset the fault condition the amplifier must be disabled and the supply
vV
CC
must be lower than 54 VDC.
6.3 Thermal overload protection
The power stage will be disabled in case the power stage temperature ex-
ceeds 100°C.
To reset the fault condition the amplifier must be disabled and the power
stage temperature must fall below 80°C.
6.4 Invalid Hall sensor signals
The power stage will be disabled in case invalid conditions at the Hall sensor
inputs occur.
To reset the fault condition the amplifier must be disabled and the Hall sen-
sors must be wired correctly.
6.5 Blockage protection
If the motor shaft is blocked, the current limit is set to the predetermined va-
lue at the«Set current limit» input.
Note
Ö
No fault message occurs at the «Ready» output if blockage protection is
active.
6.6 Current limitation
The motor current will be limited to 0.5…10 A depending on the value applied
to the input «Set current limit» by means of a cycle-to-cycle limitation
(see
chapter
«5.1.5 «Set current limit»»
).
Note
Ö
No fault message occurs at the «Ready» output if current limitation is
active.
