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Auto-Trim On/Off Activates the patented Auto-Trim function.
Motor-Trim -50 – +50
Sets the motor trim for straight-ahead operation in spite of dif-
ferences in motor characteristics. A value of 0 means there is no
steering correction.
System Resi-
stance
0 – 600 mΩ
Sets the actual system resistance (motor + brushes + cables +
plugs) used for load compensation and speed limit evaluation. It
is important to determine this value directly using the motor test
described below.
Motor Current
Rating
0 – 75 A Sets the value to which the motor current is reduced if the excess
motor temperature limit is exceeded.
Time at Max
Current
0 – 255 s
Sets the estimated time for which the motor can be operated under
maximum operating current before it overheats.
Single Brake
Drive
On/Off Allows only activating the M1 brake driver so that two 12 V wheel
locks can be connected in series.
Brake Cutback
Voltage
12 – 24 V Sets the value to which the brake coil voltage is reduced after 250
ms at battery voltage. This function saves energy and prevents
overheating.
EM Brake Delay 0 – 2 s
Determines the delay time after reaching a speed of zero, after
which the EM brake is deactivated.
Motor Swap 0 – 7 Swaps and / or inverts the left and right motor.
Motor Test Mode On/Off Sets the system to a current limit of 25 A and allows the motors to
be blocked so that the motor / system resistance can be measured
precisely and displayed in the 1311 monitor menu. The measured
value must be used for the System Resistance parameter described
above. After measuring, the Motor Test Mode parameter has to be
set back to Off.
The “Custom Battery” parameter allows any lead acid battery to be installed and the BDI algo-
rithm to be adapted accordingly. Actual use and the discharge proles affect the settings and
overall accuracy of the BDI algorithm. The output and type of battery charger also affect the
BDI algorithm; it must be adapted to the charger by means of tests.
Note that all voltages are specied in volt per cell. The actual battery voltage is equal to 12 times
these values.
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