26 Configuration
Motors
Electric motors draw additional current during start-up. Typically the start-
up current is 3 to 5 times the steady state current and it dies out in less
than a second.
This start-up current is largely ignored by the PDM due to the Output Load
filtering.
The current in a motor increases with increasing load on the motor. A
motor draws maximum current when it is stalled. The Maximum Current
setting should take this into account.
A motor may draw more current as it or the device that it is connected to
ages; this should be allowed for when setting the Maximum Current.
Note: motor
speed control is currently not supported.
CAN Keypads
Up to four MoTeC CAN keypads can be configured to work with the PDM. A
keypad must be enabled and configured under the Global Settings before the
individual buttons can be configured.
To use a keypad button, a channel name must be specified. This channel will
be true while the keypad button is pressed.
Each of the three LEDs on a keypad button can be controlled with a PDM
channel. The LED will be turned on while the channel is true.
A maximum of 120 keypad LEDs (across all keypads) can be configured.
Keypad button numbering is from left to right, from top to bottom.
E.g.
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
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